SK TELECOM CO., LTD.
Table of Contents

 
 
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
Form 6-K
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO
RULE 13a-16 OR 15d-16 OF THE
SECURITIES EXCHANGE ACT OF 1934
FOR THE MONTH OF APRIL 2007
 
SK Telecom Co., Ltd.
(Translation of registrant’s name into English)
11, Euljiro2-ga, Jung-gu
Seoul 100-999, Korea
(Address of principal executive offices)
 
     (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)
Form 20-F þ Form 40-F o
     Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o
     Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.
     Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o
     Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submission to furnish a report or other document that the registration foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.
     Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes o       No þ
     If “Yes” is marked, indicate below the file number assigned to the Registrant in connection with Rule 12g3-2(b): 82-
 
 

 


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ANNUAL REPORT
(From January 1, 2006 to December 31, 2006)
THIS IS A SUMMARY OF THE ANNUAL REPORT ORIGINALLY PREPARED IN KOREAN AND IS IN SUCH FORM AS REQUIRED BY THE KOREAN FINANCIAL SUPERVISORY COMMISSION.
IN THE TRANSLATION PROCESS, SOME PARTS OF THE REPORT WERE REFORMATTED, REARRANGED OR SUMMARIZED FOR THE CONVENIENCE OF READERS.
UNLESS EXPRESSLY STATED OTHERWISE, ALL INFORMATION CONTAINED HEREIN IS PRESENTED ON A NON-CONSOLIDATED BASIS IN ACCORDANCE WITH ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN KOREA, OR KOREAN GAAP, WHICH DIFFER IN CERTAIN RESPECTS FROM GENERALLY ACCEPTED ACCOUNTING PRINCIPLES IN CERTAIN OTHER COUNTRIES, INCLUDING THE UNITED STATES. WE HAVE MADE NO ATTEMPT TO IDENTIFY OR QUANTIFY THE IMPACT OF THESE DIFFERENCES.

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Contents
 
Attachment: Korean GAAP Non-consolidated Financial Statements

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I. OVERVIEW
1. Corporate Purpose of SK Telecom Co., Ltd. (the “Company”)
 
Business Objectives
1. Information and communication business
 
2. Handset sales and lease business
 
3. New media business
 
4. Advertisement business
 
5. Communication sales business
 
6. Personal property and real property lease business
 
7. Research and technology development related to Clause 1 through 4
 
8. Overseas business and trading business related to Clause 1 through 4
 
9. Manufacturing and distribution business related to Clause 1 through 4
 
10. Tourism
 
11. Other businesses related to the above
2. Company History
A. Changes Since Incorporation
(1) Date of Incorporation
 - March 29, 1984 (date of shareholders’ meeting for the incorporation): Incorporated as Korea Mobile
 Communications Service Co., Ltd.
 (Authorized capital: Won 500 million / Paid-in capital: Won 250 million)
(2) Location of Headquarters
 - 22 Dohwa-dong, Mapo-gu, Seoul (July 11, 1988)
 - 16-49 Hangang-ro 3-ga, Yongsan-gu, Seoul (November 19, 1991)
 - 267 Namdaemun-ro 5-ga, Jung-gu, Seoul (June 14, 1995)
 - 99 Seorin-dong, Jongro-gu, Seoul (December 20, 1999)
  - 11, Euljiro 2-ga, Jung-gu, Seoul (December 13, 2004)
B. Mergers
(1) Target: Shinsegi Communication Co., Ltd.
 - Date: January 13, 2002
 - Registration: January 16, 2002
(2) Target: SK IMT Co., Ltd.
 - Date: May 1, 2003
 - Registration: May 7, 2003
C. Significant Recent Business Events
 (1) Provision of Subsidies to Long-term Subscribers
Pursuant to the Telecommunications Business Act, as amended, telecommunications service providers may provide a one-time subsidy to subscribers who have contracts with terms of over 18 consecutive months within 2 years, beginning March 27, 2006. The Company has stated in its standard subscription contract the Company’s obligation to notify the subscribers at least 30 days prior to the cancellation of such subsidy provision.

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(2) Acquisition of China Unicom Convertible Bonds
On July 5, 2006, the Company purchased zero coupon convertible bonds of China Unicom Ltd. (principal amount US$1,000,000,000) at the purchase price of Won 995,119 million, with the objective of fostering business cooperation that will build a foundation for the Company’s entry into the Chinese market. The conversion rights of the bonds are exercisable beginning on the 1 year anniversary of the issuance up to 7 days prior to the maturity date. The number of common shares of China Unicom which the Company would acquire pursuant to conversion would be 899,745,075 shares, which would represent, post-conversion, 6.67% of the outstanding common shares of China Unicom.
(3) Cancellation of Treasury Stock
Pursuant to the resolutions of the Company’s board of directors dated July 28, 2006 and August 31, 2006, the Company acquired 491,000 shares of the Company’s common stock (at a purchase price of Won 92,518,373,000) between August 1 and August 14, 2006 and 592,000 shares of the Company’s common stock (at a purchase price of Won 116,559,060,000) between September 4 and September 27, 2006, respectively, and cancelled such shares of treasury stock as of August 17 and September 29, 2006, respectively.
3. Information Regarding Shares
A. Total number of shares
(As of December 31, 2006)   (Unit: shares)
                                 
    Share type        
Classification   Common shares         Total       Remarks  
I. Total number of issuable shares
    220,000,000             220,000,000        
II. Total number of shares issued to date
    89,278,946             89,278,946        
III. Total number of shares retired to date
    8,085,235             8,085,235        
1. Capital reduction
                       
2. Share cancellation
    8,085,235             8,085,235        
3. Redeemed shares
                       
4. Others
                       
IV. Total number of shares (II-III)
    81,193,711             81,193,711        
V. Number of treasury shares
    8,526,252             8,526,252        
VI. Number of shares outstanding (IV-V)
    72,667,459             72,667,459        

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B. Capital Stock and Price per Share
     
(As of December 31, 2006)   (Unit: Won, shares)
                                                         
            Capital (total face value)     Price per share  
            Capital amount             Total amount             Capital/     Capital/  
                    Total number of             Par value              
Classification   Type     in financial             of distributed             Total number of     Number of distributed  
                    issued shares             per share              
            statements             shares             issued shares     shares  
                    (IV of A×b)             (b)              
            (a)           (VI of A×b )             (a / IV of A.)     (a / VI of A.)  
Registered
  Common shares   44,639,473,000       40,596,855,500       36,333,729,500       500       549.8       614.3  
Total
            44,639,473,000       40,596,855,500       36,333,729,500       500       549.8       614.3  
 
C.   Acquisition and Disposition of Treasury Shares
 
(1)   Status of Acquisition and Disposition of Treasury Shares
                                                 
Acquisition method       Amount at the             Retirement     Amount at the end of  
    Type of share     beginning of period     Acquisition (+)     Disposition (-)(1)     (-)     period  
Direct acquisition pursuant to Article 189-2
  Common share     4,697,735       1,083,000       136,163       1,083,000       4,561,572  
(1) of the relevant Act
  Preferred share                              
Direct acquisition based
  Common share     77,970                         77,970  
on causes other than
                                               
those stipulated in Article
                                               
189-2 (1) of the relevant Act
  Preferred share                              
 
  Common share     4,775,705       1,083,000       136,163       1,083,000       4,639,542  
Sub-total
                                               
 
  Preferred share                              
Indirect acquisition
  Common share     3,886,710                         3,886,710  
through trust and other
  Preferred share                              
agreements
                                               
 
  Common share     8,662,415       1,083,000       136,163       1,083,000       8,526,252  
Total
                                               
 
  Preferred share                              
 
Notes:    
 
(1)   Dispositions of 99,361 common shares in the second quarter of 2006 and 36,802 common shares in the fourth quarter of 2006 were made due to the conversion of the Company’s convertible bonds.
* Of the 4,639,542 shares of treasury stocks directly acquired based on causes other than those provided in Article 189-2 (1) of the relevant Act, 1,649,014 shares were deposited with the Korea Securities Depository as of December 31, 2006 for any exchange of the Company’s overseas exchangeable bonds.

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D. Employee Stock Ownership Program
(1) Transactions with the Employee Stock Ownership Program
 a) On August 23, 1999, the Company lent Won 118.6 billion of purchase funds for employee stock ownership to the Employee Stock Ownership Program, and the Employee Stock Ownership Program re-lent the amount to the Company’s employees in accordance with its internal allotment standards.
    Terms of the loan: 8-year installment repayment plan following a three-year grace period
 
    The loan is deducted from wages for each individual to repay the Employee Stock Ownership Program, and is subsequently repaid to the company.
b) Repayment amount for the year ended December 31, 2006: Won 7,056,652
      Details of the loan repayment
(As of December 31, 2006)   (Unit: in thousand Won)
                 
Classification   Amount     Remarks  
Initial loan amount
    118,577,755     Lent on August 23, 1999 to 3,540 persons
Accumulated repayment amount
    111,048,200     Includes Won 7.06 billion repaid during 2006
Balance
    7,529,555     Expected full repayment by July 2010
(2) Voting Rights of the Employee Stock Ownership Program
During a designated period, to be 7 days or longer, each individual member of the Program may exercise his voting rights by expressing his intention on the shareholders’ meeting agenda through a written power of attorney to a designated proxy.
(3) Shareholdings of the Employee Stock Ownership Program
    (Unit: shares)
                         
Account
    Balance at the beginning  
classification
  Types of share   of period Balance at the end of period  
 
E.S.O.P. account
                 
Member account
  Common share     297,246       197,240  
* As the relevant law requires an immediate transfer of the shares directly purchased by the employees to the account of the individual purchasers, the Company transfers and holds the employees’ stocks in separate individual accounts within the program once the number of shares for each individual member is determined.

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4. Status of Voting Rights
(As of December 31, 2006)   (Unit: shares)
                         
                       
Classification         Number of
shares
  Remarks  
                       
 
  Common share     81,193,711          
Total outstanding shares (A)
                     
 
  Preferred share              
Number of shares without voting
  Common share     8,526,252          
right (B)
                  Treasury shares
  Preferred share              
Shares with restricted voting
                       
right under the Stock
                       
Exchange Act and other laws
  Common share            
(C)
                       
Shares with reestablished
                       
voting right (D)
                 
The number of shares with
  Common share     72,667,459          
exercisable voting right
                     
 
  Preferred share              
(E = A — B — C + D)
                       
5. Dividends and Others
    (Unit: in million Won except per share value)
                                 
            Year ended December 31,  
Classification           2006     2005     2004  
Par value per share     500       500       500  
Current net income     1,446,598       1,871,380       1,494,852  
Net income per share     19,734       25,421       20,307  
Income available for distribution as dividend     1,608,891       1,930,626       1,377,007  
Total cash dividend     582,386       662,529       758,227  
Total stock dividend                  
Percentage of cash dividend to available income (%)     40.3       35.4       50.7  
 
  Common share     3.6       4.9       5.2  
Cash dividend yield ratio(%)
  Preferred share                  
 
  Common share                  
Stock dividend yield ratio (%)
  Preferred share                  
 
  Common share     8,000       9,000       10,300  
Cash dividend per share
  Preferred share                  
Stock dividend per share
  Common share                  
 
  Preferred share                  

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* The total amount of cash dividend for the year ended December 31, 2006 includes the interim dividend amount of Won 73,714 million, and the cash dividend amount per share of Won 8,000 for the same period includes the interim dividend amount of Won 1,000 per share.
* The total amount of cash dividend for the year ended December 31, 2005 includes the interim dividend amount of Won 73,614 million, and the cash dividend amount per share of Won 9,000 for the same period includes the interim dividend amount of Won 1,000 per share.
* The cash dividend per share of Won 10,300 for the year ended December 31, 2004 includes the regular dividend of Won 5,100 (including the interim dividend amount of Won 1,000) and a special dividend of Won 5,200.
II. BUSINESS
1. Business Summary
A. Industry Status
(1) Characteristics of the Industry
     As of December 31, 2006, the number of domestic mobile phone subscribers reached 40.2 million and with a 83.2% penetration rate, and the Korean mobile communication market can be considered to have reached its maturation stage. However, considering the number of European countries with penetration rates exceeding 90%, additional future growth of the domestic market may be possible.
     The Korean mobile communications market continues to improve with the help of advances in network-related technology evidenced by the world’s first commercialization of CDMA2000 1x, CDMA 1x EV-DO, and the development of highly advanced handsets that enables the provision of convergence services for multimedia contents, mobile commerce, telematics, satellite DMB, digital home services and other related contents.
(2) Industry Growth
    (Unit: 1,000 persons)
                                                 
Classification     End of 2006     End of 2005     End of 2004     End of 2003     End of 2002  
Penetration rate (%)
    83.2       79.4       75.9       70.1       67.9  
 
  SK Telecom     20,271       19,530       18,783       18,313       17,220  
Number of
  PCS     19,926       18,812       17,803       15,279       15,123  
subscribers
  Total     40,197       38,342       36,586       33,592       32,342  
(Data: Ministry of Information and Communication website)

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(3) Market Characteristics
     The Korean mobile communication market includes the entire population of Korea with mobile communication service needs, and almost every Korean is considered a potential user. With the market penetration rate reaching as high as 83.2% (as of the end of December 2006), the customer base is continuing to expand to include elementary school and pre-school children. Although demand to date has primarily been in the domestic market, as the business territory expands to overseas market, the size of overseas sales is expected to grow in the near future. Seasonal and economic fluctuations have much less impact on the Korean mobile communication market compared to other industries.
B. Company Status
(1) Market Share
* Historical market share of the Company
    (Unit: %)
                         
Classification   2006     2005     2004  
Mobile phone
    50.4       50.9       51.3  
* Comparative market share
 
(As of December 31, 2006)   (Unit:%)
                         
Classification   SK Telecom     KTF     LG Telecom  
Market share
    50.4       32.1       17.5  
(Data: Ministry of Information and Communication website)
(2) New Business Contents and Prospects
a) Expansion of U.S. market operations through commencement of “Helio” service
    Resolution for capital investment regarding Mobile Virtual Network Operator (MVNO) service in the U.S. (January 26, 2005)
 
    Investment amount: US$220 million (From 2005 to 2007)
 
    Investment method: Establishment of a joint venture with EarthLink, which is one of the three major Internet service providers in the U.S.
 
    Service provided: MVNO (Mobile Virtual Network Operator)
 
    Subscriber recruitment and service provision based on service facilities and fee plans
 
    Combination of the Company’s mobile communications business capabilities and data service technology with the local customer base, marketing infrastructure and brand power of EarthLink
 
    Planning to provide additional services related with music, games and messaging for target customers
 
    Status: As of December 31, 2006, the Helio service had approximately 70,000 subscribers and average revenue per user (ARPU) of approximately US$100.
b) Commencement of Commercial High Speed Downlink Packet Access (“HSDPA”) Service (May, 2006)

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    Building on an advanced WCDMA network for data transmission, improve the Company’s long-term growth base through the development of new products with strong visual components (such as video phones and other video content) and the expansion of global roaming services;
 
    Planning to increase customer preference for HSDPA by capturing the early adopter and heavy user markets and to raise awareness of HSDPA as a premium service;
 
    Nationwide HSDPA network expected to be completed in March 2007.
 
  c)   Commencement of Commercial Wireless Broadband (“WiBro”) Service (June 2006)
 
    On January 20, 2005, the Company, along with Korea Telecom, obtained rights to the WiBro business following the review of the Information and Communications Policy Review Committee
 
    Currently servicing six HotZone areas in the Korea University, Shinchon, Hanyang University, Myungdong and Euljiro areas in Seoul;
 
    Plan to expand HotZone service and to introduce partial flat rate plans in light of various customers’ different usage patterns.
2. Major Products
A. Status of Major Products as of December 31, 2006
    (Unit: in million Won, %)
                                 
Business field   Sales type     Item     Major trademarks     Sales amount (ratio)  
Information and communication
                            10,497,773  
 
          Mobile phone   June, NATE and others        
 
                            (98.56 %)
 
  Services                        
 
          Others   Others        
 
                            153,179 (1.44 %)
B. Price Trend of Major Products
                             
Item   During 2006     During 2005     During 2004  
Mobile phone
  Basic fee (per month)     13,000       13,000       13,000  
(Based on standard call charge)
  Service fee (per 10 seconds)     20       20       20  
* Caller ID service became free of charge beginning January 2006.

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3. Investment Status
A. Investments in Progress
                                         
                            (Unit: Won 100 million)  
                            Amount        
            Subject of       Total     already     Future  
Business field   Classification   Investment period   investment   Investment effect   investments     invested     investment  
 
          Network,   Capacity increase and                        
 
  Upgrade/       systems and   quality improvement;                        
Network/Common
  New installation   2006   others   systems improvement     16,000       15,175        
 
*   Amount already invested is the cumulative amount expended through the year ended December 31, 2006.
B. Future Investment Plan
                                 
    Expected investment amount     Expected investment for each year     (Unit: Won 100 million)
Business field   Asset type   Amount     2007     2008     Investment effect
 
  Network, systems                           Upgrades to the existing services
Network/Common
  and others     15,500       15,500       N/A     and provision of new services
 
                     
Total
    15,500       15,500       N/A    
 
                     
 
*   The expected investment amount of Won 1,550.0 billion is the planned future investment amount for 2007.
4. Derivative Products and Others
A. Derivatives Contracts
(1) FX Swap
a) Purpose of Contracts: Currency Exchange Risk Hedging
b) Contract Terms
- Cross Currency Swap
                     
(As of December 31, 2006)               (Unit: in million Won)
                    Income/loss on
Contract amount   Contract party   Contract date     Proceeds payment method   valuation
 
              Exchange on the date immediately    
 
              preceding the principal and interest    
US$125 million
  Citibank   March 23, 2004   payment date   (37,470)
US$125 million
  Credit Suisse   March 23, 2004   Same as above   (37,289)
US$50 million
  BNP Paribas   March 23, 2004   Same as above   (14,962)
US$100 million
  Calyon   October 10, 2006   Same as above   (747)
 
           
Total: US$400 million
            (90,468)
 
           

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*   Income/loss on valuation was calculated using the cash flow hedge accounting and was appropriated for capital adjustment.
- FX Swap
                     
(As of December 31, 2006)       (Unit: in million Won)  
Contract amount   Contract party   Contract date   Proceeds payment method   Income on valuation  
US$100 million
  Credit Suisse   May 27, 2004   Exchange before principal payment date     (22,503 )
US$300 million
  Hana Bank                
US$140 million
  Shinhan Bank                
US$140 million
  Woori Bank   June 30, 2006   Payment of US Dollars and receipt of Korean Won on July 5, 2007     16,660  
US$140 million
  Korea Exchange Bank                
US$140 million
  Citibank                
US$140 million
  Barclays Capital                
(2) Interest Rate Swap
a) Purpose of Contracts: Interest Rate Risk Hedging
b) Contract Terms
- IRS
                     
                (Unit: in million Won)  
(As of December 31, 2006)           Income/loss on  
Contract amount   Contract party   Contract date   Proceeds payment method   valuation  
2,000
  Shinhan Bank   June 28, 2006   Fixing of interest payment date /
exchange of floating interest rate
    (454 )
 
*   Income/loss on valuation was calculated using the cash flow hedge accounting and was appropriated for capital adjustment.

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5. R&D Investments
                                         
                            (Unit: in thousand Won)
Category   2006   2005   2004   Remarks
Raw material     184,969       234,889       255,320        
Labor     33,986,701       35,191,759       36,026,539        
Depreciation     134,461,257       121,335,301       122,097,858        
Commissioned service     83,751,223       86,536,635       85,646,995        
Others     35,680,197       41,730,732       39,951,341        
Total R&D costs     288,064,347       285,029,316       283,978,053        
Accounting
  Sales and administrative expenses     277,807,352       273,223,885       272,290,385        
 
  Development expenses (Intangible assets)     10,256,995       11,805,431       11,687,668        
R&D cost / sales amount ratio
(Total R&D costs / Current sales amount×100)
    2.70%       2.81%       2.93%        
6. Other Matters
A. External Fund Procurement Summary
* Domestic procurement
                                         
    Beginning           Reduction from   (Unit: in million Won)
Source of procurement   balance   New procurement   repayment   Ending balance   Remarks
Bank
          200,000             200,000        
Insurance company
                             
Merchant banking
                             
Loan specialty financial company
                             
Mutual savings bank
                             
Other financial institutions
    24,543             14,704       9,839        
Total procurement from financial institutions
    24,543       200,000       14,704       209,839        
Corporate bond (public offering)
    2,500,000       200,000       800,000       2,100,000        
Corporate bond (private offering)
                             
Paid-in capital increase (public offering)
                             

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    Beginning     New     Reduction from       (Unit: in million Won)
Source of procurement   balance   procurement   repayment   Ending balance   Remarks
Paid-in capital increase (private offering)
                             
Asset —backed securitization (public offering)
                             
Asset —backed securitization (private offering)
                             
Others
                             
Total procurement from capital market
    2,500,000       400,000       800,000       2,100,000        
Borrowings from shareholder, officer and affiliated company
                             
Others
                             
 
                                       
Total
    2,524,543       600,000       814,704       2,309,839        
 
                                       
 
*   Overseas procurement
                                         
                    Reduction in    
    Beginning           repayment and   (Unit: in million Won)
Procurement source   balance   New procurement   others   Ending balance   Remarks
Financial institutions
          94,800       1,840       92,960     Exchange rate adjustment
Overseas securities(Corporate bonds)
    303,900             25,020       278,880     Exchange rate adjustment
Overseas securities (shares and others)
    385,885             29,529       356,356     Stock conversion
Asset —backed securitization
                             
Others
                             
 
                                       
Total
    689,785       94,800       56,389       728,196        
 
                                       

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B. Credit Ratings
(1) Corporate Bonds
                 
    Subject of       Credit rating entity   Evaluation
Credit rating date   valuation   Credit rating   (Credit rating range)   classification
March 12, 2004
  Corporate bond   AAA   Korea Ratings   Current valuation
March 15, 2004
  Corporate bond   AAA   National Information on Credit Evaluation, Inc.   Current valuation
April 23, 2004
  Corporate bond   AAA   Korea Investors Service, Inc.   Current valuation
April 23, 2004
  Corporate bond   AAA   Korea Ratings   Current valuation
December 6, 2004
  Corporate bond   AAA   Korea Investors Service, Inc.   Current valuation
December 6, 2004
  Corporate bond   AAA   National Information on Credit Evaluation, Inc.   Current valuation
March 11, 2005
  Corporate bond   AAA   Korea Investors Service, Inc.   Current valuation
March 11, 2005
  Corporate bond   AAA   Korea Ratings   Current valuation
March 14, 2005
  Corporate bond   AAA   Korea Ratings   Regular valuation
June 14, 2005
  Corporate bond   AAA   National Information on Credit Evaluation, Inc.   Regular valuation
June 13, 2006
  Corporate bond   AAA   National Information on Credit Evaluation, Inc.   Regular valuation
June 21, 2006
  Corporate bond   AAA   Korea Ratings   Regular valuation
June 22, 2006
  Corporate bond   AAA   Korea Investors Service, Inc.   Regular valuation
September 1, 2006
  Corporate bond   AAA   National Information on Credit Evaluation, Inc.   Current valuation
September 1, 2006
  Corporate bond   AAA   Korea Ratings   Current valuation
September 1, 2006
  Corporate bond   AAA   Korea Investors Service, Inc.   Current valuation
October 27, 2006
  Corporate bond   AAA   National Information on Credit Evaluation, Inc.   Current valuation
October 27, 2006
  Corporate bond   AAA   Korea Ratings   Current valuation
 
* Rating definition:   “AAA” — The certainty of principal and interest payment is at the highest level with extremely low investment risk, and is stable in that there is no influence of any environmental change under reasonable expectation conditions.
(2) Commercial Paper (“CP”)
                 
    Subject of       Credit rating entity   Evaluation
Credit rating date   valuation   Credit rating   (Credit rating range)   classification
January 26, 2004
  CP   A1   National Information on Credit Evaluation, Inc.   Regular valuation
June 8, 2004
  CP   A1   National Information on Credit Evaluation, Inc.   Current valuation
June 11, 2004
  CP   A1   Korea Ratings   Current valuation
June 11, 2004
  CP   A1   Korea Investors Service, Inc.   Current valuation

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    Subject of       Credit rating entity   Evaluation
Credit rating date   valuation   Credit rating   (Credit rating range)   classification
June 13, 2005
  CP   A1   Korea Investors Service, Inc.   Current valuation
June 14, 2005
  CP   A1   National Information on Credit Evaluation, Inc.   Current valuation
June 16, 2005
  CP   A1   Korea Ratings   Current valuation
June 13, 2006
  CP   A1   Korea Investors Service, Inc.   Current valuation
June 21, 2006
  CP   A1   National Information on Credit Evaluation, Inc.   Current valuation
June 22, 2006
  CP   A1   Korea Investors Service, Inc.   Current valuation
September 1, 2006
  CP   A1   Korea Ratings   Current valuation
December 27, 2006
  CP   A1   National Information on Credit Evaluation, Inc.   Current valuation
December 27, 2006
  CP   A1   Korea Investors Service, Inc.   Current valuation
 
* Rating definition:   “A1” — Timely repayment capability is at the highest level with extremely low investment risk, and is stable in that there is no influence of any environmental change under reasonable expectation conditions.
(3) International Credit Ratings
                 
