Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: the time required to consummate the acquisition of the Dyneema business; the satisfaction or waiver of conditions in the purchase agreement; completion of the consultation process with the relevant Dutch works council; the ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the proposed acquisition of the Dyneema business; our ability to achieve the strategic and other objectives relating to the proposed acquisition of the Dyneema business and possible sale of the distribution business; 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; changes in polymer consumption growth rates and 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; an inability to raise or sustain prices for products or services; information systems failures and cyberattacks; and other factors affecting our business beyond our control, including without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.

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 any limitation, any supply chain and logistics issues • Our ability to achieve the strategic and other objectives relating to the acquisition of Clariant’s Masterbatch business, including any expected synergies; • Changes in polymer consumption growth rates and 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; • An inability to achieve the anticipated financial benefit from initiatives related to acquisition and integration working capital reductions, cost reductions and employee productivity goals; • Our ability to pay regular quarterly cash dividends and the amounts and timing of any future dividends; • Information systems failures and cyberattacks; • Our ability to consummate and successfully integrate acquisitions; • 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 described in our Annual Report on Form 10-K for the year ended December 31, 2020 under Item 1A, “Risk Factors.” Our exceptional polymer scientists and design engineers are integral to their product development process. Operating Income $3,783 $4,300 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,650 $308 $410 $308 $430 $1.93 $2.80 $1.93 $3.00 (1) (1)(1) (1)(1) (1) $442 $457 $580 $1.74 $1.93 $3.00 FULL YEAR 2019 – 2021 ORGANIC GROWTH 22 Sales Adjusted EBITDA $3,981 $3,783 $4,650 + 17% (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1)(1) + 31% + 72% ($ in millions) 2021E Adjusted EBITDA 580$ Free Cash Flow 280$ Total Debt 1,860 Less: Cash (755) Net Debt 1,105$ 2021E Net Debt / Adjusted EBITDA 1.9x 23 BALANCE SHEET • Acquisition of Magna Colours completed on July 1 – expands sustainable solutions portfolio through water-based inks technology • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x Net Debt / Adjusted EBITDA (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition SUSTAINABILITY FOR A BETTER TOMORROW • Revenue from sustainable solutions expected to grow 14% in 2021 as our innovation efforts and collaboration with customers continues to accelerate • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options 2016 2017 2018 2019 2020PF** Bio-polymers Reduced Energy Use Human Health & Safety Sustainable Infrastructure VOC Reduction Recycle Solutions Eco-Conscious Lightweighting Revenue From Sustainable Solutions* 2016-2020 $405M $455M *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Masterbatch business $340M $550M $790M 25 Key Updates • Includes Clariant Masterbatch performance • Increases disclosures and ESG data • Provides performance updates on 2030 Sustainability Goals • Commits to operational carbon neutrality in 2050 and 100% renewable energy by 2050 (RE 100) • Announces Avient’s participation in U.N.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  Our ability to realize anticipated savings and operational benefits from the realignment of assets, including the planned closure of certain manufacturing facilities;  The timing of closings and shifts of production to new facilities related to asset realignments and any unforeseen loss of customers and/or disruptions of service or quality caused by such closings and/or production shifts;  Separation and severance amounts that differ from original estimates and amounts for non-cash charges related to asset write-offs and accelerated depreciation realignments of property, plant and equipment, that differ from original estimates;  Our ability to identify and evaluate acquisition targets and consummate acquisitions;  The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies and retain relationships with customers of acquired companies including, without limitation, Spartech Corporation and Accella Performance Materials;  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 financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains; the effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks;  Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic materials in jurisdictions where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online in the industries in which we participate;  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;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions and employee productivity goals;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  Our ability to continue to pay regular quarterly cash dividends and the amounts and timing of any future dividends;  The amount and timing of repurchases of our common shares, if any;  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Garratt President, Performance Products and Solutions PolyOne Corporation Page 48 2014 Revenue by Industry Segment 2014 Revenues: $0.8 Billion At a Glance