Certificate of RegistrationThis certifies that the Quality Management System of

LIMCO Airepair, Inc.5304 S. Lawton Ave.

Tulsa, Oklahoma, 74107, United States

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

AS9100D with ISO 9001:2015*Audited in accordance with AS9104/1:2012 Requirements for Aviation, Space, and Defense Quality Management System Certification Programs.

NSF-ISR is accredited under the Americas Aerospace Quality Group Registration Management Committee.

Scope of Registration:Campus: (Central Office) Design, manufacture, repair and overhaul of heat transfer components.

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

Page 1 of 2

Certificate Number: C0099024-AS13Certificate Decision/Re-Issue Date: 03-JUL-2019Certificate Issue Date: 09-JUL-2019Expiration Date *: 08-JUL-2022

This Annex is only Valid in connection with the above-mentioned certificate issued by NSF-ISRPage 2 of 2

ANNEX PAGE FOR CERTIFICATE REGISTRATION NUMBER C0099024-AS13

CERTIFICATE DECISION/RE-ISSUE DATE: 03-JUL-2019CERTIFICATE EXPIRATION DATE: 08-JUL-2022

LIMCO Airepair, Inc.5304 S. Lawton Ave.

Tulsa, Oklahoma, 74107, United States

Remote Location: Limco Airepair

Machine Shop and Maintenance820 D West Skelly Dr.

Tulsa, Oklahoma, 74107, United States

Scope:Machine Shop and Maintenance

Remote Location: Limco Airepair

Warehouse Storage Bldg.820 E West Skelly Drive

Tulsa, Oklahoma, 74107, United States

Scope:Warehouse and Storage