X0306 4 2017-06-27 0 0000744825 AMERICAN SHARED HOSPITAL SERVICES AMS 0001032011 RUFFLE JOHN F 77 PLEASANTVILLE ROAD NEW VERNON NJ 07976 1 0 1 0 Common Stock, No Par Value 2017-06-27 4 A 0 500 0 A 544349 D Stock Options (right to buy) 3.9 2017-06-27 4 A 0 2000 0 A 2018-06-26 2024-06-26 Common Stock 2000 2000 D This represents an award of restricted stock units. Each unit will entitle the reporting person to one share of the issuer's common stock upon vesting. The units will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 27, 2017, or (II) such individual's continuation in Board service through the day immediately preceding the 2018 Annual Shareholders Meeting (the "Vesting Date"). Includes 500 shares subject to the reported restricted stock unit award which will vest in full upon the Vesting Date. The reported stock option will vest in full upon the earlier of (I) the reporting person's completion of one year of service measured from June 27, 2017, or (II) such individual's continuation in Board service through the day immediately preceding the 2018 Annual Shareholders Meeting (the "Vesting Date"). /s/ Chloe Tagawa on behalf of John F. Ruffle 2017-06-29