ESS Tech, Inc. announced that Claudia Gast has joined its Board of Directors. Ms. Gast brings over 15 years of experience leading mergers and acquisitions and an extensive background in finance, strategy and operations both in private equity and with Fortune 100 companies. She currently serves as CFO and Board Member of Global Technology Acquisition Corp.

Prior to her current roles, Ms. Gast served as Chief Strategy Officer and Head of M&A at AM General. Ms. Gast replaces Shirley Speakman of Cycle Capital, who leaves the ESS Board to return to early-stage company investing. Ms. Speakman joined the Board in 2017, concurrent with the Company's Series B round of private investment and has served in a variety of roles during that time, most recently as a member of the Audit Committee, having previously chaired the Audit Committee, and having served as a member of the Compensation Committee.