UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 9, 2020

NiSource Inc.

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (877) 647-5990

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

As previously announced, on February 26, 2020, NiSource Inc. (“NiSource”) and Bay State Gas Company d/b/a Columbia Gas of Massachusetts (“Columbia of Massachusetts”) (together with NiSource, “Seller”) entered into an asset purchase agreement (the “Asset Purchase Agreement”) with Eversource Energy, a Massachusetts voluntary association (“Buyer”). The Asset Purchase Agreement was described in NiSource’s current report on Form 8-K filed with the Securities and Exchange Commission (“SEC”) on February 27, 2020. On October 9, 2020, Buyer and Seller consummated the transactions contemplated by the Asset Purchase Agreement.

As previously disclosed, on July 2, 2020, Buyer, Seller and Eversource Gas Company of Massachusetts, a wholly-owned subsidiary of Seller (“EGMA”), filed with the Massachusetts Department of Public Utilities (“DPU”) a joint petition for the approval of the transaction as contemplated by the Asset Purchase Agreement and a proposed multi-year rate plan. The petition sought approval of a settlement agreement executed on July 2, 2020 (the “Settlement Agreement”) among, Buyer, Seller, EGMA, the Massachusetts Attorney General’s Office, the Massachusetts Department of Energy Resources and the Low-Income Weatherization and Fuel Assistance Program Network. The Settlement Agreement was conditioned on its approval by the DPU no later than September 30, 2020; however, this deadline was extended to October 7, 2020. The Settlement Agreement was approved by the DPU on October 7, 2020. A description of the terms of the Settlement Agreement was included in NiSource’s current report on Form 8-K filed with SEC on July 6, 2020.

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.