Thomas Properties Group, Inc. (Thomas Properties Group) is a full-service real estate company that owns, acquires, develops and manages primarily office, as well as mixed-use and residential properties. Thomas Properties Group, L.P. is the Company's Operating Partnership (the Operating Partnership). The Company’s primary areas of focus are the acquisition and ownership of properties, through strategic joint ventures, property development and redevelopment, and property management activities. The Company’s properties are located in Southern California and Sacramento, California; Philadelphia, Pennsylvania; Northern Virginia; Houston, Texas and Austin, Texas. As of December 31, 2010, the Company owned interests in and asset managed 27 operating properties with 13.2 million rentable square feet and provided asset and/or property management services on behalf of third parties for an additional four operating properties with 2.3 million rentable square feet.