Accredited Body: DQS Inc., 1130 West Lake Cook Road, Suite 340, Buffalo Grove, IL 60089 USA 1 / 2

CERTIFICATE

This is to certify that

DuPont Specialty Products USA, LLC DuPont Washington Works Engineering Polymers East, Delrin, Specialty Compounding, Filaments

DuPont Road, P.O. Box 1217 Parkersburg, WV 26102 United States of America with the organizational units/sites as listed in the annex

has implemented and maintains a Quality Management System.

Scope: The manufacturing and supply of acetals, thermoplastic elastomers, nylon polymers, compounded polymer resins, and monofilaments to specifications agreed upon with DuPont in Wilmington, DE.

Through an audit, documented in a report, it was verified that the management system fulfills the requirements of the following standard:

ISO 9001 : 2015

Certificate registration no.

Date of original certification

Date of revision

Date of certification

Valid until

10008240 QM15

1991-10-15

2019-02-01

2018-05-07

2021-05-06

DQS Inc.

Brad McGuire Managing Director

Annex to certificate Registration No. 10008240 QM15

DuPont Specialty Products USA, LLC DuPont Washington Works Engineering Polymers East, Delrin, Specialty Compounding, Filaments

DuPont Road, P.O. Box 1217 Parkersburg, WV 26102 United States of America

This annex (edition: 2019-02-01) is only valid in connection with the above-mentioned certificate. 2 / 2

Location Scope

10008436 DuPont Specialty Products USA, LLC Little Hocking Service Center 251 Arrowhead Road Little Hocking, OH 45742 United States of America

The manufacture and supply of acetals and thermoplastic elastomers, postprocessing activities and with additional contract manufacturing service for The Chemours Company, Wilmington, DE.