Exhibit 99.1 October 30, 2025 BOISE, Idaho--IDACORP, Inc. (NYSE: IDA) reported third quarter 2025 net income attributable to IDACORP of $124.4 million, or$2.26 per diluted share, compared with $113.6 million, or$2.12 per diluted share, in the third quarter of 2024. "Continued customer growth and rate changes were the largest drivers of our third quarter results," said IDACORP President and Chief Executive Officer Lisa Grow. "Financing costs and depreciation expense resulting from Idaho Power's infrastruct ...