GlobeNewswire Inc | Oct 1, 2021 04:01PM EDT

October 01, 2021

LITTLE ROCK, Ark., Oct. 01, 2021 (GLOBE NEWSWIRE) -- Bank OZK (the Bank) (Nasdaq: OZK) announced its Board of Directors has approved a regular quarterly cash dividend of $0.29 per common share payable October 22, 2021 to shareholders of record as of October 15, 2021. The dividend of $0.29 per common share represents an increase of $0.005 per common share, or 1.75%, over the dividend paid in the previous quarter. Bank OZK has increased its quarterly cash dividend in each of the last forty-five quarters.

Bank OZKs consistent track record of increasing its dividend has led to it being included in the S&P High Yield Dividend Aristocrats index (Ticker: SPHYDA) since January 2018. The index consists of members of the S&P Composite 1500 that have followed a managed-dividends policy of consistently increasing dividends every year for at least 20 years, and that meet minimum float-adjusted market capitalization and liquidity requirements. For more information on the index, visit www.spglobal.com/spdji.

GENERAL INFORMATIONBank OZK (Nasdaq: OZK) is a regional bank providing innovative financial solutions delivered by expert bankers with a relentless pursuit of excellence. Established in 1903, Bank OZK conducts banking operations through 249 offices in eight states including Arkansas, Georgia, Florida, North Carolina, Texas, New York, California and Mississippi and had $26.61 billion in total assets as of June 30, 2021. Bank OZK can be found atwww.ozk.comand onFacebook,TwitterandLinkedInor contacted at (501) 978-2265 or P.O. Box 8811, Little Rock, Arkansas 72231-8811.

The Bank files annual, quarterly and current reports, proxy materials, and other information required by the Securities Exchange Act of 1934 with the Federal Deposit Insurance Corporation (FDIC), copies of which are available electronically at the FDICs website at https://efr.fdic.gov/fcxweb/efr/index.htmland are also available on the Banks investor relations website atir.ozk.com. To receive automated email alerts for these materials please visit https://ir.ozk.com/other/email-alertsto sign up.

Investor Relations Contact: Tim Hicks, (501) 978-2336Media Contact: Susan Blair, (501) 978-2217