Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Granite Ridge Resources, Inc., (the “Company”) on Form 10-Q/A for the quarterly period ended September 30, 2022, as filed with the United States Securities and Exchange Commission on the date hereof, (the “Report”), the undersigned officers of the Company hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: March 9, 2023	By:	/s/ LUKE C. BRANDENBERG
		Name:	Luke C. Brandenberg
		Title:	President and Chief Executive Officer
Dated: March 9, 2023	By:	/s/ TYLER S. FARQUHARSON
		Name:	Tyler S. Farquharson
		Title:	Chief Financial Officer