Exhibit 99.1

         American Spectrum Realty Announces Offer to Purchase
         485,000 Shares of Hartman Commercial Properties REIT


    HOUSTON--(BUSINESS WIRE)--Dec. 14, 2006--American Spectrum Realty,
Inc. (AMEX:AQQ), a Houston real estate investment and management
company, announced that it was making an offer to purchase up to
485,000 common shares (or approximately 4.9%) of Hartman Commercial
Properties REIT for $10 per share. The offer is not conditioned on
financing, any minimum number of shares being tendered or any approval
by Hartman Commercial Properties REIT. The offer is being made
directly to the Hartman shareholders, who may contact American
Spectrum for further information at 713-706-6200. The offer will
commence immediately and expire on February 28, 2007 unless extended.
Shares will be purchased on a "first come, first served" basis.

    William J. Carden, Chairman and CEO of American Spectrum, said
that American Spectrum was renewing its offer to the Hartman Board of
Directors to negotiate an acquisition by American Spectrum of all of
the Hartman shares at $10 per share.

    American Spectrum Realty, Inc. is a real estate investment and
management company that owns 26 office, industrial and retain
properties aggregating approximately 2.1 million square feet in
California, Texas, Arizona, South Carolina and the Midwest. Publicly
traded on the American Stock Exchange since November 2001, American
Spectrum Realty's business plan focuses on expansion of office and
industrial property investments in California, Texas and Arizona.


    CONTACT: American Spectrum Realty, Inc., Houston
             William J. Carden, 713-706-6200
             Chairman, President and CEO