The board of directors of NiSource Inc. (NYSE:NI) today declared a quarterly common stock dividend payment of $0.28 cents per share, payable February 20, 2025, to stockholders of record at the close of business on February 3, 2025.

About NiSource

NiSource Inc. (NYSE:NI) is one of the largest fully-regulated utility companies in the United States, serving approximately 3.3 million natural gas customers and 500,000 electric customers across six states through its local Columbia Gas and NIPSCO brands. The mission of our approximately 7,400 employees is to deliver safe, reliable energy that drives value to our customers. NiSource is a member of the Dow Jones Sustainability - North America Index, has been named as one of TIME Magazine's World's Best Companies and is on Forbes list of America's Best Employers for Diversity. Learn more about NiSource's record of leadership in sustainability, investments in the communities it serves and how we live our vision to be an innovative and trusted energy partner at www.NiSource.com. NI-F

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Media

Kristen King

Corporate Media Relations

(419) 787-1314

kking@nisource.com

Investors

Christopher Turnure

Investor Relations

(614) 404-9426

cturnure@nisource.com

NiSource Declares Common Stock Dividend