UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
CURRENT REPORT
Pursuant to Section 13 OR 15(d)
of the Securities Exchange Act of 1934
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| Item 8.01 | Other Events. |
Senior Notes Due 2031 and 2036
On May 11, 2026, NiSource Inc. (the “Company”) and BNP Paribas Securities Corp., BofA Securities, Inc., MUFG Securities Americas Inc. and U.S. Bancorp Investments, Inc., as Lead Underwriters, entered into a Terms Agreement (the “Terms Agreement”) with respect to the offering and sale of $500,000,000 aggregate principal amount of the Company’s 4.750% Notes due 2031 (the “2031 Notes”) and $750,000,000 aggregate principal amount of the Company’s 5.300% Notes due 2036 (the “2036 Notes” and, together with the 2031 Notes, the “Notes”) under the Company’s Registration Statement on Form S-3 (File No. 333- 291167) (the “Registration Statement”). The Terms Agreement incorporates by reference the provisions of the Company’s Underwriting Agreement, dated November 30, 2017 (a form of which was filed with the Securities and Exchange Commission (the “SEC”) on November 30, 2017).
The sale closed on May 18, 2026. The Notes were issued pursuant to an Indenture, dated as of November 14, 2000, between the Company, as issuer and successor-in-interest to NiSource Finance Corp., and The Bank of New York Mellon, as successor trustee, as amended and supplemented. The Company intends to use the net proceeds from the sale of the Notes for general corporate purposes, including to finance capital expenditures, for working capital and to repay existing indebtedness.
The preceding is a summary of the terms of the Notes and is qualified in its entirety by reference to the forms of the 2031 Notes and the 2036 Notes, filed as Exhibits 4.1 and 4.2 to this Current Report on Form 8-K, respectively, which are incorporated herein by reference. The Company is filing Exhibit 5.1 with this Current Report on Form 8-K in connection with the Registration Statement.
| Item 9.01 | Financial Statements and Exhibits. |
(d) Exhibits
| Exhibit |
Description | |
| 4.1 | Form of 4.750% Notes due 2031 | |
| 4.2 | Form of 5.300% Notes due 2036 | |
| 5.1 | Opinion of McGuireWoods LLP | |
| 23.1 | Consent of McGuireWoods LLP (included in Exhibit 5.1) | |
| 104 | Cover page Interactive Data File (embedded within the Inline XBRL document) | |
Cautionary Statement Concerning Forward-Looking Statements
This current report on Form 8-K contains forward-looking statements that are not historical facts, including statements about the anticipated use of proceeds from the sale of the Notes. These statements are based on current expectations and assumptions, which management believes are reasonable, and on information currently available to management, but are necessarily subject to various risks and uncertainties. In addition to the risk that these assumptions prove to be inaccurate, factors that could cause actual results to differ materially from those contemplated by the forward-looking statements include factors disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, and its subsequent filings with the SEC, which are available on the Company’s website at www.nisource.com and on the SEC’s website at www.sec.gov. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether due to new information, future events or otherwise, except to the extent required by law.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| NiSource Inc. |
| (Registrant) |
| Date: May 18, 2026 | By: | /s/ Shawn Anderson | ||||
| Shawn Anderson | ||||||
| Executive Vice President and Chief Financial Officer | ||||||