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.

SCCertificateRebrandA4Portrait CERTIFICATE OF REGISTRATION This is to certify that the management system of: Fiber-Line, LLC Main Site: 280 Performance Drive SE Hickory North Carolina 28602 United States has been registered by Intertek as conforming to the requirements of: ISO 9001:2015 The management system is applicable to: Manufacture of textile components to cable manufacturers.

POPULAR COATED STRENGTH MEMBERS LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

KEVLAR® PARA-ARAMID DATA KEVLAR® PARA-ARAMID (HM) BARE FIBER PERFORMANCE * Equilibrium moisture regain @ 55% RH ** Creep @ 40%-58% ultimate tensile strength *** Shrinkage in dry air @ 177 C for 30 minutes ABOUT FIBER-LINE® LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V.

DISCLAIMER STATEMENTS MSCI DISCLAIMER STATEMENT THE USE BY AVIENT CORPORATION OF ANY MSCI ESG RESEARCH LLC OR ITS AFFILIATES (“MSCI”) DATA, AND THE USE OF MSCI LOGOS, TRADEMARKS, SERVICE MARKS OR INDEX NAMES HEREIN, DO NOT CONSTITUTE A SPONSORSHIP, ENDORSEMENT, RECOMMENDATION, OR PROMOTION OF AVIENT CORPORATION BY MSCI.

Green served as Vice President, Data Center Group at Intel Corporation, a semiconductor company, and as President, Intel Federal LLC, a subsidiary of Intel Corporation, from 2015 to 2018, and previously in various other roles of increasing responsibility at Intel Corporation.

With extensive experience in the composites industry, Gordon Brown, President and Founder of Flexi-StiX, LLC, recognized the value that composite materials could bring to an insole.

ACTIVE INGREDIENTS RESISTANCE RATING Clorox® Disinfecting Wipes 5813-79 Quaternary ammonium +++++ +++++ +++++ ++ +++ ++++ Formula 409® Heavy Duty Degreaser N/A Lauramine oxide, ethanolamine +++++ +++++ +++++ + ++ +++ Lysol® All-Purpose Cleaner 777-66 Quaternary ammonium +++++ +++++ +++++ + + ++ $$$ $$$ $$$$ $ $$$ $ MATERIAL COMPARISON WITH COMMON CONSUMER DISINFECTANTS P AB S P PE T P PB T E 90 0 CR E 90 0 H I C R E 92 0 C RCRITERIA FOR RESISTANCE RATING + strength and elongation at yield retention between 90-110% + strength and elongation at yield retention between 75-125% + no statistically significant reduction in elongation at break (p < 0.05) + visual observation score of 4 or better (minor/no crazing, no cracks) + samples survived disinfectant exposure in strain jig Lysol® is a trademark of Reckitt Benckiser LLC Formula 409® is a trademark of The Clorox Company Clorox® is a trademark of The Clorox Company An independent, A2LA-accredited lab tested the following polymers with various disinfectants to help customers choose the material suitable for their specific application requirements.

PANTONE MATCHING SYSTEM® © Pantone LLC, 2024 PMS 101C PMS White PMS 295C PMS 644C PMS 7441C PMS 2915C Colors may vary from the actual color shown.

Cidex® OPA is a trademark of ASP Global Manufacturing GMBH; CaviCide™ is a trademark of Metrex Research, LLC; and Virex® is a trademark of Diversey, Inc. $$$ $$ $ Improved Chemical Resistance Trilliant ™ Material Compatibility with Various Disinfectants 8.5% Bleach 3% Peroxide Cidex® OPA CaviCide™ Virex™ Tb $$$ $$ $ Improved Chemical Resistance Trilliant ™ Material Compatibility with Various Disinfectants 8.5% Bleach 3% Peroxide Cidex® OPA CaviCide™ Virex™ Tb www.avient.com Copyright © 2021, Avient Corporation.