Amprius Technologies AMPX

Mr. Thomas M. Stepien, has served as our President and as a Class I director since May 2025, and additionally as our Chief Executive Officer since January 2026. Mr. Stepien served as Chief Executive Officer of South 8 Technologies from August 2023 to March 2025, where he led the commercialization of a novel liquefied gas electrolyte for lithium-ion batteries. Prior to that, from December 2020 to July 2023, he was an Operating Partner of KCK Group, a private equity firm focused on industrial technologies. He also co-founded Primus Power, a long-duration stationary battery storage company, in April 2009. From October 1995 to March 2009, he held several leadership roles at Applied Materials, including Vice President and General Manager of the Mainstream Technology Solutions division, Chief Marketing Officer of Applied Global Services and Vice President, Operations of the Transistor Systems division. Mr. Stepien currently serves on the boards of directors of Primus Power and Euro Manganese (TSX-V and ASX: EMN), a supplier of battery materials to the electric vehicle industry. Mr. Stepien holds a B.S. and M.S. in Mechanical Engineering from the Massachusetts Institute of Technology and is a co-inventor on 11 U.S. and international battery patents.

Donald R. Dixon has served as a Class III director since September 2022 and as the Chair of the Legacy Amprius board of directors since December 2016. Mr. Dixon also served as a director of Amprius, Inc., our former parent company and majority stockholder (Amprius Holdings), from June 2009 to October 2024. In 1993, he co-founded, and has since served as a Managing Director of, Trident Capital, a venture capital fund, and in 2015, he co-founded, and has since served as a Managing Director of, ForgePoint Capital, an investment firm focused on cybersecurity. Prior to Trident Capital, Mr. Dixon was the Co-President at Partech International, a private equity fund associated with Banque Paribas, a Managing Director at Alex. Brown & Sons, and a Vice President at Morgan Stanley. Mr. Dixon has previously served on the boards of directors of the publicly held companies IronNet, Inc., Qualys, Inc. and Top Image Systems Ltd., and also serves as a director of several privately held companies. Mr. Dixon is a member of the Leadership Council of the Princeton University School of Engineering and Applied Sciences. Mr. Dixon holds a B.S.E. degree in Aerospace Engineering from Princeton University and an M.B.A. from the Stanford Graduate School of Business.

Kathleen Bayless has served as a Class I director since April 2023. Ms. Bayless, currently retired, served as Senior Vice President, Chief Financial Officer and Treasurer of Synaptics Incorporated, a leader in human interface technology, from 2009 until her retirement in 2015. Before Synaptics, Ms. Bayless served as Executive Vice President, Chief Financial Officer and Secretary at Komag Incorporated, a leading supplier of thin-film disks to the hard disk drive industry, and held other financial leadership positions during her tenure with Komag from 1994 to 2008. Ms. Bayless was previously with the public accounting firm of Ernst & Young. Ms. Bayless currently serves on the board of directors of Veeco Instruments, a manufacturer of semiconductor process equipment. Ms. Bayless also currently serves on the board of directors of Ballard Power Systems, a developer and manufacturer of proton exchange membrane fuel cell products. Previously, she also served on the board of directors of Energous Corporation, which specializes in the advancement of wireless charging technology. Ms. Bayless holds a B.S. in Accounting and Finance from the California State University, Fresno.

Mr. Livingston Satterthwaite has served as a Class II director since August 2024. From August 2022 to September 2024, Mr. Satterthwaite served as Senior Vice President of Cummins, Inc., a global power leader that designs, manufactures, distributes and services diesel and natural gas engines and engine-related component products. From March 2021 to August 2022, he served as Vice Chairman, after serving as President and Chief Operating Officer of Cummins since October 2019. From April 2015 through October 2019, Mr. Satterthwaite was President of Cummins Distribution Business, a unit of Cummins, and prior to that, Mr. Satterthwaite served as President of Cummins Power Generation from June 2008 to April 2015. Prior to joining Cummins, Mr. Satterthwaite spent four years at Schlumberger Limited, an oil field services provider, as a general field engineer. Mr. Satterthwaite currently serves on the board of directors of Idex Corp, a publicly traded company that develops, designs and manufactures fluidics systems, optics system, fire and rescue equipment, and other specialty engineered products. He also serves on the board of directors of Chemours Co, a chemical company that was previously spun off from DuPont. Mr. Satterthwaite holds a B.S. in Civil Engineering from Cornell University and an M.B.A. from the Stanford Graduate School of Business.