NiSource(NI) - 2024 Q1 - Quarterly Results

Exhibit 99.1 FOR IMMEDIATE RELEASE: May 8, 2024 NiSource announces first quarter 2024 results MERRILLVILLE, Ind. - NiSource Inc. (NYSE: NI) today announced, on a GAAP basis, net income available to common shareholders for the three months ended March 31, 2024, of $344.3 million, or$0.77 of earnings per diluted share, compared to net income available to common shareholders of $319.2 million, or$0.71 of earnings per diluted share, for the same period of 2023. NiSource also reported first quarter 2024 non-GA ...