NiSource(NI) - 2024 Q3 - Quarterly Results

Exhibit 99.1 FOR IMMEDIATE RELEASE: October 30, 2024 NiSource announces third quarter 2024 results • Reaffirming 2024 non-GAAP adjusted EPS guidance • Introducing 2025 non-GAAP adjusted EPS guidance and extending expected annual 6-8% growth to 2025-2029 • Updating 5-year capital expenditure base plan to $19.3 billion MERRILLVILLE, Ind. - NiSource Inc. (NYSE: NI) today announced, on a GAAP basis, net income available to common shareholders for the three months ended September 30, 2024, of$85.7 million, or $ ...