Alliance HealthCare Services Schedules Conference Call and Webcast to Review First Quarter 2013 Financial Results

<0> Alliance HealthCare ServicesHoward Aihara, 949-242-5300Executive Vice PresidentChief Financial Officer </0>

Alliance HealthCare Services (NASDAQ:AIQ) announced today that it will host a conference call and webcast on Thursday, May 2, 2013 at 8:30 a.m. Eastern Time to discuss the Company’s first quarter 2013 financial results, which are scheduled to be released after the market closes on Wednesday, May 1, 2013. Larry C. Buckelew, Chairman of the Board and interim Chief Executive Officer, is scheduled to host the call. Also scheduled to participate are Michael J. Shea, Chief Operating Officer, and Howard K. Aihara, Executive Vice President and Chief Financial Officer.

The conference call can be accessed at 877-638-4550 or 973-582-2737. Interested parties should call at least 5 minutes prior to the call to register. A telephone replay will be available until June 2, 2013. The telephone replay can be accessed by calling 855-859-2056 or 404-537-3406. The conference call identification number is 57738660.

Additionally, a live webcast of the call will be available on the Company’s website at . 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 June 2, 2013.

Alliance HealthCare Services is a leading national provider of advanced outpatient diagnostic imaging and radiation therapy services based upon annual revenue and number of systems deployed. Alliance focuses on MRI, PET/CT and CT through its Imaging division and radiation therapy through its Oncology division. With approximately 1,800 team members committed to providing exceptional patient care and exceeding customer expectations, Alliance provides quality clinical services for over 1,000 hospitals and other healthcare partners in 45 states. Alliance operates 490 diagnostic imaging and radiation therapy systems. The Company is the nation’s largest provider of advanced diagnostic mobile imaging services and one of the leading operators of fixed-site imaging centers, with 128 locations across the country. Alliance also operates 29 radiation therapy centers, including 17 dedicated stereotactic radiosurgery facilities, many of which are operated in conjunction with local community hospital partners, providing treatment and care for cancer patients. With 17 stereotactic radiosurgery facilities in operation, Alliance is among the leading providers of stereotactic radiosurgery nationwide.