AMERICAN SHARED HOSPITAL SERVICES Lease Agreements

Third Amendment to Lease Agreement for a Gamma Knife Unit (Perfexion Upgrade) dated as of June 1, 2020 between GK Financing, LLC and Methodist Healthcare System of San Antonio, LTD (Filed With SEC on May 12, 2023)

Addendum Five to Lease Agreement for a Gamma Knife Unit dated as of April 28, 2021 between GK Financing, LLC and OSF Healthcare System (Filed With SEC on March 30, 2022)

Amendment Two to Equipment Lease Agreement (Reload) dated as of October 7, 2020 between GK Financing, LLC and Northern Westchester Hospital Association (Filed With SEC on May 13, 2021)

Addendum Four to Lease Agreement for a Gamma Knife Unit dated as of February 6, 2020 between GK Financing, LLC and OSF Healthcare System (Filed With SEC on April 6, 2021)

Icon Upgrade and Amendment Two to Equipment Lease Agreement for a Gamma Knife Unit dated as of October 15, 2019 between GK Financing, LLC and Lovelace Health Systems, LLC (Filed With SEC on November 13, 2020)

First Amendment to Lease Agreement for a Gamma Knife Unit (Perfexion upgrade) dated as of April 23, 2020 between GK Financing, LLC and Tufts Medical Center, Inc (Filed With SEC on August 14, 2020)

Equipment Lease Agreement (for a Gamma Knife Unit) dated as of May 8, 2018 between The Methodist Hospitals, Inc. and GK Financing, LLC (Filed With SEC on May 13, 2019)

Addendum Five to Lease Agreement for a Gamma Knife Unit dated as of April 25, 2017 between the Community Hospital Group, Inc. dba JFK Medical Center and GK Financing, LLC (Filed With SEC on August 9, 2018)

First Amendment to Equipment Lease Agreement (for a Gamma Knife unit) dated as of February 14, 2018 between Bryan Medical Center and GK Financing, LLC (Filed With SEC on May 10, 2018)

Equipment Lease Agreement (for a Gamma Knife Unit) dated as of February 21, 2017 between Bryan Medical Center and GK Financing, LLC (Filed With SEC on November 13, 2017)

Second Amendment to Lease Agreement for a Gamma Knife Unit dated as of June 30, 2006 between Yale - New Haven Ambulatory Services Corporation, Yale New Haven Hospital, Inc. a/k/a... (Filed With SEC on November 13, 2017)

ADDENDUM FOUR TO EQUIPMENT LEASE AGREEMENT (Filed With SEC on August 10, 2017)

ADDENDUM FOUR TO LEASE AGREEMENT FOR A GAMMA KNIFEUNIT (Filed With SEC on May 15, 2017)

ADDENDUM THREE TO EQUIPMENT LEASE AGREEMENT (Filed With SEC on March 27, 2017)

ADDENDUM TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on August 11, 2016)

ADDENDUM TWO TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on August 11, 2016)

ADDENDUM THREE TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on August 11, 2016)

AMENDMENT ONE TO PROTON BEAM RADIATION THERAPY LEASE AGREEMENT (Filed With SEC on August 11, 2016)

LEASE AGREEMENT FOR A GAMMA KNIFEUNIT (Filed With SEC on March 30, 2016)

ADDENDUM TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

ADDENDUM TWO TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

AMENDMENTTO LEASE AGREEMENTFOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

LEASE AGREEMENTFOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

ADDENDUM TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

ASSIGNMENT, ASSUMPTION AND AMENDMENTOF LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

FIRST AMENDMENT TO LEASE AGREEMENTFOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

SECOND AMENDMENT TO LEASE AGREEMENT FORA GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

LEASE AGREEMENT FORA GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

ADDENDUM ONE TO LEASE AGREEMENT FOR A GAMMAKNIFE UNIT (Filed With SEC on March 30, 2016)

ADDENDUM TWO TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

ADDENDUM TO LEASE AGREEMENT FOR A GAMMAKNIFE UNIT (Filed With SEC on March 30, 2016)

ADDENDUM TWO LEASE AGREEMENT FOR A GAMMA KNIFE (Filed With SEC on March 30, 2016)

ADDENDUM THREE TO LEASE AGREEMENT FOR A GAMMA KNIFEUNIT (Filed With SEC on March 30, 2016)

ADDENDUM FOUR TO LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

AMENDMENT THREE TO LEASE AGREEMENT FOR A GAMMA KNIFEUNIT (Filed With SEC on March 30, 2016)

LEASE AGREEMENT FOR A GAMMA KNIFE UNIT (Filed With SEC on March 30, 2016)

EQUIPMENT LEASE AGREEMENT (Filed With SEC on March 30, 2016)