PowerPoint Presentation P R O S T H E T I C S A N D O R T H O T I C S B R A N D K N E E R A I L & B R A C E • Replace metal to reduce weight • Update design to achieve slimmer design • Offer excellent strength and modulus properties • Improve durability with better fatigue resistance than incumbent aluminum • Increased design freedom and lightweighting for metal replacement applications while meeting structural needs • Delivered excellent fatigue endurance and moisture resistance for enhanced durability • Achieved cost reduction per part by switching to an injection molding process Complēt Long Carbon Fiber Reinforced Structural Thermoplastics WHY AVIENT?

A F T E R M A R K E T PA RT S M A N U FAC T U R E R M O T O R M O U N T • Reduced part weight with retained performance • High strength • Corrosion resistance • Fatigue resistance • Facilitated lightweighting with a long glass fiber PA66 composite that matched the performance of the incumbent metal part • Met strength and corrosion requirements while achieving cost savings and reduced processing steps versus a die cast aluminum part • Relieved performance fears with mold flow analysis and hands-on technology support • Sampled quickly to accelerate speed to market KEY REQUIREMENTS METAL REPLACEMENT LEARN MORE WHY AVIENT?

VAC U U M C L E A N E R M A N U FAC T U R E R G E A R O F V A C U U M C L E A N E R • Excellent wear resistance • Durability • Cost effective • Our product provides excellent wear resistance to improve durability and product life cycle

Good bonding to PC/ABS • Acceptable compression set • Wide hardness range • Cost effective VAC U U M C L E A N E R M A N U FAC T U R E R V A C U U M C L E A N E R G A S K E T • Offered overmolding solution with proven success in passing the peel test • Delivered a TPE solution with good sealing performance to fulfill customer’s requirements Versaflex™ OM 9140 Translucent KEY REQUIREMENTS WHY AVIENT?

TOY BRAND S O F T F O A M “ A M M O ” • Replace foaming polyurethane • Soft touch without any tacky feeling • Achieve desired speed and power requirements • Consistent and low kinetic energy dissipation performance • High flow ability to improve the production efficiency • Developed a TPE solution with consistent quality that met tight durometer specifications and improved yield • Passed all weight, compression, and dimension tests in different testing conditions in order to prove consistent molding shape and properties • Met velocity requirements to support brand claims for power and speed performance Versaflex™ Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

COLORABILITY + SLIP RESISTANCE AVIENT SOLUTION VAC U U M C L E A N E R M A N U FAC T U R E R V A C U U M C L E A N E R W H E E L • Excellent slip resistance and wet grip • Easy processing • Easy coloring • Offered an easy processing TPE suitable for coloring with masterbatch to meet customer preference • Provided material solution ideal for meeting critical tire performance needs for slip resistance and grip during operation Versaflex™ D3226N KEY REQUIREMENTS WHY AVIENT?

China TEL: +86 21 32799000 Zhu Hai Ming M anagement Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31102922689. assurance. dnvgl.com C ertificate N o: 7 0 7 1-1998-AQ -RGC-RvA I nitial c ertification date: 2 8 A pril, 1 9 98 V alid: 2 9 M arch, 2 0 18 - 2 9 M arch, 2 0 21 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, Pudong, Shanghai, China, 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: ISO 9001:2015/GB/T 19001-2016 This certificate is valid for the following scope: Design and Manufacture of Masterbatch C ertificate N o: 7 071-1998-AQ-RGC-RvA P lac e and date: Shanghai, 3 0 M arch, 2 0 18 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

Kedrowski Globalization Robert M. Schuering Performance Products and Solutions Robert M. Critical Imperatives Robert M.

AMY M. SANDERS Senior Vice President, General Counsel and Secretary, Avient Corporation Amy M. Sanders joined Avient in April 2024 and has responsibility for all legal functions, including contracts and transactions, M&A, compliance, labor relations, digital information, privacy, and intellectual property.

China TEL: +86 21 32799000 Zhu Hai Ming M anagement Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31102922689. assurance. dnvgl.com C ertificate N o: 1 6 1 4-2000-AE-RGC-RvA I nitial c ertification date: 2 3 M ay, 2 0 00 V alid: 2 3 M ay, 2 0 18 - 2 3 May, 2 021 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.