Washington, D.C. 20549


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Long Rance C

(Last) (First) (Middle)


(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
3. Issuer Name and Ticker or Trading Symbol
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP-Business Development
5. If Amendment, Date of 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
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 33,160(1) D
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: 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) (2) 11/10/2021 Common Stock 1,657 18.1 D
Stock Option (right to buy) (3) 03/07/2023 Common Stock 6,524 29.35 D
Stock Option (right to buy) (4) 02/18/2024 Common Stock 2,636 29.3 D
Explanation of Responses:
1. This number includes 17,356 shares of Common Stock and 15,804 unvested Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the issuer's Common Stock. 2,285 RSUs will vest on 02/12/2021; 5,187 RSUs will vest in two annual installments-2,593 RSUs will vest on 02/11/2021, and 2,594 RSUs will vest on 02/11/2022; 8,332 RSUs will vest in three annual installments-34% will vest on 02/10/2021, and 33% will vest on each of 02/10/2022 and 02/10/2023; each conditioned on the reporting person's continued service with the issuer and subject to accelerated vesting under certain circumstances.
2. The Stock Option vested in five equal annual installments beginning on 11/10/2012.
3. The Stock Option vested in four equal annual installments beginning on 03/07/2014.
4. The Stock Option vested in three annual installments as follows: 33% on 02/18/2015, 33% on 02/18/2016, and 34% on 02/18/2017.
Exhibit 24 - Power of Attorney
Ann D. Garnett, by power of attorney 07/06/2020
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.
                             LIMITED POWER OF ATTORNEY

    The undersigned, being an executive officer of MRC Global Inc. (the
"Corporation"), who will thereby be subject to the reporting obligations of
Section 16 of the Securities Exchange Act of 1934, as amended (the "Act"), with
respect to securities of the Corporation, hereby constitutes and appoints, with
full power of substitution or revocation, each of Daniel J. Churay and Ann D.
Garnett, or such attorney's-in-fact substitute or substitutes, as the
undersigned's true and lawful attorneys-in-fact and agents to execute and file
for and on behalf of the undersigned Forms 3, 4 and 5 with the Securities and
Exchange Commission (the "SEC"), and to perform all acts necessary in order to
execute and file such Forms 3, 4 and 5, as he or she, as applicable, shall deem
appropriate.  The undersigned hereby ratifies and confirms all that said
attorneys-in- fact and agents, or such attorney's-in-fact substitute or
substitutes, shall do or cause to be done by virtue hereof.

    The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, or such attorney's-
in-fact substitute or substitutes, are not assuming, nor is the Corporation
assuming, any of the undersigned's responsibilities to comply with Section 16 of
the Act.  This Limited Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4 and 5 with
respect to the undersigned's holdings of and transactions in securities issued
by the Corporation, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.

    This Limited Power of Attorney is effective as of July 1, 2020, and any
previous power of attorney issued by the undersigned for the purpose of
executing and filing Forms 3, 4 and 5 with the SEC with respect to holdings of
and transactions in securities issued by the Corporation is hereby revoked
(without affecting the effectiveness of any such power of attorney prior to the
date hereof).

                                        /s/ Rance C. Long
                                        Rance C. Long