NISOURCE INC.

For the period ended Dec 31, 2025. Filed Feb 11, 2026.

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 11, 2026

NI$45.06+2.1%Stored close · as of Nov 9, 2026

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Contents

Financial Statements and Supplementary Data

Index	Page
Report of Independent Registered Public Accounting Firm	67
Statements of Consolidated Income	70
Statements of Consolidated Comprehensive Income	71
Consolidated Balance Sheets	72
Statements of Consolidated Cash Flows	74
Statements of Consolidated Stockholders' Equity	75
Notes to Consolidated Financial Statements	77
1. Nature of Operations and Summary of Significant Accounting Policies	77
2. Recent Accounting Pronouncements	80
3. Revenue Recognition	81
4. Noncontrolling Interests	85
5. Earnings Per Share	87
6. Equity	88
7. Short-Term Borrowings	90
8. Long-Term Debt	92
9. Property, Plant and Equipment	95
10. Goodwill	95
11. Asset Retirement Obligations	96
12. Regulatory Matters	96
13. Risk Management Activities	101
14. Fair Value	102
15. Income Taxes	105
16. Pension and Other Postemployment Benefits	109
17. Share-Based Compensation	120
18. Leases	123
19. Other Commitments and Contingencies	125
20. Accumulated Other Comprehensive Loss	128
21. Business Segment Information	129
22. Other, Net	131
23. Interest Expense, Net	132
24. Supplemental Cash Flow Information	132
Schedule II	133

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.