Exhibit 99.1 October 31, 2024 IDACORP, Inc. Announces Third Quarter 2024 Results, Increases Lower-End of Earnings Guidance Range BOISE, Idaho--IDACORP, Inc. (NYSE: IDA) reported third quarter 2024 net income attributable to IDACORP of $113.6 million, or $2.12 per diluted share, compared with $105.3 million, or $2.07 per diluted share, in the third quarter of 2023. "We had a strong third quarter and benefited from customer growth, rate changes, and weather conditions that contributed to higher customer usage ...