Arden Realty, Inc. to Host Fourth Quarter 2004 Conference Call.

LOS ANGELES -- Arden Realty, Inc. (NYSE: ARI) announced today that it will release its fourth quarter 2004 earnings on Wednesday, February 2, 2005. A conference call will follow on Thursday, February 3, 2005 at 1:00 P.M. Eastern Time. A hyperlink to the live webcast of this call will be available in the Investor Information section of the Company's website at http://www.ardenrealty.com or at http://www.companyboardroom.com.

A replay will be available after the call by dialing 800-642-1687 (U.S.) or 706-645-9291 (International) from 3:00 P.M. Eastern Time on Thursday, February 3, 2005 through 3:00 P.M. Eastern Time on Thursday, February 17, 2005 (access code 3380379). During this period, an on-demand webcast replay will also be available from a hyperlink in the Investor Information section of the Company's website at http://www.ardenrealty.com or at http://www.companyboardroom.com.

In addition to information included in Arden Realty, Inc.'s February 2, 2005 earnings release, the Company will also provide supplemental operating and financial data for the fourth quarter 2004. This supplemental data will be available in the Investor Information section (under Financial Reports) of the Company's website at http://www.ardenrealty.com when the fourth quarter 2004 earnings are released.

Arden Realty, Inc. is a self-administered, self-managed REIT that owns, manages, leases, develops, renovates and acquires commercial office properties located in Southern California. Arden is the largest publicly traded office landlord in Southern California, with 120 properties, consisting of 193 buildings and approximately 18.2 million net rentable square feet of office space, including one building with 99,000 square feet under renovation. For more information on the company, visit the Arden website at http://www.ardenrealty.com.

This conference call may contain forward-looking statements based on current expectations, forecasts and assumptions that involve risks and uncertainties that could cause actual outcomes and results to differ materially. These risks and uncertainties include the national and Southern California economic climate, Southern California real estate conditions, the perceptions of prospective tenants of the attractiveness of our properties, our ability to manage and maintain our properties and secure adequate insurance, potential increases in operating costs (including real estate taxes and utilities), changes in applicable laws (including tax laws), interest rate levels, and the availability of financing. For a further list and description of such risks and uncertainties, see the reports filed by the Company with the Securities and Exchange Commission. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.