        Credit rating   Credit rating company    
Date of credit rating   Subject of valuation   of securities   (Credit rating range)   Evaluation type
June 14, 2005
  Issuer Rating   A   Fitch (England)   Current valuation
July 14, 2005
  Global Bonds   A2   Moody’s (U.S.A.)   Current valuation
July 14, 2005
  Exchangeable Bonds   A2   Moody’s (U.S.A.)   Current valuation
July 27, 2005
  Global Bonds   A   S&P (U.S.A.)   Current valuation
July 27, 2005
  Exchangeable Bonds   A   S&P (U.S.A.)   Current valuation
III. FINANCIAL INFORMATION
1. Summary Financial Statements
(Unit: in million Won)
                                         
    Year ended December 31,
Classification   2006   2005   2004   2003   2002
Current assets
    4,189,325       4,172,485       3,854,345       3,460,706       2,746,991  
• Quick assets
    4,172,887       4,166,500       3,843,384       3,452,682       2,736,273  
• Inventory
    16,438       5,985       10,961       8,024       10,718  
Fixed assets
    11,624,728       10,349,191       10,166,360       9,915,253       9,974,227  
• Investments
    3,801,458       2,366,760       2,112,488       1,763,359       3,132,330  
• Tangible assets
    4,418,112       4,595,884       4,605,253       4,551,626       4,451,548  
• Intangible assets
    3,405,158       3,386,547       3,448,619       3,600,268       2,390,350  

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    (Unit in million Won)
    Year ended December 31,
Classification   2006   2005   2004   2003   2002
Total assets
    15,814,053       14,521,676       14,020,705       13,375,959       12,721,218  
Current liabilities
    2,985,620       2,747,268       2,859,711       4,231,974       4,015,859  
Fixed liabilities
    3,522,006       3,516,528       4,033,902       3,202,147       3,168,412  
Total liabilities
    6,507,626       6,263,796       6,893,613       7,434,121       7,184,271  
Capital
    44,639       44,639       44,639       44,639       44,576  
Capital surplus
    2,962,699       2,966,198       2,983,166       2,915,964       2,884,385  
• Surplus from share issuance
    2,915,887       2,915,887       2,915,887       2,915,964       2,884,385  
• Other capital surplus
    46,812       50,311       67,279              
Income surplus
    7,844,753       7,269,861       6,156,708       5,140,349       4,897,099  
Capital adjustment
    (1,545,664 )     (2,022,817 )     (2,057,422 )     (2,159,114 )     (2,289,112 )
Total capital
    9,306,427       8,257,881       7,127,091       5,941,838       5,536,948  
Sales
    10,650,952       10,161,129       9,703,681       9,520,244       8,634,049  
Operation income
    2,584,370       2,653,570       2,359,581       3,080,660       2,683,676  
Ordinary income
    2,021,643       2,554,613       2,115,778       2,714,194       2,179,993  
Current net income
    1,446,598       1,871,380       1,494,852       1,942,750       1,511,278  
 
*   See the attached Korean GAAP Non-consolidated Financial Statements.
IV. AUDITOR’S OPINION
1. Auditor
                 
2006   2005   2004
Deloitte Anjin LLC
  Deloitte Anjin LLC   Deloitte Hana Anjin LLC
2. Audit Opinion
                 
Term   Auditor’s opinion     Issues noted  
Year ended December 31, 2006
  Appropriate      
Year ended December 31, 2005
  Appropriate      
Year ended December 31, 2004
  Appropriate      

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3. Remuneration for Independent non-executive Auditors for the Past Three Fiscal Years
A. Audit Contracts
(Unit: in thousand Won)
                         
Term   Auditors   Contents   Fee   Total hours
Year ended
December 31, 2006
  Deloitte Anjin LLC   Semi-annual review
Quarterly review
Non-consolidated financial statements audit
Consolidated financial statements audit
    656,000     6,206 (excluding time spent on consolidated and US GAAP audit)
Year ended
December 31, 2005
  Deloitte Anjin LLC   Semi-annual review
Quarterly review
Non-consolidated financial statements audit
Consolidated financial statements audit
    447,000       5,177  
Year ended
December 31, 2004
  Deloitte Hana
Anjin LLC
  Semi-annual review
Quarterly review
Non-consolidated financial statements audit
Consolidated financial statements audit
    360,000       4,808  

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B. Non-Audit Services Contract with External Auditors
(Unit: in thousand Won)
                     
Term   Contract date   Service provided   Service period   Fee
Year ended December 31, 2006
  January 1, 2006   Tax consulting service for fiscal year 2006   25 days     20,000  
 
  February 7, 2006   Tax training for employees of authorized exclusive dealers   50 days     45,000  
 
  April 30, 2006   Tax consulting   7 days     45,000  
 
  July 26, 2006   Financial consulting   7 days     40,000  
 
  October 13, 2006   Evaluation of and preparation of recommendations for improvement of subsidiaries’ financial system infrastructure   10 days     49,500  
 
  November 13, 2006   Preparation of responses to the U.S. S.E.C. comments on the Company’s Form 20-F for 2005   10 days     25,500  
Year ended December 31, 2005
  February 4, 2005   Advisory service regarding the set up of the internal control   9 days     46,080  
 
  March 30, 2005   -Form 20-F for the year ended December 31, 2003   10 days     20,200  
 
      -Response to the U.S. S.E.C. comments regarding the Form 6-K including the U.S. GAAP consolidated financial statements for the six months ended June 30, 2004            
 
  March 31, 2005   Tax adjustment for the year ended
December 31, 2004
  7 days     24,920  
 
  April 15, 2005   Tax consulting   3 days     5,000  
 
  April 29, 2005   Tax consulting   7 days     19,000  
 
  June 1, 2005   2004 English audit   20 days     86,000  
 
  July 18, 2005   Tax consulting   5 days     13,500  
 
  December 31, 2005   Tax consulting   All year (100 hours)     10,000  
Year ended December 31, 2004
  March 2, 2004   Consulting on the issuance of overseas unsecured debenture   17 days     49,500  
 
  March 30, 2004   Tax adjustment for the year ended
December 31, 2003
  5 days     22,650  
 
  April 1, 2004   Financial due diligence   6 days     6,100  
 
  April 10, 2004   Thailand tax consulting   4 days     12,000  
 
  April 14, 2004   Consulting on issuance of overseas exchangeable bond   15 days     48,800  
 
  May 10, 2004   Indonesia tax consulting   4 days     9,600  
 
  September 30, 2004   U.S. GAAP Consolidated Audit (yearly basis)   20 days     86,000  
 
  September 30, 2004   U.S. GAAP Consolidated Audit (Semi-annual basis)   30 days     114,000  
 
  October 15, 2004   Consulting on internal control recommendations   50 days     171,000  

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V. MANAGEMENT STRUCTURE
1. Summary of Management Structure
A. Board of Directors
(1) Authority of the Board of Directors
  a)   Authority of the board of directors under Article 7 of the Regulations of the Board of Directors
  -   Convocation of shareholders’ meeting and submission of agenda
 
  -   Prior approval of financial statements
 
  -   Decisions on issuance of new shares
 
  -   Long-term borrowings, issuance of corporate bonds and redemptions
 
  -   Capital transfer of reserves
 
  -   Election of CEO and representatives
 
  -   Appointment of executive directors
 
  -   Establishment, transfer or closure of branches
 
  -   Enactment of and revision to the Regulations for the Board of Directors
 
  -   Annual business plan and budgeting
 
  -   Approval of investments of Won 15 billion or above
 
  -   Planned budget increases and changes for investments or Won 15 billion or above
 
  -   Diversification into new businesses
 
  -   Investments and joint ventures of Won 15 billion or above (excluding matters subject to prior approval by independent non-executive directors)
 
  -   Establishment of subsidiaries
 
  -   Guarantees of Won 15 billion or above (excluding matters subject to prior approval by independent non-executive directors)
 
  -   Transactions undertaken with related parties equal to or above the lesser of an amount equivalent to 10% of capital or Won 10 billion, and any material changes to such transactions in accordance with the Anti-trust Law and Fair Trade Act
 
  -   Enactment of and amendment to the Internal Trading Procedures

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- Other matters considered necessary by the Board of Directors and those requiring Board of Directors’ approval under applicable laws
  b)   Reporting items under Article 7.2 of the Regulations of the Board of Directors
-The representative director must report the following to the Board of Directors within two months after the date of occurrence:
    Results for the six months ended June 30 of each year
 
    Execution of investments between Won 5 billion and Won 15 billion
 
    New investments and joint ventures under Won 15 billion
 
    Acquisition of non-operational fixed assets
 
    Disposition of fixed assets of Won 15 billion or above
 
    Matters related to guarantees of under Won 15 billion
 
    Internal trading not subject to approval by the Board of Directors
 
    Matters delegated to the representative director that the Board of Directors requires to be reported
(2) Publication of Information on Director Candidates Prior to the Shareholders’ Meeting for the Election of Directors and Shareholders’ Nomination
  a)   On February 13, 2007, in the notice of the annual general meeting of shareholders, information on Jung Nam Cho, Sung Min Ha and Dal Sup Shim, candidates for the Board of Directors, was publicly disclosed.
 
  b)   There was no nomination by the shareholders.
(3) Significant Activities of the Board of Directors
             
Meeting   Date   Agenda   Approval
264th
(the first meeting of
2006)
  January 23, 2006   - Financial statements for the year ended December 31, 2005
- Annual business report for the year ended December 31, 2005
- Organization of Independent non-executive Director Nomination Committee
- Amendment of regulation for the Compensation Review Committee
  Approved as proposed

Approved as proposed

Approved as proposed

Amendment to be proposed to the Board of Directors in April, 2006
 
           
265th
(the second meeting of
2006)
  February 14, 2006   - Convocation of the 22nd General Meeting of Shareholders   Approved as proposed
 
           
266th
(the third meeting of
2006)
  March 31, 2006   - Election of committee members   Approved as proposed

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Meeting   Date   Agenda   Approval
267th
(the fourth meeting
of 2006)
  April 26, 2006   - Amendment of regulations for the Compensation Review Committee
- Election of committee member for the Compensation Review Committee
- Establishment of the Service & Technology Center (STC)
- Exercise of the iHQ call option
  Approved after amendment

Approved as proposed

Approved as proposed

Approved as proposed
 
           
268th
(the fifth meeting of
2006)
  May 26, 2006   - Issuance of overseas convertible bonds and approval of related treasury stock disposition plan, as amended   Approved as proposed
 
           
269th
(the sixth meeting of
2006)
  June 20, 2006   - Acquisition of China Unicom convertible bonds
- Long-term borrowings
  Approved as proposed
Approved as proposed
 
           
270th
(the seventh meeting of 2006)
  July 28, 2006   - Interim dividends
- Acquisition of the Company’s common stock for cancellation
  Approved as proposed
Approved as proposed
 
           
271st
(the eighth meeting
of 2006)
  August 31, 2006   - Establishment of Global Committee and election of members
- Issuance of corporate bonds and long-term borrowings
- Acquisition of the Company’s common stock for cancellation
- Expansion of WCDMA investment
- Construction of TD-SCDMA Test-bed and investment for development of related services
  Approved after amendment

Approved as proposed

Approved as proposed

Approved as proposed
Approved as proposed
 
           
272nd
(the ninth meeting of
2006)
  September 29, 2006   - Report on activities in July and August 2006  
 
           
273rd
(the tenth meeting of
2006)
  October 27, 2006   - Issuance of corporate bonds   Approved as proposed
 
           
274th
(the eleventh meeting
of 2006)
  November 24, 2006   - 2006 Operation Results and 2007 Plan for the Fair Trade Voluntary Compliance Program  

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Meeting   Date   Agenda   Approval
275 th
      - Establishment of SKT China Holding Company   Approved as proposed
(the twelfth meeting
  December 22, 2006   - Participation in capital increase of TU Media;   Approved as proposed
of 2006)
      - 2007 Business Management Plan   Approved as proposed
 
           
276 th
(the first meeting of
2007)
  January 25, 2007   - Financial statements for the year ended December 31, 2006
- Annual business report for the year ended December 31, 2006
  Approved as proposed
Approved as proposed
 
           
277 th
(the second meeting
of 2007)
  February 13, 2007   - Organization of the Independent Non-Executive Director Nomination Committee   Approved as proposed
 
           
278 th
(the third meeting of
2007)
  February 13, 2007   - Convocation of the 23rd General Meeting of Shareholders
- Change in the Fair Trade Voluntary Compliance Program manager
  Approved as proposed
Approved as proposed
 
           
279 th
(the fourth meeting
of 2007)
  March 9, 2007   - Election of the representative director and appointments of executive directors
- Election of committee members
  Approved as proposed
Approved as proposed
(4) Committee Structure and Activities of the Board of Directors
  a)   Independent non-executive Director Nomination Committee
- Organization
(As of February 13, 2007)
         
    Members
Number of Persons   Company Directors   Independent non-executive Directors
4
  Shin Bae Kim, Sung Min Ha   Seung Taik Yang, Sang Jin Lee

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Table of Contents

          - Activities
             
Meeting   Date   Number of
Attendees
  Details
7th Meeting
(the first meeting of
2006)
  February 14, 2006   3 persons/4 persons   - Election of the Chairman: Jung Nam Cho
- 22nd General Meeting of Shareholders: Nomination of Independent non-executive director candidates
- Yong Woon Kim, Hyun Chin Lim
 
           
8th Meeting
(the first meeting of
2007)
  February 13, 2007   4 persons /4 persons   - Election of the Chairman: Seung Taik Yang
- 23nd General Meeting of Shareholders: Nomination of Independent non-executive director candidates Dal Sup Shim
          * The Independent Non-executive Director Nomination Committee is a committee established under the provisions of the Articles of Incorporation.
     b) Compensation Review Committee
          - Organization
(As of March 9, 2007)
         
    Members
Number of Persons   Company
Directors
  Independent non-executive Directors
8 persons
  -   Dae Sik Kim, Yong Woon Kim, Dae Kyu Byun, Dal Sup
Shim, Seung Taik Yang, Jae Seung Yoon, Sang Jin Lee,
Hyun Chin Lim
          - Activities
             
Meeting   Date   Number of Attendees   Details
The first meeting of 2006
  May 25, 2006   7 persons/ 7persons   Election of chairman
 
           
The second meeting of 2006
  June 20, 2006   5persons/ 7persons   Discussion of operation of the Compensation Review Committee
 
           
The third meeting of 2006
  July 27, 2006   7 persons/ 7persons   same as above
 
           
The fourth meeting of 2006
  August 30, 2006   7 persons/ 7persons   same as above
 
           
The fifth meeting of 2006
  October 26, 2006   6persons/ 7persons   same as above
          * The Compensation Review Committee is a committee established by the resolution of the Board of Directors.
     c) Capex Review Committee

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Table of Contents

          - Organization
(As of March 9, 2007))
         
    Members
Number of Persons   Company Directors   Independent non-executive Directors
5 persons
  Lee Bang Hyung   Dae Kyu Byun, Seung Taik Yang, Jae Seung Yoon, Sang Chin Lee
          - Activities
             
Meeting   Date   Number of Attendees   Details
The first meeting of 2006
  February 13, 2006   4 persons/5 persons   - Additional report on the investment plan for 2006
 
           
The second meeting of 2006
  April 25, 2006   4 persons/5 persons   - Establishment of the Service & Technology Center
- Exercise of the iHQ call option
 
           
The third meeting of 2006
  April 26, 2006   4 persons/5 persons   - Election of chairman
- Approval of plans for investment in contents business and restrictions thereof
 
           
The fourth meeting of 2006
  August 30, 2006   5 persons/5 persons   - Construction of TD-SCDMA Test-bed and investment for development of related services
- Expansion of WCDMA investment
 
           
The fifth meeting of 2006
  December 21, 2006   4 persons/ 5 persons   - Investment plan for 2007
          * The Capex Review Committee is a committee established by the resolution of the Board of Directors.
     d) Globalization Committee
          - Organization
(As of March 9, 2007)
         
    Members
Number of Persons   Company Directors   Independent non-executive Directors
4 persons
  Ha Sung Min   Dae Sik Kim, Dae Kyu Byun, Sang Chin Lee
          - Activities
             
Meeting   Date   Number of Attendees   Details
The first meeting of 2006
  July 27, 2006   4 persons/ 4persons   - Report on Vietnam (S-Fone) and United States (HELIO) operations
- Discussion on operation of Globalization Committee
 
           
The second meeting of 2006
  September 28, 2006   4 persons/ 4 persons   - Election of chairman
          * The Globalization Committee is a committee established by the resolution of the Board of Directors.

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  e)   Audit Committee: See “B. Audit System” below.
   * The Audit Committee is a committee established under the provisions of the Articles of Incorporation.
B. Audit System
(1) Establishment and Organization of the Audit Committee
  a)   The Audit Committee is composed of three or more directors. However, independent non-executive directors must account for 2/3 or more, and the members are elected by the resolution of the Board of Directors each year.
b) The Audit Committee is convened when deemed necessary by the chairman or is requested by two or more of the committee members.
c) The quorum for resolution is majority attendance with majority consent of the attending members.
(2) Authority of the Audit Committee
     Includes authority to inquire on the subsidiary companies, right to investigate the business operations and asset conditions, and right to request for a business status report pursuant to the Audit Committee Regulations.
(3) Members of the Audit Committee
     Audit Committee Members are directors Dae Sik Kim, Yong Woon Kim, Dal Sup Shim and Hyun Chin Lim.
(4) Major Activities of the Audit Committee
                 
Meeting   Date   Agenda   Approval   Remarks
The first meeting of 2006
  January 20, 2006   - Report on operation of internal accounting controls    
 
               
The second meeting of 2006
  February 13, 2006   - Audit report for the year ended December 31, 2005
- Evaluation of internal accounting controls
  Approved as proposed
Approved as proposed
 
 
               
The third meeting of 2006
  February 27, 2006   - Auditor’s opinion on the internal audit system
- Management audit schedule for 2006
- Proposal for the election of outside auditor for 2006-2008 period
  Approved as proposed

 
 
               
The fourth meeting of 2006
  March 8, 2006   - Election of outside auditor for 2006-2008 period   Approved as proposed  
 
               
The fifth meeting of 2006
  April 25, 2006   - Election of chairman
- Remuneration for outside auditor
- Collective re-approval of outside auditor’s service schedule for 2006
- Management report
  Approved as proposed
Approved as proposed
Approved as proposed
 
 
               
The sixth meeting of 2006
  May 25, 2006   - Report on issuance of overseas convertible bonds and approval of related treasury stock disposition plan, as amended    

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Meeting   Date   Agenda   Approval   Remarks
The seventh meeting of 2006
  June 20, 2006   - Audit report for 2005 US GAAP financial statements    
 
               
The eighth meeting of 2006
  July 5, 2006   - Report on operation of Ethics Counseling Center
- Report on activities relating to the prevention of ethical issues
- Report on the Company’s current operations
   
 
               
The ninth meeting of 2006
  July 27, 2006   - Interim dividend plan
- Plan to acquire the Company’s common stock for cancellation
- Management audit results for the first half of 2006
   
 
               
The tenth meeting of 2006
  August 30, 2006   - Plans for issuance of corporate bonds and long-term borrowings
- Plan to acquire the Company’s common stock for cancellation
- Report on the Company’s current operations
   
 
               
The eleventh meeting of 2006
  October 26, 2006   - Report on status of internal accounting controls
- Plan for issuance of corporate bonds
- Report on the Company’s current operations
   
 
               
The first meeting of 2007
  January 24, 2007   - Financial statements for the year ended December 31, 2006
- Annual business report for the year ended December 31, 2006
- Report on operation of internal accounting controls
   
 
               
The second meeting of 2007
  February 12, 2007   - Report on K GAAP audit of the financial statements for the year ended December 31, 2006
- Report on the review of internal accounting controls for the year ended December 31, 2006
- Report on the 2006 second-half management audit and the 2007 plan
- Auditor’s opinion on internal controls
- Audit report for the year ended December 31, 2005
- Evaluation of internal accounting controls
 


Approved as proposed
Approved as proposed
Approved as proposed
 
     C. Exercise of Voting Rights by the Shareholders
     (1) Use of the Cumulative Voting System

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a) Pursuant to the Articles of Incorporation, the cumulative voting system was first introduced in the General Meeting of Shareholders in 2003.
b) Articles of Incorporation
     
-
  Article 32 (3) (Election of Directors): Cumulative voting under Article 382-2 of the Commercial Code will not be applied for the election of directors.
 
   
-
  Article 4 of the 12th Supplement to the Articles of Incorporation (Interim Regulation): Article 32 (3) of the Articles of Incorporation shall remain effective until the day immediately preceding the date of the general shareholders’ meeting of 2003.
D. Compensation of Officers and Others
(1) Compensation of Directors (including Independent non-executive Directors) and Members of the Audit Committee
(Unit: in million Won)
                             
            Total amount        
            approved by the        
            Meeting of   Average payment per    
Classification   Total payment   Shareholders   person   Remarks
Company directors
    4,847       12,000       1,212    
 
                           
Independent non-executive
directors
    587               81     Including members of the Audit Committee

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(2) Granting and Exercise of Stock Options
     All of the options granted by the Company in or after 2001, in the total amount of 109,550 shares, have expired and there are no options that remain outstanding. The exercise period for the stock options granted on March 8, 2002 (for 65,730 shares) was from March 8, 2005 to March 7, 2007, and all such options have expired without exercise.
2. Affiliated Companies
(1) Summary of Corporate Group
      Name: SK Group
(2) Capital Investments between Affiliated Companies
     
(As of December 31, 2006)
  * Based on common shares
                                                                 
    Invested companies
Investing company   SK Corporation   SK Networks   SK Telecom   SK Chemicals   SKC   SK E&C   SK Shipping   SK Securities
SK Corporation
            40.59 %     21.75 %             44.19 %             72.13 %        
 
                                                               
SK Networks
                    1.34 %                     0.02 %     17.71 %     22.71 %
 
                                                               
SK Telecom
                                                               
 
                                                               
SK Chemicals
                                            58.03 %                
 
                                                               
SKC
                            2.90 %                     10.16 %     12.41 %
 
                                                               
SK E&C
                                                               
 
                                                               
SK Shipping
                                                               
 
                                                               
SK Securities
    0.17 %                             0.06 %                        
 
                                                               
Walkerhill
                                                               
 
                                                               
SK C&C
    11.16 %                                                        
 
                                                               
SK incheon oil
                                                               
 
                                                               
Daehan City Gas
                                                               
 
                                                               
SK Telink
                                                               
 
                                                               
SK E&S
                                                               
 
                                                               
SK Communications
                                                               
 
                                                               
iHQ
                                                               
 
                                                               
Empas
                                                               
 
                                                               
Total affiliated companies
    11.33 %     40.59 %     23.09 %     2.90 %     44.25 %     58.05 %     100.00 %     35.12 %

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    Invested companies
Investing companies   Walkerhill   SK E&S   SK Gas   SK C&C   DOPCO   Cheongju Gas   Gumi Gas   Pohang Gas
SK Corporation
            51.00 %                     32.38 %                        
 
                                                               
SK Networks
    9.68 %                     15.00 %     4.61 %                        
 
                                                               
SK Telecom
                            30.00 %                                
 
                                                               
SK Chemicals
    0.25 %                                                        
 
                                                               
SKC
    7.50 %                                                        
 
                                                               
SK E&C
                                                               
 
                                                               
SK Shipping
                                                               
 
                                                               
SK Securities
                                                               
 
                                                               
Walkerhill
                                                               
 
                                                               
SK C&C
                                                               
 
                                                               
SK incheon oil
                                    5.23 %                        
 
                                                               
Daehan City Gas
                                                               
 
                                                               
SK Telink
                                                               
 
                                                               
SK E&S
                    45.53 %                     100.00 %     100.00 %     100.00 %
 
                                                               
SK Communications
                                                               
 
                                                               
iHQ
                                                               
 
                                                               
Empas
                                                               
 
                                                               
Total affiliated companies
    17.43 %     51.00 %     45.53 %     45.00 %     42.23 %     100.00 %     100.00 %     100.00 %

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    Invested companies
    Daehan City   Daehan                                   Busan City
Investing companies   Gas   Engineering   SK Sci-tech   K-Power   SK NJC   SK Telink   Gas
SK Corporation
                            65.00 %                        
 
                                                       
SK Networks
                                                       
 
                                                       
SK Telecom
                                            90.77 %        
 
                                                       
SK Chemicals
                    50.00 %             60.00 %                
 
                                                       
SKC
                                                       
 
                                                       
SK E&C
                                                       
 
                                                       
SK Shipping
                                                       
 
                                                       
SK Securities
                                                       
 
                                                       
Walkerhill
                                                       
 
                                                       
SK C&C
                                                       
 
                                                       
SK incheon oil
                                                       
 
                                                       
Daehan City Gas
            100.00 %                                     0.21 %
 
                                                       
SK Telink
                                                       
 
                                                       
SK E&S
    40.00 %                                             40.00 %
 
                                                       
SK Communications
                                                       
 
                                                       
iHQ
                                                       
 
                                                       
Empas
                                                       
 
                                                       
Total affiliated companies
    40.00 %     100.00 %     50.00 %     65.00 %     60.00 %     90.77 %     40.21 %

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    Invested companies
    Stellar   Jeonnam City   Gangwon City           OK Cashbag   Chungnam   SK
Investing companies   Shipping   Gas   Gas   Iksan City Gas   Service   City Gas   Wyverns
SK Corporation
                                    96.67 %                
 
                                                       
SK Networks
                                                       
 
                                                       
SK Telecom
                                    1.19 %             99.99 %
 
                                                       
SK Chemicals
                                                       
 
                                                       
SKC
                                                       
 
                                                       
SK E&C
                                                       
 
                                                       
SK Shipping
    80.82 %                                                
 
                                                       
SK Securities
                                                       
 
                                                       
