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 *
  Lane Andrew R
2. Date of Event Requiring Statement (Month/Day/Year)
04/11/2012
3. Issuer Name and Ticker or Trading Symbol
MRC GLOBAL INC. [MRC]
(Last)
(First)
(Middle)
2 HOUSTON CENTER, 909 FANNIN, SUITE 3100
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman, President and CEO
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HOUSTON, TX 77010
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 85,109
I
Through a limited partnership
Common Stock 25,000 (1)
I
Through a limited partnership
Common Stock 90,000 (2)
I
Through a limited partnership

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
Stock Option (right to buy)   (3) 09/10/2018 Common Stock 879,464 $ 18.1 I Through a limited partnership
Stock Option (right to buy)   (4) 11/10/2021 Common Stock 226,864 $ 18.1 I Through a limited partnership

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Lane Andrew R
2 HOUSTON CENTER, 909 FANNIN, SUITE 3100
HOUSTON, TX 77010
  X     Chairman, President and CEO  

Signatures

/s/ Brian K. Shore, Attorney-in-fact 04/11/2012
**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) On February 24, 2009, the reporting person was awarded 25,000 shares of restricted common stock, par value $0.01 per share ("Common Stock"), all of which vest on the fifth anniversary of the date of grant, conditioned on the reporting person's continued service with the issuer and subject to accelerated vesting under certain circumstances.
(2) On August 11, 2011, the reporting person was awarded 90,000 shares of restricted Common Stock, all of which vest on the fifth anniversary of the date of grant, conditioned on the reporting person's continued service with the issuer and subject to accelerated vesting under certain circumstances.
(3) 25% of the options reported above became exercisable on 9/10/2010; 25% of the options reported above became exercisable on 9/10/2011; and 25% of the options reported above will become exercisable on each of 9/10/2012 and 9/10/2013.
(4) 33 1/3% of the options reported above will become exercisable on each of 11/10/2014, 11/10/2015, and 11/10/2016.

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