Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). This innovation drives performance and is reflective of consistent, strategic investments in technology and people Clariant Color business acquired July 1, 2020 10 30 40 14 25 22 35 19 18 41 Current Additional share needed to reach 2025 target BRAND OWNERS COMMITTED TO INCREASING USE OF RECYCLED MATERIALS 8 Brand Owner 1 Brand Owner 3 Brand Owner 2 Brand Owner 7 Brand Owner 4 Brand Owner 10 Brand Owner 6 Brand Owner 11 Brand Owner 5 Brand Owner 8 Brand Owner 9 Brand Owner 12 Brand Owner 13 Percent recycled plastic used: (examples and not exhaustive) (1) Latest year reported. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 3 3 3 3 3 5 5 5 5 6 8 nt nt ( xc l.

PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. S&P 500 PolyOne Corporation Page 9 2006 Q1 2015 2020 “Where we were” “Where we are” Platinum Vision 1) Operating Income % Specialty: Global Color, Additives & Inks 1.7% 16.2% 20%+ Global Specialty Engineered Materials 1.1% 16.3% 20%+ Designed Structures & Solutions 1.4% (2012) 2.7% 12 – 14% Performance Products & Solutions 5.5% 6.5% 10 – 12% Distribution 2.6% 5.9% 6.5 – 7.5% 2) Specialty Platform % of Operating Income 6.0% 69% 80%+ 3) ROIC 5.0% 11.4% 15% 4) Adjusted EPS Growth N/A 22 Consecutive Quarters of EPS Growth Double Digit Expansion Proof of Performance & 2020 Goals PolyOne Corporation Page 10 Platinum Vision: Pathway to Accelerated Growth Organic Sales Growth Margin Expansion Share Repurchases Acquisitions PolyOne Corporation Page 11 Innovation Drives Earnings Growth *Percentage of Specialty Platform revenue from products introduced in last five years $20 $53 2006 2014 Research & Development Spending ($ millions) Specialty Platform Vitality Index Progression* 14% 27% 2006 2014 Specialty Platform Gross Margin % 20% 44% 2006 2014 Specialty Vitality Index Target ≥ 35% PolyOne Corporation Page 12 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 13 Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 6 9 7 3 5 12 5 3 2 8 4 2 4 3 1 Breakthrough Platform Derivative A Rich Pipeline of Opportunity Number of Projects 14 8 18 12 22 74 Addressable Market ($ millions) $700 $600 $600 $1,900 PolyOne Corporation Page 14 60% 98% 20% 30% 40% 50% 60% 70% 80% 90% 100% 2008 Q1 2015 Pension Funding** As of March 31, 2015 Debt Maturities & Pension Funding Net Debt / EBITDA* = 2.1x $49 $317 $600 $0 $100 $200 $300 $400 $500 $600 $700 $800 2015 2020 2023 Debt Maturities As of March 31, 2015 ($ millions) Coupon Rate: 7.500% 7.375% 5.250% ** includes US-qualified pension plans only *TTM 3/31/2015 PolyOne Corporation Page 15 Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~75% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends $0.16 $0.20 $0.24 $0.32 $0.40 $0.10 $0.20 $0.30 $0.40 $0.50 2011 2012 2013 2014 2015 Annual Dividend  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Synergy opportunities  Adjacent material solutions  Repurchased over 500k shares in Q1 2015  Repurchased 11.8 million shares since early 2013  8.2 million shares are available for repurchase under the current authorization PolyOne Corporation Page 16 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 17 The New PolyOne: A Specialty Growth Company Why Invest In PolyOne? 1) Special items are a non-GAAP financial measure.

ISO13485認証取得の4拠点で製造し、グロー バルで同品質の製品を安定的に供給致します。 1)30日以上、人体組織または体液に暴露すること。 3)生殖器用インプラントまたは避妊具、または (4)人間の生命を支え、維持する永久的（30日以上）移植された医療機器の重要な構成要素。

Scope 3 emissions are many times greater than our combined Scope 1 and 2 emissions. HAPs: 6.77 MT Metrics—Planet Metrics Page 77 Energy Management (1) Total energy consumed, (2) percentage grid electricity, (3) percentage renewable, (4) total self-generated energy RT-CH-130a.1 1. Total energy: 2,144,770 GJ 2. % Grid electricity: 77.53% 3. % renewable electricity: 62% 4.