Performance Products & Solutions 80% 14% Latin America 4% Building & 33% Electrical & 1% 11% 5% Transportation 18% Wire & Cable 16% PolyOne Corporation Page 49 What We Have Delivered 4.3% 6.3% 7.2% 7.7% 2011 2012 2013 2014 Operating Margin $28 $39 $56 $63 2011 2012 2013 2014 Operating Income ($M) •Relentless focus on portfolio mix optimization •Lean Six Sigma drives operational excellence • Innovating in new markets such as healthcare •Expanding presence in Mexico and China Performance Products & Solutions PolyOne Corporation Page 50 $96 $109 2006* 2014 To Value Gross Margin ($ in millions) +13% 1,431 1,124 2006* 2014 From Volume… (lbs in millions) -21% Performance Products & Solutions *2006 = Near peak housing PolyOne Corporation Page 51 Accelerating Growth Market Growth/ Megatrends Innovation Collaboration Geographic Expansion Performance Products & Solutions PolyOne Corporation Page 52 Who We Are Growing With Performance Products & Solutions PolyOne Corporation Page 53 Geographic Growth Opportunities Mexico represents growth, spurred by: • Robust demand in Automotive • Re-shoring from Asia • PolyOne collaboration China is a $2B PVC market; 2nd largest in the world: • A new tax license enables domestic (vs. export) business • We have expanded capacity • We are investing in capability Performance Products & Solutions PolyOne Corporation Page 54 Addressable Market ($ millions) $300 $150 $200 Innovation Pipeline Potential Performance Products & Solutions Prototype Frame Opportunity Scale-up & Test Market Build Business Case Commercial Launch Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 0 2 0 1 0 3 0 1 1 1 5 3 1 1 1 Breakthrough Platform Derivative PolyOne Corporation Page 55 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer Performance Products & Solutions PolyOne Corporation Page 56 Healthcare Solutions LED Lighting Key Initiatives Eco-Conscious Solutions $25M Revenue potential $30M Revenue potential $60M Revenue Potential Performance Products & Solutions PolyOne Corporation Page 57 Platinum Vision 4.3% 6.3% 7.2% 7.7% 10-12% 2011 2012 2013 2014 2020 Platinum Vision World Class Operating Margin Accelerating Growth Performance Products & Solutions Market Growth/ Megatrends Innovation Collaboration Geographic Expansion PolyOne Corporation Page 58 Summary • Business evolution from volume to value • Business is at an inflection point • Growth will be driven by:  Economic & Megatrend alignment  Innovation  Collaboration across PolyOne  Geographic sales expansion in China and Mexico Performance Products & Solutions PolyOne Corporation Page 59 PolyOne Distribution Mark Crist President, Distribution PolyOne Corporation Page 60 At a Glance PolyOne Distribution 15% 52% 2006 2014 Key Suppliers 2014 Revenues: $1.1 Billion ROIC Building & 13% Electrical & 23% 15% 4% 25% http://www.polyone.com/Pages/VariationRoot.aspx PolyOne Corporation Page 61 What We Do Processing Expertise World-Class Supply Chain Deep Customer Relationships Market Consultation Right the First Time… Every Time PolyOne Corporation Page 62 What We Have Delivered 2.6% 3.5% 4.6% 6.4% 6.1% 2006 2008 2010 2012 2014 Operating Margin $19 $28 $42 $66 $68 2006 2008 2010 2012 2014 Operating Income ($M) • World class supplier line card • Differentiating with service and operational excellence • Key portfolio additions with DuPont, Bayer and Ineos • Value based selling and discipline PolyOne Distribution PolyOne Corporation Page 63 Accelerating Growth PolyOne Distribution Market Growth/ Megatrends Commercial Investment Cross-Selling & Collaboration Growth in Targeted Areas PolyOne Corporation Page 64 Who We Are Growing With PolyOne Distribution PolyOne Corporation Page 65 Megatrends Aligned with Key End Markets Increasing Energy Efficiency Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Distribution PolyOne Corporation Page 66 Geographic Growth Opportunities • Currently 10% of POD’s revenue is generated from Mexico • Existing business is served “from the border” • New Mexico district & warehouse will drive transportation growth in Central Mexico • Expansion in China resulted from growing with our NA HC customers • Investing in sales deployments • Localizing supply • Gaining Share PolyOne Distribution PolyOne Corporation Page 67 Going Beyond Distribution WeatherTech® – Polymer BumpStep® BEDRUG™ – Tri-fold Truck Bed Cover CeQur PaQ – Type 2 Insulin Delivery Device PolyOne Distribution PolyOne Corporation Page 68 Platinum Vision 2.6% 4.6% 6.1% 6.5 - 7.5% 2006 2010 2014 2020 Platinum Vision World Class Distribution Margin Accelerating Growth PolyOne Distribution Market Growth/ Megatrends Commercial Investment Cross-Selling & Collaboration Growth in Targeted Areas PolyOne Corporation Page 69 Summary • Motivated and well trained POD sellers making the calls / collaborating with other PolyOne businesses • Representing a world class supplier line card • Delighted customers and suppliers who choose us to represent them PolyOne Distribution PolyOne Corporation Page 70 Financial Highlights Bradley C. Patterson President and Chief Executive Officer PolyOne Corporation Page 82 PolyOne Core Values Innovation Collaboration Excellence PolyOne Corporation Page 83 Confirmation of Our Strategy The World’s Premier Provider of Specialized Polymer Materials, Services and Solutions Specialization Globalization Operational Excellence Commercial Excellence PolyOne Corporation Page 84 ‘06-‘14 Adjusted EPS CAGR = 40% Strategy and Execution Drive Results $0.12 $0.27 $0.21 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 '06 '07 '08 '09 '10 '11 '12 '13 '14 Adjusted EPS Share Price vs.

