Processing conditions can cause material properties to shift from the values stated in the information. It is the responsibility of the medical device manufacturer and the person placing the medical device on the market to ensure compliance of the medical device with all applicable laws and regulations, including the suitability of all raw materials and components used for its manufacture. Please be aware that there are certain applications Avient’s Mevopur products have not been designed for, nor are they promoted or intended for use in: including, but not limited to long-term or permanent implants, birth control devices, or plastic surgery.

Through our design expertise and materials science, we positively impact and enable our customers’ products in many end markets. now Silicor Materials Inc.), a solar silicon company. RSUs are designed to promote share ownership and promote the retention of our executives.

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 time required to consummate the proposed acquisitions described in this presentation; • The satisfaction or waiver of conditions in the purchase agreements for the proposed acquisitions; • Any material adverse changes in the business of Clariant’s Color and Additive Masterbatch business; • The ability to obtain required regulatory or other third-party approvals and consents and otherwise consummate the proposed acquisitions; • Our ability to achieve the strategic and other objectives relating to the proposed acquisitions, including any expected synergies; • Our ability to successfully integrate Clariant’s Color and Additive Masterbatch business and achieve the expected results of the acquisitions, including, without limitation, the acquisitions 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 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 plastics in jurisdictions 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 raise or sustain prices for products or services; • An ability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to acquisition and integration, working capital reductions, costs reductions and employee productivity goals; • 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. Richardson Executive Vice President and Chief Financial Officer PolyOne Corporation 4 PolyOne Corporation 5  Landmark portfolio transformation: > 85% of Adjusted EBITDA from specialty solutions  World-class innovation, technology and service are differentiators  Sustainability initiatives and alignment with megatrends drive above market growth in key end markets and applications:  Capital management is a strength - proven track record of expanding ROIC while increasing invested capital Transaction expected to add $0.85 to pro forma adjusted EPS T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y Integrity V I S I O N PolyOne Corporation 6 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty Respect Operational Commercial Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of sustainable, specialty polymer materials and solutions.

Engineered Polymer Formulations for Firearm Components At Avient, we focus on solving your material science challenges. From custom solutions to innovative design, we understand how to integrate specialty materials into your projects to create reliable and comfortable products that deliver outstanding performance and a remarkable customer experience. Processing conditions can cause material properties to shift from the values stated in the information.

These materials offer an excellent balance of stiffness, impact resistance and dimensional stability. Processing conditions can cause material properties to shift from the values stated in the information. At PolyOne, we pride ourselves on our material science expertise, processing knowledge and creative design capabilities.

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. Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use.

Injection Molding: Part Design Injection Molding: Mold Design Protective Materials

Through our design expertise and material science, we positively impact and enable our customersʼ products in nearly every end market. now Silicor Materials Inc.), a solar silicon company. RSUs are designed to promote share ownership and promote the retention of our executives.

PolyOne Corporation, its subsidiaries and affiliates--designs, sources, manufactures and distributes chemicals and plastic products globally. These materials appear on the "core raw materials list." Yes – PolyOne has a formal approach called Compound Asset Improvement and Design (CAID) that is used for investigation and removal of constraints. 3.

Our formulation expertise supports material science decisions, while our processing expertise guides customers to use the materials properly. Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use. WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION FE BRUARY 1 5 , 2023 W EB CAS T Q4 2022 VS.