Consistent With its Long-Term Financial Plan NiSource Inc. Announces Final Remarketing Period of its Series C Mandatory Convertible Preferred Stock Relating to its 2021 Equity Units Offering - Seite 2

NiSource will not directly receive any of the proceeds from the remarketing of shares of the Mandatory Convertible Preferred Stock. However, upon a successful final remarketing,

•  a portion of the proceeds from the final remarketing attributable to shares of Mandatory Convertible Preferred Stock that were components of the 2021 Equity Units will be automatically applied to satisfy in full the 2021 Equity Unit holders’ obligations to purchase our common stock under the purchase contract component of their 2021 Equity Units, and any remaining proceeds will be promptly remitted to the holders of the 2021 Equity Units after the remarketing settlement date; and
•  the proceeds from the final remarketing attributable to holders of separate shares of Mandatory Convertible Preferred Stock who elected to participate in the final remarketing will be remitted by the remarketing agents for distribution to such holders on the remarketing settlement date.

Goldman Sachs & Co. LLC , J.P. Morgan Securities LLC and Wells Fargo Securities, LLC are acting as the remarketing agents for this final remarketing. NiSource may add additional remarketing agents for the final remarketing.

The final remarketing will be made pursuant to an effective registration statement filed with the U.S. Securities and Exchange Commission. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor shall there be any sale of the Mandatory Convertible Preferred Stock in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state. Any offers to remarket the Mandatory Convertible Preferred Stock will be made exclusively by means of a prospectus supplement and accompanying prospectus.

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 7,200 employees is to deliver safe, reliable energy that drives value to our customers. NI-F

Forward-Looking Statements

This press release 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”). Forward-looking statements in this press release include, but are not limited to, statements concerning our ability to complete the final remarketing on the anticipated timeline or at all, the anticipated benefits of the final remarketing if completed, our plans, strategies and objectives, and any and all underlying assumptions and other statements that are other than statements of historical fact. Investors and prospective investors should understand that many factors govern whether any forward-looking statement contained herein will be or can be realized. Any one of those factors could cause actual results to differ materially from those projected. Expressions of future goals and expectations and similar expressions, including “may,” “will,” “should,” “could,” “would,” “aims,” “seeks,” “expects,” “plans,” “anticipates,” “intends,” “believes,” “estimates,” “predicts,” “potential,” “targets,” “forecast,” and “continue,” reflecting something other than historical fact are intended to identify forward-looking statements. All forward-looking statements are based on assumptions that management believes to be reasonable; however, there can be no assurance that actual results will not differ materially.