Alliance Imaging Announces Name Change to “Alliance HealthCare Services”

Alliance Imaging, Inc. (NYSE:AIQ) ("the Company"), a leading national provider of outpatient diagnostic imaging and radiation therapy services, announced today that its Board of Directors and shareholders have approved a change of the Company’s name to “Alliance HealthCare Services,” effective February 17, 2009. Under the umbrella of Alliance HealthCare Services, the Company’s imaging and oncology divisions will continue to operate under the names of Alliance Imaging and Alliance Oncology. The Company will also continue to trade on the New York Stock Exchange under the “AIQ” trading symbol.

Chairman of the Board and Chief Executive Officer Paul S. Viviano stated, “The change in our name to Alliance HealthCare Services reflects the continued progress of Alliance’s strategic plan to expand the clinical services we offer to our hospital and physician partners. Under the umbrella of Alliance HealthCare Services, our dedicated team members will continue to provide outstanding clinical care through our Alliance Imaging and Alliance Oncology divisions while we continue to investigate other attractive services to provide our network of over one thousand hospital and clinical clients.”

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, and a provider of radiation therapy services. 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 488 diagnostic imaging and radiation therapy systems, including 303 MRI systems and 88 PET or PET/CT systems, and served over 1,000 clients in 46 states at September 30, 2008. The Company operated 92 fixed-site imaging centers (four in unconsolidated joint ventures), which includes systems installed in hospitals or other buildings on or near hospital campuses, medical groups’ offices, or medical buildings and retail sites. The Company also operated 18 radiation therapy centers and stereotactic radiosurgery facilities (two radiation therapy centers are in unconsolidated joint ventures) as of September 30, 2008.

Forward-Looking Statements

This press release contains forward-looking statements relating to future, not past, events. In this context, forward-looking statements often address our expected future business and financial results and often contain words such as “expects,” “anticipates,” “intends,” “plans,” “believes,” “seeks” or “will.” Forward-looking statements by their nature address matters that are uncertain and subject to risks. Such uncertainties and risks include: changes in the preliminary financial results and estimates due to the restatement or review of the Company’s financial statements; the nature, timing and amount of any restatement or other adjustments; the Company’s ability to make timely filings of its required periodic reports under the Securities Exchange Act of 1934; issues relating to the Company’s ability to maintain effective internal control over financial reporting and disclosure controls and procedures; factors affecting our leverage, including fluctuations in interest rates, the risk that the counterparties to our interest rate swap agreements fail to satisfy their obligations under these agreements, our ability to incur financing, the effect of operating and financial restrictions in our debt instruments, the accuracy of our estimates regarding our capital requirements, the effect of intense levels of competition in the industry, changes in the rates or methods of third party reimbursements for diagnostic imaging services, changes in the healthcare regulatory environment, our ability to keep pace with technological developments within our industry, difficulties the Company may face in connection with recent, pending or future acquisitions, including unexpected costs or liabilities resulting from the acquisitions, diversion of management’s attention from the operation of the Company’s business, and risks associated with integration of the acquisitions; and other risks and uncertainties identified in the Risk Factors section of the Company’s Form 10-K for the year ended December 31, 2007, filed with the Securities and Exchange Commission. These uncertainties may cause actual future results or outcomes to differ materially from those expressed in the Company’s forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. The Company does not undertake to update its forward-looking statements except as required under the federal securities laws.