Exhibit 99.1 DTE Energy reports first quarter earnings and accomplishments • Continued significant investments to improve reliability and transition to cleaner generation; on track to invest more than $4 billion into our utilities in 2024 • Earned the ENERGY STAR Partner of the Year award for sustained excellence in energy efficiency • Celebrated 175 years of service at DTE Gas • Grew MIGreenPower voluntary renewables program by enrolling Taubman Realty Group and other customers • Recognized as a Gallup Exc ...