Exhibit 32.1
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF
THE SARBANES-OXLEY ACT OF 2002


In connection with this Annual Report on Form 10-K for the period ended December 31, 2021 of Heliogen, Inc. (the “Company”) as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Bill Gross, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to 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.


Date:March 31, 2022By:/s/ Bill Gross
Bill Gross
Chief Executive Officer
(Principal Executive Officer)