American Shared Hospital Services Has No Comment on Trading Activity

AMERICAN SHARED HOSPITAL SERVICES (NYSE MKT:AMS), a leading provider of turnkey technology solutions for advanced radiosurgical and radiation therapy services, announced today that the NYSE MKT has notified the Company about unusual trading activity in its stock. It is the Company’s policy to not comment on unusual trading activity.

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 the latest IGRT and IMRT systems, as well as its proprietary Operating Room for the 21st CenturySM concept. AMS owns a common stock investment in Mevion Medical Systems, Inc., developer of the compact MEVION S250 Proton Therapy System.

Safe Harbor Statement

This press release may be deemed to contain certain forward-looking statements with respect to the financial condition, results of operations and future plans of American Shared Hospital Services, which involve risks and uncertainties including, but not limited to, the risks of the Gamma Knife and radiation therapy businesses, the risks of developing The Operating Room for the 21st Century program, and the risks of investing in a development-stage company, Mevion Medical Systems, Inc. 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, 2013, the Quarterly Report on Form 10-Q for the quarter ended on March 31, 2014, and the definitive Proxy Statement for the Annual Meeting of Shareholders held on June 10, 2014.

American Shared Hospital ServicesErnest A. Bates, M.D., 415-788-5300Chairman and Chief Executive [e-mail] AssociatesNeil Berkman, [e-mail]