| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cuccia Kimberly S | EVP, GC & Corporate Secretary | 801 E. 86TH AVENUE, MERRILLVILLE | /s/ Ashley Bancroft, Attorney-in-Fact | 26 Nov 2025 | 0001900971 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NI | Common Stock | Sale | $345,040 | -8,000 | -16% | $43.13 | 41,247 | 25 Nov 2025 | Direct | |
| holding | NI | Common Stock | 3,843 | 25 Nov 2025 | 401k | F1 |
| Id | Content |
|---|---|
| F1 | Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through November 25, 2025. |