Alliance Imaging Announces Pricing of Secondary Offering.

ANAHEIM, Calif. -- Alliance Imaging, Inc. (NYSE:AIQ), a leading national provider of diagnostic imaging services, announced today the pricing of an underwritten secondary public offering of 8 million shares of its common stock by certain selling stockholders at a public offering price of $5.75 per share. The underwriters of the offering have a 30-day option to purchase up to an additional 1.2 million shares of common stock from selling stockholders to cover over-allotments, if any. Alliance Imaging will not receive any proceeds from this transaction.

Citigroup Corporate and Investment Banking and Merrill Lynch & Co are acting as joint book-running managers for the underwritten offering. Deutsche Bank Securities and Piper Jaffray & Co. are acting as co-managers for the underwritten offering. The offering is being made only by means of a written prospectus forming part of the effective registration statement. Copies of the final prospectus related to this offering may be obtained from Citigroup Corporate and Investment Banking, at Brooklyn Army Terminal, 140 58th Street, 8th Floor, Brooklyn, NY 11220 (tel: [phone]; fax: [phone]) or from Merrill Lynch & Co, at 4 World Financial Center, Prospectus Department, New York, NY 10080 (tel: [phone]).

The shares are being issued pursuant to an effective registration statement that was previously filed with the Securities and Exchange Commission. This announcement does not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any jurisdiction in which the offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of that jurisdiction.

About Alliance Imaging

Alliance Imaging is a leading national provider of shared-service and fixed-site diagnostic imaging services, based upon annual revenue and number of diagnostic imaging systems deployed. Alliance provides imaging and therapeutic services primarily to hospitals and other healthcare providers on a shared and full-time service basis, in addition to operating a growing number of fixed-site imaging centers. The Company had 494 diagnostic imaging systems, including 334 MRI systems and 71 PET or PET/CT systems, and served over 1,000 clients in 43 states at September 30, 2006. Of these 494 diagnostic imaging systems, 74 were located in fixed-sites, which includes systems installed in hospitals or other buildings on or near hospital campuses, medical groups' offices, or medical buildings and retail sites.

Forward-Looking Statements

This release contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements relate to, among other things, the expected use of the net proceeds from the offering. Forward-looking statements generally can be identified by the use of forward-looking terminology such as, "believe," "expect," "may," "will," "intend," "estimate," "continue," or similar expressions or the negative of those terms or expressions. Such statements involve risks and uncertainties, which could cause actual results to vary materially from those expressed in or indicated by the forward-looking statements. For a complete list of risks and uncertainties, please refer to the "Risk Factors" in the Company's public reports filed with the Securities and Exchange Commission, including the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2005, as updated by subsequent Quarterly Reports on Form 10-Q and Current Reports on Form 8-K. The Company cautions you not to place undue reliance on forward-looking statements, which reflect an analysis only and speak only as of the date hereof. Alliance Imaging disclaims any obligation to update these forward-looking statements.