Press Release: Donna Hyland

Cousins Properties Adds Donna Hyland to Board of Directors

ATLANTA — (May 6, 2014) — Cousins Properties Incorporated (NYSE: CUZ) announced today that Donna W. Hyland has been elected to its Board of Directors as of May 6, 2014. Ms. Hyland is the President and Chief Executive Officer of Children’s Healthcare of Atlanta, and she has served in various positions with Children’s since 1998, including Chief Operating Officer and Chief Financial Officer. She is also a director of the Advisory Board of SunTrust Bank of Georgia and Stone Mountain Industrial Park, Inc., and she holds leadership positions in a number of significant charitable organizations.

“Donna’s deep business and financial experience will bring a valuable perspective to our Board,” said Larry Gellerstedt, President and CEO. “We are delighted that she agreed to join the Cousins team.”

Cousins Properties Incorporated is a leading fully integrated real estate investment trust (REIT) with extensive experience in development, acquisition, financing, management and leasing. Based in Atlanta, the Company actively invests in top-tier urban office assets and opportunistic mixed-use developments in Sunbelt markets. For more information, please visit www.cousinsproperties.com.

This press release does not constitute an offer of any securities for sale. Certain matters discussed in this press release, such as our expectations regarding future cash flow, are forward-looking statements within the meaning of the federal securities laws and are subject to uncertainties and risk and actual results may differ materially from projections. Readers should carefully review Cousins’ financial statements and notes thereto, as well as the risk factors described in Part I, Item 1A of the Company’s Annual Report on Form 10-K for the year ended December 31, 2013 and other documents Cousins files from time to time with the Securities and Exchange Commission. Such forward-looking statements are based on current expectations and speak as of the date of such statements. Cousins undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of future events, new information or otherwise.