Alliance HealthCare Services, Inc. (NASDAQ: AIQ), a leading national provider of outpatient diagnostic imaging and radiation therapy services, announced today that it had been added to the Russell Global and Russell 3000 indexes. Alliance was included in the indexes after equity markets closed June 28, 2013 as Russell Investments reconstituted its comprehensive family of global indexes. Annual reconstitution of Russell's U.S. indexes captures the 4,000 largest U.S. publicly traded stocks as of the end of May, ranking them by total market capitalization. “We are honored to be included in the Russell indexes. It elevates our profile among investors, while bringing our strategy and achievements to the attention of a wider audience,” said Larry C. Buckelew, Chairman of the Board and Interim Chief Executive Officer of Alliance HealthCare Services. Membership in the Russell indexes remain in place for one year with membership determined primarily by objective, market-capitalization rankings and style attributes. The Russell indexes provide a comprehensive and unbiased barometer for evaluating stock performance in the U.S. and world-wide equity markets and are completely reconstituted annually to ensure new and growing equities are reflected. About Alliance HealthCare Services 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 44 states. Alliance operates 487 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 129 locations across the country. Alliance also operates 28 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.