NEWTON, Mass.--(BUSINESS WIRE)--Government Properties Income Trust (NYSE: GOV) today announced that it will issue a press release containing its second quarter 2015 financial results before the NYSE opens on Thursday, July 30, 2015. At 10:00 a.m. Eastern Time that morning, President David Blackman and Chief Financial Officer Mark Kleifges will host a conference call to discuss these results. The conference call telephone number is (877) 328-1172. Participants calling from outside the United Sta