ELECTRICAL PARTS MANUFACTURER H E A V Y D U T Y C O N N E C T O R S A N D A C C E S S O R I E S • Reduce material rematching and rejection through more efficient pre-testing • Improve processing efficiencies and color consistency in highly FR-filled and high-temperature resins • Achieve regulatory compliance across multiple resin families • Gain better supply chain control to manage scarcity of key engineering resins and changing resin producers • Offered eight UL 94-recognized sites in U.S. and Canada that perform comprehensive analytical, physical and mechanical testing • Provided increased speed to market and expedited design timelines for new products using existing standardized and pre- approved color palettes • Ensured regulatory compliance and security of supply OnColor™ UL 94 Colorants KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION QUALITY + SPEED TO MARKET LEARN MORE © 2023, Avient Corporation, All Rights Reserved https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/oncolor-ul94-colorants

This is to certify that Fiber-Line, LLC 280 Performance Drive SE, Hickory, North Carolina 28602 USA Quality Management System ISO 9001:2015 Manufacture of textile components to cable manufacturers.

AVIENT SOLUTION LIGHTWEIGHTING + QUALITY LEARN MORE Copyright © 2025, Avient Corporation.

AVIENT SOLUTION COMPLIANCE + QUALITY LEARN MORECopyright © 2021, Avient Corporation.

Müller, CEO SQS 66 60 _2  / J un e 20 19  / V er si on 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

Müller, CEO SQS 66 60 _2  / J un e 20 19  / V er si on 2 .0 Swiss Association for Quality and Management Systems (SQS) Bernstrasse 103, 3052 Zollikofen, Switzerland A.

PLATINUM REGISTRATION INC. 1040 South Gaylord Street, Suite 71, Denver, CO 80209 www.platinumregistration.com | info@platinumregistration.com Polystrand, Inc. 8375 Highfield Parkway, Englewood, CO, 80112 Is certified by PLATINUM REGISTRATION as a company that has developed, implemented and maintains a quality management system that conforms to the requirements of the following International Standards: ISO 9001:2015 (Requirements not applicable:8.5.5 Post-delivery activities.)

Normative basis EN ISO 13485:2016 Medical devices – Quality Management System Page 1 of 3 Appendix of main certificate H61173 Central function Scope Norm / Revision Reg. no.

Unified social credit code: 91320412MA1NMF5W4P is in conformity with Quality Management System Standard: GB/T 19001-2016 / ISO 9001:2015 The certificate is valid to the following product(s)/service: Coating Processing of Textile (Yarn) and Glass Products (Yarn) Registration Address/ Physical Address: R&D Workshop 5, No. 8, Lanxiang Road, West Taihu Science and Technology Industrial Park, Changzhou City, Jiangsu Province, P.

Gravi-Tech™ replaces metal and maintains a high quality look and feel for luxury closure (English & Spanish language version) Gravi-Tech™ replaces metal and maintains a high quality look and feel for luxury closure (English language version) Gravi-Tech™ replaces metal and maintains a high quality look and feel for luxury closure (Spanish language version)