NISOURCE INC. — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NISOURCE INC. (NI)
CIK: 0001111711
Period of Report: 2026-02-27

Reporting Person: Gode Gunnar (SVP Chief Accting&Tax Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-27	Common Stock	A	6420	$47.30	Acquired	35677	Direct
2026-02-27	Common Stock	F	1902	$47.30	Disposed	33775	Direct
2026-02-27	Common Stock	F	667	$47.30	Disposed	33108	Direct

Footnotes

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: Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the performance stock units above.

F3: Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the 2023 Restricted Stock Unit award.