They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. 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; • Disruptions or inefficiencies in our supply chain, logistics, or operations; • Changes in laws and regulations in jurisdictions where we conduct business, including with respect to plastics and climate change; • Fluctuations in raw material prices, quality and supply, and in energy prices and supply; • Demand for our products and services; • 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 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; • Our ability to achieve strategic objectives and successfully integrate acquisitions, including the implementation of a cloud-based enterprise resource planning system, S/4HANA;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, geopolitical conflicts 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. For the same reasons, Avient is unable to address the probable significance of the unavailable information. 2 3 AVIENT OVERVIEW OUR VISION: Creating specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world 2023 Financial ResultsCompany Overview Revenue By: 9,300 Employees 102 Manufacturing Sites 20,000+ Customers Key Highlights  Premier formulator of specialized and sustainable materials solutions  Asset-light business model, with flexibility to adapt to customer needs  Best-in-class technology and service (140+ PhDs / 2,500+ patents)  History of transformation through successful M&A while consistently returning cash to shareholders  Poised for continued future growth in excess of GDP $3.14B Revenue $2.36 Adjusted EPS $502M Adjusted EBITDA 16.0% Adjusted EBITDA Margins $186M Adjusted Free Cash Flow Over $1B in share buybacks since 2011 Raised dividend for 13 consecutive years, a 15% CAGR since 2011 U.S. & Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 41% 36% 18% 5% 7% 7% 23% 19% 9% 16% 10% 5% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 C R EAT I N G A WO R L D- C L A SS S US TA I NA B L E ORG A N I ZAT I ON 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2.

NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that Dr. and our customers over the last six years," Mr. is a premier provider of specialized polymer materials, services and solutions.

PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence. They are based on management's expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.

Customer destocking was also less impactful during the quarter." Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and personal PIN. They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.

TPEs can be customized, depending on the application requirements, to provide surface feel ranging from grippy or tacky to smooth and silky. Customers can keep a firm grasp of the sprayer to prevent dropping or twisting. In another example, Brooks Sports chose a high-performance, customized TPE for a new running shoe cushioning technology.

brings to customers and the full suite of innovative materials and services that enable their sustainability goals. to expand their roles, serve our customers, and inspire our global associates," said is a premier provider of specialized polymer materials, services and solutions.

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Our customers value the breadth of our solutions as we can tap into a broad array of raw materials to solve their specific needs. Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly.

Brands using silicone or TPU materials have been seeking an alternative for a number of reasons, including long sourcing lead times and manufacturing challenges for silicone and the inability of TPU to endure blue jeans contact without staining. PolyOne Corporation, with 2017 revenues of $3.2 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe by creating value through collaboration, innovation and an unwavering commitment to excellence.

