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 Annual Report on Form 10-K for the period ending December 31, 2022 of Integrated Rail and Resources Acquisition Corp. (the “Company”), as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Mark A. Michel, Chief Executive Officer and Chairman of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:
| 1. | The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; 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 31, 2023 | /s/ Mark A. Michel | |||||
Mark A. Michel | ||||||
| Chief Executive Officer and Chairman | ||||||
| (Principal Executive Officer) |