BEFORE THE CORPORATION COMMISSION OF THE STATE OF OKLAHOMA CASE NO. PUD 2025-000064 APPLICATION OF PUBLIC SERVICE COMPANY OF    OKLAHOMA (PSO) FOR AN ORDER OF THE     COMMISSION PREAPPROVING THE ACQUISITION    AND COST RECOVERY OF GENERATION FACILITIES TO    ALLOW PSO TO MEET ITS OBLIGATIONS PURSUANT    TO OAC 165:35-25-3(e). NOTICE OF HEARING NOTICE IS HEREBY GIVEN that Public Service Company of Oklahoma (“PSO”) has filed an Application with the Oklahoma Corporation Commission (“Commission”) for preapproval and cost recovery of the generation facilities, purchase power contracts and a capacity purchase contract. The investments and contracts, beginning in 2026 and escalating until all resources are providing service in 2029, will increase PSO’s rates and charges for electric services in the State of Oklahoma. The typical residential bill will be increased less than one percent, or $1.13 in 2026. In 2029, once all facilities are operational, the projected impact reflects a net increase of $10.34 per month for a typical residential customer, representing a 6.92% increase in the total monthly bill. Commercial customers will have a total bill increase depending upon the class and usage characteristics of the customer. PSO estimates a total bill increase for the commercial class will be approximately 0.76% for year one (2026) and an estimated total bill increase in year four (2029) of 5.51%; for the industrial class, PSO estimates an increase of 1.06% in year one (2026) with an estimated total bill increase in year four (2029) of 6.05%. NOTICE IS FURTHER GIVEN that the Hearing on the Merits (“Hearing”) will be heard before an Administrative Law Judge commencing on February 17, 2026, at 9:00 a.m., and continuing each business day thereafter until the Hearing concludes in the Concourse Theater, Suite C50, located in the underground tunnel between the Will Rogers Memorial Building and the Sequoyah Memorial Office Building, 2401 North Lincoln Boulevard, Oklahoma City, Oklahoma. NOTICE IS FURTHER GIVEN that the Commission shall, after hearing and taking of evidence, issue such orders and grant such relief as it deems reasonable, fair, necessary, proper and equitable in the circumstances, whether or not specifically requested. NOTICE IS FURTHER GIVEN that members of the public, including individual customers of Public Service Company of Oklahoma, will have an opportunity to provide comments on February 12 , 2026, beginning at 1:30 p.m. in the Concourse Theater, Suite C50, located in the underground tunnel between the Will Rogers Memorial Building and the Sequoyah Memorial Office Building, 2401 North Lincoln Boulevard, Oklahoma City, Oklahoma. Members of the public may also provide written comments by mail to P.O. Box 52000, Oklahoma City, Oklahoma 73152 or by email to PUDenergy@occ.ok.gov with “Attention: Public Comment PUD 2025-000064” in the subject line. Public comments may be submitted using the Corporation Commission’s online form found on their website. All interested persons may appear at the hearing and be heard or may provide written comments. For information concerning this action, contact Ms. Lauren Willingham, Attorney for Public Service Company of Oklahoma by phone (405) 841-1313, by mail 9434 Cedar Lake Ave., Oklahoma City, OK. 73114, or PSO by phone toll-free at 1-833-PSO-POWR, or PSO by email at psocustomerservice@ aep.com; Michael L. Velez, Deputy General Counsel, by mail Oklahoma Corporation Commission, 2401 North Lincoln Boulevard, Will Rogers Memorial Building, Oklahoma City, Oklahoma 73105, by phone at (405) 522-5930, or by email at Michael.Velez@occ.ok.gov, or Thomas L. Grossnicklaus, Deputy Attorney General, Office of the Attorney General at Thomas.Grossnicklaus@oag.ok.gov.       CORPORATION COMMISSION OF OKLAHOMA       KIM DAVID, Chairman       TODD HIETT, Vice Chairman       BRIAN BINGMAN, Commissioner LPXLP 12/16, 12/23/25 #11907061