Company Release - 4/12/11

SAN DIEGO -American Assets Trust, Inc. (NYSE:AAT) (the "Company") will announce its first quarter 2011 earnings in a press release to be issued on May 10, 2011.

The Company will hold a conference call for its first quarter 2011 earnings on Wednesday, May 11, 2011 at 10:00 a.m. Pacific Daylight Time ("PDT").  Conference call access information is as follows:

Toll Free Number:  1-888-680-0879
Pass Code: 23907171

A telephonic replay of the conference call will be available beginning at 1:00 p.m. PDT on Wednesday, May 11, 2011 through Wednesday, May 25, 2011.  Replay access information is as follows:

Toll Free Number: 1-888-286-8010
Pass Code: 48213639

A live on-demand audio webcast of the conference call will be available on the Company's website at www.americanassetstrust.com.  

About American Assets Trust, Inc.

American Assets Trust, Inc. is a full service, vertically integrated and self-administered real estate investment trust, or REIT, that owns, operates, acquires and develops high quality retail and office properties in attractive, high-barrier-to-entry markets primarily in Southern California, Northern California, Hawaii and Oregon.  The Company was formed to succeed to the real estate business of American Assets, Inc., a privately held corporation founded in 1967 and, as such, has significant experience, long-standing relationships and extensive knowledge of its core markets, submarkets and asset classes.  The Company's retail portfolio comprises approximately 3.0 million rentable square feet, and its office portfolio comprises approximately 1.8 million square feet.  In addition the company owns one mixed-use property (including approximately 97,000 rentable square feet of retail space and a 369-room all-suite hotel) and over 900 multifamily units.  The Company intends to elect to be treated as a real estate investment trust, or REIT, for U.S. federal income tax purposes, commencing with the taxable year ending December 31, 2011.

Forward Looking Statements

This press release may contain forward-looking statements within the meaning of the federal securities laws that are based on current expectations, forecasts and assumptions that involve risks and uncertainties that could cause actual outcomes and results to differ materially.  Forward-looking statements relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends and similar expressions concerning matters that are not historical facts. In some cases, you can identify forward-looking statements by the use of forward-looking terminology such as "may," "will," "should," "expects," "intends," "plans," "anticipates," "believes," "estimates," "predicts," or "potential" or the negative of these words and phrases or similar words or phrases which are predictions of or indicate future events or trends and which do not relate solely to historical matters.  While forward-looking statements reflect the Company's good faith beliefs, assumptions and expectations, they are not guarantees of future performance.  Furthermore, the Company disclaims any obligation to publicly update or revise any forward-looking statement to reflect changes in underlying assumptions or factors, of new information, data or methods, future events or other changes.  

Source:  American Assets Trust, Inc.

Investor and Media Contact:

American Assets Trust

Robert F. Barton
Executive Vice President and Chief Financial Officer
858-350-2607