untitled CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION ANNUAL REPORT 2019 74424.indd intro_1 3/16/20 12:25 PM 74424.indd intro_2 3/16/20 12:25 PM PolyOne Corporation (NYSE: POL), with 2019 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and sustainable solutions. In addition, the plastic waste problem remains a priority for our world and our industry, as education eff orts on the sustainable and inherent benefits of polymers run in parallel with collaborative work to eliminate plastic waste. We have eight primary ways we do this, by combining our material science expertise with the inherent sustainable benefits of polymers.

Starting with raw materials, we source the best polymers, additives, modifiers, fillers, reinforcers, colorants and pigments. HIGHLIGHTS from 2023: • Preserving key natural resources • Increasing healthcare regulations • Enabling connectivity & alternative energy • Increasing regulatory compliance • Specialty formulations, colorants and additives to meet medical device regulations • Specialty optical fibers for telecommunications • Advanced composite and fiber solutions for alternative energy infrastructure • Regulatory compliance expertise PRESERVE SUPPORTS SUSTAINABLE INFRASTRUCTURE Infrastructure Retrofit for Hydrogen Power Fiber-Line™ Engineered Fibers Healthcare Energy Consumer NON-PTFE FORMULATIONS Non-Fluorinated Polymers LubriOne™ Internally Lubricated Formulations UP TO BIO-BASED CARRIER Medical Devices Mevopur™ Bio-Based Polymer 75% Spin Dyed Textile Yarn Renol™ Spin Dying Colorants LESS WATER UP TO 40% BIO-DERIVED Pharmaceutical Tubing Versaflex™ HC BIO BT218 TPE ENABLE ALTERNATIVE ENERGY SOURCES Photovoltaic Wire & Cable ECCOH™ XL 8148 Cross-Linkable Solutions HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 44Sustainability Report | 2023 44 https://www.avient.com/news/avient-showcase-world-s-strongest-fiber-and-high-performance-engineered-fibers-techtextil-2024 https://www.avient.com/sites/default/files/2024-04/LubriOne%20Internally%20Lubricated%20Formulations%20PTFE%20Free%20Series%20Product%20Bulletin.pdf https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-colorants/fiber-colorants/renol-fiber-colorants https://www.avient.com/sites/default/files/2023-07/Versaflex%20HC%20_%20Versaflex%20HC%20BIO%20-%20BT%20Series%20Product%20Overview.pdf https://www.avient.com/idea/understanding-needs-and-challenges-photovoltaic-cable Product Stewardship Protecting associates, customers and the environment by providing safe products is a priority for Avient. Substances are encapsulated in our solid polymers and not biologically available for exposure when used as intended, therefore do not present a hazard.

You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.

You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.

You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.

You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.

You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1) You may see us use both terms, MSDS and SDS, as GHS becomes more familiar in all of our global market.