Worthington Steel, Inc.

Supplemental Item —Executive Officers of Worthington Steel

The following table lists the names, ages, positions held and term of present office of the individuals serving as executive officers of Worthington Steel, Inc. as of July 29, 2025.

John B. Blystone has served as our Executive Chairman since December 2023. He currently serves as Chairman of the Board of Worthington Enterprises, where he has been a director since 1997. Mr. Blystone previously served as Chairman of the Board, President and CEO of SPX Corporation, a global provider of technical products and systems, industrial products and services, flow technology, cooling technologies and services and service solutions, from December 1995 to December 2004, when he retired.

Geoffrey G. Gilmore has served as our President and CEO since December 2023. Prior to that, he served as Executive Vice President and Chief Operating Officer of Worthington Industries from August 2018 through the Separation. Mr. Gilmore served as President of Worthington Cylinder Corporation from June 2016 to August 2018. Mr. Gilmore served as President of The Worthington Steel Company from August 2012 through May 2016. From July 2011 to July 2012, Mr. Gilmore served as Vice President-Purchasing for Worthington Industries. From April 2010 to July 2011, Mr. Gilmore served as General Manager of The Worthington Steel Company’s Delta, Ohio facility; and from June 2006 to February 2010, he served as Director of Automotive Sales for The Worthington Steel Company. Mr. Gilmore served in various other positions with Worthington Industries from 1998 to June 2006.

Jeffrey R. Klingler has served as Executive Vice President and Chief Operating Officer since December 2023. Prior to that, he served as President of The Worthington Steel Company since from May 2019 through the Separation. Mr. Klingler served as General Manager of various business units within The Worthington Steel Company from May 2014 until April 2019. Mr. Klingler served as vice president of sales, marketing and procurement for Banner Services Corporation, a supplier and processor of metal bar products, from 2008 until 2014, after serving in numerous capacities with The Worthington Steel Company from 1992 to 2008.

Clifford J. Larivey has served as President of Flat-Roll Steel Processing since December 2024. This role was separated from the position of Chief Operating Officer in the second quarter of fiscal 2025. From December 2023 to December 2024, he served as Senior Vice President of Commercial and Purchasing. Prior to the Separation, Mr. Larivey served as Vice President of Purchasing at Worthington Industries from June 2012 until the Separation, and Director of Purchasing from February 2010 to June 2012. Before joining Worthington Industries, Mr. Larivey served in various roles at Gibraltar Strip Steel, including Vice President of Purchasing and Marketing from January 2008 until Worthington Industries acquisition of Gibraltar Strip Steel in February 2010.

Timothy A. Adams has served as our Vice President and Chief Financial Officer since December 2023. Prior to that, he served as the vice president of strategy and corporate development for Worthington Industries from 2012 through the Separation. He joined Worthington Industries as a financial analyst in 1998 and served in multiple roles of increasing responsibility within the Financial Planning and Analysis team. He was named as the director of strategy and business development in 2008. In addition, Mr. Adams serves on the board of Serviacero Worthington.

Joseph Y. Heuer has served as our Vice President, General Counsel and Secretary since February 2024. Prior to that, he served as Assistant General Counsel since joining us in August 2023. Prior to joining us, he was Senior Counsel for PubMatic, Inc., a developer of online advertising software and strategies, and also previously served as Assistant General Counsel at InMarket Media, LLC, a digital advertising agency, and as Vice President, Assistant General Counsel and Assistant Corporate Secretary for Big Lots, Inc., a retailer.

Executive officers serve at the pleasure of the Board. There are no family relationships among any of Worthington Steel’s executive officers or directors. No arrangements or understandings exist pursuant to which any individual has been, or is to be, selected as an executive officer of Worthington Steel.