NISOURCE INC. — Director's Dealing 2024

Mar 1, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NISOURCE INC. (NI)
CIK: 0001111711
Period of Report: 2024-02-28

Reporting Person: Anderson Shawn (EVP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-02-28	Common Stock	A	19355	$25.85	Acquired	178278.261	Direct
2024-02-28	Common Stock	A	3479	$25.85	Acquired	181757.261	Direct
2024-02-28	Common Stock	F	7167	$25.85	Disposed	174590.261	Direct
2024-02-28	Common Stock	F	1491	$25.85	Disposed	173099.261	Direct
2024-02-28	Common Stock	F	1914	$25.85	Disposed	171185.261	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	770.1398	Indirect

Footnotes

F1: Vesting of non-derivative performance stock units granted in 2021, 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 2021, 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 vesting of the 2021 Restricted Stock Unit award.

F6: Includes shares acquired through dividend reinvestments.

F7: Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through February 28, 2024.