Hill International to Provide Project Management Services During Construction of Comcast Center, Tallest Skyscraper in Philadelphia Philadelphia, PA -- Hill International, Inc., the worldwide construction consulting firm, has announced that it has received a contract from an affiliate of developer Liberty Property Trust (NYSE:LRY) to provide project management services during construction of Comcast Center, a 1.2-million-square-foot skyscraper to be located in Center City Philadelphia. The proposed 57-story office tower, which was designed by world-renowned architect Robert A.M. Stern, will be the tallest skyscraper in Philadelphia at 975 feet. The building will eclipse One Liberty Place, Philadelphia's tallest building since 1987 at 945 feet. In fact, the skyscraper will be the tallest building between New York City and Chicago. Comcast Corp. (Nasdaq:CMCSA) will make the tower its new corporate headquarters, and has signed a 15½-year lease to initially occupy 544,000 square feet on 24 floors, or about 44% of the building's rentable space. Groundbreaking for the project occurred in March 2005 and construction is expected to be completed in the Fall of 2007. "We are excited and honored to have been selected to participate in the construction of this landmark project," said Michael V. Griffin, P.E., Senior Vice President in charge of Hill's Philadelphia office. Hill International, with over 550 employees in 21 offices worldwide, provides program management, project management, construction management and construction claims services. Engineering News-Record magazine recently ranked Hill as the 14th largest construction management firm in the United States. For more information on Hill, please visit our website at www.hillintl.com..