Transaction Details

Footnotes

Vesting of non-derivative performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d). | Vesting of non-derivative special performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d). | Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the performance stock units above. | Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the special performance stock units above. | Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vestings of the 2023 Restricted Stock Unit awards. | Includes shares acquired through dividend reinvestments. | Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through February 27, 2026.