Red River Bancshares (RRBI) 8-K Red River Bancshares, Inc. Announces Quarterly Cash Dividend

Exhibit 99.1

Red River Bancshares, Inc. Announces

Quarterly Cash Dividend

ALEXANDRIA, La.,May 27, 2021 (GLOBE NEWSWIRE) – Red River Bancshares, Inc. (Nasdaq: RRBI) (the “Company”) announced today that on May 27, 2021, its board of directors declared a quarterly cash dividend in an amount equal to $0.07 per share of common stock. The cash dividend is payable on June 24, 2021, to shareholders of record as of the close of business on June 14, 2021.

About Red River Bancshares, Inc.The Company is the bank holding company for Red River Bank, a Louisiana state-chartered bank established in 1999 that provides a fully integrated suite of banking products and services tailored to the needs of commercial and retail customers. Red River Bank operates from a network of 25 banking centers throughout Louisiana and one combined loan and deposit production office in Lafayette, Louisiana. Banking centers are located in the following Louisiana markets: Central, which includes the Alexandria metropolitan statistical area (“MSA”); Northwest, which includes the Shreveport-Bossier City MSA; Capital, which includes the Baton Rouge MSA; Southwest, which includes the Lake Charles MSA; and the Northshore, which includes Covington.

Contact:

Julia Callis

Vice President, Corporate Counsel & Investor Relations Officer

318-561-4042

julia.callis@redriverbank.net

###