Certificate of RegistrationThis certifies that the Quality Management System of

Oncology Services International (OSI)1040 Denta Rd., Suite A

Concord, North Carolina, 28027, United States

has been assessed by NSF-ISR and found to be in conformance to the following standard(s):

ISO 13485: 2016Scope of Registration:

Provides services for repair, refurbishment, installation, parts, removal and disposal for medical linear accelerators. Includes 1 warehouse in Alvarado, TX .

Tom Chestnut,Sr Vice President - ISR, NSF-ISR, Ltd.

Page 1 of 2

Certificate Number: C0352383-MD4Certificate Issue Date: 01-DEC-2020Registration Date: 24-JAN-2021Expiration Date *: 23-JAN-2024

This Annex is only Valid in connection with the above-mentioned certificate issued by NSF-ISR

Page 2 of 2

ANNEX PAGE FOR CERTIFICATE REGISTRATION NUMBER C0352383-MD4

CERTIFICATE ISSUE DATE: 01-DEC-2020CERTIFICATE EXPIRATION DATE: 23-JAN-2024

Oncology Services International (OSI)1040 Denta Rd., Suite A

Concord, North Carolina, 28027, United States

Remote Location: Oncology Services International- C0523656

102 Chestnut Ridge RoadMontvale, New Jersey, 07645, United States

Scope:Service and financial support