Potomac Bancshares, Inc. (PTBS: OTC Pink Current) | Ex-Dividend Thu, Jan 19, 2017 08:00 - Potomac Bancshares, Inc. ( PTBS : OTC Pink Current) - Ex-Dividend - As of Fri, Jan 20, 2017, Potomac Bancshares, Inc. traded ex-dividend. Potomac Bancshares, Inc. will disburse a Cash Dividend dividend of $0.065 to shareholders of PTBS. You may find a complete list of dividends at otcmarkets.com .