Sandra A.J. Lawrence Joins Board of Directors of American Shared Hospital Services

AMERICAN SHARED HOSPITAL SERVICES (NYSE AMERICAN:AMS), a leading provider of turnkey technology solutions for advanced radiosurgical and radiation therapy services, announced today that Sandra A.J. Lawrence has been appointed to the Company's Board of Directors.

Sandra Lawrence is Chief Administrative Officer and Executive Vice President of The Children's Mercy Hospitals and Clinics (CMH), Kansas City's pediatric medical center and healthcare network, with responsibility for integrated care, network solutions and managed care operations, human resources, information systems, government relations, occupational health, and other critical operations. From 2005 to 2016, she was Chief Financial Officer and Executive Vice President of CMH and, prior to that, served on the hospital's Governing Board and Foundation Board. Earlier, Lawrence worked at Midwest Research Institute, an independent laboratory that conducts scientific, applied research and technology development for defense, energy and life sciences, most recently serving as Chief Financial Officer and Senior Vice President.

Lawrence earned an MBA from Harvard Business School, a Master's in Architecture from MIT, and an A.B. from Vassar College.

AMS Chairman and Chief Executive Officer Ernest A. Bates, M.D. comments that, "Sandra Lawrence brings years of directly relevant experience in hospital management and operations, as well as expert knowledge of both government and private health insurance systems, to her new role on AMS' Board of Directors. We welcome Sandra to AMS' Board, and look forward to working closely with her in the years to come."

Lawrence becomes the eighth member of AMS's Board, and the sixth outside Director.

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.

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 (including statements regarding the expected contribution of Sandra Lawrence to the Company's operations) which involve risks and uncertainties including, but not limited to, the risks of variability of financial results between quarters, the risks of the Gamma Knife and radiation therapy businesses, the risks of developing The Operating Room for the 21st Century program, the risks of investing in Mevion Medical Systems, Inc., and the risks of the timing, financing, and operations of the Company’s proton therapy 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, 2016, its Quarterly Reports on Form 10-Q for the three months ended March 31, 2017 and June 30, 2017, and the definitive Proxy Statement for the Annual Meeting of Shareholders held on June 27, 2017.

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