Lori Sirman - 20 May 2024 Form 4 Insider Report for Origin Bancorp, Inc. (OBK)

Footnote F1

Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

Footnote F2

Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

Footnote F3

Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

Footnote F4

Granted on February 17, 2023, with 2,226 shares vesting on each of the vesting dates of August 19, 2023, August 19, 2024, and August 19, 2025.

Footnote F5

Pursuant to the Merger Agreement, at the effective time of the Merger, August 1, 2022, each outstanding and unexercised option to purchase shares of BTH common stock became fully vested and automatically converted into an option to purchase shares of issuer common stock, with the number of underlying shares and the exercise price determined as set forth in the Merger Agreement. Each option to purchase shares of issuer common stock is subject to the same terms and conditions (excluding vesting but including exercisability terms) as the corresponding option to purchase shares of BTH common stock immediately prior to the effective time of the Merger.