Dr. Kang Sun has served as our Executive Advisor since January 2026 and as a Class III director since September 2022. Previously, he served as our Chief Executive Officer from September 2022 to December 2025, as Legacy Amprius President and Chief Executive Officer from February 2017 to December 2025 and as a director on the Legacy Amprius board of directors from December 2016 to December 2025. Dr. Sun also served as President, Chief Executive Officer and a director of Amprius Holdings from March 2010 to October 2024. He also has served as a director of Berzelius (Nanjing) Co. Ltd. (formerly known as Amprius (Nanjing) Co., Ltd., ( Berzelius )) since 2017 and Apex (Wuxi) Co., Ltd. (formerly known as Amprius (Wuxi) Co., Ltd., ( Apex )) from November 2014 to November 2023, both entities of which were spun off from Amprius Holdings in 2022. Prior to joining Amprius Holdings, Dr. Sun led two business ventures in the renewable energy space, serving as President and Chief Operating Officer of JA Solar Co. Ltd., a manufacturer of high-performance photovoltaic products, and as chairman and Chief Executive Officer of RayTracker Inc., an advanced solar tracking system company that was acquired by First Solar Inc. Prior to that, he held senior executive positions in several large business enterprises and technology start-ups, including Vice President and General Manager at Honeywell International Inc. and Vice President of Technology at Canon Production Printing (formerly Oce, N.V.). Dr. Sun holds a Ph.D. in Chemistry from Brown University, an M.S. degree in Chemistry from the University of Georgia and a B.S. degree in Chemistry from Nanjing University, China. We believe Dr. Sun is qualified to serve on our board of directors because of the perspective and experience he brings as our Chief Executive Officer, Legacy Amprius Chief Executive Officer, his leadership experience in the energy industry and his strong scientific knowledge.