144 0001847576 XXXXXXXX LIVE 0001021635 OGE Energy Corp 001-12579 321 North Harvey Ave Oklahoma City OK 73102-3405 4055533238 Scott Alan Briggs Officer common UBS Financial Services Inc

1000 Harbor Blvd 3rd Floor Weehawken NJ 07086

6186 289319 206100000 03/24/2026 NYSE common 12/31/2021 RSU OGE N 420 12/31/2021 n/a common 02/21/2023 RSU OGE N 759 02/21/2023 n/a common 12/31/2023 RSU OGE N 833 12/31/2023 n/a common 02/20/2024 RSU OGE N 4174 02/20/2024 n/a Y 03/24/2026 /s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for Scott Alan Briggs