Amprius President Tom Stepien appointed Chief Executive Officer by Board of Directors, effective January 1, 2026 Dr. Kang Sun to retire at the end of 2025 and will continue serving on the Amprius Board while acting as an Executive Advisor, providing strategic guidance to the Company FREMONT, Calif. — Dec. 22, 2025 – Amprius Technologies, Inc. (“Amprius” or the “Company”) (NYSE: AMPX), a leader in…