Alliance Imaging Announces Common Stock Repurchase Program.

Business Editors

ANAHEIM, Calif.--(BUSINESS WIRE)--May 5, 2003

Alliance Imaging, Inc. (NYSE:AIQ), a leading national provider of outsourced diagnostic imaging services, announced today that its board of directors has authorized the Company, as market and business conditions warrant, to repurchase up to 1,000,000 shares of Alliance Imaging's common stock for cash. Purchases may be made in the open market or in privately negotiated transactions from time to time at management's discretion. Alliance Imaging currently has approximately 47.7 million shares outstanding.

Paul S. Viviano, President and Chief Executive Officer, stated, "We believe that our equity is currently trading at price levels that makes our stock an attractive investment."

Alliance Imaging, Inc. is a leading national provider of outsourced diagnostic imaging services. Alliance provides imaging and therapeutic services, primarily to hospitals and other healthcare providers on a mobile, shared-service basis. The Company had 455 diagnostic imaging systems, including 358 MRI systems, and 1,334 clients in 43 states at March 31, 2003.

This press release contains forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. These statements involve risks and uncertainties that could cause actual results to differ materially from those projected. For a complete list of risks and uncertainties, please refer to the Risk Factor section of the Company's Form 10-K for the year ended December 31, 2002 filed with the Securities and Exchange Commission.