Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • The current and potential future impact of the COVID-19 pandemic on our business, results of operations, financial position or cash flows, including, without limitation, any supply chain and logistics issues; • Changes in laws and regulations regarding plastics in jurisdictions where we conduct business; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including Avient Protective Materials (APM); • An inability to raise or sustain prices for products or services; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Amounts for cash and non-cash charges related to restructuring plans that may differ from original estimates, including because of timing changes associated with the underlying actions; and • Other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates, changes in the rate of inflation and any recessionary conditions Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. GUIDANCE DEBT / LEVERAGE REDUCTION • Completed sale of Distribution and paid down $750M of debt in November • Strong free cash flow in fourth quarter reduced leverage and enabled paydown of additional $200M of debt • Fixed/Floating Debt Ratio 63/37 • Proven track record of deleveraging following acquisitions through consistent free cash flow generation $725 $725 $725 $575 $500 $400 $600 $525 $425 $650 $650 $650 $600 $2.40B $2.20B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes After Distribution Divestiture Year-End 8 Year-End Leverage 3.8x 3.1x 2.9x 2023 Notes After Avient Protective Materials Acquisition $3.15B 2022 TRANSFORMATIONAL PORTFOLIO ENHANCEMENTS 9 EBITDA margins expanded from 12% to 16% Diversified end markets with reduced exposure to more cyclical industries Dyneema® Acquisition $1.48B acquisition strengthens composites platform Significantly improved EBITDA margins $950M divestiture results in 100% specialty sales Strong exit multiple of 10x TTM EBITDA despite market volatility Distribution Divestiture Improved Portfolio GROWING COMPOSITES PLATFORM CONTRIBUTIONS TO SEM SEGMENT 10 Note: 2022 is pro forma for Avient Protective Materials 2016 Sales 2022 Sales Advanced Composites 51% $560M $1,300M Advanced Composites COMPOSITES PORTFOLIO D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D T A P E S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 11 ADVANCED COMPOSITES PERFORMANCE 12 (1) Pro forma for the acquisition of Avient Protective Materials $51 $84 $212 $668 $4 $10 $41 $169 (1) (1) PORTFOLIO EVOLUTION AND EPS EXPANSION 13 Adj. EPS $0.14 $2.67 $3.04 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 1 14 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 15 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 17 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 18 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 re e as h F lo w C o n ve rs io n re e as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials

During our extensive search process, it became clear to our Board that Ashish is the right person to lead For more information, visit https://www.avient.com. SEARCH INVESTOR NEWS

Sustainability Report | 2021 9 https://www.avient.com/careers https://www.avient.com/company/sustainability/people/community-service https://www.avient.com/investors http://endplasticwaste.org Historic Transformation, Inspired Future Avient Corporation was originally established as PolyOne Corporation in 2000 through the consolidation of two companies in the materials industry. Community Service Avient offers a global benefit of Community Service hours. Sustainability Report | 2021 70Sustainability Report | 2021 70 Link: https://clean4change.org/ Community Service Giving back to the communities where we work and live is an integral part of our culture.

For more information about how Avient processes your personal information for these services and third-party websites, please visit the Avient Corporation Privacy Statement, available at https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement. Service providers: Service providers, such as those assisting us with the operation of our online recruitment systems or commissioned to assist with the application process (e.g. with technical support for this recruitment platform), are carefully selected. Effective Date: August 1, 2020 mailto:PRIVACY.OFFICER@POLYONE.COM https://privacyportal.onetrust.com/webform/b25cf7b1-a93a-4d26-8c84-ceda4d0ae91b/e180cbe4-d1b9-49bd-b621-cb5f6a0f42cb mailto:PRIVACY.OFFICER@POLYONE.COM

Catheters made using the patent-pending NEU View technology provide optical visibility (translucent) when outside the body and superior visibility under X-ray (radiopaque) when inside the body. PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. SEARCH INVESTOR NEWS

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OUTDOOR GEAR MAKER F I S H I N G T O O L G R I P • Aesthetically differentiate new products while optimizing user functionality and safety • Meet weatherability performance required by industry standard UV and Salt Water Exposure tests • Resist fish oils, sunscreens, and cleaners • Comply with FDA food contact requirements • Provided product development support from concept to production, including visual brand integration, part design, and material selection • Customized grip design and TPE formulation to retain grip and tactile feel in wet and oily environments • Expedited lead time with advanced design and 3D modeling services to enable product launch at key industry tradeshow • Offered global supply continuity with local technical and manufacturing support Custom Versaflex™ Wet Grip TPE and Avient Design Services KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/resource-center/services/avient-design

X HC0600-0002 Gray 425U X ET 2010-0028 Blue Tint BL Services

X TR-16327-001-2 Natural X NM-15321-001-7 Natural Services

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