NiSource announces long-term agreement with Microsoft expected to increase customer savings and support Indiana’s economic growth

Total savings for existing customers expands to approximately $1.75 billion Investment fuels economic growth – creating jobs, expanding the tax base, and building a skilled workforce to support long-term innovation and prosperity Agreement reinforces Indiana's position as a leader through strategic collaboration with Microsoft Approximately 1,100 MW of new generation resources under a 20-year agreement beginning in 2028 MERRILLVILLE, Ind., October 16, 2026--(BUSINESS WIRE)--NiSource Inc. (NYSE: NI) announced today a new long-term energy agreement with Microsoft for its previously announced northwest Indiana campus.