Jonathan Siegler Power of Attorney Filing for 5E Advanced Materials Director

This SEC Form 3 filing documents a power of attorney granted by Jonathan A. Siegler, a director of 5E Advanced Materials, Inc. (ticker: FEAM). The filing establishes Joshua Malm as attorney-in-fact for Siegler, authorizing him to execute and file various SEC forms on Siegler's behalf. The document was signed on April 13, 2026, and indicates that Siegler currently owns no securities in the company. As a director filing, this power of attorney arrangement streamlines compliance with SEC reporting requirements by allowing designated representatives to handle filings related to ownership and transactions. The filing serves as an administrative document to facilitate regulatory compliance rather than indicating any substantive changes in ownership or corporate governance.