Lynn A. Wentworth, 67, joined Graphic Packaging Holding Company s Board on November 18, 2009. Ms. Wentworth is the former Senior Vice President, Chief Financial Officer and Treasurer of BlueLinx Holdings Inc., a building products distributor, where she served from January 2007 until February 2008. Prior to joining BlueLinx, she was most recently, Vice President and Chief Financial Officer for BellSouth Corporation s Communications Group and held various other positions there from 1985 until 2007. She is a certified public accountant. Ms. Wentworth was elected to the Board of Directors of Benchmark Electronics, Inc. on June 25, 2021, and also serves as the Chairman of the Audit Committee. She was also elected to the Board of Directors of Lineage, Inc., a privately held cold storage REIT on July 1, 2022, and previously served as the Chairman of the Audit Committee until June 2024. Lineage, Inc. became a public company on July 25, 2024, at which time Ms. Wentworth was appointed Lead Independent Director. She is the former Chairman of the Board of CyrusOne, Inc. and Cincinnati Bell, Inc. Qualifications: The Board concluded that Ms. Wentworth is qualified to serve as a Director of the Company because she has over 30 years of public accounting and corporate finance experience, including her service as the Chief Financial Officer of BlueLinx Holdings, Inc., a public company, and the Communications Group of BellSouth Corporation, as well as her extensive board and corporate governance experience.