Alliance Imaging to Present at the UBS 2007 Leveraged Finance Conference.

ANAHEIM, Calif. -- Alliance Imaging, Inc. (NYSE:AIQ), a leading health care services provider of diagnostic imaging services, announced that Paul S. Viviano, Chairman of the Board and Chief Executive Officer, and Howard K. Aihara, Executive Vice President and Chief Financial Officer, are scheduled to present at the UBS 2007 Leveraged Finance Conference on Thursday, May 10, 2007, at 9:15 a.m. Pacific time. The conference will be held at the Wynn Hotel in Las Vegas, Nevada.

Interested parties are invited to listen to the presentation, which will be available live over the Company's website at www.allianceimaging.com. Click on the Audio Presentations in the Investors section of the website to access the link. A replay of this webcast will be available until June 10, 2007.

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 326 MRI systems and 77 PET or PET/CT systems, and served over 1,000 clients in 43 states at March 31, 2007. Of these 494 diagnostic imaging systems, 72 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.