Bank OZK announced that its Board of Directors approved an increase in the size of the Board from sixteen to eighteen directors and elected Beverly Cole and Steven Sadoff to the Board to fill the resulting vacancies. The election of Ms. Cole and Mr. Sadoff is effective immediately and each will serve as a director until the Bank’s 2019 Annual Meeting of Shareholders and until their respective successors are elected and qualified. Ms. Cole will serve on the Board’s Risk Committee and its CRA and Fair Lending Committee, and Mr. Sadoff will serve on the Board’s Risk Committee and its Information Systems Steering Committee. Beverly Cole is the Chief Executive Officer of Cole Renwick, LLC. Steven Sadoff is the Chief Information Officer of Fenics, a business of BGC Partners Inc. in New York City.