Van Hulle Page 53 United States 33% Europe 47% Canada Asia 12% Latin America Eastern Europe 2% 2011 Revenue: $0.7 Billion*2011 Revenue: $0.7 Billion* SolutionsSolutions At a Glance Global Color, Additives, and Inks Building & Construction 11% Wire & Cable 15% Consumer 6% Packaging 36% Industrial 10% Misc. 7% HealthCare 3% Transportation 6% Textiles 6% Canada 1% Latin America 5% 2011 Revenue by Industry Segment*2011 Revenue by Industry Segment* *Pro forma for the acquisition of ColorMatrix Expanding ProfitsExpanding Profits 1.7% 4.6% 5.1% 5.5% 7.1% 9.6% 12-16% 2006 2007 2008 2009 2010 2011PF 2015 Operating Income % of Sales Target Page 54 Value Proposition • GCAI is a global leader enabling OEMs and converters to profitably expand their business with customized color and additive solutions Transformation Highlights • Mix improvement and value-based selling has Value Proposition and Transformation Highlights Global Color, Additives, and Inks • Mix improvement and value-based selling has driven nearly 800 basis points increase in operating margin since 2006 • 2011 acquisition of ColorMatrix accelerates innovation pipeline and expansion into new markets > $12B Addressable Market Page 55 • Unbiased, solution-based culture selling value � Customer-centric approach � Economic value impact documented for customers • Complete package, product range and service offering � Custom solutions for customers’ unique requirements Key Differentiators Global Color, Additives, and Inks � Custom solutions for customers’ unique requirements � Industry-leading service offering • Coordinated global infrastructure � Consistency in product and customer service � Supply-chain reliability Page 56 From Volume Commodity white dominated mix To Value Focus on specialty color Global Film Customer Volume Revenue Gross Margin $ Mix Transformation – Executing the Strategy Global Color, Additives, and Inks 2010 2011 2010 2011 2010 2011 Page 57 Global Packaging Customer Volume Sales Gross Margin $ From Volume Commodity white dominated mix To Value Focus on specialty color Mix Transformation – Executing the Strategy Global Color, Additives, and Inks 2010 2011 2010 2011 2010 2011 Page 58 • OnColor™ HC Plus � Applications: Medical devices � Customer benefits: Brand enhancement, expanded market opportunities, speed-to-market • WithStand™ Antimicrobial Solutions � Applications: Healthcare devices, appliances, kitchen utensils Key Innovations Global Color, Additives, and Inks � Applications: Healthcare devices, appliances, kitchen utensils and surfaces, children’s toys � Customer benefits: Expanded market opportunities, extended product life • OnCap™ Antifog � Applications: Food packaging � Customer benefits: Extended shelf life, improved product aesthetics, production efficiencies Page 59 • $1.5 billion attractive, growing market • Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product • Aligned with megatrend of protecting the environment Market Opportunity Shelf-life extension Greater product consistency Weight reduction Performance Additives Global Color, Additives, and Inks the environment Leading Global Supplier of Additives In Fast Growing PET Market consistency Recyclability and reduced carbon footprint Color and special effects Enhanced product aesthetics High heat resistance 4% 4% 8% 9% 9% 10% 11% 14% Western Europe North America South America MEA Easter Europe Asia Pacific China India PET 2008-13P CAGR Page 60 HyGuardTM Oxygen Barrier System • Applications: Beverage containers, food packaging • Function: Active scavenging system for ColorMatrix Innovation Global Color, Additives, and Inks • Function: Active scavenging system for oxygen-barrier improvement • Customer benefits: Extended shelf-life, light-weight, recyclable Page 61 ColorMatrix Innovation Global Color, Additives, and Inks ExceliteTM Foaming Agent • Applications: Vinyl sheet for digital printing • Function: Chemical foaming agent for weight reduction • Customer benefits: Increased product quality, operational efficiencies Page 62 Joule RHBTM Advanced Reheat Technology • Applications: PET containers • Function: Infra-red absorber for improved ColorMatrix Innovation Global Color, Additives, and Inks • Function: Infra-red absorber for improved • Customer benefits: Sustainability, operational and energy savings reheating efficiency Page 63 • Accelerate customer development pipeline with OnColor™ HC Plus • Provide solutions addressing infection concerns in healthcare facilities Areas of Focus Global Color, Additives, and Inks $8.7 $20.0 Healthcare 2006 2011PFconcerns in healthcare facilities • Help customers expand into new markets with HyGuard™ technology • Extend food shelf life and consumer appeal with OnCap™ Anti-Fog $130.2 $268.0 2006 2011PF Packaging 2006 2011PF (Revenue in $ millions) 2006 2011PF 2006 2011PF Page 64 Critical Imperatives and 2015 Goal Global Color, Additives, and Inks Critical Imperatives • Integrate and leverage ColorMatrix technology and customer relationships • Identify and focus on specialty applications within our target markets • Accelerate global expansion and profitability improvements in emerging markets, leveraging success in U.S. and Europe 2015 Goal • 12 - 16% return on sales Page 65 Page 66

Or, choose our Smartbatch™ Combination Colorants & Additives that incorporate custom colors with functional additives in a single, optimized formulation. Avient is a premier provider of specialized and sustainable material solutions and services that transform customer challenges into opportunities. Our broad portfolio of product technologies and services sets us apart in the EVSE market, and our range of world-class services includes: Color Technology Custom color design and special effects to meet performance and aesthetic requirements Color & Design Services Trend & color insights, and product development assistance to optimize design Regulatory Coordination Assistance with new product approvals to reduce regulatory overhead and minimize risk Field Technical Service Support for tool design, startup, and production optimization to gain manufacturing efficiencies Sustainability Focus Innovative materials and solutions to help meet sustainability goals