New Edgetek™ and LubriOne™ PKE Materials from Avient Replace Nylon and Acetal, Reduce Carbon Footprint CLEVELAND – March 11, 2021 – Avient today launched two new materials based on polyketone (PK) that deliver comparable performance and lower produc March 11, 2021

Loose buffer tube – made of PBT, PTFE, Nylon 12, PP or other polymers. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 23 Commercial Resources Operating Income ($ in millions) Operating Margins 243 340 At Acquisition Today $36 $96 At Acquisition Today 11% 20% At Acquisition Today Established Acquisitions (> 7 years) + 40% + 165% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 138 181 251 At Acquisition Today Goal $23 $25 $70 At Acquisition Today Goal 7% 8% 18-20% At Acquisition Today Goal Recent Acquisitions PolyOne Corporation 25 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Cumulative Share Repurchases (In millions) $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 2019 YTD $917M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation Increasing Annual Dividend 26 $0.81 PolyOne Corporation 27 W H Y I N V E S T I N P O L Y O N E ? Baird Global Industrial conference Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First PolyOne�pro forma 2018 Revenue | $2.9 billion* Slide Number 7 Sustainable Path to Double-Digit EPS Growth Investment in Commercial Resources driving growth The Evolving Customer Relationship Slide Number 11 Aligning with trends for Growth Innovation 3 Horizons of Development Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Returning cash to shareholders�Over $1.2 Billion since 2011 Why Invest In PolyOne?

March 11, 2024 SHANGHAI – March 11, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, is proud to introduce its new Versaflex™ TF Adhesive Thermoplastic Elastomer (TPE) solutions for adhesive films in laminations with nylon and polyester textile fabrics.

Page 2 of 11 AGING OF NYLON Nylon is extremely hygroscopic and it also goes through post molding crystallization. Page 3 of 11 COMPARISON WITH OTHER COMMERCIAL NYLON OVERMOLD TECHNOLOGIES The novel universal nylon overmolding TPEs are compared with several commercial nylon overmolding TPEs. Page 11 of 11 GLS Corporation, 833 Ridgeview Drive, McHenry, IL 60050 NYLON MOLDING PROCESS

Feb 11, 2025 Avient is a recognized leader in the overmoldingof thermoplastic elastomers (TPEs), offering excellent adhesion to substrates like polypropylene, polyethylene, PC, ABS, acetal, and nylon.

16672-01 EXPL6605 WHITE 1363 (11-1)

ABS SNOW WHITE 11-0602TPX

Homepage // News Center // Avient Expands Production of Nymax™ REC Recycled Nylon Formulations to Istanbul Avient expands production of Nymax™ REC Recycled Nylon Formulations to Istanbul, Turkey. They offer comparable performance to virgin nylon grades, including high strength, durability, impact resistance, and weather resistance.

ABS BRT WHITE 11-0601 CONC GREEN NYLON 12 LM GREEN NYLON 6,6 LM

Feb 11, 2025 Nylon 6 and 6/6