Alliance Imaging Schedules Conference Call and Webcast to Review First Quarter 2008 Financial Results.

ANAHEIM, Calif. -- Alliance Imaging, Inc. (NYSE:AIQ) announced today that it will host a conference call and webcast on Thursday, May 1, 2008 at 8:30 a.m. Eastern Time to discuss the Company's first quarter 2008 financial results, which are scheduled to be released after the market closes on Wednesday, April 30, 2008. Paul S. Viviano, Chairman and Chief Executive Officer, is scheduled to host the call. Also scheduled to participate is Howard K. Aihara, Executive Vice President and Chief Financial Officer.

The conference call can be accessed at 888-694-4676 (United States) or 973-582-2737 (International). Interested parties should call at least 5 minutes prior to the call to register. A telephone replay will be available until August 1, 2008. The telephone replay can be accessed by calling 800-642-1687 (United States) or 706-645-9291 (International). The conference call identification number is 44841846.

Additionally, a live webcast of the call will be available on Alliance Imaging's website at www.allianceimaging.com. Click on Audio Presentations in the Investors section of the website to access the link. A replay of the webcast will be available on the Company's website until August 1, 2008.

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 488 diagnostic imaging systems, including 310 MRI systems and 79 PET or PET/CT systems, and served over 1,000 clients in 44 states at December 31, 2007. The Company operated 88 fixed-site imaging centers (five 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 12 radiation therapy centers (two in unconsolidated joint ventures) as of December 31, 2007.