Certification awarded to Avient Protective Materials Urmonderbaan 22 6167 RD Geteen The Netherlands This is a multisite certificate. To check this certificate validity ptease call: +31 (0) 88 450 5500 Page I of 2 R [{$l'll. fluA I sYs. 248 Avient protective Materiats Urmonderbaan 22, 6167 RD Geteen, The Nethertands 5750 Martin Luther King Jr. f co (.) t_ f m Appendix awarded to Avient Protective Materials Urmonderbaan 22 6167 RD Geleen The Netherlands This certificate arso concerns berow mentioned organization(s) and site(s).

ROBOTIC EMULATION ENABLES PERSONALIZED PROSTHETICS WITH COMPOSITES Photo courtesy of the DoD Center for the Intrepid COMPOSITE SPRINGS PROVIDE FLEXIBILITY IN PROSTHETIC PERFORMANCE AND DESIGN © 2022, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more, please contact Avient at 1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. They looked to the engineering team at Avient for material selection and manufacturing guidance. Avient’s team of engineers was very helpful in determining the right materials and refining our manufacturing process,” said Josh Caputo, president and CEO of Humotech.

Khandpur is President and Chief Executive Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Khandpur joined Avient in December 2023. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Khandpur is President and Chief Executive Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Khandpur joined Avient in December 2023. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

ABOVE GROUND SWIMMING POOL C O M P O S I T E S I D E W A L L • Corrosion resistance to withstand salt water pool treatment • UV resistance for durability over years of use • Weight reduction vs. traditional metal to reduce shipping costs and simplify installation • Field tested for 3 years to prove Polystrand solution provides excellent UV, creep, and corrosion resistance • Reduced weight by 50% compared to metal • Rolled product enabled standard shipping vs. coiled steel sidewalls that require LTL delivery Polystrand™ thermoplastic composite laminate (4-ply) with integrated decorative film KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION METAL REPLACEMENT LEARN MORECopyright © 2022, Avient Corporation.

DEVICE MANUFACTURER M E D I C A L D E V I C E H O U S I N G • Improved chemical resistance compared to PC/ABS, PC/PET & COPE • Flame retardant (FR) rating of V-1 at 0.75 mm • Zero BPA & non-halogenated FR material • Available in standard hospital grade pre-colors • Provided a cost-effective material with superior chemical resistance to traditional materials • Formulated a medical-grade, semi-crystalline blend to support regulatory testing and approvals • Demonstrated superior property retention and crack resistance after exposure to hospital- grade disinfectants, including Virex® Tb, helping to extend the device life Trilliant™ HC8900 Thermoplastics KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CHEMICAL RESISTANCE LEARN MORE Copyright © 2021, Avient Corporation.

GLOBAL FRIDGE MANUFACTURER R E F R I G E R A T O R B A S E • Provide 5VA flame retardant rating • Utilize existing molds • Keep the same mechanical and physical properties as current material • Dimensional stability – limit shrinkage of final part • High strength – bearing the weight of the whole fridge • Maintain or reduce weight • Expedited development time, providing solutions ready for testing within a week • Enabled first time approval through close customer collaboration • Provided excellent in person support to both customer and moulder throughout trials • Gave technical advice on how to adjust processing parameters, enabling the use of existing molds with the new material Maxxam™ FR Flame Retardant Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION FLAME RETARDANT + PROCESSABILITY LEARN MORE Copyright © 2020, Avient Corporation.

OFC TECHNOLOGY LEADER M I C R O B U N D L E S I N B L O W I N G A P P L I C A T I O N F O R R A I L W A Y S • Strippable with fingers for easy installation/access to fibers • High speed processing at a low wall thickness • Low shrinkage • Resistance to chemicals and filling compounds • Meet XP C93-850-1-1 standard • Re-designed cable to provide advantageous functional and economical value • Improved flexibility compared to PBT and PP tubes, allowing longer blowing distances on paths with angles of 90° • Increased processing speed and improved ease of installation • Provided better cable lifetime value compared to alternative solutions ECCOH™ 6151 UV SEPAP Formulation KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION FLEXIBILITY + PROCESSABILITY LEARN MORE Copyright © 2022, Avient Corporation.

WIRE & CABLE OEM P V D F E X T R U S I O N • Improve extrusion line speed • Minimize defects, optimize coefficient of friction (CoF), control extrusion pressure, and eliminate die drool • Prevent melt fracture (sharkskin) • Reduce energy use in processing to achieve cost savings • Delivered a polyvinylidene fluoride (PVDF) solution that improved extrusion production times • Provided application specialists with deep knowledge of PVDF processing windows (melt and degradation temperatures) to help boost overall processing performance • Enhanced surface aesthetics by reducing friction and improving flow stability • Gained a reduction in energy use and offered added savings for other PVDF applications such as wire jacketing or tube and pipe extrusion Colorant Chromatics PVDF Processing Aid KEY REQUIREMENTS WHY AVIENT? PROCESSING + QUALITY LEARN MORE AVIENT SOLUTION Copyright © 2025, Avient Corporation.

ARCHERY OEM C O M P O U N D B O W G R I P • UV resistant and colorable TPE for haptics • Substrate with structural integrity to support 70-80 lbs of torque during draw and excellent dimensional stability to ensure bow accuracy and precision • Reliability of supply while also offering comparable performance to incumbent materials Nymax™ 1010A PA 6 Nylon Formulation & Versaflex™ OM 6160 TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PERFORMANCE UNDER LOAD + HAPTICS LEARN MORE Copyright © 2022, Avient Corporation.