CERTIFICATE Certificate Number: 131849.00 The Aerospace Quality Management System and implementation of:

C.E. Conover & Co., Inc.

With Central Functions At:

4106 Blanche Road Bensalem, PA 19020 United States The certification has been performed in accordance with the requirements of AS9104/1:2012, including its implementation, and meets the requirements of the standard:

AS9100D (Based on and including ISO 9001:2015) Scope: The manufacture of rubber products, machined high performance plastics and elastomeric seals servicing the aerospace, chlorination, transportation, semi-conductor, pharmaceutical and food processing industries. Certification Structure: Single Certificate Expiry Date: May02, 2023 Certificate Issue Date: May 03, 2020 Certified Since: March 03, 2011

Dr. Cem O. Onus Managing Director DEKRA Certification, Inc. 1120 Welsh Road, Suite 210 North Wales, PA 19454 USA (215) 997-4519 www.dekra.us/en/audits

DEKRA Certification Inc. is an accredited Aerospace Registration Management Program Certification Body, under the ICOP scheme.