X0508 4 2024-11-14 0001624322 Business First Bancshares, Inc. BFST 0002040034 Hall William G. 500 LAUREL STREET, SUITE 101 BATON ROUGE LA 70801 1 0 COMMON STOCK 2024-11-14 4 J 0 15108 0 A 19902 D COMMON STOCK 2024-11-14 4 J 0 208493 0 D 14939 I By: Align Opportunities, LP Represents the receipt of shares in the pro rata distribution described below. The distribution is being voluntarily reported and did not result in a change in the reporting person's pecuniary interest in the shares. Represents a pro rata distribution by Align Opportunities, LP to its partners in accordance with their pro rata ownership of the partnership. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. /s/ Heather Roemer, as attorney-in-fact for William G. Hall 2024-11-18