1996:
When Thomas Properties Group began operations in late 1996, the company owned and managed approximately 2.0 million square feet of commercial space and was in the process of planning the 950,000 square foot California Environmental Protection Agency (CalEPA) headquarters in Sacramento, California.

1997:
In 1997 Thomas Properties Group established a relationship with two real estate investment funds managed by an affiliate of Lazard Freres & Co., serving as the managing general partner of the partnership that owned our One Commerce Square property, a 942,866 rentable square foot office tower in Philadelphia.

1999:
Thomas Properties Group’s separate account relationship with CalSTRS began in 1999 when the company decided to make the provision of investment management services for institutional investors one of its core strategies. Currently Thomas Properties Group has two investment management relationships with CalSTRS, a separate account management relationship and a joint venture relationship.

2000:
Thomas Properties Group expands its investment management capabilities by becoming a registered investment advisor with the Securities and Exchange Commission.

2001:
In 2001 Thomas Properties Group completed the CalEPA headquarters, which has become a model for sustainable high-rise development. It has received numerous environmental awards, including the highest certification yet awarded under the U.S. Green Building Council’s Leadership in Energy and Environmental Design program for a high-rise building.

2003:
Thomas Properties Group established its joint venture relationship with CalSTRS in 2003, when this joint venture acquired an 85% interest in City National Plaza in downtown Los Angeles. This property includes two 51-story towers on a full block in the heart of Los Angeles’ central business district.

2004:
Thomas Properties Group completes its initial public offering in October 2004.

2005:
In March 2005, Thomas Properties Group completed its first acquisition as a public company by leveraging its existing presence in Philadelphia and acquiring a portfolio of four properties comprising over 850,000 square feet in Montgomery County, Pennsylvania. Five months later, in August 2005, the company entered the dynamic Houston, Texas marketplace by acquiring a portfolio of four properties totaling over 2.5 million square feet. The company acquired approximately 6 acres of developable land adjacent to these properties in December 2005.

2006:
In June 2006, the company expanded its platform in Houston through the acquisition of an approximately 1.5 million square foot office campus and 24 acres of adjacent developable land in the Westchase District from BMC Software.

2007:
In February 2007, Thomas Properties Group added approximately 590,000 square feet to its Northern Virginia portfolio through the acquisition of two office buildings in Fairfax, Virginia. In June 2007, Thomas Properties Group, in partnership with the California State Teachers' Retirement System and Lehman Brothers, acquired ten Class A office properties totaling approximately 3.5 million square feet in Austin, Texas.