WEC Energy Group — Jul 30, 2025 release

Residential electricity use rose by 1.6 percent. On a weather-normal basis, retail deliveries of electricity during the second quarter of this year – excluding the iron ore mine – increased by 1.1 percent. The company is reaffirming its 2025 earnings guidance of $5.17 to $5.27 per share. This assumes normal weather for the remainder of the year. 1 Exhibit 99.1 Earnings per share listed in this news release are on a fully diluted basis. Conference call A conference call is scheduled for 1 p.m. Central time, Wednesday, July 30. The call will review 2025 second-quarter earnings and the company’s outlook for the future. All interested parties, including stockholders, news media and the general public, are invited to listen. Access the call at 888-330-2443 up to 15 minutes before it begins. The number for international callers is 240-789-2728. The conference ID is 3088105. Conference call access also is available at wecenergygroup.com . Under 'Webcasts,' select 'Q2 Earnings.' In conjunction with this earnings announcement, WEC Energy Group will post on its website a package of detailed financial information on its second-quarter performance. The materials will be available at 6:30 a.m. Central time, Wednesday, July 30. Replay A replay will be available on the website and by phone. Access to the webcast replay will be available on the website about two hours after the call. Access to a phone replay also will be available approximately two hours after the call and remai