...+ Newton, Mass.-based Government Properties Income Trust (GOV) announced a definitive merger agreement with Select Income REIT (###-/Stable/--) to form an office REIT with approximately $6 billion in undepreciated assets. + We project leverage in the low- to mid-7x area when the transaction closes, but expect leverage to improve to the high- to mid-6x area by year-end 2019, which incorporates future asset sales. + We revised our outlook to stable from negative on our improved assessment of the combined portfolio, and affirmed the '###-' issuer credit rating on GOV. + The stable outlook reflects our view that, following the merger, GOV will successfully merge with Select Income REIT and achieve lower debt leverage through asset sales, with debt-to-EBITDA improving to the high- to mid-6x area by year-end 2019. NEW YORK (S&P Global Ratings) Sept. 17, 2018--S&P Global Ratings today revised its outlook on Government Properties Income Trust (GOV) to stable from negative. At the same time, we...