Berman Melanie B. 4

What Happened
Melanie B. Berman, EVP Administration & CHRO of NiSource (NI), had 31,466 performance stock units vest on 2026-02-27 (reported as an award). The award was valued at $47.30 per share ($1,488,342). To satisfy tax withholding, 11,673 shares ($552,133) and 3,166 shares ($149,752) were withheld/disposed, leaving a net of 16,627 shares retained and an approximate net value retained of $786,457. The award transaction is coded A (award/grant); the share retentions for taxes are coded F (tax withholding).

Key Details

• Transaction date: 2026-02-27; reported on Form 4 filed 2026-03-03 (filing flagged late).
• Price used for calculation: $47.30 per share.
• Shares granted: 31,466 (total value ≈ $1,488,342).
• Shares withheld for taxes: 11,673 (≈ $552,133) and 3,166 (≈ $149,752); total withheld = 14,839 shares (≈ $701,885).
• Net shares retained after withholding: 16,627 (31,466 − 14,839).
• Shares owned after transaction: not disclosed in this filing.
• Footnotes: F1 notes these were 2023 performance stock units exempt under Rule 16b-3(d); F2–F3 clarify the withheld shares satisfied tax withholding for the performance units and a 2023 RSU award.

Context
This was a vesting of performance-based restricted stock units, not an open-market purchase or voluntary sale. The F-code dispositions reflect routine share withholding to cover withholding tax obligations (a common, cashless mechanism), not a directional trade signal. The filing was submitted after the typical two-business-day Form 4 window and is flagged late, which is an administrative/timeliness note for compliance records.