CMS Energy(CMS) - 2025 Q1 - Quarterly Results

Exhibit 99.1 CMS Energy Announces First Quarter Results for 2025, Reaffirms 2025 Adjusted EPS Guidance JACKSON, Mich., April 24, 2025 – CMS Energy announced today reported earnings per share of $1.01 for the first quarter of 2025, compared to$0.96 per share for 2024. The company's adjusted earnings per share for the first quarter were $1.02, compared to$0.97 per share for 2024. CMS Energy reaffirmed its 2025 adjusted earnings guidance of $3.54 to$3.60 per share (*See below for important information about ...