Alliance HealthCare Services to Present at the Deutsche Bank 34th Annual Healthcare Conference

Alliance HealthCare Services, Inc. (NYSE:AIQ), a leading national provider of outpatient diagnostic imaging and radiation therapy 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 Deutsche Bank 34th Annual Healthcare Conference on Tuesday, May 19, 2009, at 7:30 a.m. Eastern time. The conference will be held in Boston, Massachusetts.

Interested parties are invited to listen to the presentation, which will be available live over the internet at http://www.corporate-ir.net/ireye/conflobby.zhtml?ticker=AIQ&item_id=2176200. The presentation can also be accessed by visiting the company’s website at www.alliancehealthcareservices-us.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 on the company’s website until August 19, 2009.

About Alliance HealthCare Services

Alliance HealthCare Services 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 501 diagnostic imaging and radiation therapy systems, including 294 MRI systems and 119 PET or PET/CT systems, and served over 1,000 clients in 46 states at March 31, 2009. The Company operated 106 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 22 radiation therapy centers and stereotactic radiosurgery facilities (two radiation therapy centers are in unconsolidated joint ventures) as of March 31, 2009.