UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940 |
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Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. | SEC 1473 (7-02) | ||
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. |
1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security | 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
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Date Exercisable | Expiration Date | Title | Amount or Number of Shares |
Reporting Owner Name / Address | Relationships | |||
Director | 10% Owner | Officer | Other | |
CHANG WAYNE 123 ROBERT S. KERR AVENUE OKLAHOMA CITY, OK 73102-6406 |
 |  |  SVP-Midstream |  |
By: Gaye A. Wilkerson, Power of Attorney | 01/13/2009 | |
**Signature of Reporting Person | Date |
* | If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** | Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) | Includes 3,750 shares of Restricted Stock granted February 28, 2007 which shall vest thirty-three percent on the 28th day of February of each of 2009, 2010 and 2011; 2,250 shares of Restricted Stock granted July 11, 2007 which shall vest thirty-three percent on the 11th day of July of each years 2009, 2010 and 2011; 3,000 shares of Restricted Stock granted January 11, 2008 which shall vest thirty-three percent on the 11th day of January of each of 2010, 2011and 2012; 5,000 shares of Restricted Stock granted July 11, 2008 which shall vest twenty-five percent on the 11th day of July of each of 2009, 2010, 2011 and 2012; 5,000 shares of Restricted Stock granted October 7, 2008 which shall vest twenty-five percent on the 7th day of October of each of 2009, 2010, 2011 and 2012; and 10,000 shares of Restricted Stock granted January 9, 2009, which shall vest twenty-five percent on the 9th day of January of each of 2010, 2011, 2012 and 2013. |