SUPPLEMENTAL SLIDES YEAR END 2023 RESULTS February 21, 2024 NiSource | NYSE: NI | nisource.com | Legal Disclaimer Forward-Looking Statements This presentation contains "forward-looking statements," within the meaning of Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Investors and prospective investors should understand that many factors govern whether any forward-looking statement containe ...