Maguire Properties to Release Third Quarter 2009 Financial Results on November 2, 2009

Maguire Properties (NYSE:MPG), a Southern California focused real estate investment trust, announced today that it will release financial results for the third quarter of 2009 on Monday, November 2, 2009 before the day’s trading on the New York Stock Exchange. The Company will host a conference call and audio web cast, both open to the general public, at 8:00 A.M. Pacific Time (11:00 A.M. Eastern Time) on Tuesday, November 3, 2009 to discuss the financial results of the third quarter and provide a company update.

The conference call can be accessed by dialing (866) 394-8461 (Domestic) or (706) 758-3042 (International), ID number 37672624. A replay will be available through November 6, 2009 by dialing (800) 642-1687 (Domestic) or (706) 645-9291 (International). The required pass code for the replay is ID number 37672624.

The live conference call and replay can be accessed via audio web cast at the Investor Relations section of the Company’s web site, located at www.maguireproperties.com, or through CCBN at www.fulldisclosure.com.

About Maguire Properties Inc.

Maguire Properties, Inc. is the largest owner and operator of Class A office properties in the Los Angeles central business district and is primarily focused on owning and operating high-quality office properties in the Southern California market. Maguire Properties, Inc. is a full-service real estate company with substantial in-house expertise and resources in property management, marketing, leasing, acquisitions, development and financing. The Company expects to qualify as a real estate investment trust for federal income tax purposes.