X0708 D LIVE 0001624322 Business First Bancshares, Inc. 500 LAUREL STREET SUITE 101 BATON ROUGE LA LOUISIANA 70801 225-248-7600 LOUISIANA None None Corporation true David R. Melville, III 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Executive Officer Director Gregory Robertson 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Executive Officer Saundra Strong 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Executive Officer Carol M. Calkins 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director George W. Cummings, III 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Ricky D. Day 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director John Ducrest 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Mark P. Folse 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director William G. Hall 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Joseph Vernon Johnson 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Rolfe H. McCollister, Jr. 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Patrick E. Mockler 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director David A. Montgomery, Jr. 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Arthur J. Price 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Aimee Quirk 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Alejandro M. Sanchez 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Zeenat Sidi 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Keith A. Tillage 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Steven G. White 500 Laurel Street Suite 101 Baton Rouge LA LOUISIANA 70801 Director Commercial Banking Decline to Disclose 06b false 2026-04-02 false true false 250000 85000000 85000000 0 false 45 0 0 0 false Business First Bancshares, Inc. /s/ Gregory Robertson Gregory Robertson EVP and Chief Financial Officer 2026-04-14