NiSource(NI) - 2024 Q4 - Annual Results

Exhibit 99.1 FOR IMMEDIATE RELEASE: February 12, 2025 NiSource announces full-year 2024 results MERRILLVILLE, Ind. - NiSource Inc. (NYSE: NI) today announced, on a GAAP basis, net income available to common shareholders for the year ended December 31, 2024, of $739.7 million, or$1.62 of earnings per diluted share, compared to net income available to common shareholders of $661.7 million, or$1.48 of earnings per diluted share, for the same period of 2023. NiSource also reported full-year 2024 non-GAAP adju ...