Kaiser Aluminum Corporation announced that Hugh (Jack) J. Barger, III has been appointed as the Company's Executive Vice President ? Sales and Marketing, effective January 1, 2026. This transition is part of the Company?s succession planning with Mr. Barger assuming the role and responsibilities of Blain A. Tiffany, the Company?s current Executive Vice President ?

Sales and Marketing in connection with his anticipated retirement. Mr. Barger joined the Company in June 2025 as the Company?s Senior Vice President ? Sales and Marketing.

Mr. Barger brings over 25 years of progressive experience in the metals industry. Prior to joining the Company, he was President at Central Steel & Wire from 2021 to 2024 and previously held the position of Vice President of Sales at Central Steel & Wire. Prior to that, Jack held advancing leadership roles at A.M. Castle & Company.