Certificate of RegistrationQUALITY MANAGEMENT SYSTEM - ISO 9001:2015

This is to certify that: Trek Inc.190 Walnut StreetLockportNew York14094USA

Holds Certificate No: FM 56910and operates a Quality Management System which complies with the requirements of ISO 9001:2015 for thefollowing scope:

The design and manufacture of electrostatic test and measurement equipment and highvoltage amplifiers.

For and on behalf of BSI:Carlos Pitanga, SVP, System Certification and Compliance

Original Registration Date: 2000-11-30 Effective Date: 2017-11-17Latest Revision Date: 2017-10-25 Expiry Date: 2020-11-16

Page: 1 of 2

This certificate remains the property of BSI and shall be returned immediately upon request.An electronic certificate can be authenticated online. Printed copies can be validated at www.bsigroup.com/ClientDirectoryTo be read in conjunction with the scope above or the attached appendix.Information and Contact: BSI, Kitemark Court, Davy Avenue, Knowlhill, Milton Keynes MK5 8PP. Tel: + 44 345 080 9000BSI Assurance UK Limited, registered in England under number 7805321 at 389 Chiswick High Road, London W4 4AL, UK.A Member of the BSI Group of Companies.

Trek Inc.190 Walnut StreetLockportNew York14094USA

Solder operations, PC board hand assembly, through holeassembly, probe assembly, various electrical testing, boxbuilds.

Trek Inc.57 Canal St.LockportNew York14094USA

The design and manufacture of electrostatic test andmeasurement equipment and high voltage amplifiers.

Certificate No: FM 56910

Location Registered Activities

Original Registration Date: 2000-11-30 Effective Date: 2017-11-17Latest Revision Date: 2017-10-25 Expiry Date: 2020-11-16

Page: 2 of 2This certificate remains the property of BSI and shall be returned immediately upon request.An electronic certificate can be authenticated online. Printed copies can be validated at www.bsigroup.com/ClientDirectoryTo be read in conjunction with the scope above or the attached appendix.Information and Contact: BSI, Kitemark Court, Davy Avenue, Knowlhill, Milton Keynes MK5 8PP. Tel: + 44 345 080 9000BSI Assurance UK Limited, registered in England under number 7805321 at 389 Chiswick High Road, London W4 4AL, UK.A Member of the BSI Group of Companies.