| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Anderson Shawn | EVP & CFO | 801 E. 86TH AVENUE, MERRILLVILLE | /s/ Ashley Bancroft, Attorney-in-Fact | 03 Mar 2026 | 0001813738 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NI | Common Stock | Award | $1,539,662 | +32,551 | +24% | $47.30 | 169,393 | 27 Feb 2026 | Direct | F1 |
| transaction | NI | Common Stock | Award | $1,129,666 | +23,883 | +14% | $47.30 | 193,276 | 27 Feb 2026 | Direct | F2 |
| transaction | NI | Common Stock | Tax liability | $648,246 | -13,705 | -7.1% | $47.30 | 179,571 | 27 Feb 2026 | Direct | F3 |
| transaction | NI | Common Stock | Tax liability | $475,649 | -10,056 | -5.6% | $47.30 | 169,515 | 27 Feb 2026 | Direct | F4 |
| transaction | NI | Common Stock | Tax liability | $208,782 | -4,414 | -2.6% | $47.30 | 165,101 | 27 Feb 2026 | Direct | F5, F6 |
| holding | NI | Common Stock | 812 | 27 Feb 2026 | 401(k) | F7 |
| Id | Content |
|---|---|
| F1 | Vesting of non-derivative performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d). |
| F2 | Vesting of non-derivative special performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d). |
| F3 | Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the performance stock units above. |
| F4 | Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the special performance stock units above. |
| F5 | Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vestings of the 2023 Restricted Stock Unit awards. |
| F6 | Includes shares acquired through dividend reinvestments. |
| F7 | Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through February 27, 2026. |