NI Nisource Inc.

• None no insider bought on the open market
• $6.1M sold by 6 insiders outside a trading plan
• $855K sold by 1 insider under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Shawn Anderson CFO
   Planned sale
   $293K 6,500 shares at $45.00 3.9% of stake
   Traded Oct 30 Filed Nov 3
   ↗
3. William Jefferson Jr. EVP, Chief Op & Safety Officer
   Sale
   $1.8M 40,000 shares at $44.56 41% of stake
   Traded Oct 30 Filed Nov 3
   ↗
4. Melody Birmingham EVP & Grp President, Utilities
   Sale
   $1.6M 37,509 shares at $42.40 32% of stake
   Traded Aug 14 Filed Aug 18
   ↗
5. Melanie B. Berman EVP Administration & CHRO
   Sale
   $715K 15,000 shares at $47.68 29% of stake
   Traded May 22 Filed May 27
   ↗
6. Lloyd M Yates CEO
   Sale
   $950K 19,905 shares at $47.73 3.7% of stake
   Traded May 21 Filed May 26
   ↗
7. Melody Birmingham EVP & Grp President, Utilities
   Sale
   $590K 12,500 shares at $47.23 9.7% of stake
   Traded May 14–20 Filed May 21
   ↗
8. Gunnar Gode SVP Chief Accting&Tax Officer
   Sale
   $100K 2,175 shares at $46.00 6.9% of stake
   Traded Feb 18 Filed Feb 19
   ↗
9. Shawn Anderson CFO
   Planned sale
   $563K 12,500 shares at $45.01 8.4% of stake
   Traded Feb 13 Filed Feb 17
   ↗
10. Kimberly S Cuccia EVP, GC & Corporate Secretary
    Sale
    $345K 8,000 shares at $43.13 16% of stake
    Traded Nov 25, 2025 Filed Nov 26, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 28 stock grants, 19 share withholdings for taxes, and 1 other transaction.