AQMS · Amended Annual Report (Form 10-K/A) · Filed April 30, 2026

Aqua Metals Inc — 10-K/A exhibit

ex_952369.htm

Exhibit 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO RULES 13a-14(a) and 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Stephen Cotton, certify that:

(1)	I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Aqua Metals, Inc.; and

(2)	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

	AQUA METALS, INC.

Date: April 30, 2026	By:	/s/ Stephen Cotton
		Stephen Cotton President and Chief Executive Officer
		(Principal Executive Officer)

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