Exhibit 99.1 "We delivered another solid quarter, and we remain on track for a strong 2025," said Scott Lauber, president and CEO. "We are focused on the fundamentals of our business — reliability, financial discipline, customer satisfaction and building the infrastructure to support the significant economic growth in our region." Retail deliveries of electricity – excluding the iron ore mine in Michigan's Upper Peninsula – were up by 1.9 percent in the third quarter of 2025, compared to the third quarter l ...