Walkerhill
                                                       
 
                                                       
SK C&C
                                                       
 
                                                       
SK incheon oil
                                                       
 
                                                       
Daehan City Gas
                                                       
 
                                                       
SK Telink
                                                       
 
                                                       
SK E&S
            100.00 %     100.00 %     100.00 %             100.00 %        
 
                                                       
SK Communications
                                                       
 
                                                       
iHQ
                                                       
 
                                                       
Empas
                                                       
 
                                                       
Total affiliated companies
    80.82 %     100.00 %     100.00 %     100.00 %     97.86 %     100.00 %     99.99 %

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    Invested companies
                    SK            
Investing companies   Infosec   MRO Korea   Communications   SK Telesys   Innoace   AirCROSS
SK Corporation
                                               
 
                                               
SK Networks
            51.00 %                                
 
                                               
SK Telecom
                    85.90 %             14.25 %     38.10 %
 
                                               
SK Chemicals
                                               
 
                                               
SKC
    20.63 %                     77.13 %                
 
                                               
SK E&C
                                               
 
                                               
SK Shipping
                                               
 
                                               
SK Securities
                                               
 
                                               
Walkerhill
                                               
 
                                               
SK C&C
    48.14 %                                        
 
                                               
SK incheon oil
                                               
 
                                               
Daehan City Gas
                                               
 
                                               
SK Telink
                    1.18 %                        
 
                                               
SK E&S
                                               
 
                                               
SK Communications
                                               
 
                                               
iHQ
                                               
 
                                               
Empas
                                               
 
                                               
Total affiliated companies
    68.77 %     51.00 %     87.08 %     77.13 %     14.25 %     38.10 %

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    Invested companies
Investing companies   Encar network   Global C&I   Paxnet   TU Media   SK Utis   SK CTA
SK Corporation
    50.00 %                                     50.00 %
 
                                               
SK Networks
                                               
 
                                               
SK Telecom
            50.00 %     59.74 %     29.58 %                
 
                                               
SK Chemicals
                                    60.00 %        
 
                                               
SKC
                                               
 
                                               
SK E&C
                                               
 
                                               
SK Shipping
                                               
 
                                               
SK Securities
            40.00 %                                
 
                                               
Walkerhill
                                               
 
                                               
SK C&C
                                               
 
                                               
SK incheon oil
                                               
 
                                               
Daehan City Gas
                                               
 
                                               
SK Telink
                                               
 
                                               
SK E&S
                                               
 
                                               
SK Communications
                                               
 
                                               
iHQ
                                               
 
                                               
Empas
                                               
 
                                               
Total affiliated companies
    50.00 %     90.00 %     59.74 %     29.58 %     60.00 %     50.00 %

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    Invested companies
                            SK   SK Mobile           SK Incheon
Investing companies   Seoul Records   In2Gen   Independence   Petrochemical   Energy   SKC Media   Oil
SK Corporation
                                    88.34 %             90.63 %
 
                                                       
SK Networks
                                                       
 
                                                       
SK Telecom
    60.00 %                                                
 
                                                       
SK Chemicals
            44.56 %             100.00 %                        
 
                                                       
SKC
                                    11.66 %     100.00 %        
 
                                                       
SK E&C
                                                       
 
                                                       
SK Shipping
                                                       
 
                                                       
SK Securities
                                                       
 
                                                       
Walkerhill
                                                       
 
                                                       
SK C&C
                    67.78 %                                
 
                                                       
SK incheon oil
                                                       
 
                                                       
Daehan City Gas
                                                       
 
                                                       
SK Telink
                                                       
 
                                                       
SK E&S
                                                       
 
                                                       
SK Communications
                                                       
 
                                                       
iHQ
                                                       
 
                                                       
Empas
                                                       
 
                                                       
Total affiliated companies
    60.00 %     44.56 %     67.78 %     100.00 %     100.00 %     100.00 %     90.63 %

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    Invested companies
Investing companies   iHQ   YTN Media   I Film Co.   NTREEV Soft   SK I-Media        
SK Corporation
                                               
 
                                               
SK Networks
                                               
 
                                               
SK Telecom
    34.08 %                                        
 
                                               
SK Chemicals
                                               
 
                                               
SKC
                                               
 
                                               
SK E&C
                                               
 
                                               
SK Shipping
                                               
 
                                               
SK Securities
                                               
 
                                               
Walkerhill
                                               
 
                                               
SK C&C
                                    40.00 %        
 
                                               
SK incheon oil
                                               
 
                                               
Daehan City Gas
                                               
 
                                               
SK Telink
                                               
 
                                               
SK E&S
                                               
 
                                               
SK Communications
                                    60.00 %     24.43 %
 
                                               
IHQ
            51.42 %     45.00 %     51.00 %                
 
                                               
Empas
                                               
 
                                               
Total affiliated companies
    34.08 %     51.42 %     45.005       51.00 %     100.00 %     24.43 %

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VI. SHARES
1. Distribution of Shares
A. Shareholdings of Major Shareholders and other Related Parties
   
(As of December 31, 2006)
(Unit: share, %)
                                                             
    Number of shares owned (equity rate)
            Beginning   Increase   Decrease   Ending   Cause
        Types of   Number of   Ownership   Number   Number   Number   Ownership   of
Name   Relationship   shares   shares   ratio   of shares   of shares   of shares   ratio   change
SK Corporation
  Parent
company
  Common
stock
    17,663,127       21.47                   17,663,127       21.75    
 
                                                           
SK Networks
  Affiliated
company
  Common
stock
    1,085,325       1.32                   1,085,325       1.34    
 
                                                           
Tae Won Choi
  Officer of affiliated
company
  Common
stock
    100       0.00                   100       0.00    
 
                                                           
Shin Won Choi
  Officer of affiliated
company
  Common
stock
    700       0.00       70             770       0.00    
 
                                                           
Shin Bae Kim
  Director   Common
stock
    1,270       0.00                   1,270       0.00    
 
                                                           
Dae Kyu Byun
  Director   Common
stock
    50       0.00                   50       0.00    
 
                                                           
Jae Seung Yoon
  Director   Common
stock
    200       0.00                   200       0.00    
 
                                                           
Bang Hyung Lee
  Director   Common
stock
    1,630       0.00             1,230       400       0.00    
 
                                                           
Sung Min Ha
  Director   Common
stock
    738       0.00                   738       0.00    
Total
  Common
stock
    18,753,140       22.79       70       1,230       18,751,980       23.10    
 
                                                           
 
      Preferred
stock
    0       0                   0       0      
 
                                                           
 
      Total     18,753,140       22.79       70       1,230       18,751,980       23.10      
Largest shareholder:           SK Corporation                               Number of related parties: 8 persons

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B. Shareholders with More than 5% Shareholding
     
(As of December 31, 2006)
  (Unit: share, %)
                                                     
        Common share   Preferred share   Sub-total
        Number of   Ownership   Number of   Ownership   Number of   Ownership
Rank   Name (title)   shares   ratio   shares   ratio   shares   ratio
1
  Citibank ADR     21,649,448       26.66                   21,649,448       26.66  
 
                                                   
2
  SK Corporation     17,663,127       21.75                   17,663,127       21.75  
 
                                                   
3
  SK Telecom     8,526,252       10.50                   8,526,252       10.50  
 
                                                   
Total
    47,838,827       58.92                   47,838,827       58.92  
C. Shareholder Distribution
(As of December 31, 2006)
                                         
Classification   Number of shareholders   Ratio (%)   Number of shares   Ratio (%)   Remarks
Total minority shareholders
    21,571       99.96       29,242,806       36.01        
 
                                       
Minority shareholders (corporate)
    1,077       4.99       11,103,941       13.67        
 
                                       
Minority shareholders (individual)
    20,494       94.97       18,138,865       22.34        
 
                                       
Largest shareholder
    1       0.00       17,663,127       21.75        
 
                                       
Major shareholders
                             
 
                                       
Other shareholders
    8       0.04       34,287,778       42.23        
 
                                       
Other shareholders (corporate)
    6       0.03       11,663,018       14.36        
 
                                       
Other shareholders (individual)
    2       0.01       22,624,760       27.87        
 
                                       
Total
    21,580       100.00       81,193,711       100.00        

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2. Share Price and Trading Volume in the Last Six Months
A. Domestic Securities Market
(Unit: Won, shares)
                                                 
Types   December 2006   November 2006   October 2006   September 2006   August 2006   July 2006
Common share
                                               
Highest
    235,000       229,000       211,000       205,500       202,500       205,000  
Lowest
    211,500       205,000       194,500       189,000       179,000       188,500  
Monthly transaction volume
    3,192,160       3,534,043       3,085,835       4,634,645       5,158,605       3,069,172  
B. Overseas Securities Market
     
New York Stock Exchange   (Unit: US$, ADR)
     
                                                 
Types   December 2006   November 2006   October 2006   September 2006   August 2006   July 2006
Depository receipt
                                               
Highest
    27.42       26.48       24.35       24.16       22.43       23.75  
Lowest
    25.44       24.91       22.89       22.20       21.14       21.87  
Monthly transaction volume
    11,177,000       16,392,201       15,388,604       15,993,800       18,427,807       15,287,500  
VII. EMPLOYEES
     
(As of December 31, 2006)   (Unit: persons, in million Won)
     
                                                                 
    Number of employees                    
    Office                                   Total   Average    
    managerial   Production                   Average   quarterly   wage per    
    positions   positions   Others   Total   service year   wage   person   Remarks
Classification
                                                               
Male
    3,796                   3,796       10.4       223,304       58.8        
Female
    553                   553       8.7       25,650       46.4        
Total
    4,349                   4,349       10.1       248,954       57.2        
VIII. TRANSACTIONS WITH RELATED PARTIES
1. Transactions with the Largest Shareholder
A. Provisional Payment and Loans (including loans on marketable securities)
(Unit: in million Won)

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Name                    
(Corporate       Account   Change details   Accrued    
name)   Relationship   category   Beginning   Increase   Decrease   Ending   interest   Remarks
SK Wyverns
  Affiliated company   Long-term and short-term loans   5,857     575   5,282   475      
B. Equity Investments
(Unit: in million Won)
                                                         
Name           Details    
(Corporate           Types of                    
name)   Relationship   Investment   Beginning   Increase   Decrease   Ending   Note
SLD Telecom, Pte. Ltd.
  Affiliated company   Common share     93,987       97,285             191,272        
SKT U.S.A. Holdings
  Affiliated company   Common share     123,214       75,833             199,047        
SK Mobile
  Affiliated company   Common share           10,322             10,322        
SKT-HP Fund
  Affiliated company   Common share     6,415             6,415                
iHQ
  Affiliated company   Common share     14,440       27,406             41,846          
Cyworld Japan Co., Ltd.
  Affiliated company   Common share     1,309       1,832             3,141          
China STC
  Affiliated company   Common share           1,343             1,343          
Cyworld Inc
  Affiliated company   Common share           2,672             2,672     Investment made in 4th quarter
Helio Inc
  Affiliated company   Common share           1,100             1,100     Investment made in 4th quarter
SK Capital Co., Ltd.
  Affiliated company   Common share     50,000             50,000           Investment liquidated in 4th quarter
Wider Than Co., Ltd.
  Affiliated company   Common share     1,000             1,000           Investment sold in 4th quarter
 
  Total             290,365       217,793       57,415       450,743        

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C. Transfer of Assets
(Unit: in thousand won)
                             
        Transfer details    
Name                   Amount    
(Corporate           Transfer   Transfer   Transfer   Transfer    
name)   Relationship   Objective   purpose   date   (out) amount   (in) amount   Remarks
TU Media Corp
  Affiliated company   Shared subway mobile broadcast base stations   Payment of shared costs   October 31, 2006  
 
1,179,154
   
SKC&C
  Affiliated company   Computer equipment   Return of leased assets   December 29, 2006  
 
754,293
 
SKC&C
  Affiliated company   Computer equipment   Return of assets   December 29, 2006  
 
2,636,387
   
SKC&C
  Affiliated company   Computer equipment   Acquisition of assets   December 29, 2006   (25,119)  
   
 
      Total           (25,119)  
4,569,834
   

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2.   Transactions with Shareholders (excluding the largest shareholder and others), Officers, Employees and other Interested Parties
A. Provisional Payment and Loans (including loans on marketable securities)
* Agents
(Unit: in million Won)
                                                                 
Name                        
(Corporate           Account   Change details   Accrued    
name)   Relationship   category   Beginning   Increase   Decrease   Ending   interest   Remarks
Hong Eun and others
  Agency   Long-term and short-term loans     62,776       100,549       98,341       64,984       3        
B. Overseas investment companies
(Unit: in million Won)
                                                                 
Name                        
(Corporate           Account   Change details   Accrued    
name)   Relationship   category   Beginning   Increase   Decrease   Ending   interest   Remarks
DSS Mobile Com. (India)
  Overseas Investment company   Long-term loans     18,887                   18,887           Payment guarantee

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B. Equity Investments
(Unit: in million Won)
                                             
Name       Details    
(Corporate   Relationship   Types of                                   Remarks
name)       Investment   Beginning   Increase   Decrease   Ending    
Flarion Technologies, Inc.
  Affiliated party   Convertible preferred share     3,638             3,638          
 
                                           
Qualcomm, Inc.
  Affiliated party   Common share           2,756             2,756    
 
                                           
Mobile Welcome Co.
  Affiliated party   Common share     1,000             1,000          
 
                                           
Cyper Casting
  Affiliated party   Common share           141             141      
 
                                           
Wavesat Inc
  Affiliated party   Preferred share           3,636               3,636     Investment
 
                                          made in 4th
 
                                          quarter
 
                                           
Inance.com
  Affiliated party   Common share     300             300           Investment
 
                                          sold in 4th
 
                                          quarter
 
                                           
 
                                           
 
  Total         4,938       6,533       4,938       6,533    
 
                                           
IX. OTHER RELEVANT MATTERS
1. Developments in the Items mentioned in prior Reports on Important Business Matters
A. Status and Progress of Major Management Events
             
Date of            
Disclosure in            
Korea   Title   Report   Reports status
October 26, 2001
  Resolution on
trust agreement for
the acquisition of
treasury shares and
others
  1. Signatories: Shinhan Bank,
Hana Bank,
Cho Hung Bank, Korea
Exchange Bank
2. Contract amount: Won 1,300
billion
3. Purpose: to increase
shareholder value
 
1.   On December 24, 2003, cash surplus amount from
the existing trust agreement was partially reduced
(Won 318 billion).

2.   On September 24, 2004, the Board of Directors
extended the term of the specified monetary trust
agreement for 3 years.

3.   As of December 31, 2006, the balance of specified
monetary trust for treasury shares was Won 982
billion.

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2. Summary Minutes of the Shareholders’ Meeting
         
Date   Agenda   Resolution
 
  1. Approval of the financial statements for the year
ended December 31, 2005
  Approved (Cash dividend,Won 8,000 per
share)
 
       
 
  2. Amendment of the Articles of Incorporations
  Approved (Addition of business objective:
travel business)
 
       
 
  3. Remuneration limit for Directors
  Approved (Won 12 billion)
 
       
22nd Fiscal Year Meeting of
Shareholders (March 10,
2006)
  4. Election of Directors
   (Election of Independent non-executive directors
as Audit Committee members)
  Approved (Kim Yong Woon and Im Hyun
Jin)
 
       
 
  1. Approval of the financial statements for the year
ended December 31, 2006
  Approved (Cash dividend,Won 7,000 per
share)
 
       
 
  2. Remuneration limit for Directors
  Approved (Won 12 billion)
 
       
23rd Fiscal Year Meeting of
Shareholders (March 9,
2007)
  3. Election of Directors
   
 
       
 
     – Election of executive directors
  Approved (Jung Nam Cho,Sung Min Ha)
 
       
 
     – Election of independent non-executive
  Approved (Dal Sup Shim)
 
       
 
  directors as Audit Committee members
   
3. Contingent Liabilities
A. Material Legal Proceedings
(1) Action for Monetary Damages
  a)   Parties to the litigation: G.Mate Inc. (plaintiff) vs. the Company (defendant)
 
  b)   Overview: G.Mate alleged that the Company had engaged G.Mate to develop and deliver certain PDA units, but that the Company subsequently refused to take delivery of such units. G.Mate sought approximately Won 4.5 billion in damages.
 
  c)   Progress: An initial mediation process, which was requested by G.Mate, was terminated in January 2007. G.Mate commenced a lawsuit, which is currently pending at the Seoul Central District Court.
 
  d)   Impact on business: In the event that the case is decided against the Company, there is a risk that the Company will be obligated to pay up to Won 4.5 billion in damages. But as G.Mate, to date, has been unable to produce detailed evidence in support of its claim and calculation of requested damages, the Company expects that the likelihood of a ruling against the Company to be low and the estimated impact on the Company’s operations and finances should not be large; however, the actual results of the litigation and actual impact on impact on the Company’s operations and finances may differ depending on future events.
(2) Action Seeking to Vacate Judgment of the Intellectual Property Tribunal Nullifying Patent Registration Related to Caller Ring Service
  a)   Parties to the litigation: Park Won Sup (plaintiff) vs. the Company (defendant)
 
  b)   Overview: Mr. Park Won Sup (the representative director of Ad Ring Systems Co., Ltd.) claimed that certain technology the Company uses to provide the caller ring service infringed upon his patent rights, and the Company sought an administrative action to nullify Mr. Park’s patent rights in the Intellectual Property Tribunal. The Tribunal upheld the nullification of Mr. Park’s patent rights and Mr. Park appealed the decision.

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  c)   Progress: The Patent Court dismissed plaintiff’s claim (September 2005), after which the plaintiff appealed.
 
  d)   Impact on business: In the event that the case is decided against the Company, there is a risk of material future royalty obligations. However, given the progress of the proceedings, the estimated impact should not be large; however, the actual impact may differ depending on future events.
(3) Actions for the Cancellation of the International Registration for Satellite Network
  a)   Parties to the litigation: Korea Multinet Co., Ltd. (“Korea Multinet”) vs. the Ministry of Information and Communication (“MIC”; the Company is participating in the action on behalf of MIC)
 
  b)   Overview: Korea Multinet brought an administrative action against MIC to cancel the Company’s international satellite frequency registration related to the satellite DMB business.
 
  c)   Progress: The trial court found for the defendant and the appellate court affirmed the judgment of the trial court (June 30, 2004). The plaintiff appealed and the case is currently pending at the Supreme Court.
 
  d)   Impact on business: Given the progress of the proceedings, no significant impact on the Company’s business is expected; however, the actual impact may differ depending on future events.
(4)   Actions for the Cancellation of Key Communication Business Licenses and Allotment of Satellite DMB Frequency
  a)   Parties to the litigation: Korea Multinet vs. MIC (the Company is participating in the action on behalf of MIC)
 
  b)   Overview: Korea Multinet brought an administrative action against MIC to cancel the Company’s key communication business licenses and the allotment of the Company’s satellite DMB frequency.
 
  c)   Progress: The Seoul Administrative Court dismissed the claim in July 2006, and Korea Multinet has appealed to the Seoul Appellate Court where the lawsuit is currently pending.
 
  d)   Impact on business: The Company plans to provide full support to MIC in the action although no significant impact to the Company’s business is expected; however, the actual impact may differ depending on future events.

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SK TELECOM CO., LTD.
NON-CONSOLIDATED FINANCIAL STATEMENTS
FOR THE YEARS ENDED DECEMBER 31, 2006 AND 2005
AND INDEPENDENT AUDITORS’ REPORT

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Independent Auditors’ Report
English Translation of a Report Originally Issued in Korean
To the Stockholders and Board of Directors of
SK Telecom Co., Ltd.
 We have audited the accompanying non-consolidated balance sheets of SK Telecom Co., Ltd. (the “Company”) as of December 31, 2006 and 2005, and the related non-consolidated statements of income, appropriations of retained earnings, and cash flows for the years then ended (all expressed in Korean won). These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits.
We conducted our audits in accordance with auditing standards generally accepted in the Republic of Korea. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.
In our opinion, such financial statements referred to above presents fairly, in all material respects, the financial position of the Company as of December 31, 2006 and 2005, and the results of its operations, the appropriations of its retained earnings and its cash flows for the years then ended, in conformity with accounting principles generally accepted in the Republic of Korea.
Our audits also comprehended the translation of the Korean won amounts into U.S. dollar amounts and, in our opinion, such translation has been made in conformity with the basis stated in Note 2(a). Such U.S. dollar amounts are presented solely for the convenience of readers outside of the Republic of Korea.
Accounting principles and auditing standards and their application in practice vary among countries. The accompanying financial statements are not intended to present the financial position, results of operations and cash flows in accordance with accounting principles and practices generally accepted in countries other than the Republic of Korea. In addition, the procedures and practices utilized in the Republic of Korea to audit such financial statements may differ from those generally accepted and applied in other countries. Accordingly, this report and the accompanying financial statements are for use by those knowledgeable about Korean accounting procedures and auditing standards and their application in practice.
February 14, 2007
/s/ Deloitte Anjin LLC
Seoul, Republic of Korea

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Notice to Readers
This report is effective as of February 14, 2007, the auditors’ report date. Certain subsequent events or circumstances may have occurred between the auditors’ report date and the time the auditors’ report is read. Such events or circumstances could significantly affect the accompanying financial statements and may result in modification to the auditors’ report.

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SK TELECOM CO., LTD.
NON-CONSOLIDATED BALANCE SHEETS
DECEMBER 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    December 31,     December 31,     December 31,     December 31,  
A       S        S       E       T       S   2006     2005     2006     2005  
    (In millions)     (In thousands)          
CURRENT ASSETS :
                               
Cash and cash equivalents (Notes 2 and 12)
  W 241,100     W 151,766     $ 259,247     $ 163,189  
Short-term financial instruments (Note 19)
    61,953       73,062       66,616       78,561  
Trading securities (Notes 2 and 3)
    665,299       745,360       715,375       801,462  
Current portion of long-term investment securities
                               
(Notes 2 and 3)
    156             168        
Accounts receivable — trade, net of allowance for
                               
doubtful accounts of W88,285 million at December 31,
                               
2006 and W121,319 million at December 31, 2005
                               
(Notes 2, 12 and 22)
    1,700,650       1,607,596       1,828,656       1,728,598  
Short-term loans, net of allowance for doubtful
                               
accounts of W9,212 million at December 31, 2006 and
                               
$648 million at December 31, 2005
                               
(Notes 2, 5 and 22)
    61,967       64,150       66,631       68,978  
Accounts receivable — other, net of allowance for
                               
doubtful accounts of W26,708 million at December 31,
                               
2006 and W14,246 million at December 31, 2005
                               
(Notes 2, 12 and 22)
    1,257,244       1,333,238       1,351,875       1,433,589  
Inventories (Note 2)
    16,439       5,986       17,676       6,437  
Prepaid expenses
    113,256       101,274       121,781       108,897  
Current deferred income tax assets, net (Notes 2 and 17)
    40,113       61,152       43,132       65,755  
Currency swap (Notes 2 and 24)
    16,660             17,914        
Accrued income and other
    14,488       28,901       15,579       31,077  
 
                       
 
                               
Total Current Assets
    4,189,325       4,172,485       4,504,650       4,486,543  
 
                       
 
                               
NON-CURRENT ASSETS :
                               
Property and equipment, net (Notes 2, 6, 21 and 22)
    4,418,112       4,595,883       4,750,658       4,941,810  
Intangible assets, net (Notes 2 and 7)
    3,405,159       3,386,547       3,661,461       3,641,448  
Long-term investment securities (Notes 2 and 3)
    2,376,268       1,203,333       2,555,127       1,293,906  
Equity securities accounted for using the equity method
                               
(Notes 2 and 4)
    1,161,651       925,904       1,249,087       995,596  
Long-term loans, net of allowance for doubtful
                               
accounts of W23,148 million at December 31, 2006
                               
and W23,737 million at December 31, 2005
                               
(Notes 2, 5 and 22)
    12,828       14,204       13,794       15,273  
Guarantee deposits, net of allowance for doubtful
                               
accounts of W163 million at December 31, 2006
                               
and W312 at December 31, 2005 (Notes 2, 12 and 22)
    120,006       122,846       129,039       132,092  
Long-term deposits and other (Note 19)
    130,704       100,474       140,542       108,037  
 
                       
 
                               
Total Non-Current Assets
    11,624,728       10,349,191       12,499,708       11,128,162  
 
                       
 
                               
TOTAL ASSETS
  W 15,814,053     W 14,521,676     $ 17,004,358     $ 15,614,705  
 
                       
(Continued)

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SK TELECOM CO., LTD.
NON-CONSOLIDATED BALANCE SHEETS (CONTINUED)
December 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    December 31,     December 31,     December 31,     December 31,  
LIABILITIES AND STOCKHOLDERS’ EQUITY   2006     2005     2006     2005  
    (In millions)     (In thousands)  
CURRENT LIABILITIES :
                               
Accounts payable (Notes 12 and 22)
  W 1,107,786     W 971,558     $ 1,191,168     $ 1,044,686  
Income taxes payable (Note 17)
    331,496       366,579       356,447       394,171  
Accrued expenses (Notes 2 and 23)
    373,865       321,399       402,005       345,590  
Dividend payable
    268       298       288       320  
Withholdings
    327,895       205,060       352,575       220,495  
Current portion of long-term debt, net (Notes 2, 8 and 10)
    794,186       809,490       853,963       870,419  
Current portion of subscription deposits (Note 10)
    15,760       14,875       16,946       15,995  
Advanced receipts and other
    34,364       17,230       36,951       18,527  
 
                       
 
                               
Total Current Liabilities
    2,985,620       2,706,489       3,210,343       2,910,203  
 
                       
 
                               
LONG-TERM LIABILITIES :
                               
Bonds payable, net (Notes 2 and 8)
    1,978,874       2,314,208       2,127,822       2,488,396  
Long-term borrowings (Note 9)
    292,960             315,011        
Subscription deposits (Note 10)
    21,140       23,770       22,731       25,559  
Long-term payables — other, net of present value
                               
discount of W42,461 million at December 31, 2006
                               
and W58,413 million at December 31, 2005 (Note 2)
    517,539       591,587       556,494       636,115  
Obligations under capital lease (Notes 2 and 11)
    1,642       10,204       1,766       10,972  
Accrued severance indemnities, net (Note 2)
    9,568       64,029       10,288       68,848  
Non-current deferred income tax liabilities, net (Notes 2 and 17)
    530,454       409,715       570,381       440,554  
Long-term currency swap (Notes 2 and 24)
    112,970       73,450       121,473       78,978  
Long-term interest rate swap (Notes 2 and 24)
    454             488        
Guarantee deposits received and other (Notes 2 and 23)
    56,404       70,344       60,649       75,639  
 
                       
 
                               
Total Long-Term Liabilities
    3,522,005       3,557,307       3,787,103       3,825,061  
 
                       
 
                               
Total Liabilities
    6,507,625       6,263,796       6,997,446       6,735,264  
 
                       
 
                               
STOCKHOLDERS’ EQUITY :
                               
Capital stock (Notes 1 and 13)
    44,639       44,639       47,999       47,999  
Capital surplus (Notes 2, 13 and 16)
    2,962,699       2,966,198       3,185,698       3,189,460  
Retained earnings (Note 14) :
                               
Appropriated
    6,679,234       5,470,701       7,181,973       5,882,473  
Before appropriations
    1,165,519       1,799,160       1,253,246       1,934,581  
Capital adjustments :
                               
Treasury stock (Note 15)
    (2,014,927 )     (2,047,105 )     (2,166,588 )     (2,201,188 )
Unrealized gains (loss) on valuation of long-term investment securities, net (Notes 2, 3 and 17)
    408,521       (42,134 )     439,270       (45,305 )
Equity in capital adjustments of affiliates, net (Notes 2, 4 and 17)
    82,200       77,119       88,387       82,924  
Loss on valuation of currency swap, net (Notes 2, 17 and 24)
    (16,487 )     (14,178 )     (17,728 )     (15,245 )
Loss on valuation of interest swap, net (Notes 2, 17 and 24)
    (329 )           (354 )      
Losses on disposal of treasury stock (Notes 15 and 17)
    (7,887 )           (8,481 )      
Stock options (Notes 2, 16 and 22)
    3,246       3,480       3,490       3,742  
 
                       
 
                               
Total Stockholders’ Equity
    9,306,428       8,257,880       10,006,912       8,879,441  
 
                       
 
                               
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY
  W 15,814,053     W 14,521,676     $ 17,004,358     $ 15,614,705  
 
                       
See accompanying notes to non-consolidated financial statements.

