 Piedmont Office Realty Trust, Inc. Piedmont PDM, an owner of Class A office properties located primarily in select amenity-rich sub-markets within seven major Eastern U.S. office markets, today announced that it has completed the sale of its only Philadelphia asset, 1901 Market Street, for approximately 360 million, or 450 per square foot. As a result of the disposition of 1901 Market Street, 96 of Piedmonts annualized lease revenue is now generated from its seven core markets, with a majority from its Sunbelt locations. 1901 Market Street is a 45-story, approximately 800,000 square foot building situated on approximately three-quarters of an acre in the heart of downtown Philadelphia. 