Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
McJunkin Red Man Corp
  2. Issuer Name and Ticker or Trading Symbol
PRIMEENERGY CORP [PNRG]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
2 HOUSTON CENTER, 909 FANNIN, SUITE 3100
3. Date of Earliest Transaction (Month/Day/Year)
06/03/2010
(Street)

HOUSTON, TX 77010
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
COMMON STOCK, $0.10 PAR VALUE 06/03/2010   S   623,521 D $ 12 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
OBLIGATIONS TO PAY SALE PROCEEDS $ 0 06/03/2010   J     592,345   (1)   (1) COMMON STOCK, $0.10 PAR VALUE 592,345 (1) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
McJunkin Red Man Corp
2 HOUSTON CENTER
909 FANNIN, SUITE 3100
HOUSTON, TX 77010
    X    

Signatures

 /s/ McJunkin Red Man Corporation, Andrew Lane, Chairman, President and Chief Executive Officer   06/07/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) The reporting person previously owned 623,521 shares of Common Stock, par value $0.10 per share of Prime Energy Corporation (the "Shares"). Pursuant to the Merger Agreement, dated as of December 4, 2006 among the reporting person, McJ Holding Corporation and Hg Acquisition Corp., as amended (the "Merger Agreement"), upon a sale of Shares by the reporting person from and after January 31, 2007, the reporting person has an obligation to remit to those persons who were the record holders of shares of the reporting person immediately prior to the effective time of the Merger (as defined in the Merger Agreement) an amount equal to 95% of the after tax proceeds from such sale. As disclosed above, the reporting person sold 623,521 shares of Common Stock and will distribute the proceeds in accordance with the Merger Agreement.

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