144 0002106698 XXXXXXXX LIVE 0001624322 Business First Bancshares, Inc. 001-38447 500 LAUREL STREET SUITE 101 BATON ROUGE LA 70801 225-248-7600 Cummings George W. III Director Common Raymond James & Associates

880 Carillon Parkway St. Petersburg FL 33716

20000 560055.64 29615370 02/25/2026 NASDAQ Common 01/01/2026 Merger with Progressive Bancorp Issuer N 20000 01/01/2026 N/A Y 02/25/2026 Maressia Rooks-Bailey, as duly authorized representative of Raymond James & Associates, Inc., as attorney-in-fact for George W Cummings III