• NiSource EVP and Group President, Utilities Melody Birmingham sold 12,500 shares in two transactions on May 14 and May 20.
• The shares were sold at prices of $47.19 and $47.43.
• Birmingham held 116,036 shares following the transactions.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. NiSource Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001111711-26-000071), on May 21, 2026, and is solely responsible for the information contained therein.