Business First Bancshares, Inc. Commences Public Offering of Common Stock

June 5, 2018

Baton Rouge, LA – Business First Bancshares, Inc. (the “Company”) (NASDAQ: BFST) announced today that it has commenced an underwritten public offering of approximately 900,000 shares of its common stock. The Company intends to grant the underwriters an option, exercisable in whole or in part for 30 days, to purchase up to 135,000 additional shares of its common stock.