ALLIANCE ONCOLOGY PARTNERS WITH SAINT PETER’S UNIVERSITY HOSPITAL

NEWPORT BEACH, Calif. & New Brunswick, NJ. – June 21, 2016 — Alliance Oncology, a division of Alliance HealthCare Services, Inc. (NASDAQ:AIQ), a leading national provider of outsourced healthcare services, announced today it has completed a partnership agreement with the Saint Peter’s University Cyberknife Center, aligning the New Brunswick, New Jersey site with their national network of cancer centers. This agreement is in partnership with Saint Peter’s University Hospital and Sovereign Radiation Oncology (local physicians), with Alliance Oncology as the managing member. With Alliance Oncology’s proven leadership in evidence-based oncology partnerships, they will bring best in class clinical quality and patient experience to the community, while adding value with their vast network of physician partnerships. Operations commenced on June 1.

“We are pleased to add this partnership to our national network of cancer centers” said Greg Spurlock, President of Alliance Oncology. “This partnership is a great addition to our network of cancer centers in New Jersey and Pennsylvania. We are delighted to partner with a strong health system and outstanding physician partners.”

Alliance Oncology, an industry leader in radiation oncology center development, partnering directly with hospitals, radiation oncologists and other healthcare providers to establish and operate radiation oncology programs. Providing a full range of service line capabilities (inpatient & outpatient), Alliance Oncology’s fully integrated, comprehensive approach to cancer care, affords its partners the speed-tomarket, quality clinical outcomes, and operational expertise that sets them apart from the competition.

“This partnership has come at a great time for the hospital,” said Ronald C. Rak, CEO, Saint Peter’s Healthcare System. “Our patients and our community are the most important to us and with Alliance Oncology’s expertise we know quality of care and patient satisfaction will become even greater than it is today.”

“This partnership strengthens Saint Peter’s University Hospital CyberKnife Program and we plan to work with Alliance Oncology to further our clinical programs and participate in various clinical trials. Alliance Oncology complements the excellent quality of care and patient satisfaction already evident at Saint Peter’s University Hospital.” – Dr. Gopal R. Desai

About Saint Peter’s University Hospital

Located in New Brunswick, NJ, Saint Peter’s University Hospital has been serving the healthcare needs of central New Jersey for more than a century. From their simple beginnings in 1907, Saint Peter’s has grown to become a technologically advanced, 478-bed teaching hospital that provides a broad array of services to the community. Saint Peter’s University Hospital, a member of the Saint Peter’s Healthcare System, is a non-profit, acute care facility sponsored by the Roman Catholic Diocese of Metuchen, NJ. Saint Peter’s brings the latest medical practices and highly skilled professionals to the bedside. They treat more than 30,000 inpatients and more than 200,000 outpatients annually. They employ 2,800 healthcare professionals and support personnel, and more than 900 physicians and dentists have privileges at their facility. For more information, visit https://www.saintpetershcs.com/cyberknife.

About Sovereign Oncology

The physicians at Sovereign Oncology are fellowship trained to treat malignancies of any site. Their experts have published extensively in the nations’ leading peer reviewed journals and have vast experience treating cancers of all sites, including prostate, breast, lung, brain and cancers of the gastrointestinal and gynecologic systems. Sovereign Oncology offers our patients state-of-the-art technology in a compassionate outpatient setting. With VMAT IMRT and cone beam IGRT, radiotherapy treatments at Sovereign Oncology allows targeted radiotherapy to be delivered precisely and safely every day. For more information, visit https://doctor.webmd.com/practice/sovereign-medical-group-radiation-oncology-6db468c8-4703-e211-a42b-001f29e3eb44-overview.

About Alliance HealthCare Services

Alliance HealthCare Services (NASDAQ: AIQ) is a leading national provider of outsourced healthcare services to hospitals and providers. We also operate freestanding outpatient radiology, oncology and interventional services clinics, and Ambulatory Surgical Centers (“ASC”) that are not owned by hospitals or providers. Diagnostic radiology services are delivered through the Radiology Division (Alliance HealthCare Radiology), radiation oncology services are delivered through the Oncology Division (Alliance Oncology), and interventional and pain management services are delivered through the Interventional Services Division (Alliance HealthCare Interventional Partners). Alliance is the nation’s largest provider of advanced diagnostic mobile imaging services, an industry-leading operator of fixed-site imaging centers, and a leading provider of stereotactic radiosurgery nationwide. As of March 31, 2016, Alliance operated 601 diagnostic radiology and radiation therapy systems, including 117 fixed-site radiology centers across the country, and 32 radiation therapy centers and SRS facilities. With a strategy of partnering with hospitals, health systems and physician practices, Alliance provides quality clinical services for over 1,000 hospitals and other healthcare partners in 45 states, where approximately 2,400 Alliance Team Members are committed to providing exceptional patient care and exceeding customer expectations. For more information, visit https://www.alliancehealthcareservices-us.com.