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SK TELECOM CO., LTD.
NON-CONSOLIDATED STATEMENTS OF INCOME
YEARS ENDED DECEMBER 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    2006     2005     2006     2005  
    (In millions)     (In thousands)  
 
                               
OPERATING REVENUE (Notes 2 and 22)
  W 10,650,952     W 10,161,129     $ 11,452,637     $ 10,925,945  
 
                       
 
                               
OPERATING EXPENSES (Notes 2 and 22)
                               
Labor cost
    (396,147 )     (380,383 )     (425,965 )     (409,014 )
Commissions paid
    (3,316,551 )     (2,895,214 )     (3,566,184 )     (3,113,133 )
Depreciation and amortization (Notes 2, 6, 7 and 11)
    (1,513,092 )     (1,512,919 )     (1,626,981 )     (1,626,795 )
Network interconnection
    (955,954 )     (935,217 )     (1,027,908 )     (1,005,610 )
Leased line
    (395,113 )     (392,834 )     (424,853 )     (422,402 )
Advertising
    (300,829 )     (260,699 )     (323,472 )     (280,322 )
Research and development (Note 2)
    (211,752 )     (204,698 )     (227,690 )     (220,105 )
Rent
    (193,877 )     (179,726 )     (208,470 )     (193,254 )
Frequency usage
    (158,958 )     (156,098 )     (170,923 )     (167,847 )
Repair
    (146,312 )     (128,311 )     (157,325 )     (137,969 )
Cost of goods sold
    (39,686 )     (12,372 )     (42,673 )     (13,303 )
Other
    (438,311 )     (449,088 )     (471,301 )     (482,890 )
 
                       
 
                               
Sub-total
    (8,066,582 )     (7,507,559 )     (8,673,745 )     (8,072,644 )
 
                       
 
                               
OPERATING INCOME
    2,584,370       2,653,570       2,778,892       2,853,301  
 
                       
 
                               
OTHER INCOME :
                               
Interest income (Note 3)
    68,624       54,988       73,789       59,127  
Dividends
    20,351       26,515       21,883       28,511  
Commissions (Note 22)
    41,080       33,331       44,172       35,840  
Equity in earnings of affiliates (Notes 2 and 4)
    83,144       55,943       89,402       60,154  
Foreign exchange and translation gains (Note 2)
    2,744       1,862       2,951       2,002  
Reversal of allowance for doubtful accounts
    162       437       174       470  
Gain on disposal of investment assets
    26,975       196,522       29,005       211,314  
Gain on disposal of property, equipment and
                               
intangible assets
    4,453       4,645       4,788       4,995  
Gain on valuation of currency swap
                               
(Notes 2 and 24)
    16,660       2,545       17,914       2,737  
Other
    46,907       33,005       50,438       35,488  
 
                       
 
                               
Sub-total
    311,100       409,793       334,516       440,638  
 
                       
(Continued)

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SK TELECOM CO., LTD.
NON-CONSOLIDATED STATEMENTS OF INCOME (CONTINUED)
YEARS ENDED DECEMBER 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    2006     2005     2006     2005  
    (In millions)     (In thousands)  
OTHER EXPENSES :
                               
Interest and discounts
  (W 237,535 )   (W 252,464 )     ($255,414 )     ($271,467 )
Donations
    (103,002 )     (75,983 )     (110,755 )     (81,702 )
Foreign exchange and translation losses (Note 2)
    (2,871 )     (2,223 )     (3,087 )     (2,390 )
Loss on valuation of currency swap
                               
(Notes 2 and 24)
    (9,258 )           (9,955 )      
Equity in losses of affiliates (Notes 2 and 4)
    (212,109 )     (90,801 )     (228,074 )     (97,635 )
Loss on impairment of long-term investment securities
                               
(Notes 2 and 3)
    (27,344 )     (1,793 )     (29,402 )     (1,928 )
Loss on disposal of investment assets
    (3,486 )     (2,265 )     (3,748 )     (2,435 )
Loss on disposal of property, equipment and
                               
intangible assets
    (16,407 )     (6,079 )     (17,642 )     (6,537 )
Special severance indemnities (Note 2)
    (144,021 )           (154,861 )      
External research and development costs
    (66,055 )     (68,526 )     (71,027 )     (73,684 )
Other
    (51,739 )     (8,616 )     (55,633 )     (9,266 )
 
                       
 
                               
Sub-total
    (873,827 )     (508,750 )     (939,598 )     (547,044 )
 
                       
 
                               
ORDINARY INCOME
    2,021,643       2,554,613       2,173,810       2,746,895  
 
                       
 
                               
INCOME BEFORE INCOME TAXES
    2,021,643       2,554,613       2,173,810       2,746,895  
 
                               
PROVISION FOR INCOME TAXES (Notes 2 and 17)
    (575,045 )     (683,233 )     (618,328 )     (734,659 )
 
                       
 
                               
NET INCOME
  W 1,446,598     W 1,871,380     $ 1,555,482     $ 2,012,236  
 
                       
 
                               
NET INCOME PER SHARE
                               
(In Korean won and U.S. dollars) (Note 18)
  W 19,734     W 25,421     $ 21.219     $ 27.334  
 
                       
 
                               
DILUTED NET INCOME PER SHARE
                               
(In Korean won and U.S. dollars) (Note 18)
  W 19,458     W 25,015     $ 20.923     $ 26.898  
 
                       
See accompanying notes to non-consolidated financial statements.

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SK TELECOM CO., LTD.
NON-CONSOLIDATED STATEMENTS OF
APPROPRIATIONS OF RETAINED EARNINGS
YEARS ENDED DECEMBER 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    2006     2005     2006     2005  
    (In millions)     (In thousands)  
RETAINED EARNINGS BEFORE APPROPRIATIONS :
                               
Beginning of year
  W 1,712     W 1,394     $ 1,840     $ 1,499  
Interim dividends (Note 20)
    (73,714 )     (73,614 )     (79,262 )     (79,155 )
Retirement of treasury stock
    (209,077 )           (224,814 )      
Net income for the year
    1,446,598       1,871,380       1,555,482       2,012,236  
 
                       
 
                               
End of year
    1,165,519       1,799,160       1,253,246       1,934,580  
 
                       
 
                               
TRANSFER FROM VOLUNTARY RESERVES :
                               
 
                               
Reserve for research and manpower development (Note 14)
    188,000       131,466       202,151       141,361  
Reserve for loss on disposal of treasury stock (Note 14)
    221,197             237,846        
 
                       
 
                               
 
    409,197       131,466       439,997       141,361  
 
                       
 
                               
APPROPRIATIONS :
                               
 
                               
Reserve for research and manpower development (Note 14)
    (180,000 )     (190,000 )     (193,548 )     (204,301 )
Reserve for business expansion (Note 14)
    (885,000 )     (1,150,000 )     (951,613 )     (1,236,559 )
Cash dividends (Note 20)
    (508,672 )     (588,914 )     (546,959 )     (633,241 )
 
                       
 
                               
 
    (1,573,672 )     (1,928,914 )     (1,692,120 )     (2,074,101 )
 
                       
 
                               
UNAPPROPRIATED RETAINED EARNINGS TO BE
                               
CARRIED FORWARD TO THE FOLLOWING YEAR
  W 1,044     W 1,712     $ 1,123     $ 1,840  
 
                       
See accompanying notes to non-consolidated financial statements.

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SK TELECOM CO., LTD.
NON-CONSOLIDATED STATEMENTS OF CASH FLOWS
YEARS ENDED DECEMBER 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    2006     2005     2006     2005  
    (In millions)     (In thousands)  
CASH FLOWS FROM OPERATING ACTIVITIES :
                               
 
                               
Net income
  W 1,446,598     W 1,871,380     $ 1,555,482     $ 2,012,236  
 
                       
 
                               
Expenses not involving cash payments :
                               
Provision for severance indemnities
    40,636       40,465       43,695       43,511  
Depreciation and amotization
    1,647,554       1,634,254       1,771,563       1,757,262  
Allowance for doubtful accounts
    77,188       106,130       82,998       114,118  
Foreign translation loss
    623       876       670       942  
Loss on valuation of currency swap
    9,258             9,955        
Equity in losses of affiliates
    212,109       90,801       228,074       97,635  
Loss on impairment of long-term investment securities
    27,344       1,793       29,402       1,928  
Loss on disposal of investment assets
    3,486       2,265       3,748       2,435  
Loss on disposal of property, equipment and intangible assets
    16,407       6,079       17,642       6,537  
Amortization of discounts on bonds and other
    55,070       49,283       59,215       52,993  
 
                       
 
                               
Sub-total
    2,089,675       1,931,946       2,246,962       2,077,361  
 
                       
 
                               
Income not involving cash receipts :
                               
Foreign translation gain
    (245 )     (143 )     (263 )     (154 )
Reversal of allowance for doubtful accounts
    (162 )     (437 )     (174 )     (470 )
Equity in earnings of affiliates
    (83,144 )     (55,943 )     (89,402 )     (60,154 )
Gain on disposal of investment assets
    (26,975 )     (196,523 )     (29,005 )     (211,314 )
Gain on disposal of property, equipment and intangible assets
    (4,453 )     (4,645 )     (4,788 )     (4,995 )
Gain on valuation of currency swap
    (16,660 )     (2,545 )     (17,914 )     (2,737 )
Other
    (1,618 )     (73 )     (1,741 )     (78 )
 
                       
 
                               
Sub-total
    (133,257 )     (260,309 )     (143,287 )     (279,902 )
 
                       
 
                               
Changes in assets and liabilities related to
                               
operating activities :
                               
Accounts receivable — trade
    (146,225 )     (149,119 )     (157,231 )     (160,343 )
Accounts receivable — other
    59,964       30,011       64,477       32,270  
Inventories
    (9,971 )     4,975       (10,722 )     5,349  
Prepaid expenses
    60,271       10,504       64,808       11,295  
Accrued income and other
    12,712       (14,553 )     13,668       (15,648 )
Accounts payable
    136,443       (98,890 )     146,713       (106,333 )
Income taxes payable
    (45,536 )     90,245       (48,963 )     97,038  
Accrued expenses
    38,824       (16,125 )     41,746       (17,339 )
Withholdings
    122,834       16,863       132,080       18,132  
Current portion of subscription deposits
    885       1,471       952       1,582  
Advance receipts and other
    17,290       (25,649 )     18,591       (27,581 )
Deferred income taxes
    (65,081 )     4,511       (69,980 )     4,851  
Severance indemnity payments
    (259,870 )     (21,985 )     (279,430 )     (23,640 )
Deposits for group severance indemnities and other deposits
    163,184       (31,742 )     175,468       (34,131 )
Dividend received from affiliate
    1,318       785       1,417       844  
 
                       
 
                               
Sub-total
    87,042       (198,698 )     93,594       (213,654 )
 
                       
 
                               
Net Cash Provided by Operating Activities
    3,490,058       3,344,319       3,752,751       3,596,041  
 
                       
(Continued)

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SK TELECOM CO., LTD.
NON-CONSOLIDATED STATEMENTS OF CASH FLOWS (CONTINUED)
YEARS ENDED DECEMBER 31, 2006 AND 2005
                                 
    Korean won     Translation into U.S. dollars (Note 2)  
    2006     2005     2006     2005  
    (In millions)     (In thousands)  
CASH FLOWS FROM INVESTING ACTIVITIES :
                               
Cash inflows from investing activities :
                               
Decrease in short-term financial instruments
  W 12,246     W     $ 13,168     $  
Decrease in long-term financial instruments
    3             3        
Disposal of trading securities
    80,061             86,087        
Decrease in current portion of long-term investment
          53,600             57,634  
 
                               
Collection of short-term loans
    93,410       60,258       100,441       64,794  
Proceeds from sales of long-term investment securities
    304,629       16,986       327,558       18,265  
Proceeds from sales of equity securities accounted
                           
 
    108,470       296,126       116,634       318,415  
 
                               
Decrease in guarantee deposits
    30,054       132,298       32,316       142,256  
Decrease in other non-current assets
    11,030       34,827       11,860       37,448  
Proceeds from disposal of property and equipment
    13,731       33,928       14,765       36,482  
Proceeds from disposal of intangible assets
    1,362       57       1,465       61  
 
                       
 
                               
Sub-total
    654,996       628,080       704,297       675,355  
 
                       
 
                               
Cash outflows for investing activities :
                               
Increase in short-term financial instruments
          (55,361 )           (59,528 )
Increase of trading securities
          (104,973 )           (112,874 )
Extension in short-term loans
    (86,743 )     (55,808 )     (93,272 )     (60,009 )
Extension in long-term loans
    (11,083 )     (3,571 )     (11,917 )     (3,840 )
Increase in long-term financial instruments
    (10,000 )     (1,137 )     (10,753 )     (1,223 )
Acquisition of long-term investment securities
    (1,069,172 )     (309,215 )     (1,149,647 )     (332,489 )
Acquisition of equity securities accounted for using
    (217,793 )     (254,699 )     (234,186 )     (273,870 )
 
                               
Increase in guarantee deposits and other non-current
    (131,662 )     (96,365 )     (141,573 )     (103,618 )
 
                               
Acquisition of property and equipment
    (1,466,932 )     (1,383,145 )     (1,577,346 )     (1,487,253 )
Increase in intangible assets
    (52,603 )     (188,676 )     (56,562 )     (202,877 )
 
                       
 
                               
Sub-total
    (3,045,988 )     (2,452,950 )     (3,275,256 )     (2,637,581 )
 
                       
 
                               
Net Cash Used in Investing Activities
    (2,390,992 )     (1,824,870 )     (2,570,959 )     (1,962,226 )
 
                       
 
                               
CASH FLOWS FROM FINANCING ACTIVITIES :
                               
Cash inflows from financing activities :
                               
Issuance of bonds
  W 384,990     W 193,683     $ 413,968     $ 208,261  
Proceeds from long-term borrowings
    294,800             316,989        
Increase in guarantee deposits received and other
    3,370       24,392       3,624       26,228  
 
                       
 
                               
Sub-total
    683,160       218,075       734,581       234,489  
 
                       
 
                               
Cash outflows for financing activities :
                               
Repayment of short-term borrowings
          (400,000 )           (430,108 )
Repayment of current portion of long-term debt
    (814,704 )     (500,000 )     (876,026 )     (537,634 )
Payment of dividends
    (662,815 )     (758,192 )     (712,704 )     (815,260 )
Decrease in facility deposits
    (2,630 )     (7,670 )     (2,828 )     (8,247 )
Acquisition of treasury stock(Note 15)
    (209,077 )           (224,814 )      
Other
    (3,666 )     (32,862 )     (3,943 )     (35,335 )
 
                       
 
                               
Sub-total
    (1,692,892 )     (1,698,724 )     (1,820,315 )     (1,826,584 )
 
                       
 
                               
Net Cash Used in Financing Activities
    (1,009,732 )     (1,480,649 )     (1,085,734 )     (1,592,095 )
 
                       
 
                               
NET INCREASE IN CASH AND CASH EQUIVALENTS
    89,334       38,800       96,058       41,720  
 
                               
CASH AND CASH EQUIVALENTS AT BEGINNING OF THE PERIOD
    151,766       112,966       163,189       121,469  
 
                       
 
                               
CASH AND CASH EQUIVALENTS AT END OF THE PERIOD
  W 241,100     W 151,766     $ 259,247     $ 163,189  
 
                       
See accompanying notes to non-consolidated financial statements.

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SK TELECOM CO., LTD.
NOTES TO NON-CONSOLIDATED FINANCIAL STATEMENTS
YEARS ENDED DECEMBER 31, 2006 AND 2005
1.   GENERAL
 
    SK Telecom Co., Ltd. (the “Company”) was incorporated in March 1984 under the laws of Korea to engage in providing nationwide cellular telephone communication services in the Republic of Korea. The Company’s common shares and depositary receipts (DRs) are listed on the Stock Market of Korea Exchange (formerly “Korea Stock Exchange”) and the New York and London Stock Exchanges, respectively. As of December 31, 2006, the Company’s total issued shares are held by the following :
                 
            Percentage of
    Number of shares   total shares issued (%)
SK Group
    18,748,452       23.09  
POSCO Corp.
    2,341,569       2.88  
Institutional investors and other minority shareholders
    51,577,438       63.53  
Treasury stock
    8,526,252       10.50  
 
               
 
               
 
    81,193,711       100.00  
 
               
2.   SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
    The accompanying non-consolidated financial statements of the Company have been prepared in accordance with Korean Financial Accounting Standards and Statements of Korean Accounting Standards (“SKAS”) No, 1 through No. 20 (except for No. 11 and No. 14). The accompanying non-consolidated financial statements were approved by the Company’s board of directors on February 13, 2007. Significant accounting policies followed in preparing the accompanying non-consolidated financial statements are summarized as follows.
  a.   Basis of Presentation
 
      The accompanying non-consolidated statutory financial statements have been prepared in the Korean language (Hangul) in conformity with the accounting principles generally accepted in the Republic of Korea (“Korean GAAP”). Certain accounting principles applied by the Company that conform with financial accounting standards and accounting principles in the Republic of Korea may not conform with accounting principles generally accepted in other countries. Accordingly, these financial statements are intended for use by those who are informed about Korean accounting principles and practices. The accompanying non-consolidated financial statements have been condensed, restructured and translated into English with certain expanded descriptions from the Korean language financial statements. Certain information included in the Korean language financial statements, but not required for a fair presentation of the Company’s financial position, results of operations or cash flows, is not presented in the accompanying non-consolidated financial statements.
 
      The official accounting records of the Company are maintained and expressed in Korean won, the currency of the country in which the Company is incorporated and operates. The translation of Korean won amounts into U.S. dollar amounts are included solely for the convenience of readers outside of the Republic of Korea and have been made at the rate of W930.0 to US$1, the Noon Buying Rate in the City of New York for cable transfers in Korean won as certified for customs purposes by the Federal Reserve Bank of New York on the last business day of the year ended December 31, 2006. Such translations into U.S. dollars should not be construed as representations that the Korean won amounts could be converted into U.S. dollars at the above or any other rate.

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  b.   Adoptions of New Statements of Korea Accounting Standards (“SKAS”)
 
      On January 1, 2006, the Company adopted SKAS No. 18 through No. 20, which are effective from the fiscal year beginning after December 31, 2005. Such adoption of SKASs did not have an effect on the non-consolidated financial position of the Company as of December 31, 2006 and 2005 or the non-consolidated ordinary income and net income of the Company for the years then ended.
 
  c.   Cash Equivalents
 
      Cash equivalents are highly liquid investments and short term financial instruments, which are readily convertible without significant transaction cost, do not have significant risk of changes in interest rates, and with original maturities of three months or less.
 
  d.   Allowance for Doubtful Accounts
 
      Allowance for doubtful accounts is provided based on the estimated collectibility of individual accounts and historical bad debt experience.
 
  e.   Inventories
 
      Inventories, which consist mainly of replacement units for wireless telecommunication facilities and supplies for sales promotion, are stated at the lower of cost or market value, with cost determined using the moving average method. The Company maintains perpetual inventory systems, which are adjusted to physical inventory counts performed at fiscal year end. When the market value of inventories is less than the acquisition cost, the carrying amount is reduced to the market value and any difference is charged to current operations as operating expenses. There was no such loss for the years ended December 31, 2006 and 2005.
 
  f.   Securities (excluding securities accounted for using the equity method of accounting)
 
      Debt and equity securities are initially recorded at their acquisition costs (fair value of considerations paid) including incidental cost incurred in connection with acquisition of the related securities and classified into trading, available-for-sale and held-to-maturity securities depending on the acquisition purpose and nature.
 
      Trading securities are stated at fair value with gains or losses on valuation reflected in current operations.
 
      Securities classified as available-for-sale are reported at fair value. Unrealized gains or losses on valuation of available-for-sale securities are included in capital adjustments and the unrealized gains or losses are reflected in net income when the securities are sold or if impairment is other than temporary. Equity securities are stated at acquisition cost if fair value cannot be reliably measured. If the declines in the fair value of individual available-for-sale securities below their acquisition or amortized cost are other than temporary and there is objective evidence of impairment, write-downs of the individual securities are recorded to reduce the carrying value to their fair value. The related write-downs are recorded in current operations as a loss on impairment of investment securities.
 
      Held-to-maturity securities are presented at acquisition cost after premiums or discounts are amortized or accreted, respectively. The Company recognizes write-downs resulting from other-than-temporary declines in the fair value below its book value on the balance sheet date if there is objective evidence of impairment. The related write-downs are recorded in current operations as a loss on impairment of investment securities.

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      Trading securities are presented in the current asset section of the balance sheet, and available-for-sales and held-to-maturity securities are presented in the current asset section of the balance sheet if their maturities are within one year; otherwise such securities are recorded in the non-current section of the balance sheet.
  g.   Equity Securities Accounted for Using the Equity Method
 
      Investment securities of affiliated companies, in which the Company has the ability to exercise significant influence, are carried using the equity method of accounting, whereby the Company’s initial investment is recorded at cost and the carrying value is subsequently increased or decreased to reflect the Company’s portion of stockholders’ equity of the investee. Differences between the purchase cost and the acquisition date net asset fair value of the investee are amortized over 5 to 20 years using the straight-line method. When applying the equity method of accounting, unrealized inter-company gains and losses are eliminated (See Note 4). In addition, the Company provides for additional losses for those investments accounted for using the equity method that are reduced to zero to the extent that the Company has other investment assets related to the equity method investees.
 
      When the Company’s share of equity interest in the equity method investees increases as a result of capital transactions of the investees with (or without) consideration, the increase in the Company’s proportionate shares in the investees are treated as goodwill or negative goodwill and when the Company’s share of equity interest in the equity method investees decreases as a result of capital transactions of the investees with (or without) consideration, the decrease in the Company’s proportionate shares in the investees are accounted for as gain or loss on disposal. However, if equity method investees are subsidiaries, such differences in the Company’s proportionate shares in the investees are accounted for as capital adjustments of affiliates in the Company’s shareholders’ equity.
 
      In translating the foreign currency statements of the Company’s investees operating overseas, the Company applies (a) the foreign exchange rate at the balance sheet date to the investee’s balance sheet items (except historical rates applied for shareholders’ equity), and (b) the average foreign exchange rate for the current period for income statements items. After translating the balance sheet and income statements items as noted above, the Company’s portion of the amount after deducting the translated total liabilities from translated total assets and equity is recorded as capital adjustment of affiliates in the Company’s shareholders’ equity.
 
  h.   Property and Equipment
 
      Property and equipment are stated at cost. Major renewals and betterments, which prolong the useful life or enhance the value of assets, are capitalized. Expenditures for maintenance and repairs are charged to expense as incurred.
 
