Slide 1: Q3 2025 Earnings & Business Update Conference Call
Q3 2025 Earnings & Business Update Conference Call October 29, 2025
Slide 2: Safe Harbor
Safe Harbor Some of the matters in this presentation may contain forward-looking statements that are subject to certain risks, uncertainties, and assumptions. Such forward-looking statements are intended to be identified in this document by the words "anticipate," "believe," "estimate," "expect," "f
Slide 3: Q3 2025 financial results summary
Q3 2025 financial results summary Consolidated earnings $1.14 per average diluted share ➢Electric company earnings $1.20 per average diluted share ➢Other operations, including holding company, loss of $0.06 ➢Expect to be at the top half of 2025’s original EPS guidance range “We are proactively addre
Slide 4: Executing on our plan and building the future for our customers
Executing on our plan and building the future for our customers ✓ Operational excellence drives solid performance ✓ Settlement agreement reached with majority of parties in pre-approval filing in Oklahoma ✓ 550 MW natural gas combustion turbines to become operational in 2026; 450 MW pending approval
Slide 5: 3Q EPS on plan - expect 2025 EPS to be in top half of original guidance range
3Q EPS on plan - expect 2025 EPS to be in top half of original guidance range Q3 2025 Q3 2024 Drivers Recovery of capital investments Higher operation and maintenance expense OG&E $1.20 $1.12 Higher income tax expense Milder weather Higher interest expense Other Operations/HoldCo ($0.06) (
Slide 6: 2025 financial plan update
2025 financial plan update ✓ On track to deliver top half of 2025’s earnings guidance range ✓ Approximately 1% customer growth and 6.5% YTD weather-normalized load; expect 7.5% load growth in 2025 ✓ Issued LT debt of $350m at OG&E in April ✓ Updated capital plan to include Fort Smith to Muskogee tra
Slide 7: Q&A
Q&A OG: We Energize Life © 2025 OGE Energy Corp. | 7
Slide 8: Appendix
Appendix © 2025 OGE Energy Corp. | 8
Slide 9: 3Q 2025 weather impact
3Q 2025 weather impact Weather Variance Cooling Degree Days1 Q3 2025 Q3 2024 % Change Actuals 1,288 1,387 (7%) Normal 1,265 1,268 0% Variance from Normal 2% 10% Estimated current year normalized earnings per share impact of weather Q1 Q2 Q3 2025 $0.00 $0.00 $0.00 1. Degree days are calculated as fol
Slide 10: Building futures with a community centric investment plan
Building futures with a community centric investment plan Capital Expenditures $ millions 2025 2026 2027 2028 2029 Total Transmission $ 110 $ 285 $ 295 $ 300 $ 270 $ 1,260 Oklahoma Distribution $ 495 $ 665 $ 705 $ 725 $ 775 $ 3,365 Arkansas Distribution $ 25 $ 25 $ 25 $ 25 $ 25 $ 125 Generation Reli
Slide 11: Strong credit ratings and lower re-financing risk contribute to a strong financial position
Strong credit ratings and lower re-financing risk contribute to a strong financial position No fixed rate maturities until 2027 Credit Ratings $450 $400 Moody's Rating $350 $400 OGE Energy Senior Notes Baa1 Amount ($mm) $300 $350 OGE Energy Commercial Paper P2 $250 6.65% $300 $300 $200 6.50% S&P $15
Slide 12: Our sustainable business model delivers results for customers, communities, and shareholders
Our sustainable business model delivers results for customers, communities, and shareholders Sustainable Business Model 10-year Period Results1 Low Rates O&M/customer Among Attract new ~2.2% CAGR growth less than lowest in the Benefit customers, customers through 1% CAGR nation communities, business