Exhibit 99.01 2025 Outlook OGE Energy's 2025 consolidated earnings guidance remains unchanged and is projected to be $2.27 per average diluted share, within a range of$2.21 to $ 2.33 per average diluted share. The guidance assumes, among other things, approximately 202.1 million average diluted shares outstanding and normal weather for the remainder of the year. OG&E has significant seasonality in its earnings due to weather on a year over year basis. See OGE Energy's 2024 Form 10-K for other key factors a ...