      Depreciation is computed using the declining balance method (except for buildings and structures acquired on or after January 1, 1995 which are depreciated using the straight-line method) over the estimated useful lives (4 ~ 30 years) of the related assets (See Note 6).
 
      Interest expense and other financing charges for borrowings related to the manufacture or construction of property and equipment are charged to current operations as incurred.

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  i.   Intangible Assets
 
      Intangible assets are recorded at cost, less amortization computed using the straight-line method over 5 to 20 years. The amortization for the years ended December 31, 2006 and 2005 were W366,516 million and W329,360 million, respectively.
 
      With its application for a license to provide IMT 2000 service, the Company has a commitment to pay W1,300,000 million to the Ministry of Information Communication (“MIC”). W650,000 million was paid in March 2001 by SK IMT Co., Ltd. (a former subsidiary of the Company), which was merged into the Company on May 1, 2003, and the remainder is required to be paid over 10 years with an annual interest rate equal to the 3-year-maturity government bond rate minus 0.75% (4.04% as of December 31, 2006). The future payment obligations are W90,000 million (related present value discount: W557 million) in 2007, W110,000 million in 2008, W130,000 million in 2009, W150,000 million in 2010 and W170,000 million in 2011. On December 4, 2001, SK IMT Co., Ltd. received the IMT 2000 license from MIC, and recorded the total license cost as an intangible asset. As a result of the merger with SK IMT Co., Ltd., the Company acquired such IMT license of W1,259,253 million and assumed the related long-term payable with a principal amount of W650,000 million on May 1, 2003 (the date of merger). Amortization of the IMT license commenced when the Company started its commercial IMT 2000 service in December 2003, using the straight-line method over the estimated useful life of the IMT license which expires in December 2016. As of December 31, 2006, the present value discount related to the current portion and long-term portion of payments to be made to MIC totaled W557 million and W42,461 million, respectively.
 
  j.   Impairment Losses
 
      When the recoverable amount of assets (that are not recorded at fair value) including investment assets (except for trading and available for sale investments in listed companies), property and equipment, and intangible assets is significantly less than the carrying value due to obsolescence, physical damage, decline in market value or other causes, the carrying value is reduced to the recoverable amount and any difference is charged to current operation as an impairment loss. The Company recorded such impairment loss of W 6,866 million and nil during the years ended December 31, 2006 and 2005, respectively.
 
  k.   Convertible Bonds
 
      The proceeds from issuance of convertible bonds are allocated between the conversion rights and the debt issued; and the portion allocable to the conversion rights is accounted for as capital surplus with a corresponding conversion right adjustment deducted from the related bonds. Such conversion right adjustment is amortized to interest expense using the effective interest rate method over the redemption period of the convertible bonds. The portion allocable to the conversion rights is measured by deducting the present value of the debt at time of issuance from the gross proceeds from issuance of convertible bonds, with the present value of the debt being computed by discounting the expected future cash flows (including call premium, if any) using the effective interest rate applied to ordinary or straight debt of the Company at the issue date.
 
  l.   Discounts on Bonds
 
      Discounts on bonds are amortized to interest expense using the effective interest rate method over the redemption period of the bonds.

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  m.   Valuation of Long-term Payables
 
      Long-term payables resulting from long-term installment transactions are stated at the present value of the expected future cash flows. Imputed interest amounts are recorded in present value discount accounts which are deducted directly from the related nominal payable balances. Such imputed interest is included in operations using the effective interest rate method over the redemption period.
 
  n.   Provisions, Contingent Liabilities and Contingent Assets
 
      The Company recognizes a provision when i) it has a present obligation as a result of a past event, ii) it is probable that a disbursement of economic resources will be required to settle the obligation, and iii) a reliable estimate can be made of the amount of the obligation (See Note 23).
 
      The Company does not recognize the following contingent obligations as liabilities:
    Possible obligations related to past events, for which the existence of a liability can only be confirmed upon occurrence of uncertain future event or events outside the control of the Company.
 
    Present obligations arising out of past events or transactions, for which i) a disbursement of economic resources to fulfill such obligations is not probable or ii) a disbursement of economic resources is probable, but the related amount cannot be reasonably estimated.
In addition, the Company does not recognize potential assets related to past events or transactions, for which the existence of an asset or future benefit can only be confirmed upon occurrence of uncertain future event or events outside the control of the Company.
  o.   Accrued Severance Indemnities
 
      In accordance with the Company’s policy, all employees with more than one year of service are entitled to receive severance indemnities upon termination of their employment based on length of service and rate of pay. Accruals for severance indemnities are recorded to approximate the amount required to be paid if all employees were to terminate at the balance sheet date.
 
      The Company has deposits with insurance companies to fund the portion of the employees’ severance indemnities which is in excess of the tax deductible amount allowed under the Corporate Income Tax Law, in order to take advantage of the additional tax deductibility for such funding. Such deposits with outside insurance companies, where the beneficiaries are the Company’s employees, totaling
W 23,895 million and W 187,103 million as of December 31, 2006 and 2005, respectively, are deducted from accrued severance indemnities.
 
      In accordance with the Korean National Pension Fund Law, the Company transferred a portion of its accrued severance indemnities to the National Pension Fund through March 1999. Such transfers, amounting to W 50 million and W 5,172 million as of December 31, 2006 and 2005, respectively, are deducted from accrued severance indemnities.
 
      Actual payment of severance indemnities amounted to W 259,870 million and W 21,985 million for the years ended December 31, 2006 and 2005, respectively.
 
      Effective March 31, 2006, the Company changed its policy for the severance indemnities applicable to those employees who joined the Company before or on December 31, 2002 from cumulative method,

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      where employees are entitled to get paid more than one month of salary each year depending on the length of service, to simple multiplier method, where employees are paid one month of salary each year regardless of their service period in accordance with the resolution of the Company’s joint labor- management conference held on March 16, 2006. As a result of such policy change, the Company has decided to distribute early settlements to those eligible employees on their accumulated severance indemnities as of March 31, 2006 on a mandatory basis. In addition, the Company paid the additional bonuses of W 125,890 million for those employees who received the mandatory distribution for their early settlement as compensation for those employees. The Company recorded such compensation costs as special severance indemnities in other expenses for the year ended December 31, 2006. In addition, the Company executed the early retirement program and the related special bonus of W 18,131 million were paid to eligible employees and accounted for as special severance indemnities in other expenses for the year ended December 31, 2006.
 
  p.   Accounting for Employee Stock Option Compensation Plan
 
      The Company adopted the fair value based method of accounting for its employee stock option compensation plan (See Note 16). Under the fair value based method, compensation cost is measured at the grant date based on the value of the award and is recognized over the service period. For stock options, fair value is determined using an option-pricing model that takes into account the stock price at the grant date, the exercise price, the expected life of the option, the volatility of the underlying stock, expected dividends and the current risk-free interest rate for the expected life of the option. However, as permitted under Korean GAAP, the Company excludes the volatility factor in estimating the value of its stock options granted before December 31, 2003, which results in measurement at minimum value. The total compensation cost of an option estimated at the grant date is not subsequently adjusted for changes in the price of the underlying stock or its volatility, the actual life of the option, dividends on the stock, or the risk-free interest rate. In addition, recognized compensation costs related to stock options expired due to such stock options not being exercised within the exercisable period are transferred to other capital surplus from capital adjustments (See Note 13).
 
  q.   Accounting for Leases
 
      Lease agreements that include a bargain purchase option, result in the transfer of ownership at the end of the lease term, have a lease term equal to 75% or more of the estimated economic life of the leased property or where the present value of minimum lease payments equals or exceeds 90% of the fair value of the leased property, are accounted for as capital leases. All other leases are accounted for as operating leases.
 
      Assets and liabilities related to capital leases are recorded as property and equipment and obligations under capital leases, respectively, and the related interest is calculated using the effective interest rate method and charged to other expenses. For operating leases, the future minimum lease payments are expensed ratably over the lease term while contingent rentals are expensed as incurred (See Note 11).
 
  r.   Research and Development Costs
 
      The Company charges substantially all research and development costs to expense as incurred. The Company incurred internal research and development costs of W211,752 million and W204,698 million for the years ended December 31, 2006 and 2005, respectively. In addition, external research and development costs were W66,055 million and W68,526 million for the years ended December 31, 2006 and 2005, respectively.

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  s.   Accounting for Foreign Currency Transactions and Translation
 
      Transactions denominated in foreign currencies are recorded in Korean won based on the prevailing rate of exchange at the dates of transactions. Monetary assets and liabilities denominated in foreign currency are translated into Korean won at the Base Rates announced by Seoul Money Brokerage Services, Ltd. on the balance sheet date, which were W929.60 and W1,013.00 to US$1.00 at December 31, 2006 and 2005, respectively. The resulting gains or losses arising from the translation or settlement of such assets and liabilities are included in current operations.
 
  t.   Derivative Instruments
 
      The Company records rights and obligations arising from derivative instruments as assets and liabilities, which are stated at fair value. The gains and losses that result from the change in the fair value of derivative instruments are reported in current earnings. However, for derivative instruments designated as hedging the exposure of variable cash flows, the effective portions of the gains or losses on the hedging instruments are recorded as a separate component of stockholders’ equity and credited/charged to operations at the time the hedged transactions affect earnings, and the ineffective portions of the gains or losses are credited/charged immediately to operations.
 
  u.   Revenue Recognitions
 
      Operating revenue is recognized when cellular telephone communication services are provided.
 
  v.   Income Taxes
 
      Income tax expense is determined by adding or deducting the total income tax and surtaxes to be paid for the current period and the changes in deferred income tax assets and liabilities.
 
      Deferred tax is recognized on differences between the carrying amounts of assets and liabilities in the financial statements and the corresponding tax bases used in the computation of taxable profits. Deferred tax liabilities are generally recognized for all taxable temporary differences with some exceptions and deferred tax assets are recognized to the extent that it is probable that taxable profits will be available against which the deductible temporary differences can be utilized. The carrying amount of deferred tax assets is reduced to the extent that it is no longer probable that sufficient taxable profits will be available to allow all or part of the assets to be recovered. Deferred income tax assets and liabilities are classified into current and non-current based on the classification of related assets or liabilities for financial reporting purposes (See Note 17).
 
  w.   Handset Subsidiaries to Long-term Mobile Subscribers
 
      Effective March 27, 2006, the Telecommunication Law of Korea was revised to allow wireless carriers to provide handset subsidiaries to customers who have maintained their wireless account with the same carrier for 18 months or longer. The Company commenced its handset subsidy program on the effective date of the revised Telecommunications Law and included a clause in the service contract which allows the Company to change the terms of its subsidy program, including the Company’s ability to terminate the program at any time after a thirty day notice to its customers. The Company charges such handset subsidiaries to commissions paid as the related payments are made.

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  x.   Reclassifications
 
      Certain reclassifications have been made in prior period’s financial statements to conform to classifications used in the current period. Such reclassifications did not have an effect on the previously reported net assets as of December 31, 2005 and ordinary income and net income for the year ended December 31, 2005.
3.   INVESTMENT SECURITIES
  a.   Trading Securities
 
      Trading securities as of December 31, 2006 and December 31, 2005 are as follows (in millions of Korean won) :
                                 
          December 31, 2005  
    December 31, 2006     Fair value and  
    Acquisition cost     Fair value     Carrying amount     carrying amount  
Beneficiary certificates
  W 665,299     W 665,299     W 665,299     W 745,360  
 
                       
  b.   Long-term Investment Securities
 
      Long-term investment securities as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
    December 31, 2006     December 31, 2005  
Available-for-sale equity securities
  W 992,455     W 907,069  
Available-for-sale debt securities
    1,383,969       296,264  
 
           
 
               
Total
    2,376,424       1,203,333  
Less current portion
    (156 )      
 
           
 
               
Long-term portion
  W 2,376,268     W 1,203,333  
 
           

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      b-(1). Available-for-sale Equity Securities
 
                Available-for-sale equity securities as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                                         
                                               
    Number of             Acquisition     Fair value                      
    Shares     percentage     cost at     at                      
    at Dec. 31,     (%) at Dec.     Dec. 31,     Dec 31,             Carrying amount  
    2006     31, 2006     2006     2006             2006     2005  
(Investments in listed companies)
                                                       
Digital Chosunilbo Co., Ltd.
    2,890,630       7.8     W 5,781     W 5,897             W 5,897     W 5,796  
hanarotelecom incorporated
    11,045,000       4.8       121,677       88,581               88,581       56,440  
KRTnet Corporation (Formerly Korea Radio Wave Basestation Management)
    234,150       4.4       1,171       2,517               2,517       2,646  
POSCO
    2,481,310       2.8       332,662       766,725               766,725       501,225  
Comas Interactive Co., Ltd. (Formerly INNOTG Co., Ltd.)
    59,473       0.4       1,695       83               83       83  
eXtended Computing Environment Co., Ltd.
    133,333       3.3       10       876     (note a)     876       10  
 
                                               
Sub-total
                    462,996       864,679               864,679       566,200  
 
                                               
 
                                                       
(Investments in non-listed companies)
                                                       
LG Powercomm Co., Ltd. (Formerly Powercomm Co., Ltd.)
    7,500,000       5.0     W 240,243     W 80,370     (note b)   W 80,370     W 77,130  
Japan MBCO
    54,000       7.3       27,332     (note f)                   27,332  
Eonex Technologies Inc.
    144,000       12.3       3,600     (note c)             4,593       4,593  
The Korea Economic Daily
    2,585,069       13.8       13,964     (note c)             13,964       13,964  
Others
                    122,649     (notes c and d)             25,411       22,815  
 
                                                 
Sub-total
                    407,788                       124,338       145,834  
 
                                                 
 
                                                       
(Investments in funds)
                                                       
Korea IT Fund
                        (note e)                   190,000  
Others
                    3,438     (note c)             3,438       5,035  
 
                                                 
Sub-total
                    3,438                       3,438       195,035  
 
                                                 
 
Total
                  W 874,222                     W 992,455     W 907,069  
 
                                                 
 
     
          (note a)
  The common stocks of eXtended Computing Environment Co., Ltd. were listed on the Korea Securities Dealers Automated Quotation during the year ended December 31, 2006.
 
   
          (note b)
  The Company recorded its investments in common stock of LG Powercomm Co., Ltd. at its fair value, which was estimated by an outside professional valuation company using the present value of expected future cash flows and the unrealized loss on valuation of investments amounting to W115,908 million (net of tax effect of W43,965 million) and W118,257 million (net of tax effect of W44,856 million) as of December 31, 2006 and 2005, respectively, were recorded as a capital adjustment.

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          (note c)
  As a reasonable estimate of fair value could not be made, the investment is stated at acquisition cost. The investment in common stock of Eonex Technologies Inc. was reclassified to available-for-sale securities from equity securities accounted for using the equity method during the year ended December 31, 2003, as the Company’s ownership in such investees decreased to less than 20% and the Company no longer exercises significant influence. Such securities were transferred to available-for-sale securities at the carrying amount valued using the equity method of accounting prior to the reclassification.
 
   
          (note d)
  Due to the impairment of the Company’s investments in common stock of TeleMerc.com, the Company recorded impairment loss on such investments of W1,793 million for the year ended December 31, 2005.
 
   
          (note e)
  The investment in Korea IT Fund was reclassified to equity securities accounted for using the equity method during the year ended December 31, 2006 as the Company has the ability to exercise significant influence on the investee.
 
   
          (note f)
  Due to the impairment of the Company’s investments in common stock of Japan MBCO, the Company recorded impairment loss on such investments of W27,332 million for the year ended December 31, 2006.
b-(2).  Available-for-sale Debt Securities
 
      Available-for-sale debt securities as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                             
                Carrying amount  
                December     December  
    Maturity   Acquisition cost     31, 2006     31, 2005  
Public bonds
  (note a)   W 51,305     W 51,300     W 1,590  
Currency stabilization bonds
  (note b)     49,882       49,894       294,674  
Beneficiary certificates (note d)
  2009.10.20     5,000       5,072        
Convertible bonds of Real Telecom Co., Ltd. (note c)
  March, 2007     10,656              
Convertible bonds of China Unicom Ltd. (note e)
  July, 2009     957,055       1,276,703        
Convertible bonds of Eonex Technologies, Inc. (note f)
  Octobor, 2008     1,000       1,000        
 
                     
 
                           
Total
        1,074,898       1,383,969       296,264  
Less current portion
        (156 )     (156 )      
 
                     
 
                           
Long-term available-for-sale debt securities
      W 1,074,742     W 1,383,813     W 296,264  
 
                     
The interest income incurred from available-for-sale debt securities for the years ended December 31, 2006 and 2005 were W7,991 million and W 914 million, respectively.

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(note a)
  The maturities of public bonds as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
Maturity   December 31, 2006     December 31, 2005  
Within one year
  W 156     W  
After one year but within five years
    51,144       1,229  
After five years but within ten years
          361  
 
           
 
 
  W 51,300     W 1,590  
 
           
     
(note b)
  The maturities of currency stabilization bonds as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
Maturity   December 31, 2006     December 31, 2005  
After one year but wthin five years
  W 49,894     W 294,674  
 
           
     
(note c)
  The convertible bonds of Real Telecom Corp. with a principal amount of W10,656 million can be converted into 371,018 shares of common stock of Real Telecom Corp. at W28,721 per share during the period from September 29, 2004 to March 28, 2007. Due to the impairment of such bonds, the Company recorded an impairment loss of W10,656 million prior to December 31, 2004.
 
   
(note d)
  The return on investments in such beneficiary certificates was recorded as interest income.
 
   
(note e)
  On July 5, 2006, the Company purchased zero coupon convertible bonds of China Unicom Ltd. with maturity of three years and principal amount of US$1,000,000,000 for US$1,000,000,000. Such convertible bonds have initial conversion price of US$1.111426 per share of common stock of China Unicom Ltd. The bond holders may redeem their notes at 102.82% of the principal amount on July 5, 2008 (2 years from the issuance date). The conversion right may be exercised during the period from July 5, 2007 to June 29, 2009 and the number of common shares to be converted as of December 31, 2006 is 899,745,075 shares. Unless either previously redeemed or converted, the notes are redeemable at 104.26% of the principal amount at maturity. The Company recorded the convertible bonds of China Unicom Ltd. at its fair value, which was estimated by an outside professional valuation company using Cox, Ross & Rubinstein Model (1979) and discount rate of 5.9138%. If all such bonds are converted, the Company’s equity interest in China Unicom Ltd. will be 6.67%.
 
   
(note f)
  On October 11, 2006, the Company purchased convertible bonds of Eonex Technologies, Inc at face value of W1,000 million. Such convertible bonds can be converted into 7,142 shares of common stock of Eonex Technologies, Inc. at W140,000 per share during the period from April 1, 2007 to October 11, 2008. Unless either previously redeemed or converted, the notes are redeemable at 106% of the principal amount at maturity. If all such bonds are converted, the Company’s equity interest in Eonex Technologies, Inc. will increase to 12.9%.

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  b-(3).   Changes in Unrealized Gains (Losses) on Investments in Common Stock
 
      The changes in unrealized gains (losses) on investments in common stock during the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                 
    For the year ended December 31, 2006  
                    Transferred to        
    Beginning     Increase     realized     Ending  
    balance     (decrease)     gain (loss)     balance  
Available-for-sales securities:
                               
Digital Chosunilbo Co., Ltd.
  W 14     W 101     W     W 115  
hanarotelecom incorporated
    (65,237 )     32,141             (33,096 )
KRTnet Corporation
    1,475       (128 )           1,347  
POSCO
    168,563       265,500             434,063  
Comas Interactive Co., Ltd.
    (1,611 )                 (1,611 )
eXtended Computing Environment Co., Ltd.
          866             866  
LG Powercomm Co., Ltd.
    (163,113 )     3,240             (159,873 )
Eonex Technologies Inc.
    2,011                   2,011  
Currency stabilization bonds
    (218 )     907       (677 )     12  
Public bonds
          (5 )             (5 )
Convertible bonds of China Unicom Ltd.
          319,648             319,648  
 
                       
 
                               
Sub-total
    (58,116 )     622,270       (677 )     563,477  
Less tax effect
    15,982       (171,124 )     186       (154,956 )
 
                       
 
Total
  W (42,134 )   W 451,146     W (491 )   W 408,521  
 
                       
                                 
    For the year ended December 31, 2005  
                    Transferred to        
            Increase     realized     Ending  
    Beginning balance     (decrease)     gain (loss)     balance  
Available-for-sales securities:
                               
Digital Chosunilbo Co., Ltd.
  W (3,758 )   W 3,772     W     W 14  
hanarotelecom incorporated
    (50,657 )     (14,580 )           (65,237 )
KRTnet Corporation
    1,007       468             1,475  
POSCO
    131,343       37,220             168,563  
Comas Interactive Co., Ltd.
    (1,543 )     (68 )           (1,611 )
SINJISOFT Corporation
    460             (460 )      
Cowon System, Inc.
          585       (585 )      
LG Powercomm Co., Ltd.
    (168,678 )     5,565             (163,113 )
Eonex Technologies Inc.
    2,011                   2,011  
WiderThan Co., Ltd.
    (27 )     27              
Currency stabilization bonds
          (218 )             (218 )
 
                       
 
                               
Sub-total
    (89,842 )     32,771       (1,045 )     (58,116 )
Less tax effect
          (9,012 )     287       15,982  
 
                       
 
Total
  W (89,842 )   W 23,759     W (758 )   W (42,134 )
 
                       

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4.   EQUITY SECURITIES ACCOUNTED FOR USING THE EQUITY METHOD
 
    Equity securities accounted for using the equity method of accounting as of December 31, 2006 and 2005 are as follows (In millions of Korean won):
                                                         
    December 31, 2006                
            Ownership                         Carrying Amount  
    Number     percentage     Acquisition     Net asset             December     December  
    of shares     (%)     cost     value             31, 2006     31,2005  
Pantech Co., Ltd.
    25,570,306       22.7     W 26,309     W     (note a)   W     W 55,634  
SK Capital Co., Ltd.
                                          37,501  
SK Communications Co., Ltd.
    7,844,454       85.9       175,441       158,409               177,913       158,170  
SK Telink Co., Ltd.
    943,997       90.8       5,296       86,284               86,284       70,863  
SK C&C Co., Ltd.
    300,000       30.0       19,071       268,089               272,554       198,251  
SK Wyverns Baseball Club Co., Ltd.
    199,997       100.0       1,000                            
STIC Ventures Co., Ltd.
    1,600,000       21.9       8,000       8,651               8,651       8,308  
Paxnet Co., Ltd.
    5,590,452       59.7       26,563       13,643               30,807       27,372  
Global Credit & Information Co., Ltd.
    300,000       50.0       2,410       3,118               3,704       3,276  
TU Media Corp.
    12,922,266       29.6       64,611       6,232               7,016       32,393  
Aircross Co., Ltd.
    600,000       38.1       300       1,713               1,713       970  
WiderThan Co., Ltd.
                                          12,827  
IHQ, Inc.
    13,000,000       34.1       41,846       14,157               38,938       13,935  
Seoul Records, Inc.
    9,582,321       60.0       27,874       23,141               25,995       27,242  
Harex Info Tech, Inc.
    225,000       21.2       3,375       784               1,835       2,568  
SK Mobile
          42.5       10,322       4,643     (note b)     4,643        
SLD Telecom PTE. Ltd.
    180,476,700       73.3       191,273       118,078               118,463       55,358  
Skytel Co., Ltd.
    1,756,400       28.6       2,159       6,009               6,009       4,872  
SK China Company Ltd.
    28,160       20.7       3,195       1,179               93       483  
SK Telecom China Co., Ltd.
    6,150,000       100.0       7,340       6,536               6,536       6,927  
ULand Company Ltd.
    14,100,100       70.1       17,511       2,260               6,761       12,564  
SK Telecom USA Holdings, Inc.
    1,000       100.0       199,047       77,786     (note c)     77,786       103,751  
SK Telecom International, Inc.
    1,099       100.0       17,467       25,146               25,146       25,957  
SK USA, Inc.
    49       49.0       3,184       2,969               2,969       3,353  
Korea IT Fund
            63.3       190,000       193,060     (note d)     193,060        
Centurion IT Investment Association
            37.5       3,000       3,262               3,262       3,635  
1st Music Investment Fund of SK-PVC
            69.3       6,925       7,186               7,186       6,990  
2nd Music Investment Fund of SK-PVC
            79.3       7,925       8,238               8,238       7,966  
SK-KTB Music Investment Fund
            74.3       14,850       15,311               15,311       14,999  
IMM Cinema Fund
            45.6       12,000       11,569               11,569       11,884  
Michigan Global Cinema Fund
            36.4       4,000       3,773               3,773       4,000  
3rd Fund of Isu Entertainment
            31.3       2,500       2,419               2,419       2,500  
SKT-HP Ventures, LLC.
                                            5,272  
Other investments in affiliates
                    13,517             (note e)     13,017       6,083  
 
                                                 
 
                                                       
Total
                  W 1,108,311                     W 1,161,651     W 925,904  
 
                                                 

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(note a)
  Pantech Co., Ltd. requested its creditor banks for a debt restructuring due to deterioration of its liquidity during the three months ended December 31, 2006.
 
   
(note b)
  On March 31 2006, the Company acquired 42.5% interests of common stock of SK Mobile from Pantech Co., Ltd. and others.
 
   
(note c)
  In 2005, the Company incorporated SK Telecom USA Holdings, Inc. with an investment of US$122 million in order to invest in and manage Helio, Inc., a joint venture company in the Untied States of America, which was established in order to provide wireless telecommunication services in the United States of America. In addition, the Company invested an additional US$78.9 million in SK USA Holdings, Inc. for the year ended December 31, 2006 (See Note 25).
 
