Exhibit 99.1

200 17th Street

Manhattan Beach, CA 90266

May 26, 2011

Mr. William J. Carden

Chairman of the Board

American Spectrum Realty, Inc.

2401 Fountain View, Suite 510

Houston, TX 77057

Dear Jay:

It is with a great deal of regret that I must resign from the Board of Directors of American Spectrum Realty, Inc. I do so for personal reasons. I wish all the success for American Spectrum and have enjoyed the friendship of the directors and officers of the company. The resignation is effective May 27, 2011.

Sincerely yours,

/s/ William W. Geary, Jr.

William W. Geary, Jr.