Certificate of RegistrationThis certifies that the Quality Management System of

AC Products9930 Painter Ave.

Whittier, California, 90605, United States

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

AS9100C*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, develop, manufacture and sale of temporary protective coatings for the chemical milling industry.

Carl Blazik,Director, Technical Operations &Business Units, NSF-ISR, Ltd.

Page 1 of 2

Certificate Number: C0174506-AS2Certificate Decision/Re-Issue Date: 05-MAR-2017Certificate Issue Date: 05-MAR-2017Expiration Date *: 14-SEP-2018

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 C0174506-AS2

CERTIFICATE DECISION/RE-ISSUE DATE: 05-MAR-2017CERTIFICATE EXPIRATION DATE: 14-SEP-2018

AC Products9930 Painter Ave.

Whittier, California, 90605, United States

Remote Location: AC Products

13210 Barton CircleSanta Fe Springs, California, 90605, United States

Scope:Purchasing

Remote Location: AC Products

13236 Barton CircleSanta Fe Springs, California, 90605, United States

Scope:Warehouse

Remote Location: AC Products

13240 Barton CircleSanta Fe Springs, California, 90605, United States

Scope:Sales and contract review.

Remote Location: AC Products

13270 Barton CircleSanta Fe Springs, California, 90605, United States

Scope:Design and development.

Remote Location: AC Products

172 E. La JollaPlacentia, California, 92870, United States

Scope:Warehouse