   
(note d)
  The investment in Korea IT Fund was reclassified to equity securities accounted for using the equity method for the year ended December 31, 2006 as the Company has ability to exercise significant influence on the investee.
 
   
(note e)
  As allowed under Korean GAAP, investments in equity securities of SK Telecom Europe Limited and others were not accounted for using the equity method of accounting, as changes in the Company’s portion of stockholders’ equity of such investees were not expected to be material.

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Details of the changes in investments in affiliates accounted for using the equity method for the years ended December 31, 2006 and 2005 are as follows (In millions of Korean won):
                                                                 
            For the year ended December 31, 2006  
                                    Equity in                      
                                    capital                      
                            Equity in     surplus and             Other        
            Beginning             earnings     capital     Dividend     increase     Ending  
            balance     Acquisition     (losses)     adjustments     received     (decrease)     balance  
Pantech Co., Ltd.
  (note h)   W 55,634     W       (W55,731 )   W 97     W     W     W  
SK Capital Co., Ltd.
  (note b)     37,501             5                   (37,506 )      
SK Communications Co., Ltd.
  (note a)     158,170             14,939       4,804                   177,913  
SK Telink Co., Ltd.
  (note a)     70,863             15,384       37                   86,284  
SK C&C Co., Ltd.
  (notes a and c)     198,251             42,075       33,218       (990 )           272,554  
SK Wyverns Baseball Club Co., Ltd.
  (note a)                 575                          
STIC Ventures Co., Ltd.
  (note a)     8,308             956       (613 )                 8,651  
Paxnet Co., Ltd.
  (note a)     27,372             1,707       1,728                   30,807  
Global Credit & Information Co., Ltd.
  (note a)     3,276             428                         3,704  
TU Media Corp.
  (note a)     32,393             (25,377 )                       7,016  
Aircross Co., Ltd.
  (note a)     970             743                         1,713  
WiderThan Co., Ltd.
  (note d)     12,827             (500 )     (55 )           (12,272 )      
IHQ, Inc.
  (notes a and e)     13,935       27,406       (4,346 )     845             1,098       38,938  
Seoul Records, Inc.
  (note a)     27,242             (1,247 )                       25,995  
Harex Info Tech, Inc.
  (note a)     2,568             (733 )                       1,835  
SK Mobile
  (note a)           10,322       (5,543 )     (136 )                 4,643  
SLD Telecom PTE Ltd.
  (note a)     55,358       97,286       (17,543 )     (16,638 )                 118,463  
Skytel Co., Ltd.
  (notes a and c)     4,872             1,912       (447 )     (328 )           6,009  
SK China Company Ltd.
  (note a)     483             (267 )     (123 )                 93  
SK Telecom China Co., Ltd.
  (note a)     6,927             (291 )     (100 )                 6,536  
ULand Company Limited.
  (note a)     12,564             (6,812 )     1,009                   6,761  
SK Telecom USA Holdings, inc.
  (note a)     103,751       75,833       (92,524 )     (9,274 )                 77,786  
SK Telecom International, Inc.
  (note a)     25,957             1,284       (2,095 )                 25,146  
SK USA, Inc.
  (note a)     3,353             (116 )     (268 )                 2,969  
Korea IT Fund
  (notes a and f)                 2,338       722             190,000       193,060  
Centurion IT Investment Association
  (note a)     3,635             (430 )     57                   3,262  
1st Music Investment Fund of SK-PVC
  (note a)     6,990             196                         7,186  
2nd Music Investment Fund of SK-PVC
  (note a)     7,966             272                         8,238  
SK-KTB Music Investment Fund
  (note a)     14,999             312                         15,311  
IMM Cinema Fund
  (note a)     11,884             (341 )     26                   11,569  
Michigan Global Cinema Fund
  (note a)     4,000             (227 )                       3,773  
3rd Fund of Isu Entertainment
  (note a)     2,500             (81 )                       2,419  
SKT-HP Ventures, LLC
  (note g)     5,272             18                   (5,290 )      
 
                                                 
 
                                                               
Total
          W 919,821     W 210,847       (W128,965 )   W 12,794     (W 1,318 )   W 136,030     W 1,148,634  
 
                                                 

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(note a)
  Investments were recorded using the equity method of accounting based on unaudited and unreviewed financial statements as of and for the year ended December 31, 2006. In order to verify the reliability of such unaudited and unreviewed financial statements, the Company has performed the following procedures and found no significant errors:
  i)   obtained the signature from the chief executive officer of the equity method investee asserting that the unaudited and unreviewed financial statements are accurate
 
  ii)   checked whether the major transactions identified by the Company, including public disclosures, were appropriately reflected in the unaudited and unreviewed financial statements
 
  iii)   performed an analytical review on the unaudited and unreviewed financial statements
     
(note b)
  Investment was fully liquidated due to dissolution of SK Capital Co., Ltd. for the year ended December 31, 2006.
 
(note c)
  The Company received dividends from SK C&C Co., Ltd. and Skytel Co., Ltd. and the corresponding amount was deducted from the carrying amount of equity method securities.
 
(note d)
  The Company sold out all of investments in equity securities of WiderThan Co., Ltd. for the year ended December 31, 2006 and recognized gains on disposal of investment in equity securities of W20,456 million.
 
(note e)
  Other increase in investments in equity securities of IHQ, Inc. represent gains on disposal of investments in equity securities, which have resulted from the dilution of the Company’s ownership as a result of investees’ sale of their unissued shares to third parties.
 
(note f)
  Other increase in investments in Korea IT Fund is the carrying amount transferred from available-for-sale equity securities.
 
(note g)
  Investment was fully liquidated due to dissolution of SKT-HP Ventures, LLC for the year ended December 31, 2006.
 
(note h)
  Investment in equity securities of Pantech Co., Ltd. was recorded using the only estimated net loss provided by Pantech Co., Ltd. because the investee’s financial statements were not determined as of December 31, 2006 as due diligence procedures of credit banks for debt restructuring were in progress.

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            For the year ended December 31, 2005  
                                    Equity in                    
                                    capital                    
                            Equity in     surplus and                    
            Beginning             earnings     capital     Dividend     Other increase     Ending  
            balance     Acquisition     (losses)     adjustments     received     (decrease)     balance  
Pantech Co., Ltd.
  (note a)   W 190,896     W       (W19,404 )   (W 111 )   W       (W115,747 )   W 55,634  
SK Capital Co., Ltd.
            34,891             (523 )     3,133                   37,501  
SK Communications Co., Ltd.
            143,096             12,643       2,431                   158,170  
SK Telink Co., Ltd.
            56,182             14,649       32                   70,863  
SK C&C Co., Ltd.
            201,353             17,501       (20,003 )     (600 )           198,251  
SK Wyverns Baseball Club Co., Ltd.
                        (4,706 )                        
STIC Ventures Co., Ltd.
  (note b)     7,321             (1,135 )     759             1,363       8,308  
Paxnet Co., Ltd.
            25,244             2,128                         27,372  
Global Credit & Information Co., Ltd.
            3,054             222                         3,276  
TU Media Corp.
            34,607       25,611       (27,821 )     (4 )                 32,393  
Aircross Co., Ltd.
            944             26                         970  
WiderThan Co., Ltd.
  (note b)           3,188       1,368       61             8,210       12,827  
IHQ, Inc.
  (note b)           14,440       (560 )     56             (1 )     13,935  
Seoul Records, Inc.
                  27,874       (632 )                       27,242  
Harex Info Tech, Inc.
            3,375             (807 )                       2,568  
SLD Telecom PTE Ltd.
            59,804       4,784       (7,351 )     (1,879 )                 55,358  
Skytel Co., Ltd.
            3,633             1,355       69       (185 )           4,872  
SK China Company Ltd.
            803             (261 )     (59 )                 483  
SK Telecom China Co., Ltd.
            9,212             (2,055 )     (230 )                 6,927  
ULand Company Limited
                  17,511       (4,545 )     (402 )                 12,564  
SK Telecom USA Holdings, inc.
                  123,214       (20,885 )     1,422                   103,751  
SK Telecom International, Inc.
            21,995             4,657       (695 )                 25,957  
SK USA, Inc.
            3,184             560       (391 )                 3,353  
Centurion IT Investment Association
            3,205             430                         3,635  
1st Music Investment
                                                               
Fund of SK-PVC
                  6,925       65                         6,990  
2nd Music Investment Fund of SK-PVC
                  7,925       41                         7,966  
SK-KTB Music Investment Fund
                  14,850       149                         14,999  
IMM Cinema Fund
                  12,000       (116 )                       11,884  
SKT-QC Wireless Development Fund
  (note c)     5,145             1                   (5,146 )      
SKT-HP Ventures, LLC
            5,284             148       (160 )                 5,272  
 
                                                 
 
                                                               
Total
          W 813,228     W 258,322       (W34,858 )   (W 15,971 )   (W 785 )     (W111,321 )   W 913,321  
 
                                                 

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(note a)
  4,542,000 shares of SKY Teletech Co., Ltd. (formerly SK Teletech Co., Ltd.) were sold to Curitel Communications, Inc. and the Company recorded a gain of W175,488 million during the 3rd quarter of 2005. SKY Teletech Co., Ltd was merged into Pantech Co., Ltd. during the 4th quarter of 2005 and the Company’s ownership interest decreased from 29.1% to 22.7%. In addition, the difference between the Company’s portion of the merged company’s equity and the carrying amount at the date of merger of W269 million was recorded as a loss on disposal of investment assets.
 
(note b)
  Other increase (decrease) in investments in equity securities of STIC Ventures Co., Ltd., Widerthan Co., Ltd. and IHQ, Inc. represent gains on disposal of investments in equity securities, which have resulted from the dilution of the Company’s ownership as a result of investees’ sale of their unissued shares to third parties.
 
(note c)
  Investment was fully liquidated due to dissolution of SKT-QC Wireless Development Fund for the year ended December 31, 2005.
Details of changes in the differences between the acquisition cost and net asset value of equity method investees at the acquisition date for the years ended December 31, 2006 and 2005 are as follows (In millions of Korean won):
                                 
    For the year ended December 31, 2006  
    Beginning                     Ending  
    balance     Increase     Amortization     balance  
Pantech Co., Ltd.
  W 793     W     (W 793 )   W  
SK Communications Co., Ltd.
    23,814             (1,397 )     22,417  
SK C&C Co., Ltd.
    4,870             (406 )     4,464  
Paxnet Co., Ltd.
    18,237             (1,073 )     17,164  
Global Credit & Information Co., Ltd.
    628             (41 )     587  
TU Media Corp.
    993             (209 )     784  
IHQ, Inc.
    6,267       22,001       (3,488 )     24,780  
Seoul Records, Inc.
    3,670             (815 )     2,855  
Harex Info Tech, Inc.
    1,402             (351 )     1,051  
SK Mobile
          3,192       (3,192 )      
SLD Telecom PTE. Ltd.
    406             (22 )     384  
ULand Company Ltd.
    3,628       1,132       (258 )     4,502  
 
                       
 
                               
Total
  W 64,708     W 26,325     (W 12,045 )   W 78,988  
 
                       
                                 
    For the year ended December 31, 2005  
    Beginning     Increase/             Ending  
    balance     (Decrease)     Amortization     balance  
Pantech Co., Ltd.
  W 3,286     (W 2,381 )   (W 112 )   W 793  
SK Communications Co., Ltd.
    24,623             (809 )     23,814  
SK C&C Co., Ltd.
    5,276             (406 )     4,870  
Paxnet Co., Ltd.
    19,310             (1,073 )     18,237  
Global Credit & Information Co., Ltd.
    670             (42 )     628  
TU Media Corp.
          1,045       (52 )     993  
IHQ, Inc.
          7,377       (1,110 )     6,267  
Seoul Records, Inc.
          4,078       (408 )     3,670  
Harex Info Tech, Inc.
          1,752       (350 )     1,402  
SLD Telecom PTE. Ltd.
    428             (22 )     406  
ULand Company Ltd.
          3,922       (294 )     3,628  
 
                       
Total
  W 53,593     W 15,793     (W 4,678 )   W 64,708  
 
                       

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Details of changes in unrealized inter-company gains incurred from sales of assets for the years ended December 31, 2006 and 2005 are as follows (In millions of Korean won):
                                 
    For the year ended December 31, 2006  
    Beginning                     Ending  
Subsidiary   balance     Increase     Decrease     balance  
Pantech Co., Ltd.
  W     W 270     (W 270 )   W  
SK Communications Co., Ltd.
    4,016             (1,103 )     2,913  
SK China Company Ltd.
    1,086                   1,086  
 
                       
 
                               
Total
  W 5,102     W 270     (W 1,373 )   W 3,999  
 
                       
                                 
    For the year ended December 31, 2005  
    Beginning                     Ending  
Subsidiary   balance     Increase     Decrease     balance  
SK Communications Co., Ltd.
  W     W 4,459     (W 443 )   W 4,016  
SK China Company Ltd.
    1,206             (120 )     1,086  
 
                       
 
Total
  W 1,206     W 4,459     (W 563 )   W 5,102  
 
                       
Details of market price of the equity securities accounted for using the equity method as of December 31, 2006 are as follows (In millions of Korean won, except for market price per share):
                         
    Market price     Number of        
    per share     shares owned by the        
    (In Korean won)     Company     Market price  
Pantech Co., Ltd.
  W 930       25,570,306     W 23,780  
IHQ, Inc.
    6,810       13,000,000       88,530  
Seoul Records, Inc.
    3,850       9,582,321       36,892  

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The condensed financial information of the investees as of and for the year ended December 31, 2006 is as follows (In millions of Korean won):
                                                 
    Total     Total                             Net  
    assets     liabilities             Revenue             income (loss)  
SK Communications Co., Ltd.
  W 312,743     W 118,748             W 185,489             W 20,094  
SK Telink Co., Ltd.
    146,005       51,331               195,089               18,350  
SK C&C Co., Ltd.
    1,913,535       1,019,904               1,107,910               101,608  
SK Wyverns Baseball Club Co., Ltd.
    3,983       8,177               20,245               941  
STIC Ventures Co., Ltd.
    53,048       13,520               12,248               4,045  
Paxnet Co., Ltd.
    29,009       5,569               40,331               4,166  
Global Credit & Information Co., Ltd.
    11,046       4,810               42,900               939  
TU Media Corp.
    346,463       325,395               88,736               (84,910 )
Aircross Co., Ltd.
    14,996       10,500               21,602               1,959  
IHQ, Inc.
    70,007       26,184               47,447               (4,628 )
Seoul Records, Inc.
    47,561       8,993               31,485               (695 )
Harex Info Tech, Inc.
    4,515       812               4,831               (1,627 )
SK Mobile
    12,003       1,078               1,319               (6,474 )
SLD Telecom PTE Ltd.
    218,827       57,782                             (22,802 )
Skytel Co., Ltd.
    25,801       4,217               17,723               6,308  
SK China Company Ltd.
    6,276       582               4,050               (1,296 )
SK Telecom China Co., Ltd.
    7,438       902               15,310               (13 )
ULand Company Limited
    5,877       2,656               6,778               (8,840 )
SK Telecom USA Holdings, Inc.
    117,867       40,081                             (91,899 )
SK Telecom International, Inc.
    27,894       2,748               13,225               1,786  
SK USA, Inc.
    7,150       1,092               6,394               (84 )
Korea IT Fund
    304,832                     9,123               1,374  
Centurion IT Investment Association
    8,697                     28               495  
1st Music Investment Fund of SK-PVC
    10,433       56               382               276  
2nd Music Investment Fund of SK-PVC
    10,446       52               396               343  
SKT-KTB Music Investment Fund
    20,746       107               587               425  
IMM Cinema Fund
    25,362       7               336               (706 )
Michigan Global Cinema Fund
    10,376                     438               (624 )
3rd Fund of Isu Entertainment
    7,740                     223               (268 )
5. LOANS TO EMPLOYEES
Short-term and long-term loans to employees as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                 
    2006        
    Short-term     Long-term     Total     2005  
Loans to employees’ stock ownership association
  W 2,208     W 5,318     W 7,526     W 14,586  
Loans to employees for housing and other
    77       200       277       433  
 
                       
 
                               
Total
  W 2,285     W 5,518     W 7,803     W 15,019  
 
                       

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6. PROPERTY AND EQUIPMENT
Property and equipment as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                         
    Useful lives              
    (years)     2006     2005  
Land
        W 462,393     W 461,513  
Buildings and structures
    30,15       1,488,824       1,477,838  
Machinery
    6       11,235,472       10,376,529  
Vehicles
    4       21,136       20,442  
Other
    4       956,670       807,534  
Construction in progress
          130,667       264,309  
 
                   
 
                       
 
            14,295,162       13,408,165  
Less accumulated depreciation
            (9,877,050 )     (8,812,282 )
 
                   
 
                       
Property and equipment, net
          W 4,418,112     W 4,595,883  
 
                   
The standard value of land declared by the government as of December 31, 2006 and 2005 are W506,831 million and W412,829 million, respectively.
Details of change in property and equipment for the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                                 
    For the year ended December 31, 2006  
    Beginning                                     Ending  
    balance     Acquisition     Disposal     Transfer     Depreciation     balance  
Land
  W 461,513     W 115       (W645 )   W 1,410     W     W 462,393  
Buildings and structures
    1,145,497       4,620       (824 )     7,539       (55,600 )     1,101,232  
Machinery
    2,429,564       43,869       (8,169 )     1,013,305       (1,132,052 )     2,346,517  
Vehicles
    2,786       1,460       (113 )           (1,792 )     2,341  
Other
    292,214       830,772       (16,319 )     (640,111 )     (91,594 )     374,962  
Construction in progress
    264,309       586,096             (719,738 )           130,667  
 
                                   
 
                                               
Total
  W 4,595,883     W 1,466,932       (W26,070 )     (W337,595 )     (W1,281,038 )   W 4,418,112  
 
                                   
                                                 
    For the year ended December 31, 2005  
    Beginning                                     Ending  
    balance     Acquisition     Disposal     Transfer     Depreciation     balance  
Land
  W 463,656     W 723       (W4,698 )   W 1,832     W     W 461,513  
Buildings and structures
    1,163,069       12,255       (8,095 )     33,425       (55,157 )     1,145,497  
Machinery
    2,585,118       34,334       (18,924 )     992,283       (1,163,247 )     2,429,564  
Vehicles
    4,030       982       (116 )     130       (2,240 )     2,786  
Other
    251,377       754,542       (3,294 )     (626,161 )     (84,250 )     292,214  
Construction in progress
    138,003       580,309             (454,003 )           264,309  
 
                                   
 
                                               
Total
  W 4,605,253     W 1,383,145       (W35,127 )     (W52,494 )     (W1,304,894 )   W 4,595,883  
 
                                   

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7. INTANGIBLE ASSETS
Intangible assets as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                                 
    2006     2005  
    Acquisition     Accumulated     Carrying     Acquisition     Accumulated     Carrying  
    cost     amortization     amounts     Cost     amortization     amounts  
         
Goodwill
  W 2,335,532     (W 643,310 )   W 1,692,222     W 2,335,532     (W 514,648 )   W 1,820,884  
Frequency use rights
    1,385,120       (308,287 )     1,076,833       1,384,433       (200,141 )     1,184,292  
Software development costs
    231,318       (190,611 )     40,707       221,913       (160,657 )     61,256  
Computer software
    858,375       (303,272 )     555,103       489,807       (210,049 )     279,758  
Other
    109,753       (69,459 )     40,294       103,974       (63,617 )     40,357  
 
                                   
 
                                               
 
  W 4,920,098     (W 1,514,939 )   W 3,405,159     W 4,535,659     (W 1,149,112 )   W 3,386,547  
 
                                   
Details of changes in intangible assets for the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                                 
    For the year ended December 31, 2006  
    Beginning                                
    balance     Increase     Decrease     Transfer     Amortization     Ending balance  
Goodwill
  W 1,820,884     W     W     W     (W 128,662 )   W 1,692,222  
Frequency use rights
    1,184,292       687                   (108,146 )     1,076,833  
Software development costs
    61,256       65             9,339       (29,953 )     40,707  
Computer software
    279,758       46,157       (914 )     323,644       (93,542 )     555,103  
Other
    40,357       5,694       (63 )     519       (6,213 )     40,294  
 
                                   
 
                                               
 
  W 3,386,547     W 52,603     (W 977 )   W 333,502     (W 366,516 )   W 3,405,159  
 
                                   
                                                 
    For the year ended December 31, 2005  
    Beginning                                
    balance     Increase     Decrease     Transfer     Amortization     Ending balance  
Goodwill
  W 1,949,546     W     W     W     (W 128,662 )   W 1,820,884  
Frequency use rights
    1,163,319       117,380                   (96,407 )     1,184,292  
Software development costs
    100,579       635                   (39,958 )     61,256  
Computer software
    190,745       68,252       (3 )     77,645       (56,881 )     279,758  
Other
    44,430       2,409       (289 )     1,259       (7,452 )     40,357  
 
                                   
 
                                               
 
  W 3,448,619     W 188,676     (W 292 )   W 78,904     (W 329,360 )   W 3,386,547  
 
                                   

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The book value as of December 31, 2006 and residual useful lives of major intangible assets are as follows (In millions of Korean won):
                         
        Amount     Description   Residual useful lives
             
 
   
Goodwill
  W 1,692,222    
Goodwill related to acquisition
  13 years
               
of Shinsegi Telecomm, Inc.
  and 3 months
IMT license
    964,168    
Frequency use rights relating to W-CDMA Service
  (note a)
WiBro license
    105,948    
WiBro Service
  (note b)
DMB license
    6,717    
DMB Service
  9 years and 6 months
    (note a) Amortization of the IMT license commenced when the Company started its commercial IMT 2000 service in December 2003, using the straight-line method over the estimated useful life (13 years) of the IMT license which expires in December 2016.
 
    (note b) The Company purchased the WiBro license from MIC on March 30, 2005. The license period is seven years from the purchase date. Amortization of the WiBro license commenced when the Company started its commercial WiBro services on June 30, 2006 using the straight line basis over the remaining useful life.
8. BONDS PAYABLE
Bonds payable as of December 31, 2006 and 2005 are as follows (in millions of Korean won and thousands of U.S. dollars) :
                                 
            Annual interest              
    Maturity year   rate (%)     2006     2005  
Domestic general bonds
    2006       5.0 - 6.0     W     W 800,000  
    2007       5.0 - 6.0       700,000       700,000  
    2008       5.0       300,000       300,000  
    2009       5.0       300,000       300,000  
    2010       4.0       200,000       200,000  
    2011       3.0       200,000       200,000  
    2013       4.0       200,000        
    2016       5.0       200,000        
Dollar denominated bonds (US$300,000)
    2011       4.25       278,880       303,900  
Convertible bonds (US$304,240)
    2009             356,356       385,885  
 
                           
 
                               
Total
                    2,735,236       3,189,785  
Less discounts on bonds
                    (39,097 )     (40,016 )
Less conversion right adjustments
                    (43,629 )     (65,219 )
Add long-term accrued interest
                    22,910       24,808  
 
                           
 
                               
Net
                    2,675,420       3,109,358  
Less portion due within one year
                    (696,546 )     (795,150 )
 
                           
 
                               
Long-term portion
                  W 1,978,874     W 2,314,208  
 
                           

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All of the above bonds will be paid in full at maturity.
On May 27, 2004, the Company issued zero coupon convertible bonds with a maturity of five years in the principal amount of US$329,450,000 for US$324,923,469, with an initial conversion price of W235,625 per share of the Company’s common stock, which was greater than market value at the date of issuance. Subsequently, the initial conversion price was changed to W217,062 per share in accordance with anti-dilution protection. The Company may redeem their principal amount after 3 years from the issuance date if the market price exceeds 130% of the conversion price during a predetermined period. On the other hand, the bond holders may redeem their notes at 103.81% of the principal amount on May 27, 2007 (3 years from the issuance date). The conversion right may be exercised during the period from July 7, 2004 to May 13, 2009 and the number of common shares to be converted as of December 31, 2006 is 1,649,014 shares. During the year ended December 31, 2006, the conversion price was changed from W218,098 to W217,062 and the number of shares to be converted was changed from 1,677,812 shares to 1,685,816 shares due to the payment of interim dividends in accordance with the resolution of the Company’s board of directors dated July 28, 2006. The number of common shares to be converted decreased to 1,649,014 shares as the convertible bonds with a principal amount of US$6,790,000 were converted into 36,802 shares of treasury stock after such interim dividends were made.
Conversion of notes to common shares may be prohibited under the Telecommunications Law or other legal restrictions which restrains foreign governments, individuals and entities from owning more than 49% of the Company’s voting stock, if this 49% ownership limitation is violated due to the exercise of conversion rights. In this case, the Company will pay a bond holder a cash settlement determined at the average price of one day after a holder exercises its conversion right or the weighted average price for the following five business days. The Company intends to sell treasury shares held in trust by the Company that corresponds to the number of shares of common stock that would have been delivered in the absence of the 49% foreign shareholding restrictions. The Company entered into an agreement with Credit Suisse First Boston International to reduce the effect of fluctuation with respect to cash settlement payments that may be more or less than the proceeds from sales of treasury shares held in trust. Unless either previously redeemed or converted, the notes are redeemable at 106.43% of the principal amount at maturity.
During the year ended December 31, 2006, the convertible bonds with a principal amount of US$25,210,000 were converted into 136,613 shares of treasury stock (See note 15), and the principal amount of the convertible bonds decreased from US$329,450,000 to US$304,240,000. In addition, the consideration for conversion right (capital surplus) decreased by W3,733 million (net of tax effect of W1,416 million) as a result of this conversion.
9. LONG-TERM BORROWINGS
Long-term borrowings as of December 31, 2006 and 2005 are as follows (In millions of Korean won and thousands of U.S. dollars):
                         
        Final   Annual interest        
    Lender   maturity year   rate (%) (note)   2006   2005
Long-term floating rate
discount bill
  Shinhan Bank   June 29, 2010   91 days CD yield + 0.25%   W 200,000     W
Long-term floating rate borrowings
  Calyon Bank   October 10, 2013   6M LIBOR + 0.29%   US$ 50,000     US$—
  DBS Bank       US$ 25,000    
  SMBC       US$ 25,000    
 
                       
 
                       
Total
              US$ 100,000      
 
              W 200,000    
 
                       
 
                       
Equivalent in Korean won
              W 292,960    
Less portion due within one year
                   
 
                       
 
                       
Long-term borrowings
              W 292,960     W
 
                       
The above long-term floating rate discount bill is classified as long-term borrowing as the borrowing is to be rolled-over exceeding 1 year from December 31, 2006 in accordance with the loan agreement.