EXTRUSOR Tornillo 1½" to 6" para polietileno—Maddock; relación de compresión 3:1 Cabezal De presión Dado Del tamaño adecuado para una hilera de 1/8" o menos L/D 24:1 o superior Paquete de mallas Malla de 20/60/60/20 Canal de enfriamiento 50–65°C Alimentador Gravimétrico—3 compartimentos (para el color) Condiciones de secado, solo para catalizador Desecante, 4 horas a 60°C PROCESAMIENTO Temperatura Precalentamiento del alambre 110–120°C Zonas de alimentación 165°C Transición 170°C Dosificación 177°C Cabezal/dado 182°C Material fundido 177–190°C Llama a la punta del salida del dado Sí Velocidad de la línea La velocidad superior de la línea mejora mezclado de los dos compuestos y apariencia superficial del dislamiento de la superficie Compuesto de purga HDPE www.avient.com Copyright © 2020, Avient Corporation.

This translates to 4% adjusted EPS growth, excluding the unfavorable impact of foreign exchange. See Attachment 3 for a definition and summary of special items. See Attachment 3 for a definition and summary of special items.

Weight Reduction • LFT has lower density vs. metal, but still meets structural performance requirements • Lightweighting helps meet sustainability goals related to lower fuel consumption and extended vehicle range Design Flexibility • Injection molding allows for complex geometries and part consolidation • Advanced modeling and computer-aided engineering (CAE) tools for long fiber composites help validate and optimize part design APPLICATION BULLETIN COMPARING PRODUCTION COST DRIVERS Cast Metal Stamped Metal Long Fiber Composite Material typically used Aluminum Steel Various base resins based on environmental conditions Casting X Stamping X Injection Molding X Machining X Not typically needed as LFT is a one-step process Drilling X Welding X Surface Treatments X X po st -p ro ce ss pr oc es s MATERIAL CHARACTERISTICS Characteristic Long Fiber Composite Aluminum Steel Specific Gravity (g/cc) 1.03–1.71 2.76 7.8–7.9 Specific Strength (Strength-to-Weight ratio) Excellent Good Poor Stiffness Fair Good Excellent Toughness/Fatigue Excellent Fair Fair Creep Good Excellent Excellent Corrosion Resistance Excellent Good Poor Temperature Range Performance Good Excellent Excellent Cycle Time Excellent Good Poor Design Freedom (i.e., complex geometry, part consolidation) Excellent Fair Fair Raw Material Cost Poor Good Fair Total Production Cost Good Fair Fair pr od uc ti on pe rf or m an ce Avient offers a range of customizable long fiber reinforced structural material solutions and design support for your metal-to-plastic conversion projects Complēt™ long glass, long carbon, and hybrid fiber solutions available in a wide array of engineering polymer matrices, including PA66, PA6, ETPU, PPA, PPS, PES, PEI, PK, and PEEK • OnForce™ long glass fiber reinforced polypropylenes • Full suite of design and engineering services that include structural design and fiber orientation consultations and modeling, CAE analysis, prototyping, and more STRENGTH-TO-WEIGHT RATIO OF LFT VS METALS m eg ap as ca l gram /cubic centim eter 250 200 150 100 50 0 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 Zam ak 3 Stainless Steel 304 Titanium #2 plēt LCF40-PP plēt LGF60-TPU OnForce LGF50-PP Alum inum A380 M agnesium AZ91D plēt LCF50-PA66 plēt LGF60-PA66 plēt LCF50-TPU Specific Strength Density Metal Long Glass Fiber Long Carbon Fiber 1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

GREY TINT TLC20K-4 TRITAN/16-1360TPX/NECTARINE-3 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

UV PATRIOT BLUE 4 UV DARK CHOCOLATE 3 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

Q300-4-3 BLUE Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)