NiSource to Release Third Quarter 2026 Financial Results and Host Conference Call on October 28

MERRILLVILLE, Ind.--(BUSINESS WIRE)-- NiSource Inc. (NYSE: NI) today announced that the company will release third quarter 2026 financial results on October 28, 2026, before US financial markets open and will host a conference call that day at 11 a.m. EDT (10 a.m. CT) to review third quarter 2026 financial results and provide a general business update. All interested parties may listen to the conference call live on October 28 by logging onto the NiSource website at www.nisource.com. A link on the home page will provide access to the webcast and news release.

A replay of the call will be available beginning at 2 p.m. EDT on October 28, 2026, through 11:59 p.m. EST on November 4, 2026. To access the recording, call +1 (833) 309-1852 and enter Meeting ID 532 273 921. A recording of the call will be archived on the NiSource website.

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 7,700 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 and is on Forbes lists of America’s Best Employers for Women and 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.

The content of our website is not incorporated by reference into this document or any other report or document NiSource files with the Securities and Exchange Commission (“SEC”).

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View source version on businesswire.com: https://www.businesswire.com/news/home/20261014897276/en/

FOR ADDITIONAL INFORMATION

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Source: NiSource Inc.

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