PENNSYLVANIA PUBLIC UTILITY COMMISSION NOTICE TO BE PUBLISHED Application of Transource Pennsylvania, LLC for All of the Necessary Authority, Approvals and Certificate of Public Convenience to Begin to Offer, Render, Furnish and/or Supply Transmission Service in portions of Franklin County, Pennsylvania Necessary to Operate Transmission Facilities for Project 9A West; and for any Other Approvals Necessary. Docket Number: A-2026-3062675 Formal protests and petitions to intervene must be filed in accordance with Title 52 of the Pennsylvania Code, on or before August 12, 2026. All filings must be made with the Secretary of the Pennsylvania Public Utility Commission, 400 North Street, 2nd Floor, Harrisburg, PA 17120, with a copy served on the Applicant. The documents filed in support of the Application are available ONLY online for inspection and copying on the Commission's website at www.puc.pa.gov, and at the Applicant's business address. ALL Parties to proceedings pending before the Commission must open and use an e-filing account through the Commission's website at www.puc.pa.gov or you may submit the filing by overnight delivery to: Secretary, Pennsylvania Public Utility Commission, 400 North Street, Harrisburg, Pennsylvania 17120. If a filing contains confidential or proprietary material, the filing is required to be submitted by overnight delivery. Large filings containing confidential or proprietary material may be submitted through the Commission's SharePoint File system with advanced notice to the Commission prior to submittal. Applicant: Transource Pennsylvania, LLC 1 Riverside Plaza Columbus, Ohio 43215-2372 Attn: Crystal L. Wood-Hython, Project MGR Staff Sr. Attorneys for the Applicant: Jonh F. Povilaitis, Esquire Alan M. Seltzer, Esquire 409 N. Second Street, Suite 500 Harrisburg, PA 17101 Phone: 717-237-4800 Fax: 717-233-0852 Email: john.povilaitis@bipc.com Email: alan.seltzer@bipc.com Jessica A. Cano, Esquire American Electric Power Service Corporation 1 Riverside Plaza, 29th Floor Columbus, OH 43215 Phone: 614-716-2921 Fax: 614-716-1613 Email: jacano@aep.com BY THE COMMISSION Matthew L. Homsher Secretary June 15 2026 LSOM0537912