AMERICAN SHARED HOSPITAL SERVICES (NYSE AMEX:AMS), a leading provider of turnkey technology solutions for advanced radiosurgical and radiation therapy services, announced today that its 2011 Annual Meeting of Shareholders will be held on June 9, 2011 at 9:00 a.m. PDT in the Conference Center, Four Embarcadero Center, San Francisco, California 94111. The Board of Directors has fixed the close of business on April 22, 2011 as the record date for determination of shareholders entitled to notice of and to vote at the Annual Meeting. About AMS American Shared Hospital Services ( www.ashs.com) provides turnkey technology solutions for advanced radiosurgical and radiation therapy services. Since 1991, AMS' creative financing solutions have enabled its clinical partners to make the latest advances in radiation oncology available to patients at an affordable price. 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 Century® concept. AMS also is a leader in proton beam radiation therapy (PBRT), the next great growth opportunity in radiation oncology. AMS currently is developing PBRT centers in Dayton, Ohio (Kettering Medical Center), Boston, Massachusetts (Tufts Medical Center), Orlando, Florida (Orlando Regional Healthcare) and Long Beach, California (Long Beach Memorial Medical Center), and is negotiating additional projects. AMS also owns a preferred stock investment in Still River Systems, Inc., developer of the compact Monarch 250 PBRT system, which has not yet been approved by the FDA. 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, Still River Systems, Inc., without a proven product. 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, 2010, and the definitive Proxy Statement for the Annual Meeting of Shareholders held on June 2, 2010.