Alliance HealthCare Services to Participate in the 3rd Annual Piper Jaffray Cancer Summit

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, is scheduled to participate at the 3rd Annual Piper Jaffray Cancer Summit on Tuesday, July 14, 2009 and Wednesday, July 15, 2009. The conference will be held in Minneapolis, Minnesota.

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.