Talen Energy Corporation announced that Andrew "Andy" Wright has transitioned to the newly created role of Chief Administrative Officer. In this role he oversees the Company's Human Resources, Information Technology, Facilities, and Corporate Security functions. He joined Talen in 2018 previously serving as General Counsel and Corporate Secretary.

John Wander has been appointed to the role of General Counsel and Corporate Secretary, succeeding Andy Wright. He leads the Company's Legal and Regulatory and External Affairs functions, oversees corporate governance, and serves as the primary point of contact for its Board of Directors. Prior to joining Talen, he served as Partner – Shareholder Litigation & Enforcement for Vinson & Elkins and as the firm's General Counsel, where he routinely represented issuers and accounting firms before the Securities & Exchange Commission and also tried numerous corporate governance cases in the Delaware Chancery Court.

Brad Berryman will continue in his role as Chief Nuclear Officer, where he oversees all aspects of the Company's 2-unit, approximately 2,500-megawatt Susquehanna generation facility. Mr. Berryman has been with Talen Energy since 2017 and was central to Susquehanna's performance improvement in areas of operations, finance, and safety. Dale Lebsack has been elevated to Chief Fossil Officer, leading Talen's approximately 10,000-megawatt fossil generation fleet.

Mr. Lebsack has been with Talen since 2015 and has held roles of increasing importance including Senior Vice President Fossil Operations and Senior Vice President Montana, ERCOT & Northeast Gas divisions. Christopher Morice has been elevated to Chief Commercial Officer. He has been with Talen in roles of increasing importance since 2017, and most recently served as Vice President - PJM, MENE & ERCOT Commercial Portfolio.

In parallel with these changes, John Chesser will depart Talen in early July, to pursue other opportunities. Mr. Chesser joined Talen in 2016 and served as Chief Financial Officer since November 2021. Prior to his role as CFO, he held various other positions including Senior Vice President of Finance, Treasury, and Head of M&A and Chief Financial Officer of the Company's Montana, ERCOT and Northeast Gas business unit.