Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  KAM Fund Advisors LLC
 2. Date of Event Requiring Statement (Month/Day/Year)
03/31/2015		 3. Issuer Name and Ticker or Trading Symbol
Willbros Group, Inc.\NEW\ [WG]
(Last)
(First)
(Middle)
C/O KKR CREDIT ADVISORS (US) LLC, 555 CALIFORNIA STREET, 50TH FLOOR		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN FRANCISCO, CA 94104		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, $0.05 par value 7,314,596 (1)
I
See footnotes (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
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)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
KAM Fund Advisors LLC
C/O KKR CREDIT ADVISORS (US) LLC
555 CALIFORNIA STREET, 50TH FLOOR
SAN FRANCISCO, CA 94104		     X    

Signatures

KAM FUND ADVISORS LLC By: /s/ Nicole J. Macarchuk Name: Nicole J. Macarchuk Title: Authorized Signatory 04/09/2015
**Signature of Reporting Person Date

Explanation of Responses:

* 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) Represents the aggregate number of shares of common stock, par value $0.05 per share ("Common Stock"), of Willbros Group, Inc. held in investment funds for which KAM Fund Advisors LLC serves as an investment advisor. These shares are included as part of the 10,125,410 shares reported on a Form 3 filed on the date hereof by KKR Credit Advisors (US) LLC. KAM Fund Advisors LLC is a wholly-owned subsidiary of KKR Credit Advisors (US) LLC. KAM Fund Advisors LLC is filing a separate Form 3 due to a limitation on the number of reporting persons that can be included on the Form 3 filed by KKR Credit Advisors (US) LLC.
 
Remarks:
The Reporting Person disclaims beneficial ownership of any securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein.  The filing of this statement shall not be deemed an admission that, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Person is the beneficial owner of any equity securities covered by this statement.

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