David Eidson RidgeWorth Investments Co-CEO and Chief Operating Officer

Company Press Release

Cousins Signs RidgeWorth Investments at Terminus 200

Atlanta – Aug. 23, 2010 – Cousins Properties Incorporated (NYSE: CUZ) announced today that it has signed a 34,000-square-foot lease with RidgeWorth Investments at Terminus 200.

RidgeWorth Investments is an institutional investment adviser registered with the SEC and a holding company that owns interests in eight investment boutiques. Through its multiple, stylespecific, management boutiques, RidgeWorth Investments offers institutional investment solutions across a wide range of fixed-income, equity, and alternative disciplines. RidgeWorth Investments will move into its new office space on the 14th and 15th floors of Terminus 200 in April of 2011.

"We are excited about relocating our offices to Terminus 200 in the heart of Buckhead, one of Atlanta's strongest business centers," said David Eidson, Co-CEO of RidgeWorth Investments. "It has been a pleasure to work with Cousins Properties and we look forward to growing our relationship with them."

The lease agreement with RidgeWorth Investments follows more than 300,000 square feet of leasing activity.

Terminus 200, owned by Cousins in partnership with Morgan Stanley, is a 25-story, 564,000- square-foot tower of Class A office, retail, and restaurant space located at the intersection of Peachtree and Piedmont roads in the Buckhead office submarket.

"We're thrilled to have RidgeWorth Investments relocate to Terminus 200," said Larry Gellerstedt, Chief Executive Officer at Cousins. "The recent leasing activity is encouraging and confirms Terminus 200 as Buckhead's premiere new-construction office tower."

Terminus 200, which has achieved Gold-level LEED certification, is the newest phase of the 10-acre Terminus development. The development includes the 100 percent leased, 656,000-squarefoot Terminus 100 office building and 10 Terminus Place, the first Terminus residential tower. Terminus 200 was developed in 2009.

About Terminus
Launched by Cousins in 2006, Terminus is a 9.9-acre, mixed-use development at the intersection of Piedmont and Peachtree roads in Atlanta that features high-rise homes, office towers and more than 70,000 square feet of retail. 10 Terminus Place, one of three buildings at Terminus, is a 32-story luxury condominium tower with 137 units that opened in the fall of 2008. The development also includes Terminus 100, a 27-story building that offers Class A office space, unmatched amenities and spectacular views of Atlanta. In September 2009, Terminus 200 opened with 564,000 square feet of office, retail, and restaurant space. 10 Terminus Place, Terminus 100 and Terminus 200 comprise a landmark urban community that redefines upscale living by merging fashion-forward boutiques, four-star dining, the highest quality office space and stunning high-rise homes into one prestigious destination. For more information, visit www.terminus-atlanta.com.

About Cousins Properties
Cousins Properties Incorporated is a leading diversified real estate company with extensive experience in development, acquisition, financing, management and leasing. Based in Atlanta, the Company actively invests in office, multi-family, retail and land development projects. Since its founding in 1958, Cousins has developed 20 million square feet of office space, 20 million square feet of retail space, more than 3,500 multi-family units and more than 60 single-family neighborhoods. The Company is a fully integrated equity real estate investment trust (REIT) and trades on the New York Stock Exchange under the symbol CUZ. For more, please visit www.cousinsproperties.com.

About RidgeWorth Investments
RidgeWorth Investments serves as a holding company that owns interests in eight investment boutiques with approximately $60 billion of assets under management as of June 30, 2010. RidgeWorth Investments is a trade name for RidgeWorth Capital Management, Inc., an investment adviser registered with the SEC headquartered in Atlanta. For more information, visit www.ridgeworth.com.