On the Record · Nisource

Nisource acquisitions, on the record

The businesses Nisource bought and sold, as its annual reports describe them, with the cash it reported paying for acquisitions each year and every deal filing since 2016.

Deals its annual reports describe

Business	Deal	When	Value
NIPSCO Holdings II LLC Word for word“On December 31, 2023, the Company consummated the closing of the issuance of a 19.9% equity interest in NIPSCO Holdings II LLC, a wholly-owned subsidiary of the Company and the sole owner of Northern Indiana Public Service Company LLC (“NIPSCO”), to BIP BLUE BUYER L.L.C., an affiliate of Blackstone Infrastructure Partners.” 10-K for 2023	agreed divestiture	December 31, 2023	—
Massachusetts Business Word for word“(4) Other revenues related to the Transition Services Agreement entered into in connection with the sale of the Massachusetts Business, which was substantially completed as of June 30, 2022.” 10-K for 2023	divestiture	substantially completed as of June 30, 2022	—
Columbia Word for word“Substantially all of our goodwill relates to the excess of cost over the fair value of the net assets acquired in the Columbia acquisition on November 1, 2000.” 10-K for 2024	acquisition	November 1, 2000	—

Deal filings since 2016

2025-12-11 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2025-10-31 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2024-02-22 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2024-01-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-12-18 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-12-06 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-11-09 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-10-05 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-08-23 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-06-20 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2022-12-20 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2022-02-18 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2021-04-19 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2021-02-22 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-07-06 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-04-01 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-02-27 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-02-27 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-04-17 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-02-20 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2018-11-29 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2018-11-01 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2018-06-12 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2018-05-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2018-04-19 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-11-14 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-09-08 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-05-17 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-05-03 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-11-28 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-03-31 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement

Read from Nisource’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-11. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.