NEWTON, Mass.--(BUSINESS WIRE)--Hospitality Properties Trust (NYSE: HPT) today announced that it will issue a press release containing its second quarter 2015 results before the NYSE opens on Monday, August 10, 2015. Later that morning, at 10:00 a.m. Eastern Time, President and Chief Operating Officer John Murray and Chief Financial Officer Mark Kleifges will host a conference call to discuss these results. The conference call telephone number is (877) 329-3720. Participants calling from outsid