business (including the Dyneema® brand) ("Dyneema") and that it is exploring the sale of its Distribution business. to discuss second quarter results and provide more details about the Dyneema acquisition and potential sale of its Distribution business. Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy

Homepage // News Center // Breakthrough Automotive Exterior Design Features Specialty PolyOne Color and Additive Technology Working closely with the Citroën design team, PolyOne developed a specialty OnColor™ Smartbatch™ color and additive technology that allows the distinctive panels to meet stringent UV stability, appearance and durability requirements. We are thrilled at the opportunity to be part of this effort by bringing enabling technologies to the Citroën team as they pioneer new directions in automotive design,” said Christoph Palm, general manager, Color & Additives EMEA & India, PolyOne Corporation.

Homepage // News Center // PolyOne Provides New Twist for Aluminum Cap Liners with Low-Migration TPE Technology at Pack Expo 2015 LAS VEGAS – September 28, 2015 – Today at Pack Expo 2015, PolyOne (booth #6464) unveiled a low-migration aluminum cap liner technology based on its new GLS™ Versaflex™ PKG 4190 thermoplastic elastomer (TPE). As an extension of GLS compression-molded cap liner technology, this non-PVC Versaflex PKG is formulated for aluminum caps used for sealing glass, polyethylene terephthalate (PET), or aluminum containers.

Homepage // News Center // PolyOne ColorMatrix Technology Enables Energy Savings for China’s PET Packaging Converters SUZHOU, China – ColorMatrix, a subsidiary of PolyOne Corporation and a global leader in liquid color and additives for plastics, today announced that its patented Joule™ RHB liquid infra-red absorption technology is now approved for use in PET beverage packaging in China. Adding this technology to bottle preforms enables improved recyclability and reduces energy consumption by up to 30% compared with reheat-free PET resin for substantial production cost savings. 

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • 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 • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient is a certified ACC Responsible Care® and a founding member of the Alliance to End Plastic Waste. GUIDANCE DEBT / LEVERAGE R EDUCTION • Completed sale of Distribution and paid down $750M of debt in November • Strong free cash flow in fourth quarter reduced leverage and enabled paydown of additional $200M of debt • Fixed/Floating Debt Ratio 63/37 • Proven track record of deleveraging following acquisitions through consistent free cash flow generation $725 $725 $725 $575 $500 $400 $600 $525 $425 $650 $650 $650 $600 $2.40B $2.20B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes After Distribution Divestiture Year-End 8 Year-End Leverage 3.8x 3.1x 2.9x 2023 Notes After Avient Protective Materials Acquisition $3.15B 20 22 TRA NSF OR MATI ONAL PORTFOLI O ENHA NC EMENTS 9 EBITDA margins expanded from 12% to 16% Diversified end markets with reduced exposure to more cyclical industries Dyneema® Acquisition $1.48B acquisition strengthens composites platform Significantly improved EBITDA margins $950M divestiture results in 100% specialty sales Strong exit multiple of 10x TTM EBITDA despite market volatility Distribution Divestiture Improved Portfolio G ROW I NG C OM PO SI T ES P LAT F OR M C O NT R I BU TI O NS TO S EM S EG ME NT 10 Note: 2022 is pro forma for Avient Protective Materials 2016 Sales 2022 Sales Advanced Composites 51% $560M $1,300M Advanced Composites 9% C O M P O S I T E S P O R T F O L I O D Y N E E M A ® E X P A N D S O U R E N G I N E E R E D F I B E R S A N D T A P E S T E C H N O L O G Y LFT Tapes Laminates/Panels Shapes Pultrusion Engineered Fibers 11 ADVA NC ED C OM POSI TES PERFORMA NCE 12 (1) Pro forma for the acquisition of Avient Protective Materials Sales $51 $84 $212 $668 2016 2018 2020 2022 $4 $10 $41 $169 2016 2018 2020 2022 EBITDA (1) (1) ($ in millions) PORTFOLIO EVOLUTION AND EPS EXPANSION 13 Adj.

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 T R A N S F O R M A T I O N A L O V E R V I E W Avient Protective Materials Dyneema ® RECENT TRANSAC TIONS Acquired Divested $1.45 B $0.95 B 4 Distribution UPDATED CA PI TAL STRUC TURE & LI QUI DI TY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 5 PREVI OUS TR ANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 6 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion. Ops Pro Forma Adjusted EPS (in millions) (in millions) 20 SUMMARY • Executed the plans we laid out earlier this year • Completed the Dyneema acquisition and Distribution divestiture amid challenging market conditions • Paid down debt and expect to finish the year modestly levered at 3.1x net debt to 2022 pro forma adjusted EBITDA • Expect $200 million of free cash flow in 2022 • Entering an economic slowdown with a portfolio that is better positioned than ever before • Updated our EPS guidance to $2.60 from continuing operations SEGMENT DATA U.S. & Canada 40% EMEA 35% Asia 20% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 21% Packaging 23% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE (1) Total company adjusted EBITDA of $585M includes corporate costs.

Homepage // News Center // Avient Technology Helps to Achieve Color Consistency in L’Oréal PCR Packaging Worldwide It uses sophisticated technology to help brand owners like L’Oréal understand what colors are achievable based on the amount of PCR content used. Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy 

Dyneema®, the world’s strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports     Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy    

Polymeric, high molecular weight fluoropolymers are too large to cross biological membranes. Retired Chief Technology Officer, Colgate-Palmolive Company Gregory J. Polymeric, high molecular weight fluoropolymers are too large to cross biological membranes.

In 2022, we expanded our materials offering with the acquisition of the protective materials business of DSM, including the Dyneema® brand, the World’s Strongest Fiber™.