SIMSBURY, Conn.--(BUSINESS WIRE)--SBT Bancorp, Inc., (OTCQX: SBTB), holding company for The Simsbury Bank & Trust Company, Inc., today announced net income of $350,000 or $0.36 basic and diluted earnings per share for the quarter ended June 30, 2015, compared to a net income of $115,000 or $0.10 basic and diluted earnings per share, an increase of $0.26 diluted earnings per share compared to the prior year quarter. The increase in net income is mainly due to a $227,000 increase in mortgage