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. Sources Cash from Balance Sheet $465 New Senior Unsecured Notes 650 New Equity 450 Total Sources $1,565 Uses Clariant Masterbatch $1,500 Clariant India Masterbatch 60 Less: Lease Adjustment (113) Net Purchase Price $1,447 Net Cash Acquired 57 Fees, Expenses & OID 61 Total Uses $1,565 ($ Millions) Cash and Cash Equivalents $370 $450M Senior Secured ABL Revolver - Senior Secured Term Loan B due 2026 624 Other Debt 25 Total Senior Secured Debt $649 5.25% Senior Unsecured Notes due 2023 $600 New Senior Unsecured Notes 650 Total Senior Debt $1,899 Net Debt $1,529 New Equity $450 Pro Forma Capitalization (1) PF 12/31/2019 $450 $600 $624 $743 2019 2020 2021 2022 2023 2024 2025 2026 A T T R A C T I V E F I N A N C I N G S T R U C T U R E Attractive Debt Maturity Profile Existing Revolver Existing Senior Notes Existing Term Loan B New Debt Summary Terms on New Debt  $465 million of cash from the balance sheet expected to fund a portion of the purchase price  Bridge financing for remainder fully committed from Citi, Morgan Stanley and Wells Fargo  Permanent financing expected to include a combination of long-term debt and new equity  The timing of the permanent financing is subject to a number of factors, including, but not limited to, market conditions  PolyOne is committed to preserving a strong balance sheet – Target net leverage at close below 3.5x, excluding synergies  Pro forma capital structure positions PolyOne with flexibility to pursue continued growth strategy  New financing expected to have same or better covenant package than existing capital structure  Capital structure would be “covenant lite” Capital Policy  Transaction in line with PolyOne’s disciplined capital allocation policy  Existing PolyOne dividend policy to be maintained  Focus on deleveraging in the near term 2028+ PolyOne Corporation 26 PolyOne Corporation 27 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  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 PolyOne Corporation 28 PolyOne Corporation 29

Electrical Vehicles & Infrastructure More E-Battery Systems for Electric Vehicles As battery enclosures evolve into integrated structural components, the need for advanced materials has grown.

Automotive chassis components, body panels Medical splints, braces, orthopedic fixators Avient’s Glasforms™ and Gordon Composites™ carbon fiber composite materials consist of thermoset continuous fiber polymer rods, bars, laminates and custom shapes used in a variety of applications that require superior technical characteristics. For more details including technical information, download the product bulletin. MOVE OVER METAL Compared to steel, carbon fiber composites are: Tensile Strength 400–500 ksi Density 1.55 g/cm3 Concrete reinforcement, infrastructure repair BUST THE RUST Carbon fiber composites are inherently corrosion resistant, making them ideal for harsh outdoor applications MEET YOUR NEEDS Avient customizes composite materials to meet your specifications, from specialty surface treatments to finishing operations TAKE THE HEAT Carbon fiber composites have excellent dimensional stability to withstand extreme temperatures and conditions stronger 10X 5X lighter Archery bow limbs, risers, cable guards, arrows https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-pultruded-rods-tubes-custom-profiles https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/gordon-composites-thermoset-laminates-barstock https://www.avient.com/sites/default/files/2021-11/carbon-fiber-reinforced-product-bulletin.pdf

SEM Base Station Antenna Application Bulletin_JP-210x285mm Avientの高機能材料ソリューション 高周波対応、5G基地局向けアンテナ材料 5Gアンテナメーカーは、より短いリードタイムで製品のデザイン要求を満たすことができ、5Gインフラの迅速な設置の 要求に応じることが出来ます。

EUROPEAN CABLE MANUFACTURER S E M I - T I G H T B U F F E R F O R I N D O O R D U P L E X C A B L E S • Low shrinkage for connectorization • Easy to strip for efficient installation • Good kink resistance • Resistance to chemicals and filling compounds • Provided an alternative solution, with improved performance, compared to PA12 and PBT materials on the market • Reduced shrinkage and improved strippability for easier installation • Reduced smoke production, improving overall fire performance • Increased processing speeds, reducing overall manufacturing cost ECCOH™ 6151 Formulation KEY REQUIREMENTS WHY AVIENT? https://www.polyone.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations

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