October 2018) Department of the Treasury Internal Revenue Service Request for Taxpayer Identification Number and Certification ▶ Go to www.irs.gov/FormW9 for instructions and the latest information. If you are asked to complete Form W-9 but do not have a TIN, apply for a TIN and write “Applied For” in the space for the TIN, sign and date the form, and give it to the requester. Also, the IRS does not request personal detailed information through email or ask taxpayers for the PIN numbers, passwords, or similar secret access information for their credit card, bank, or other financial accounts.

From 2005 to 2010, he served as Senior Vice President, Coatings of PPG Industries, a global supplier of coatings and specialty products and services, and from 2003 to 2005, as Vice President, Coatings and Managing Director, PPG Europe. Finally, Global CARE Insurance (Critical Care Air Rescue and Evacuation), which provides supplemental medical services and medical transportation related to business travel, is provided to all Named Executive Officers. We will ask custodians, nominees, and fiduciaries to send proxy material to beneficial owners in order to obtain voting instructions.

McAlindon (24) Page 24 Award-Winning Marketing Campaign Page 25 2012 Range Rover Evoque Interior • Color harmonization across 15 unique color-and-polymer combinations • Eliminated need for multiple pre- colored materials • Reduced Land Rover’s working capital Page 26 KOR Delta Hydration Vessel • Specialty TPE formulation overcame performance issues • Eliminated secondary assembly process for increased operational efficiency Interior seal Flip-top seal Bottom ring Page 27 Friedrich Kühl® Decorative Air Conditioner Housing • Replaced painted ABS housing with Geon™ solution • Reduced operating noise • Simplified manufacturing footprint to drive significant cost savings Page 28 • Focused on markets with high growth and profit potential • Leveraging our in-depth knowledge of formulation Focused Efforts in Attractive Industry Segments $113 $260 Healthcare and processing to develop market driven solutions • Aligning resources across the organization to drive growth in target markets $152 $228 2006 2011 Sustainable Solutions (Revenue in $ millions) 2006 2011 2006 2011 2006 2011 Page 29 • Design service collaboration • Doubled productivity and improved yield rates • Substantial reduction in overall manufacturing costs Pulmonary Device Page 30 Innovating for the future… Rejuvenate a mature industry with new products and processes Products designed for “next life” instead of “end life” Plastics: Key to Future Sustainable Development …Making a difference today! end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% $20.3 14.3% ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

Homepage // News Center // New Details on Specialty, Sustainable Technologies and Services from Avient Featured at K 2022 Customer success collaboration with L’Oréal and joint study with Borealis using Avient’s Post-Consumer Recycled (PCR) Color Prediction Service: A digital service using sophisticated technology to illustrate the color possibilities or limitations of certain types of PCR. Since then, Avient has become better together by further expanding our growing composites portfolio with the addition of the globally admired brand of Dyneema®, the World's Strongest Fiber™. 

Homepage // News Center // PolyOne Helps Schneider Electric Satisfy Global Demand for Affordable, Sustainable Light and Power For the lamp components, Schneider Electric’s designers wanted a globally available material with ‘water clarity’ to make it easier for users to see the glow-in-the-dark switch in pitch-black conditions. PolyOne Corporation, with 2014 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions.

Homepage // News Center // Avient Extends Recycled TPE Portfolio with Grades Containing up to 60% Recycled Content, Supporting Global Customers FRIEDRICHSHAFEN, Germany – October 15, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, today announced the extension of its reSound™ REC Recycled Content Thermoplastic Elastomer (TPE) portfolio with new, globally produced, GP 7820 grades for the Fakuma International Trade Fair for Plastics Processing, held today through October 19, 2024. They are easily colorable, suitable for injection molding and overmolding onto polypropylene (PP) substrates, and available globally. 

Homepage // News Center // PolyOne to Launch New Dedicated Distribution Team and Support Services for Mexico at Plastimagen 2016 Additional services and support include:     Operational analyses •    Regulatory compliance assistance •    Global supply chain and logistics consulting

Product/Service Overview Product/Service Overview Ten engineered material and Masterbatch solutions provided global service improvements for panels on off-road vehicles

Homepage // News Center // Avient Features Sustainable Polymer Colorants and Additives, Specialty Engineered Materials, and Services at Plastimagen 2023 This follows Avient’s recent Gold Rating certification achievement from EcoVadis, a globally renowned sustainability ratings platform, for its commitment to sustainability, ethics, and responsible business practices. Avient is showcasing the following sustainable solutions and services at this year’s Plastimagen tradeshow:

Homepage // News Center // PolyOne Hires John Midea As Senior Vice President, Global Operations and Process Improvement CLEVELAND - PolyOne Corporation (NYSE: POL), a premier provider of specialized polymer materials, services and solutions, today announced that John Midea has been hired as senior vice president, global operations and process improvement. Midea will lead PolyOne’s award-winning global operational excellence initiatives, including manufacturing process improvement, environmental health and safety, global sourcing and logistics, Lean Six Sigma training and deployment, and integration of acquisitions.