KAISER ALUMINUM CORP

The following table sets forth the names and ages of each of our executive officers and the positions they held as of April 17, 2025, the record date.

Set forth below are brief descriptions of the business experience of each of our executive officers.

Keith A. Harvey has served as our President and Chief Executive Officer and as a director since July 2020 and as Chairman of our Board since January 2025. He previously served as President and Chief Operating Officer from December 2015 to July 2020, Executive Vice President - Fabricated Products from June 2014 to December 2015, Senior Vice President - Sales and Marketing, Aerospace and General Engineering from June 2012 to June 2014, Vice President - Sales and Marketing, Aerospace and General Engineering from 2000 to June 2012 and as our Vice President - Sales and Marketing of Extruded Products from 1996 to 2000. Mr. Harvey joined Kaiser in 1981 as an industrial engineer at the Company’s former rolling mill in West Virginia. He subsequently held positions of increasing responsibility in engineering and sales at several Kaiser locations and was named a Vice President in 1994. Mr. Harvey holds a Bachelor of Science degree in Industrial Engineering from West Virginia University.

Neal E. Westhas served as our Executive Vice President and Chief Financial Officer since March 2021 and as Senior Vice President and Chief Financial Officer from February 2019 to March 2021. Mr. West joined our company in June 2008 as Vice President and Chief Accounting Officer. Prior to joining Kaiser, Mr. West served as the Principal Accounting Officer of Gateway, Inc. from June 2005 to May 2008. Mr. West was also the Vice President and Corporate Controller of Gateway, Inc. from April 2005 to May 2008. Prior to joining Gateway, Inc., Mr. West was the Vice President and Controller for APL Logistics, Ltd. from April 2000 to April 2005. In addition, Mr. West has held a number of finance, service and support positions at APL Ltd. Mr. West also previously worked for Standard Pacific and West-Tronics, Inc. as Division Controller and Financial Manager. Mr. West is a Certified Public Accountant and a Certified Management Accountant and holds a Master of Science degree in information systems from Roosevelt University and a Bachelor of Science degree in accounting and business administration from Illinois State University.

John M. Donnanhas served as our Executive Vice President, Chief Administrative Officer and General Counsel since March 2021. Mr. Donnan is responsible for our company’s corporate legal, compliance, internal audit, and human resources functions. He previously served as our Executive Vice President – Legal, Compliance and Human Resources from June 2012 to March 2021, our Senior Vice President, Secretary and General Counsel from December 2007 to June 2012 and as our Vice President, Secretary and General Counsel from January 2005 to December 2007. Mr. Donnan joined the legal staff of Kaiser in 1993 and was named Deputy General Counsel of Kaiser in 2000. Prior to joining Kaiser, Mr. Donnan was an associate in the Houston, Texas office of the law firm of Chamberlain, Hrdlicka, White, Williams & Martin. He holds a Juris Doctorate degree from the University of Arkansas School of Law and Bachelor of Business Administration degrees in finance and accounting from Texas Tech University. He is a member of the Texas and California bars.

Vijai Narayan has served as our Vice President, Corporate Controller and Chief Accounting Officer since April 2024. Mr. Narayan joined our company in November 2022 as Vice President - Finance and served as Vice President and Chief Accounting Officer from June 2023 to April 2024. Prior to joining Kaiser, Mr. Narayan was Vice President Finance and Controller of eviCore Healthcare, a medical benefits management company and subsidiary of Cigna Corporation from April 2020 to November 2022. Previously, Mr. Narayan was a Partner in the Financial Accounting Advisory Services practice of Ernst & Young LLP. Mr. Narayan holds a Bachelor of Commerce degree from the University of Mumbai and a Master of Accountancy and Master of Business Administration from Bowling Green State University. He is also a Certified Public Accountant, licensed in the State of Tennessee.

Raymond D. Parkinson has served as our Senior Vice President - Advanced Engineering and Innovation since April 2024. He previously served as Senior Vice President - Advanced Engineering from January 2020 to April 2024 and Vice President - Advanced Engineering from 2001 to January 2020. Dr. Parkinson joined Kaiser in 1986 as technical director for extruded products and has more than 30 years of experience in sales, operations, quality control, engineering and research and development in diverse manufacturing environments. Dr. Parkinson has a Ph.D. in metallurgy, as well as Bachelor’s and Master’s degrees in Engineering, from Imperial College in the United Kingdom and a Master of Business Administration from St. Mary’s College. Dr. Parkinson is also a Fellow of the Institute of Materials, Minerals and Mining.

Blain A. Tiffanyhas served as Executive Vice President – Sales and Marketing since April 2022. Mr. Tiffany previously served as Senior Vice President – Sales and Marketing from January 2020 to April 2022 and as Vice President – Sales & Marketing, High Strength and General Engineering Products from July 2014 to December 2020. Mr. Tiffany joined Kaiser in 2013 as Vice President - Marketing, Hard Alloy Extrusions, Pipe and Tube. Prior to joining Kaiser, Mr. Tiffany held several senior management positions during his 34 years in metals distribution, most recently with A.M. Castle & Co. where during his 13 years with the company he served as President of the Steel Plate division, President of the Aerospace division and President of the Industrial division. He holds a Bachelor of Science degree in Business Administration from Almeda College and completed the Strategic Metals Management Program at the Olin Business School Washington University in St. Louis, Missouri.

Jason D. Walsh has served as our Executive Vice President – Manufacturing since April 2022. Mr. Walsh previously served as Senior Vice President – Manufacturing from August 2020 to April 2022 , as Senior Vice President – Flat Rolled Products from June 2018 to August 2020, as Vice President and General Manager – Automotive and Soft Alloy from January 2018 to June 2018, as Vice President and General Manager – Automotive from February 2017 to December 2017, and as Vice President – Financial, Planning and Analysis from April 2012 to January 2017. Mr. Walsh joined Kaiser in 2006 as Manager, Financial Planning & Analysis and served as Group Controller, Common Alloy Products and Director, Financial Planning & Analysis. Prior to joining Kaiser, he held positions of increasing responsibility in manufacturing operations with Caterpillar Inc. He holds a Master of Business Administration degree in Finance from the University of Chicago and a Bachelor of Science degree in Mechanical Engineering from the University of Illinois at Urbana-Champaign.