v3.25.2
Insider Trading Arrangements
 3 Months Ended
Jun. 30, 2025
shares
Trading Arrangements, by Individual  
Material Terms of Trading Arrangement
The following table describes any contracts, instructions or written plans for the sale or purchase of NiSource securities that are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act that were adopted by our directors and executive officers during the quarter ended June 30, 2025:

Name and Title
Date of Adoption of Rule 10b5-1 Trading Plan
Scheduled Expiration Date of Rule 10b5-1 Trading Plan(1)
Aggregate Number of Securities to Be Purchased or Sold
Shawn Anderson

Executive Vice President, Chief Financial Officer

5/30/202511/28/2025
Sale of up to 11,115 shares of common stock in multiple transactions
(1)A trading plan may also expire on such earlier date that all transactions under the trading plan are completed.
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
Shawn Anderson [Member]  
Trading Arrangements, by Individual  
Name Shawn Anderson
Title Executive Vice President, Chief Financial Officer
Rule 10b5-1 Arrangement Adopted true
Adoption Date 5/30/2025
Expiration Date 11/28/2025
Arrangement Duration 182 days
Aggregate Available 11,115