On March 25, 2022, Athira Pharma, Inc. ("Athira") filed a preliminary proxy statement in connection with its 2022 Annual Meeting of Shareholders (the "Annual Meeting"). Prior to the Annual Meeting, Athira will furnish a definitive proxy statement to its shareholders, together with a WHITE proxy card. SHAREHOLDERS ARE URGED TO READ THE DEFINITIVE PROXY STATEMENT (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Detailed information regarding the names, affiliations and interests of individuals who are participants in the solicitation of proxies of Athira's shareholders is available in Athira's preliminary proxy statement.