For more information
Ernest A. Bates, M.D., Chairman and CEO
email: eabates@ashs.com

American Shared Hospital Services
Two Embarcadero Center, Suite 410
San Francisco, CA 94111

American Shared Hospital Services Announces Contract to Supply a Gamma Knife Perfexion System to Bryan Medical Center

San Francisco, CA – March 2, 2017 -- AMERICAN SHARED HOSPITAL SERVICES (NYSE MKT:AMS),a leading provider of turnkey technology solutions for advanced radiosurgical and radiation therapy services, announced today that it has entered into a contract to supply a Gamma Knife® Perfexion™ system to Bryan Medical Center, Lincoln, Nebraska. This new Gamma Knife system, the eighteenth in AMS' portfolio, is expected to begin treating patients in the second half of 2017. 

AMS Chairman and Chief Executive Officer Ernest A. Bates, M.D., said, "AMS continues to lead the way in making the Gamma Knife Perfexion system available to hospitals and their brain tumor, trigeminal neuralgia and vascular malformation patients throughout the United States.  We are pleased that AMS' creative financing solutions will make it possible for patients at Bryan Medical Center to benefit from this advanced therapeutic technology." 

About AMS
American Shared Hospital Services provides turnkey technology solutions for advanced radiosurgical and radiation therapy services.  AMS is the world leader in providing Gamma Knife radiosurgery equipment, a non‑invasive treatment for malignant and benign brain tumors, vascular malformations and trigeminal neuralgia (facial pain).  The Company also offers proton therapy and the latest IGRT and IMRT systems.  AMS owns a common stock investment in Mevion Medical Systems, Inc., developer of the compact MEVION S250 Proton Therapy System.

About Bryan Medical Center
Bryan Medical Center is a 640-bed, non-profit, locally owned, health care organization serving patients throughout Nebraska, as well as parts of Kansas, Iowa, South Dakota and other states in the region. Bryan Medical Center includes two acute care facilities (Bryan East Campus and Bryan West Campus) and many outpatient clinics.  Premier services include cardiology, neuroscience, orthopedics, vascular, a Level II Trauma Center, emergency departments, intensive care, women’s and children’s health, a Level III NICU, imaging and mental health. Bryan Medical Center also offers inpatient rehabilitation, mobile diagnostics and treatment, gastroenterology, oncology, urology, nephrology, pulmonary and general medicine, robotic assisted surgery and a comprehensive bariatrics program.

Safe Harbor Statement
This press release may be deemed to contain certain forward‑looking statements with respect to the initiation of patient treatments using the Gamma Knife Perfexion system American Shared Hospital Services will supply to Bryan Medical Center. These statements involve risks and uncertainties including, but not limited to, the risks of the timing, financing, and operations of the Company’s Gamma Knife business.  Further information on potential factors that could affect the financial condition, results of operations and future plans of American Shared Hospital Services is included in the filings of the Company with the Securities and Exchange Commission, including the Company's Annual Report on Form 10‑K for the year ended December 31, 2015, its Form 10-Q for the quarters ended March 31, 2016, June 30, 2016 and September 30, 2016, and the definitive Proxy Statement for the Annual Meeting of Shareholders held on June 21, 2016.

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