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  (note)   At December 31, 2006, the 91 days CD yield and the 6M LIBOR rate are 4.86% and 5.37%, respectively.
10.   SUBSCRIPTION DEPOSITS
 
    The Company receives subscription deposits from customers of cellular services at the subscription date. The Company has no obligation to pay interest on subscription deposits but is required to return them to subscribers upon termination of the subscription contract.
 
    Long-term subscription deposits held as of December 31, 2006 and 2005 are as follows (in millions of Korean won except deposit per subscriber amounts) :
                         
    Deposit              
Service type   per subscriber     2006     2005  
Cellular
  W 200,000     W 21,140     W 23,770  
 
                   
The Company offers existing and new cellular subscribers the option of obtaining credit insurance from Seoul Guarantee Insurance Company (“SGIC”) in lieu of the subscription deposits. Existing subscribers who elect this option are refunded their subscription deposits. As a result, the balance of subscription deposits has been decreasing.
11.   LEASES
 
    The Company acquired certain computer equipment and software from SK C&C Co., Ltd. and succeeded certain capital lease agreements between SK C&C Co., Ltd. and HP Financial Service. Details of capital lease assets acquired and liabilities assumed from SK C&C Co., Ltd. as of and for the year ended December 31, 2006 and 2005 are as follows (In millions of Korean won):
                     
        2006     2005  
Acquisition cost  
Office equipment
  W 15,784     W 16,919  
   
Computer software
    7,180       7,625  
   
 
           
   
 
               
   
 
  W 22,964     W 24,544  
   
 
           
   
 
               
Accumulated depreciation  
Office equipment
  W 8,662     W 744  
   
Computer software
    1,555       127  
   
 
           
   
 
               
   
 
  W 10,217     W 871  
   
 
           
   
 
               
Carrying amounts  
Office equipment
  W 7,122     W 16,175  
   
Computer software
    5,625       7,498  
   
 
           
   
 
               
   
 
  W 12,747     W 23,673  
   
 
           
   
 
               
Depreciation expenses  
Office equipment
  W 8,071     W 744  
   
Computer software
    1,437       127  
   
 
           
   
 
               
   
 
  W 9,508     W 871  
   
 
           

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The Company’s minimum future lease payments as of December 31, 2006 are as follows (In millions of Korean won):
                         
    Annual lease payments     Interest     Principal  
2007
  W 8,536       (W339 )   W 8,197  
2008
    1,664       (22 )     1,642  
 
                 
 
                       
Total
  W 10,200       (W361 )     9,839  
 
                   
Less: portion due within one year
                    (8,197 )
 
                     
 
                       
Capital lease liabilities
                  W 1,642  
 
                     
12.   MONETARY ASSETS AND LIABILITIES DENOMINATED IN FOREIGN CURRENCIES
 
    The details of monetary assets and liabilities denominated in foreign currencies (except for bonds payable and long-term borrowings denominated in foreign currencies described in Notes 8 and 9, respectively) as of December 31, 2006 and 2005 are as follows (In millions of Korean won, thousands of U.S. dollars, thousands of HK dollars, thousands of Japanese yen, thousands of Great Britain pounds, thousands of Singapore dollars, thousands of Swiss Franc, thousands of Euros and thousands of Chinese yuan):
                                 
    2006     2005  
    Foreign     Korean won     Foreign     Korean won  
    currencies     equivalent     currencies     equivalent  
Cash and cash equivalents
  US$ 959     W 892     US$ 4,175     W 4,229  
  EUR 2       2     EUR 3       3  
Accounts receivable — trade
  US$ 16,534       15,370     US$ 9,390       9,512  
  EUR 248       303     EUR 248       298  
Accounts receivable — other
  US$ 1,657       1,541     US$ 3,364       3,408  
Guarantee deposits
  US$ 17       16              
  JPY 21,536       168     JPY 16,156       139  
 
                           
 
                               
 
          W 18,292             W 17,589  
 
                           
 
                               
Accounts payable
  US$ 16,046       14,916     US$ 15,633       15,836  
  JPY 18,704       146     JPY 8,498       73  
  HK$ 190       23     HK$ 254       33  
    GBP 48       88       GBP 453       792  
  SG$ 6       3     SG$ 22       13  
  EUR 813       993     EUR 504       604  
  CHF 250       190     CHF 19       15  
  CNY 2       1              
 
                           
 
                               
 
          W 16,360             W 17,366  
 
                           

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13.   CAPITAL STOCK AND CAPITAL SURPLUS
 
    The Company’s capital stock consists entirely of common stock with a par value of W500. The number of authorized and issued shares as of December 31, 2006 and 2005 are as follows :
                 
    2006     2005  
Authorized shares
    220,000,000       220,000,000  
Issued shares
    81,193,711       82,276,711  
Outstanding shares, net of treasury stock
    72,667,459       73,614,296  
Significant changes in capital stock and capital surplus during the years ended December 31, 2006 and 2005 are as follows (In millions of Korean won except for share data)
                         
    Number of shares              
    Issued     Capital stock     Capital surplus  
At January 1, 2005
    82,276,711     W 44,639     W 2,983,166  
Deferred tax liabilities deducted from capital surplus (note a)
                (18,501 )
Transferred from stock options in capital adjustment (note b)
                1,533  
 
                 
 
                       
At December 31, 2005
    82,276,711       44,639       2,966,198  
 
                 
 
                       
Consideration for conversion right (note c)
                (3,733 )
Transferred from stock options in capital adjustment (note d)
                234  
Retirement of treasury stock (note e)
    (1,083,000 )            
 
                 
 
                       
At December 31, 2006
    81,193,711     W 44,639     W 2,962,699  
 
                 
 
(note a)   The tax effects of consideration for conversion rights, which resulted in temporary differences, were deducted directly from related components of stockholders’ equity, pursuant to adoption of SKAS No. 16 for the year ended December 31, 2005.
     
(note b)   During the year ended December 31, 2005, the exercisable period for the stock options representing 17,800 shares, of which recognized compensation costs were W1,533 million, expired and the related stock options of W1,533 million in capital adjustments were transferred to capital surplus in accordance with Korean GAAP [See Note 2 (p)] .
     
(note c)   During the year ended December 31, 2006, the convertible bonds with a face value of US$25,210,000 were converted and the capital surplus amount (in connection with the related conversion rights) decreased by W3,733 million (net of tax effect of W1,416 million).
     
(note d)   During the year ended December 31, 2006, the exercisable period for the stock options representing 43,390 shares, of which recognized compensation costs were W234 million, expired and the related stock options of W234 million in capital adjustments were transferred to capital surplus in accordance with Korean GAAP [See Note 2 (p)] .

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  (note e)   The Company retired 491,000 shares and 592,000 shares of treasury stock on August 17, 2006 and September 29, 2006, respectively, and reduced retained earnings before appropriation in accordance with Korean Commercial laws.
14.   RETAINED EARNINGS
 
    Retained earnings as of December 31, 2006 and 2005 are as follows (In millions of Korean won) :
                 
    2006     2005  
Appropriated
  W 6,679,234     W 5,470,701  
Unappropriated
    1,165,519       1,799,160  
 
           
 
               
 
  W 7,844,753     W 7,269,861  
 
           
The details of appropriated retained earnings as of December 31, 2006 and December 31, 2005 are as follows (In millions of Korean won) :
                 
    2006     2005  
Legal reserve
  W 22,320     W 22,320  
Reserve for improvement of financial structure
    33,000       33,000  
Reserve for loss on disposal of treasury stock
    477,182       477,182  
Reserve for research and manpower development
    880,594       822,061  
Reserve for business expansion
    5,266,138       4,116,138  
 
           
 
               
Total
  W 6,679,234     W 5,470,701  
 
           
  a.   Legal Reserve
 
      The Korean Commercial Code requires the Company to appropriate as a legal reserve at least 10% of cash dividends for each accounting period until the reserve equals 50% of outstanding capital stock. The legal reserve may not be utilized for cash dividends, but may only be used to offset a future deficit, if any, or may be transferred to capital stock.
 
  b.   Reserve for Improvement of Financial Structure
 
      The Financial Control Regulation for listed companies in Korea requires that at least 10% of net income (net of accumulated deficit), and an amount equal to net gain (net of related income taxes, if any) on the disposal of property and equipment be appropriated as a reserve for improvement of financial structure until the ratio of stockholders’ equity to total assets reaches 30%. The reserve for improvement of financial structure may not be utilized for cash dividends, but may only be used to offset a future deficit, if any, or may be transferred to capital stock.

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  c.   Reserves for Loss on Disposal of Treasury Stock and Research and Manpower Development
 
      Reserves for loss on disposal of treasury stock and research and manpower development were appropriated in order to recognize certain tax deductible benefits through the early recognition of future expenditures for tax purposes. These reserves will be unappropriated from appropriated retained earnings in accordance with the relevant tax laws. Such unappropriation will be included in taxable income in the year of unappropriation.
15.   TREASURY STOCK
 
    Upon issuances of stock dividends and new common stock, and the merger with Shinsegi Telecomm, Inc. and SK IMT Co., Ltd., the Company acquired fractional shares totaling 77,970 shares for W6,110 million through 2005. In addition, the Company acquired 8,584,445 shares of treasury stock in the market or through the trust funds for W2,040,995 million through 2005 in order to stabilize the market price of its stock. In addition, during the year ended December 31, 2006, the convertible bonds with a principal amount of US$25,210,000 were converted into 136,163 shares of common stock. Such conversion was settled by the Company by using its treasury stock with carrying value totaling W32,178 million, which resulted in loss on disposal of treasury stock of W7,887 million.
 
    On August 17, 2006, the Company retired 491,000 shares of treasury stock, which were acquired by the Company during the period from August 1, 2006 through August 14, 2006 for W92,518 million in accordance with a resolution of the board of directors dated July 28, 2006.
 
    On September 29, 2006, the Company retired 592,000 shares of treasury stock, which were acquired by the Company during the period from September 4, 2006 through September 27, 2006 for W116,559 million in accordance with a resolution of the board of directors dated August 31, 2006.
 
    In connection with the retired treasury stocks discussed above, the Company reduced its retained earnings before appropriations by W209,077 million in accordance with Korean Commercial law.
 
16.   STOCK OPTIONS
 
    On March 17, 2000, March 16, 2001 and March 8, 2002, in accordance with the approval of its stockholders or its board of directors, the Company granted stock options to its management, representing 17,800 shares at an exercise price of W424,000 per share, 43,820 shares at an exercise price of W211,000 per share and 65,730 shares at an exercise price of W267,000 per share. The stock options will become exercisable after three years from the date of grant and shall be exercisable for two years from the first exercisable date. Upon exercise of stock options, the Company will issue its common stock. If the employees leave the Company within three years after the grant of stock options, such employees forfeit their unvested stock options awarded. Stock options representing 530 shares for which total compensation cost was W3 million were forfeited during the year ended December 31, 2004.
 
    The value of stock options granted is determined using the Black-Scholes option-pricing model, without considering the volatility factor in estimating the value of its stock options, as permitted under Korean GAAP. The following assumptions are used to estimate the fair value of options granted in 2000, 2001 and 2002; risk-free interest rate of 9.1% for 2000, 5.9% for 2001 and 6.2% for 2002; expected life of three years for 2000, 2001 and 2002; expected dividend of W500 per share for 2000, 2001 and 2002. Under these assumptions, total compensation cost, the recognized compensation cost (included in labor cost) for the years ended December 31, 2006 and 2005 and the outstanding balance of stock option in capital adjustment as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :

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            Recognized     Stock options in  
    Total     compensation cost     capital adjustment  
    Compensation                     December 31,     December 31,  
Grant date   cost     2006     2005     2006     2005  
March 17, 2000 (note a)
  W 1,533     W     W     W     W  
March 16, 2001(note b)
    234                         234  
March 8, 2002
    3,246             180       3,246       3,246  
 
                             
 
                                       
 
  W 5,013     W     W 180     W 3,246     W 3,480  
 
                             
 
(note a)   During the year ended December 31, 2005, the exercisable period expired for stock options representing 17,800 shares, for which the Company had recognized compensation cost of W1,533 million. The related capital adjustment of W1,533 million was transferred to capital surplus.
     
(note b)   During the year ended December 31, 2006, the exercisable period expired for stock options representing 43,820 shares, for which the Company had recognized compensation cost of W234 million. The related capital adjustment of W234 million was transferred to capital surplus.
If the Company had not excluded the volatility factor (expected volatility of 66.8% for options granted in 2000, 67.5% for options granted in 2001, and 63.0% for options granted in 2002), the pro forma total compensation cost would be W15,967 million (W3,738 million for options granted in 2000, W3,617 million for options granted in 2001 and W8,613 million for options granted in 2002) and the recognized compensation cost for the year ended December 31, 2006 would be nil, and the pro forma net income and net income per common share for the year ended December 31, 2006, 2005, and 2004 are as follows:
                         
    2006   2005   2004
Pro forma ordinary income (In millions of Korean won)
  W 2,021,643     W 2,554,315     W 2,114,841  
Pro forma ordinary income per share (In Korean won)
    19,734       25,417       20,280  
Pro forma net income (In millions of Korean won)
    1,446,598       1,871,082       1,492,914  
Pro forma net income per share (In Korean won)
    19,734       25,417       20,280  

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17.   INCOME TAXES
  a.   Details of income tax expense
 
      Income tax expense for the years ended December 31, 2006 and 2005 consist of the following (in millions of Korean won) :
                 
    2006     2005  
Current
  W 607,776     W 678,722  
Changes in net deferred tax liabilities (note a)
    (32,731 )     4,511  
 
           
 
               
Income tax expenses
  W 575,045     W 683,233  
 
           
 
(note a)   Changes in net deferred tax liabilities for the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
    2006     2005  
Ending balance of net deferred tax liabilities
  W 490,341     W 348,563  
Beginning balance of net deferred tax liabilities
    (348,563 )     (323,096 )
Adjustment to the beginning net deferred income tax liabilities based on tax return filed
    10,453       8,536  
Tax effect of temporary differences charged or credited directly to related components of stockholders’ equity
    (184,962 )     (29,492 )
 
           
 
               
 
    (W32,731 )   W 4,511  
 
           

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  b.   Reconciling items between accounting income and taxable income
 
      Reconciling items between accounting income and taxable income for the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
    2006     2005  
(Temporary Differences)
               
Additions :
               
Allowance for doubtful accounts
  W 52,228     W 142,420  
Accrued interest income
    3,931       8,823  
Reserves for research and manpower development
    188,000       131,467  
Reserves for loss on disposal of treasury stock
    218,097        
Equity in losses of affiliates
    115,562       94,821  
Loss on impairment of long-term investment securities
    137       1,793  
Accrued expenses
    50,886       17,055  
Depreciation
    52,411       14,826  
Loss on impairment of other assets
    971       7,461  
Loss on valuation of currency swap (capital adjustments)
    9,258       9,151  
Loss on valuation of derivative instruments
    4,695        
Accrued severance indemnities
    20,058       24,879  
Deposits for severance indemnities
    148,610       12,552  
Consideration of conversion right
    21,589       17,027  
Other
    71,617       49,974  
 
           
Sub-total
    958,050       532,249  
 
           
 
               
Deductions:
               
Reserves for research and manpower development
    (180,000 )     (190,000 )
Allowance for doubtful accounts
    (124,184 )     (59,612 )
Depreciation
    (19,594 )     (80,359 )
Accrued interest income
    (8,714 )     (8,331 )
Equity in earnings of affiliates
          (9,387 )
Unrealized gains on valuation of long-term investment securities
    (621,729 )     (47,025 )
Accrued expenses
    (57,066 )     (20,124 )
Loss on impairment of other assets
    (5,109 )     (21,070 )
Gain on valuation of derivative instruments
          (2,545 )
Accrued severance indemnities
    (148,610 )     (12,552 )
Deposits for severance indemnities
    (20,058 )     (24,879 )
Loss on disposal of property assets
    (38,719 )      
Loss on disposal of treasury stock
    (30,092 )      
Other
    (57,728 )     (42,994 )
 
           
Sub-total
    (1,311,603 )     (518,878 )
 
           
Total Temporary Differences
    (353,553 )     13,371  
 
           
 
               
(Permanent Differences)
    869,156       211,489  
 
           
 
               
Total
  W 515,603     W 244,860  
 
           

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  c.   Change in cumulative temporary differences and deferred tax assets (liabilities)
 
      Changes in cumulative temporary differences for the years ended December 31, 2006 and 2005 and deferred tax assets (liabilities) as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                                 
    January 1,     Increase     Decrease     December 31,  
Description   2006     (note a)     (note a)     2006  
Current:
                               
Allowance for doubtful accounts
  W 122,561     W 52,447     W 124,184     W 50,824  
Accrued interest income
    (3,931 )     (4,574 )     (3,931 )     (4,574 )
Accrued expenses
    61,967       51,100       57,066       56,001  
Other
    189,548       (2,696 )     14,683       172,169  
 
                       
 
                               
Total
    370,145       96,277       192,002       274,420  
Temporary differences unlikely to be realized
    (147,774 )           (19,219 )     (128,555 )
 
                       
 
                               
Total current cumulative temporary differences-net
  W 222,371     W 96,277     W 172,783     W 145,865  
 
                       
 
                               
Current deferred tax assets-net (note b)
  W 61,152                     W 40,113  
 
                           
 
                               
Non-current:
                               
Property and equipment
  (W 196,446 )   W 10,128     W 2,217     (W 188,535 )
Loss on impairment of long-term investment securities
    108,145                   108,145  
Loss on impairment of other long-term assets
    7,461       (1,381 )     5,109       971  
Reserves for research and manpower development
    (768,000 )     (180,000 )     (188,000 )     (760,000 )
Reserves for loss on disposal of treasury stock
    (474,081 )           (218,097 )     (255,984 )
Equity in (earnings) losses of affiliates
    (5,025 )     119,239             114,214  
Equity in capital adjustment of affiliates
    (109,468 )     (13,738 )           (123,206 )
Unrealized loss on valuation of long-term investment securities (capital adjustment)
    58,116       (36,351 )     585,242       (563,477 )
Accrued severance indemnities
    148,465       20,203       148,610       20,058  
Deposits for severance indemnities
    (148,465 )     (20,203 )     (148,610 )     (20,058 )
Loss on valuation of currency swap
    13,244       9,258             22,502  
Loss on valuation of currency swap (capital adjustment)
    19,554       4,695             24,249  
Loss on valuation of interest rate swap (capital adjustment)
          454             454  
Considerations for conversion right
    (67,279 )           (5,148 )     (62,131 )
Other
    (10,647 )     84,404       49,193       24,564  
 
                       
 
                               
Total
    (1,424,426 )     (3,292 )     230,516       (1,658,234 )
Temporary differences unlikely to be realized
    (65,447 )     (211,398 )     (6,157 )     (270,688 )
 
                       
 
                               
Total non-current cumulative temporary differences-net
  (W 1,489,873 )   (W 214,690 )   W 224,359     (W 1,928,922 )
 
                       
 
                               
Total non-current deferred tax liabilities-net (note b)
  (W 409,715 )                   (W 530,454 )
 
                           
 
(note a)   These changes include adjustment to reflect the change in accumulated temporary differences based on the prior year tax return.
     
(note b)   The tax rate used in measuring deferred tax assets and liabilities is 27.5%.

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    January 1,                        
    2005                     December 31,  
Description   (note b)     Increase     Decrease     2005  
Current :
                               
Allowance for doubtful accounts
  W 59,622     W 122,551     W 59,612     W 122,561  
Accrued interest income
    (7,796 )     (558 )     (4,423 )     (3,931 )
Accrued expenses
    65,036       17,055       20,124       61,967  
Other
    169,964       24,955       5,371       189,548  
 
                       
 
                               
Total
    286,826     W 164,003     W 80,684       370,145  
Temporary differences unlikely to be realized (note a)
    (128,555 )     (19,219 )           (147,774 )
 
                       
 
                               
Total current cumulative temporary differences-net
  W 158,271       144,784       80,684     W 222,371  
 
                       
 
                               
Current deferred tax assets-net (note c)
  W 43,525                     W 61,152  
 
                           
 
                               
Non-current :
                               
Property and equipment
    (127,822 )     (61,386 )     7,238       (196,446 )
Loss on impairment of long-term investment securities
    106,752       1,393             108,145  
Loss on impairment of other long-term assets
    21,070       7,461       21,070       7,461  
Reserves for research and manpower development
    (709,467 )     (190,000 )     (131,467 )     (768,000 )
Reserves for loss on disposal of treasury stock
    (474,081 )                 (474,081 )
Equity in (earnings) losses of affiliates
    (89,441 )     94,821       10,405       (5,025 )
Equity in capital adjustment of affiliates
          (109,468 )           (109,468 )
Unrealized loss on valuation of long-term investment securities
          58,116             58,116  
Accrued severance indemnities
    139,524       21,493       12,552       148,465  
Deposits for severance indemnities
    (139,524 )     (21,493 )     (12,552 )     (148,465 )
Loss on valuation of derivative instruments
    15,789             2,545       13,244  
Loss on valuation of derivative instruments (capital adjustment)
          19,554             19,554  
Considerations for conversion right
          (67,279 )           (67,279 )
Other
    (122,004 )     186,800       75,443       (10,647 )
 
                       
 
                               
Total
    (1,379,204 )     (59,987 )     (14,766 )     (1,424,426 )
Temporary differences unlikely to be realized (note a)
    46,038       (65,447 )     46,038       (65,447 )
 
                       
 
                               
Total non-current cumulative temporary differences-net
  (W 1,333,166 )     (125,435 )     31,272     (W 1,489,873 )
 
                       
 
                               
Total non-current deferred tax liabilities-net (note c)
  (W 323,096 )                   (W 409,715 )
 
                           
 
(note a)   Through 2004, the tax effects of temporary differences, which are unlikely to be realized, and temporary differences directly adjusted to capital surplus or capital adjustments, such as net unrealized loss on valuation of long-term investment securities, were excluded in determining the net deferred tax assets or liabilities. However, effective January 1, 2005, pursuant to adoption of SKAS No. 16, “Income Taxes”, temporary differences are presented on a gross basis, including temporary differences which are unlikely to be realized. In addition, tax effects of temporary differences related to adjustments made directly to capital surplus or capital adjustments are included in determining the net deferred tax assets or liabilities.
     
(note b)   These changes include adjustment to reflect the change in accumulated temporary differences based on the prior year tax return.
     
(note c)   Effective January 1, 2005, pursuant to adoption of SAKS No. 16 deferred tax assets and liabilities are separated into current and non-current amounts based on the classification of related assets or liabilities for financial reporting purpose. The tax rate used in measuring deferred tax assets and liabilities is 27.5%.

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Deferred tax assets and liabilities before offsetting each other as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
    2006     2005  
Deferred tax assets
  W 93,697     W 192,044  
Deferred tax liabilities
    (584,038 )     (540,607 )
 
           
 
               
Deferred tax assets (liabilities), net
  (W 490,341 )   (W 348,563 )
 
           
 
               
Current, net
  W 40,113     W 61,152  
Non-current, net
  (W 530,454 )   (W 409,715 )
 
           
  d.   Deferred tax assets (liabilities) added to (deducted from) capital surplus or capital adjustments
 
      Deferred tax assets (liabilities) added to (deducted from) capital surplus or capital adjustments as of December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
    2006     2005  
Gains on disposal of treasury stock
    (W38,341 )     (W30,576 )
Considerations for conversion right
    (17,086 )     (18,502 )
Unrealized loss on valuation of long-term investment securities
    (154,956 )     15,982  
Equity in capital adjustment of affiliates, net
    (41,441 )     (32,350 )
Loss on valuation of currency swap
    6,668       5,377  
Loss on valuation of interest rate swap
    125        
 
           
 
               
Total
    (W245,031 )     (W60,069 )
 
           
  e.   Effective tax rate
 
      Effective tax rates for the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won) :
                 
    2006     2005  
Income before income tax expenses
  W 2,021,643     W 2,554,613  
Income tax expenses
    575,045       683,233  
 
           
 
               
Effective tax rate
    28.44 %     26.75 %
 
           

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18.   NET INCOME AND ORDINARY INCOME PER SHARE
 
    The Company’s net income and ordinary income per share amounts for the years ended 2006 and 2005 are computed as follows (In millions of Korean won, except for per share income per share):
 
    Net income and ordinary income per share
                 
    2006     2005  
Net income and ordinary income
  W 1,446,598     W 1,871,380  
Weighted average number of common shares outstanding
    73,305,026       73,614,296  
 
           
 
               
Net income and ordinary income per share (in Korean won)
  W 19,734     W 25,421  
 
           
The weighted average number of common shares outstanding for the years ended December 31, 2006 and 2005 is calculated as follows :
                     
    Number of     Weighted   Weighted  
    shares     number of days   number of shares  
For 2006
                   
Outstanding common stocks at January 1, 2006
    82,276,711     365 / 365     82,276,711  
Treasury stocks at January 1, 2006
    (8,662,415 )   365 / 365     (8,662,415 )
Retirement of treasury stock (note a)
    (1,083,000 )   126 / 365 (note a)     (373,546 )
Conversion of convertible bonds into common stock (note b)
    136,163     172 / 365 (note a)     64,276  
 
               
 
                   
Total
    72,667,459           73,305,026  
 
               
 
                   
For 2005
                   
At January 1, 2005
    82,276,711     365 / 365     82,276,711  
Treasury stock, at the beginning
    (8,662,415 )   365 / 365     (8,662,415 )
 
               
 
                   
Total
    73,614,296           73,614,296  
 
               
 
(note a)   The Company retired treasury stocks which were acquired on two different dates during the year ended December 31, 2006, and weighted number of shares was calculated considering each transaction date.
     
