Exhibit 32.2

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002,

18 U.S.C. SECTION 1350

In connection with the quarterly report of 5E Advanced Materials, Inc. (the “Company”) on Form 10-Q for the quarter ended September 30, 2022, as filed with the U.S. Securities and Exchange Commission on the date hereof (the “Report”), I, Paul Weibel, Chief Financial Officer of the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, 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:	November 10, 2022
		/s/ Paul Weibel
		Paul Weibel
		Chief Financial Officer (Principal Financial Officer)