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Conventionally-Marketed Products Growth 2017-2022 Sustainability-Marketed Products Conventionally-Marketed Products Sustainably-marketed products account for 1/5 of the market share ... yet deliver 1/3 of growth 9% 4% CAGR Source: NY Stern School of Business 2023 MAKING RECYCLABILITY COMMITMENTS Avient Corporation 26 100% recyclable, compostable or reusable packaging by 2025 35% recycled content for all plastic packaging by 2025 30% recycled content by 2030 100% recyclable, compostable or reusable packaging by 2025 20% renewable and recycled plastics by 2025 100% recyclable, compostable or reusable packaging by 2025 To source 100% recycled or renewable resources 25% recycled content by 2025 80% of waste recycled back into Nike products and other goods by 2025 25% recycled content by 2025 100% recyclable, compostable or reusable packaging by 2025 BRAND-SPECIFIC RECYCLED CONTENT ANNOUNCEMENTS x …the entire DASANI product lineup will be made from recycled plastic. Colgate-Palmolive, March 2021 Avient Corporation 27 2020 2030 12% CAGR RECYCLED PLASTICS DEMAND GROWING DOUBLE DIGITS Avient Corporation 28 Sources: McKinsey, Standard & Poor’s 2022 • Recycled plastics demand is expected to grow at a 12% CAGR through 2030 • Demand is constrained by availability of recycled content and will need investments in both mechanical and chemical processes • As recycled content becomes more available, it is expected to make up 30% of all plastics demand by 2040 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content 3% CAGR MAKING CARBON EMISSIONS COMMITMENTS Avient Corporation 29 100% renewable energy consumption by 2025 50% reduction in product carbon footprint by 2030 Reduce absolute emissions by 25% before 2030, net zero by 2025 Net zero carbon emissions by 2050 Achieve carbon neutrality globally by 2050 Achieve net zero greenhouse gas emissions across enterprise Reduce carbon emissions by 75% by 2030 Achieve net zero emissions by 2040 Reduce greenhouse gas emissions by 0.5M tons by 2025; net zero by 2050 Reach net zero greenhouse gas emissions by 2040 Achieve zero emissions across global operations by 2040 Avient Corporation 30 STAKEHOLDERS’ GROWING INFLUENCE Source: Deloitte 2022 Regulators & government 77% Board members & management 75% Consumers & clients 75% NGOs 72% Shareholders & investors 71% Competitors & peers 66% Employees 65% Percent of Companies Feeling Pressure From… Lenders 55% GOVERNMENT INFLUENCE CREATES OPPORTUNITIES Avient Corporation 31 65% Reduction in carbon emissions per unit of GDP from China by 2030 LOW CARBON FOOTPRINT MATERIALS 25X Increase in offshore wind energy capacity in the E.U. by 2030 INFRASTRUCTURE SOLUTIONS 10% Fuel efficiency increase in 2026 model year vehicles to achieve 49 MPG 90% Replacement of fossil-based plastics with bio-based polymers (Biden Administration) LIGHTWEIGHTING SOLUTIONS BIOPOLYMERS $42B Investment in U.S. infrastructure requiring 100% of fiber optic cable to be U.S. Per Carlsson, Manufacturing and Operations CUSTOMER TESTIMONIALS Avient Corporation 71 50 90 0 20 40 60 80 100 2022 2030 Medical Plastics Market Size PRESERVE – TAKEAWAY Protecting Human Life and Enabling Connectivity Drives Growth Projections Examples Covered Today 56% Other Applications 44% 2022 $525M (in $ Bi lli on s) 8% CAGR 34% CAGR 5G Infrastructure Market Size 12 92 0 10 20 30 40 50 60 70 80 90 100 2023 2024 2025 2026 2027 2028 2029 2030 (in $ Bi lli on s) Source: Grand View Research Source: Global Data Summary Jamie Beggs Senior Vice President and Chief Financial Officer Avient Corporation 72 OUR SUSTAINABILITY REPORT Avient Corporation 73 Avient Corporation 74 2030 SUSTAINABILITY GOALS Avient Corporation 75 PERFORMANCE AND RECOGNITION 1 2 5 ESG Ratings Performance ESG Awards and Certifications top 13% 94th percentile Avient Corporation 76 SUSTAINABILITY INNOVATION AWARDS Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industry Association PCR Colorants + Additives Sustainable Packaging Innovation, Finalist: U.S.

No. 0562.01) 11/30/2023 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AVIENT CORPORATION 733 East Water Street North Baltimore, OH 45872 Claire Holman Phone: (419) 257-1327 MECHANICAL Valid To: October 31, 2025 Certificate Number: 0562.01 In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following automotive plastics tests: Test Method: Test Name: ASTM D412 Tensile ASTM D523 Specular Gloss ASTM D618 (A) Conditioning of Plastics ASTM D624 (Die C) Tear Strength ASTM D638 Tensile Properties ASTM D792 (A) Density and Specific Gravity by Displacement ASTM D1004 Initial Tear Resistance ASTM D1203 (A) Volatile Loss ASTM D1895 (A) Apparent Density, Bulk Factor, Pourability ASTM D1921 Particle Size (Sieve Analysis) ASTM D2240 Durometer Hardness (Shore A and D) ASTM E1331 Color by Spectrophotometry Using Hemispherical Geometry FMVSS 571.302 Flammability FORD BN-102-01 (A) Low Temperature Flexibility FORD BO-131-03 Interior Odor ISO 3795 Determination of Burning Behavior of Interior Materials SAE J323 (A) Cold Cracking (Mandrel Bend) SAE J1351 Hot Odor for Insulation Materials SAE J1545 Instrumental Color Difference Measurement DOC-058151 Angle of Repose 1 Laboratory Developed Method For the tests to which this accreditation applies, please refer to the laboratory’s Mechanical Scope of Accreditation. Trace McInturff, Vice President, Accreditation Services For the Accreditation Council Certificate Number 0562.01 Valid to October 31, 2025 0562-01 0562-01c

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