(note b)   Treasury stocks were reissued to settle the conversion of the convertible bonds on several times during the year ended December 31, 2006 and the weighted number of shares was calculated considering each transaction date.

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Diluted net income and ordinary income per share amounts for the years ended December 31, 2006 and 2005 are computed as follows (In millions of Korean won, except for share data):
Diluted net income and ordinary income per share
                 
    2006     2005  
Adjusted net income and ordinary income
  W 1,459,875     W 1,884,435  
Adjusted weighted average number of common shares outstanding
    75,025,926       75,332,996  
 
           
 
               
Diluted net income and ordinary income per share
  W 19,458     W 25,015  
 
           
Adjusted net income and ordinary income per share and the adjusted weighted average number of common shares outstanding for the years ended December 31, 2006 and 2005 are calculated as follows (In millions of Korean won, except for share data):
                 
    2006     2005  
Net income and ordinary income
  W 1,446,598     W 1,871,380  
Effect of stock options (note a)
           
Effect of convertible bonds (note b)
    13,277       13,055  
 
           
 
               
Adjusted net income and ordinary income
  W 1,459,875     W 1,884,435  
 
           
                 
    2006     2005  
Weighted average number of common shares outstanding
    73,305,026       73,614,296  
Effect of stock options (note a)
           
Effect of convertible bonds (note b)
    1,720,900       1,718,700  
 
           
 
               
Adjusted weighted average number of common shares outstanding
    75,025,926       75,332,996  
 
           
 
(note a)   For the years ended December 31, 2006 and 2005, the outstanding stock options did not have a dilutive effect because the exercise price exceeded the average market price of common stock for the years ended December 31, 2006 and 2005, respectively.
     
(note b)   The effect of convertible bonds increased net income related to interest expenses that would not have incurred, and increase in the weighted average number of common shares outstanding related to common shares that would have been issued, assuming that the conversion of convertible bonds were made at the beginning of the period.

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19.   RESTRICTED CASH AND CASH EQUIVALENTS
  a.   At December 31, 2006, the Company has guarantee deposits restricted for its checking accounts totaling W23.5 million and deposits restricted for a charitable trust for the public totaling W10,000 million of which due date is February 8, 2009.
 
  b.   The Company entered into a contract with First Data Corporation to sell the investment in common stock of KMPS Corporation, which was held by the Company and accounted for as available-for-sale securities. At December 31, 2006, certain portion of proceeds from sales of such investment totaling W1,137 million is kept in escrow accounts in accordance with the Escrow Agreement, which is restricted for use until November 16, 2007, the final settlement date, and recorded as short-term deposits.
20.   DIVIDEND DISCLOSURE
 
    Details of dividends which were declared for the years ended December 31, 2006 and 2005 are as follows (in millions of Korean won except for per share data) :
                                     
        Number of shares     Face value              
    Dividend type   outstanding     per share     Dividend ratio     Dividends  
2006  
Cash dividends (interim)
    73,713,657     W 500       200 %   W 73,714  
   
Cash dividends (year-end)
    72,667,459     W 500       1,400 %     508,672  
   
 
                             
   
 
                               
   
Total
                          W 582,386  
   
 
                             
   
 
                               
2005  
Cash dividends (interim)
    73,614,296     W 500       200 %   W 73,614  
   
Cash dividends (year-end)
    73,614,296     W 500       1,600 %     588,914  
   
 
                             
   
 
                               
   
Total
                          W 662,528  
   
 
                             
Dividends payout ratios (including interim dividend) for the years ended December 31, 2006 and 2005 are as follows (In millions of Korean won) :
                 
    2006     2005  
Dividends
  W 582,386     W 662,528  
Net income
    1,446,598       1,871,380  
 
           
 
               
Dividends payout ratio
    40.26 %     35.40 %
 
           
Dividends yield ratios for the years ended December 31, 2006 and 2005 are as follows (in Korean won) :
                 
    2006     2005  
Dividend per share
  W 8,000     W 9,000  
Stock price at the year-end
    222,500       181,000  
 
           
 
               
 
    3.60 %     4.97 %
 
           

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21.   INSURANCE
 
    As of December 31, 2006, certain Company’s assets are insured with local insurance companies as follows (In millions of Korean won and thousands of U.S. dollars):
                     
Insured   Risk   Carrying value     Coverage  
 
              US$ 59,115  
Property and equipment
  Fire and comprehensive liability   W 3,608,844     W 7,617,737  
 
               
 In addition, the Company carries directors and officers liability coverage insurance totaling W 50,000 million.
22.   RELATED PARTY TRANSACTIONS
a. Holding company and subsidiaries
As of December 31, 2006 and December 31, 2005, parent company and subsidiaries of the Company are as follows:
             
        Ownership    
Type   Company   percentage (%)   Types of business
Parent company
  SK Corporation   22.8 (note a)   Manufacturing and selling petrochemicals
Subsidiary
  SK Telink Co., Ltd.   90.8   Telecommunication service
  SK Communications Co., Ltd.   85.9   Internet website services
  SK Wyverns Baseball Club Co., Ltd.   100.0   Business related sports
  Global Credit & Information Co., Ltd.   50.5   Credit and collection services
  PAXNet Co., Ltd.   59.7   Internet website services
  Seoul Records, Inc.   60.0   Release of music disc
  SLD Telecom PTE Ltd.   73.3   Telecommunication service
  SK Telecom China Co., Ltd.   100.0   Telecommunication service
  U-Land Company Ltd   70.1   Network and mobile value added service
  IHQ, Inc.   34.1   Entertainment management
  SK Telecom USA Holdings, Inc.   100.0   Telecommunication service
  SK Telecom International Inc.   100.0   Telecommunication service
  Centurion IT Investment Association   37.5   Investment association
  The First Music Investment Fund of SK-PVC   69.3   Investment association
  The Second Music Investment Fund of SK-PVC   79.3   Investment association
  SK-KTB Music Investment Fund   74.3   Investment association
  IMM Cinema Fund   48.4   Investment association
  Cyworld, Inc.   30.0   Internet website services
  Cyworld Japan Co., Ltd.   30.0   Internet website services
  SK Cyberpass Inc.   70.5 (note b)   Telecommunication service
  YTN Media Inc.,   51.4 (note b)   Broadcasting program production
  Ntreev Soft Co., Ltd   51.0 (note b)   Game program production
  IHQ USA, Inc.   100.0 (note b)   Surveying marketing information
  SK Telecom Europe Ltd.   100.0   Wireless telecommunication related business
  SK Telecom Advanced Tech & Service Center   100.0   Research & Development
  Cyworld Europe GmbH   50.2 (note b)   Internet Website services
  Cyworld China Ltd   100.0 (note b)   Internet Website services
  SK I Media Co., Ltd.   60.0 (note b)   Game Software production

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(note a) The ownership percentage represents parent company’s ownership over the Company.
(note b) The ownership percentage represents subsidiaries’ ownership over their subsidiaries, in which the Company has no direct investment.
b.  Transactions and balances with related parties
 
    Significant related party transactions for the years ended December 31, 2006 and 2005, and account balances as of December 31, 2006 and 2005 are as follows (In millions of Korean won):
 
    b-(1) Transactions
                                                 
    For year ended December 31, 2006     For year ended December 31, 2005  
    Purchases of     Commissions     Commissions     Purchases of     Commissions     Commissions  
    property and     paid and     earned and     property and     paid and     earned and  
    equipment     other expenses     other income     equipment     Other expenses     other income  
Parent Company:
                                               
SK Corporation
  W 2,158     W 37,040     W 12,475     W 1,106     W 44,745     W 8,926  
 
                                               
Subsidiaries:
                                               
SK Communications Co., Ltd.
    1,495       44,321       3,509       132       46,040       1,097  
Global Credit & Information Co., Ltd.
          42,787       1,389             37,549       1,106  
PAXNet Co., Ltd.
          8,985       1,495       90       16,338       2,496  
SK Telink Co., Ltd.
          13,490       26,836             14,908       18,370  
SK Wyverns Baseball Club Co., Ltd
          18,300       488             18,358       628  
Others
    14       27,158       10,534       580       2,679       348  
 
                                               
Equity Method Investees:
                                               
Helio, LLC.
          3       18,243                   11,913  
SK C&C Co., Ltd.
    204,563       284,349       7,732       246,600       321,046       7,854  
TU Media Corp.
    573       1,515       57,301             1,950       22,381  
Others
    3,603       21,184       17,565       252       18,040       1,136  
 
                                               
Others :
                                               
SK Engineering & Construction Co., Ltd.
    235,872       7,086       2,381       257,823       6,593       2,470  
SK Networks Co., Ltd.
    8,018       471,073       11,110       5,857       425,832       12,546  
Innoace Co., Ltd.
    23,986       7,447       218       13,634       2,109       218  
SK Telesys Co., Ltd.
    231,227       6,567       1,673       228,024       5,874       385  
Others
    2,539       17,468       3,946       8,464       42,368       2,512  
 
                                   
 
                                               
Total
  W 714,048     W 1,008,773     W 176,895     W 762,562     W 1,004,429     W 94,386  
 
                                   

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b-(2) Account balances
                                                 
    As of December 31, 2006  
                                            Guarantee  
    Accounts     Short-term     Long-term     Guarantee     Accounts     deposits  
    receivable     loans     loans     deposits     payable     received  
Parent Company:
                                               
SK Corporation
  W 3,560     W     W     W 291     W 7,962     W 6,174  
 
                                               
Subsidiaries:
                                               
SK Communications Co., Ltd.
    535                         7,255       5,459  
SK Wyverns Baseball Club Co., Ltd.
    475       1,150       4,132                    
Global Credit & Information Co., Ltd.
    82                         7,645        
PAXNet Co., Ltd.
    121                         913        
SK Telink Co., Ltd.
    4,352                         2,209       955  
Others
    10,964                         2,237        
 
                                               
Equity Method Investees:
                                               
SK C&C Co., Ltd.
    650                         86,332       346  
Helio, LLC.
    13,335                                
TU Media Corp.
    6,369                         886       3,016  
Others
    4,316                         4,053       226  
 
                                               
Others:
                                               
SK Engineering & Construction Co., Ltd.
    258                         1,635       942  
SK Networks Co., Ltd.
    771                   113       69,546       3,010  
Innoace Co., Ltd.
    1                         13,574       2,291  
SK Telesys Co., Ltd.
    12                         51,531        
Others
    847                   900       12,078        
 
                                   
 
                                               
Total
  W 46,648     W 1,150     W 4,132     W 1,304     W 267,856     W 22,419  
 
                                   
                                                 
    As of December 31, 2005  
                                            Guarantee  
    Accounts     Short-term     Long-term     Guarantee     Accounts     deposits  
    receivable     loans     loans     deposits     payable     received  
Parent Company:
                                               
SK Corporation
  W 1,643     W     W     W 1,307     W 6,767     W 6,174  
 
                                               
Subsidiaries:
                                               
SK Communications Co., Ltd.
    195                         5,891       3,681  
SK Wyverns Baseball Club Co., Ltd.
    527       1,150       4,706                    
Global Credit & Information Co., Ltd.
    70                         6,533        
PAXNet Co., Ltd.
    401                         2,077        
SK Telink Co., Ltd.
    436                         1,179       514  
Others
    2                         2,755       70  
 
                                               
Equity Method Investees:
                                               
WiderThan Co., Ltd.
    4                         17,398        
SK C&C Co., Ltd.
    91                         174,884       346  
Helio, LLC.
    11,914                                
Others
    6,048                         4,154       3,062  
 
                                               
Others:
                                               
SK Engineering & Construction Co., Ltd.
    97                         21,326       942  
SK Networks Co., Ltd.
    1,760                   113       20,465       2,700  
Innoace Co., Ltd.
                            6,100       2,138  
SK Telesys Co., Ltd.
    3                         65,496        
Others
    223                   900       7,495        
 
                                   
 
                                               
Total
  W 23,414     W 1,150     W 4,706     W 2,320     W 342,520     W 19,627  
 
                                   

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c.  Compensation for the key management
 
    The Company considers registered directors who have substantial roles and responsibility for planning, operating, and controlling of the business as key management, and the considerations given to the key management for the year ended December 31, 2006 are as follows(In millions of Korean won):
                         
    For the year ended December 31, 2006  
            Severance        
Payee   Payroll     indemnities     Total  
12 Registered directors (including outside directors)
  W 4,472     W 935     W 5,407  
 
                 
(note) Compensation for an ex-outside director who resigned during the year ended December 31, 2006 is included.
In addition, on March 8, 2002, the Company granted stock options to its nine key members of the management, representing 15,110 shares at an exercise price of W 267,000 per share. The stock options fully vested after three years from the date of grant and are exercisable for two years upon vesting. Upon exercise of stock options, the Company will issue its common stock or deliver treasury stock.
23.   PROVISION FOR MILEAGE POINTS
 
    The Company, for its marketing purposes, grants certain mileage points (“Rainbow Points”) to its subscribers based on their usage of the Company’s services. Rainbow Points provision was provided based on the historical usage experience and the Company’s marketing policy. Such provision was recorded as accrued expenses or other non-current liabilities in accordance with the expected points usage duration since balance sheet date.
 
    Details of change in the provisions for such mileage points for the years ended December 31, 2006 and 2005 are as follows (In millions of Korean won):
                 
    2006     2005  
Beginning balance
  W 52,172     W 61,596  
Present value discount (note a)
          (7,415 )
Increase
    10,757       7,265  
Decrease
    (10,336 )     (9,274 )
 
           
 
               
Ending Balance
    52,593     W 52,172  
 
           
 
(note a) Effective January 1, 2005, pursuant to adoption of SKAS No.17 (See Note 2 .(n)), Rainbow Points provision is recorded at the present value, which was recorded at nominal value through 2004.
Rainbow Points expire after 5 years; thus, all unused points are expired on their fifth anniversary.
The expected year when unused Rainbow Points as of December 31, 2006 are expected to be used and the respective estimated monetary amount to be paid in a given year are as follows (In millions of Korean won):

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Expected usage for the year   Estimated amount to be paid        
ended December 31,   In nominal value (note b)     Present value (note b)  
2007
  W 26,786     W 25,457  
2008
    16,022       14,471  
2009
    8,534       7,326  
2010
    4,406       3,595  
2011
    2,249       1,744  
 
           
 
               
Ending balance
  W 57,997     W 52,593  
 
           
 
(note b) The above expected year of the usage and the present value of the estimated amount to be paid are estimated based on historical usage experience.
24.   DERIVATIVE INSTRUMENTS
  a.   Currency swap contract to which the cash flow hedge accounting is applied
 
      The Company has entered into a fixed-to-fixed cross currency swap contract with Citibank, BNP Paribas and Credit Suisse First Boston International to hedge the foreign currency risk of unguaranteed U.S. dollar denominated bonds with face amounts totaling US$300,000,000 at annual fixed interest rate of 4.25% issued on April 1, 2004. As of December 31, 2006, in connection with unsettled foreign currency swap contract to which the cash flow hedge accounting is applied, an accumulated loss on valuation of derivatives amounting to W 17,581 million (excluding tax effect totaling W 6,668 million and foreign exchange translation gain arising from unguaranteed U.S. dollar denominated bonds totaling W 65,472 million) was accounted for as a capital adjustment.
 
      In addition, the Company has entered into a floating-to-fixed cross currency swap contract with Calyon bank to hedge the foreign currency risk and the interest rate risk of U.S. dollar denominated long-term borrowings with face amounts totaling US$100,000,000 borrowed on October 10, 2006. As of December 31, 2006, in connection with unsettled cross currency interest rate swap contract to which the cash flow hedge accounting is applied, an accumulated gain on valuation of derivatives amounting to W 1,094 million (excluding foreign exchange translation gain arising from U.S. dollar denominated long-term borrowings totaling W 1,840 million) was accounted for as a capital adjustment.
 
  b.   Currency swap contract to which the cash flow hedge accounting is not applied
 
      The Company has entered into a fixed-to-fixed cross currency swap contract with Credit Suisse First Boston International to hedge foreign currency risk of unguaranteed U.S. dollar denominated convertible bonds with face amounts of US$329,450,000 issued on May 27, 2004. In connection with unsettled fixed-to-fixed cross currency swap contract to which the cash flow hedge accounting is not applied, loss on valuation of currency swap of W 9,258 million for the year ended December 31, 2006 and gain on valuation of currency swap of W 2,545 million for the year ended December 31, 2005 were charged to current operations.
 
      In addition, the company has entered into a fixed-to-fixed cross currency swap contract with Hana Bank, Korea Exchange Bank, Woori Bank, Shinhan Bank, Citibank and Barclays Bank to hedge foreign

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      currency risk of unguaranteed U.S. dollar denominated convertible bonds issued by China Unicom which was acquired on July 5, 2006. In connection with unsettled fixed-to-fixed cross currency swap contract to which the cash flow hedge accounting is not applied, gain on valuation of currency swap of W 16,660 million for the year ended December 31, 2006 were charged to current operations.
 
  c.   Interest rate swap
 
      The Company has entered into a floating-to-fixed interest rate swap contract with Shinhan Bank to hedge the interest rate risk of floating rate discounted bill with face amounts totaling W 200,000 million borrowed on June 29, 2006. As of December 31, 2006, in connection with unsettled interest rate swap contract to which the cash flow hedge accounting is applied, an accumulated loss on valuation of derivatives amounting to W 329 million (excluding tax effect totaling W 125 million) was accounted for as a capital adjustment.
 
      As of December 31, 2006, fair values of above derivatives recorded in long-term liabilities and details of derivative instruments as of December 31, 2006 are as follows (In thousands of U.S. dollars and millions of Korean won):
                                         
                    Fair value
                    Designated              
        Face     Duration   as cash     Not        
Type   Hedged item   Amount     of contract   flow hedge     designated     Total  
Current assets:
                                       
Fix-to-fixed cross
  U.S. dollar denominated                                    
currency swap
  convertible bond issued by           July 5, 2006                        
 
  China Unicom   US$ 1,000,000     ~ July 5, 2007   W     W 16,660     W 16,660  
 
                                 
 
                                       
 
                  W     W 16,660     W 16,660  
 
                                 
 
                                       
Non-current liabilities:
                                       
Fix-to-fixed cross
  U.S. dollar denominated           March 23, 2004                        
currency swap
  bonds   US$ 300,000     ~ April 1, 2011   W 89,721     W     W 89,721  
Fix-to-fixed cross
  U.S. dollar denominated           May 27, 2004                        
currency swap
  convertible bond   US$ 100,000     ~ May 27, 2009           22,503       22,503  
Floating-to-fixed cross currency
  U.S. dollar denominated           October 10, 2006                        
interest rate swap
  long-term borrowings   US$ 100,000     ~October 10, 2013     746             746  
 
                                 
 
                                       
 
                    90,467       22,503       112,970  
 
                                 
 
                                       
Floating-to-fixed
  Long-term floating rate           June 29, 2006                        
interest rate swap
  discounted bill   W 200,000     ~ June 29, 2010     454             454  
 
                                 
 
                                       
 
                  W 90,921     W 22,503     W 113,424  
 
                                 
25.   COMMITMENTS
 
    In accordance with the resolution of the Company’s board of directors dated January 26, 2005, the Company and EarthLink, Inc., an internet service provider in the United States of America, agreed to establish ‘Helio, LLC.’, a joint venture company, in the United States of America in February 2005 in order to provide wireless telecommunication service across the United States of America. The Company, via SK Telecom USA Holdings, Inc., its wholly-owned subsidiary in the United States of America, has invested US$200.5 million from 2005 through December 31, 2006 and will additionally invest US$19.5 million through 2007 to maintain a 50% equity interest in the joint venture company. Helio, LLC. launched cellular voice and data services extensively across the United States of America in May 2006, by renting networks from network operators throughout the United States of America also known as partial mobile virtual network operator (MVNO) system.

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26.   OPERATING RESULTS FOR THE FOURTH QUARTER
 
    The Company’s key operating results for the three months ended December 31, 2006 and 2005 are as follows (in millions of Korean won, except for income per share) :
                 
    4th Quarter of
    2006   2005
    (unaudited)   (unaudited)
Operating revenue
  W 2,759,776     W 2,626,557  
Ordinary income
    371,006       567,123  
Net income
    279,298       447,975  
Net income and ordinary income per share (in Korean won)
    3,926       6,085  

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Independent Accountant’s Review Report
on Internal Accounting Control System (“IACS”)
English Translation of a Report Originally Issued in Korean
To the Representative Director of
SK Telecom Co., Ltd.
We have reviewed the accompanying Report on the Management’s Assessment of IACS (the “Management’s Report”) of SK Telecom Co., Ltd. (the “Company”) as of December 31, 2006. The Management’s Report, and the design and operation of IACS are the responsibility of the Company’s management. Our responsibility is to review the Management’s Report and issue a review report based on our procedures. The Company’s management stated in the accompanying Management’s Report that “based on the assessment of the IACS as of December 31, 2006, the Company’s IACS has been appropriately designed and is operating effectively as of December 31, 2006, in all material respects, in accordance with the IACS Framework established by the Korea Listed Companies Association.”
We conducted our review in accordance with the IACS Review Standards established by the Korean Institute of Certified Public Accountants. Those standards require that we plan and perform a review, objective of which is to obtain a lower level of assurance than an audit, of the Management’s Report in all material respects. A review includes obtaining an understanding of a company’s IACS and making inquiries regarding the Management’s Report and, when deemed necessary, performing a limited inspection of underlying documents and other limited procedures.
A company’s IACS represents internal accounting policies and a system to manage and operate such policies to provide reasonable assurance regarding the reliability of financial statements prepared, in accordance with accounting principles generally accepted in the Republic of Korea, for the purpose of preparing and disclosing reliable accounting information. Because of its inherent limitations, IACS may not prevent or detect a material misstatement of the financial statements. Also, projections of any evaluation of effectiveness of IACS to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
Based on our review, nothing has come to our attention that causes us to believe that the Management’s Report referred to above is not fairly stated, in all material respects, in accordance with the IACS Framework established by the Korea Listed Companies Association.
Our review is based on the Company’s IACS as of December 31, 2006, and we did not review its IACS subsequent to December 31, 2006. This report has been prepared pursuant to the Acts on External Audit for Stock Companies in the Republic of Korea and may not be appropriate for other purposes or for other users.
February 14, 2007
/s/ Deloitte Anjin LLC
Seoul, Republic of Korea

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Report on the Assessment of
Internal Accounting Control System (“IACS”)
English Translation of a Report Originally Issued in Korean
To the Board of Directors and Auditor (Audit Committee) of
SK Telecom Co., Ltd.
I, as the Internal Accounting Control Officer (“IACO”) of SK Telecom Co., Ltd. (“the Company”), assessed the status of the design and operation of the Company’s IACS for the year ended December 31, 2006.
The Company’s management including IACO is responsible for designing and operating IACS. I, as the IACO, assessed whether the IACS has been appropriately designed and is effectively operating to prevent and detect any error or fraud which may cause any misstatement of the financial statements, for the purpose of preparing and disclosing reliable financial statements. I, as the IACO, applied the IACS Framework established by the Korea Listed Companies Association for the assessment of design and operation of the IACS.
Based on the assessment of the IACS, the Company’s IACS has been appropriately designed and is operating effectively as of December 31, 2006, in all material respects, in accordance with the IACS Framework.
December 31, 2006
/S/ Ha, Sung Min
Internal Accounting Control Officer
/S/ Kim, Shin Bae
President

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Forward-Looking Statement Disclaimer
The material above contains forward-looking statements. Statements that are not historical facts, including statements about our beliefs and expectations, are forward-looking statements. These statements are based on current plans, estimates and projections, and therefore you should not place undue reliance on them. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause our actual results or performance to be materially different from any future results or performance expressed or implied by such forward-looking statements. We do not make any representation or warranty, express or implied, as to the accuracy or completeness of the information contained herein, and nothing contained herein is, or shall be relied upon as, a promise or representation, whether as to the past or the future. Forward-looking statements speak only as of the date they are made, and we undertake no obligation to update publicly any of them in light of new information or future events. Additional information concerning these and other risk factors are contained in our latest annual report on Form 20-F and in our other filings with the U.S. Securities and Exchange Commission.

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SIGNATURES
     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
         
 
  SK Telecom Co., Ltd.    
 
       
 
  (Registrant)    
 
       
 
  By: /s/ Tae Jin Park
 
   
 
       
 
  (Signature)    
 
       
 
  Name: Tae Jin Park    
 
       
 
  Title: Vice President    
Date: April 20, 2007