PITTSBURGH, Pa. – F.N.B. Corp. on Wednesday announced that its board of directors declared a quarterly cash dividend of 13 cents per share on its common stock. The dividend is payable Sept. 15 to shareholders of record as of the close of business Sept. 1. F.N.B., which has more than 355 banking offices throughout Pennsylvania, Ohio, Maryland, West Virginia, North Carolina, South Carolina, Washington, D.C., and Virginia, reported total assets of $51 billion.