Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. Our exceptional polymer scientists and design engineers are integral to their product development process. Simply put… We solve customers’ most pressing material science challenges.

PolyOne Corporation Page 1 PolyOne Investor Presentation Credit Suisse Boston Basic Materials Conference June 2015 PolyOne Corporation Page 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. 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:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  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 in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  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, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; 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.  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.

FRANKFURT, Germany – April 15, 2024 – Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, announced it will showcase its high-performance engineered fiber solutions and advanced protective materials portfolio next week at Techtextil, the leading international trade fair for technical textiles and nonwoven fabrics.   The Fiber-Line portfolio includes custom-formulated composite yarns for high-performance consumer applications, water-blocking yarns, reinforced polymer fibers, strength members for ropes and cord structures, reinforcement yarns, industrial yarns, and wire harness yarns for applications in industrial, oil and gas, and fiber optic markets.   Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

NEW YORK– May 3, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, will be exhibiting at the 20th annual LUXE PACK New York trade show next week, highlighting its broad range of polymer technologies for packaging.   Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint  

Engineered to rip through any material, including steel armor Explore material solutions for fiber optic cable, including engineered fibers, specialty engineered materials, colorants, and additives Vectran® Liquid Crystal Polymer

Do not furnish technical services, advertising, promotional material or allowances for advertising or promotional services to one independent distributor unless you make those services, material or allowances available to all competing distributors on a proportionally equal basis. Be especially careful that any documents (including internal memoranda and electronic mail) that you prepare are not subject to possible misinterpretation.

Sustainable Material Answers – Circular Economy Sustainable Material Answers – Recycled PET (rPET) Protect polymers against degradation during processing

This table represents examples of common barstock materials and sizes. These continuous fiber-reinforced polymer composites are ideal in applications where high stiffness and light weight performance are critical. Glasforms materials are highly customizable to meet specific customer requirements.

Van Hulle 2:00 Global Specialty Engineered Materials Craig M. Nikrant Senior Vice President, President of Global Specialty Engineered Materials Ana G. 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.

In the case of recycled grades, fiber manufacturers can use the tracer concentrate pellets earlier in the production process by adding them to the recycled polymer content (e.g., polyethylene terephthalate bottle flakes or shredded nylon fishing nets) prior to being extruded into pellets. Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint