 BOSTON--BUSINESS WIRE--Boston Properties, Inc. NYSE: BXP, the largest publicly traded developer, owner, and manager of Class A office properties in the United States, announced today that it has entered into a binding agreement to acquire Safeco Plaza, a 50-story, 800,000 square-foot, LEED-Platinum certified, Class A office property in Seattle, Washington. This acquisition will mark the Companys initial entry into the Seattle market, one of the most vibrant markets in the U.S. for companie 