Certificate of Registration This certifies that the Quality Management System of Nylok California 313 N. Euclid Way Anaheim, California, 92801-6738, United States has been assessed by NSF-ISR and found to be in conformance to the following standard(s): ISO 9001:2015 Scope of Registration: Coating Processor Specializing in Metal Fastener Industry. Tom Chestnut, Sr Vice President - ISR, NSF-ISR, Ltd. Certificate Number: C0541002-IS2 Certificate Issue Date: 31-JUL-2020 Registration Date: 05-AUG-2020 Expiration Date *: 04-AUG-2023