MRC MRC Global Inc

1301 McKinney Street, Suite 2300

Houston, TX 77010

(Address of principal executive offices, including zip code)

Daniel J. Churay

(877) 294-7574

(Name and telephone number, including area code, of the person to contact in connection with this report)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:

Conflict Minerals Disclosure

A copy of the Conflict Minerals Report of MRC Global Inc. is filed as Exhibit 1.01 hereto and is publicly available on our website at https://investor.mrcglobal.com under the “SEC Filings” section. The information on this website is not incorporated by reference into this Form SD and does not constitute a part of this Form SD.

A copy of the Conflict Minerals Report of MRC Global Inc. is filed as Exhibit 1.01 hereto.

Exhibit 1.01 – Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: May 31, 2023

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