Observe que quaisquer alterações feitas ao seu perfil podem ter impacto na(s) sua(s) candidatura(s) atual(is). Responderemos à(s) sua(s) solicitação(ões) assim que for razoavelmente possível, mas, de qualquer forma, dentro do prazo legalmente exigido.

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) J A N UA RY 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. WHAT WE DO: WE ARE A FORMULATOR CUSTOM FORMULATION 6 N OVE MBE R 2 , 2023 W E BCAS T P RE S E N TAT I O N Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 8 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 10 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results vs. PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA (in millions) $0.42 $0.47 2022 PF 2023 Adjusted EPS (in millions) - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 16 $112 $500 Q4 FY $0.47 $2.30 Q4 FY Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 Q4 FY Sales Adjusted EBITDA Adjusted EPS 17 (in millions) (in millions) Guidance: Free Cash Flow $180 $180 Prior Guidance Guidance FREE CASH FLOW & INCREASED DIVIDEND 13th Consecutive Dividend Increase 0.16 0.26 0.42 0.58 0.79 0.85 0.99 1.03 2011 2013 2015 2017 2019 2021 2023 2024 18 S U S TAI NABI L I T Y DAY RE CAP SUSTAINABILITY AS A GROWTH DRIVERLONG-TERM REVENUE GROWTH DRIVERS 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 20 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) Sources: McKinsey, Bloomberg, Grand View Research SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 21 • Transformative acquisitions combined with divestitures of more cyclical businesses have improved margins over 400 bps since 2018 • 20% long-term margin goal to be driven by key growth drivers, with sustainable solutions playing a meaningful role 5.4% 11.5% 16.0% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ ADJUSTED EBITDA MARGIN EXPANSION 22 • 6% annualized long-term sales growth leveraging sustainable solutions, composites, healthcare, and emerging regions • Expand EBITDA margins to 20% • Deliver annual EBITDA and EPS growth of 10% and 15% • Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator • Continue fostering our Great Place to Work® culture CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 23 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of December 29, 2023 Note: Avient reflects 2023 estimated revenue of $3,130 and estimated run-rate CAPEX of $110M. 26 3.5 1.8 2.7 3.1 3.3 3.7 3.0 3.7 4.7 4.8 6.8 6.8 8.7 11.1 Av ie nt KW R FU L PP G AV Y R PM FM C H U N C E EC L H XL AS H EM N SC L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of December 29, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Independence Assessment of Outside Advisers • The Committee may select a compensation consultant, legal counsel or other adviser to the Committee or receive advice from a compensation consultant, legal counsel or other adviser (other than in-house legal counsel or any compensation consultant, legal counsel or other adviser whose role is limited to the following activities for which no disclosure would be required under Item 407(e)(3)(iii) of Regulation S-K: consulting on any broad-based plan that does not discriminate in scope, terms, or operation, in favor of executive officers or directors of the Company, and that is available generally to all salaried employees; or providing information that either is not customized for a particular company or that is customized based on parameters that are not developed by the compensation consultant, and about which the compensation consultant does not provide advice) only after taking into consideration all factors relevant to that person’s independence from management, including the following: • the provision of other services to the Company by the employer of the compensation consultant, legal counsel or other adviser; 5 • the amount of fees received from the Company by the employer of the compensation consultant, legal counsel or other adviser, as a percentage of the total revenue of the employer of the compensation consultant, legal counsel or other adviser; • the policies and procedures of the employer of the compensation consultant, legal counsel or other adviser that are designed to prevent conflicts of interest; • any business or personal relationship of the compensation consultant, legal counsel or other adviser with a member of the Committee; • any stock of the Company owned by the compensation consultant, legal counsel or other adviser; and • any business or personal relationship of the compensation consultant, legal counsel, other adviser or the employer of the adviser with an executive officer of the Company. • The Committee shall evaluate whether any compensation consultant retained or to be retained by it has any conflict of interest in accordance with Item 407(e)(3)(iv) of Regulation S-K.

Industrial Valle del Cinca S/N Apartado Barbastro, Huesca E-22300 Spain Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 U.S.A. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources Activity: Design and Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Page 3 of 10 ABS Quality Evaluations Avient Corporation ISO 14001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Industrial Valle del Cinca S/N Apartado Barbastro, Huesca E-22300 Spain Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 U.S.A. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources Activity: Design and Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Page 3 of 10 ABS Quality Evaluations Avient Corporation RC14001®:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Table of Contents 1.0 Organizational Context ..............................................................................................................................................3 1.1 Purpose ..................................................................................................................................................................3 1.2 Scope ......................................................................................................................................................................3 2.0 Avient Global Quality Policy ......................................................................................................................................4 3.0 Supplier Management ...............................................................................................................................................5 3.1 Supplier Quality Management System..................................................................................................................5 3.2 Performance Evaluation ........................................................................................................................................5 3.3 Supplier On-Site Audit ...........................................................................................................................................5 3.4 Product and Process Changes ................................................................................................................................6 4.0 Supplier Quality Expectations ...................................................................................................................................6 4.1 Raw Material(s), Packaging and Shipping .............................................................................................................6 4.2 Nonconforming Material, Containment, and Supplier Corrective Action............................................................6 4.3 Contingency / Disaster Recovery Plan...................................................................................................................7 4.4 Sub-Tier Supplier Controls .....................................................................................................................................7 5.0 Avient Business Expectations ....................................................................................................................................8 Additional functional area documentation ........................................................................................................................8 6.0 References..................................................................................................................................................................9 7.0 Definitions and Acronyms .........................................................................................................................................9 Approved Corporate : Manual Document #: DOC-02627 Revision: 6 Document Owners: Kyle Johnson Effective Date: Mar 20, 2024 Title: Global Supplier Quality Manual Page 3 of 10 Only the electronic version of this document in ETQ is the controlled version of the document. Avient reserves the right to reject and seek corrective action against any material received from a supplier that did not communicate a change in product or process prior to shipment to Avient facilities. 4.0 Supplier Quality Expectations 4.1 Raw Material(s), Packaging, and Shipping Raw materials shall comply with purchasing specifications as agreed upon between the supplier and Avient.

Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources 33587 Walker Road Avon Lake OH 44012 United States Avient Corporation Avon Lake, OH (SEM) Design and Manufacture of Specialty Engineered Thermoplastics 554 Moore Road Avon Lake OH 44012 United States Avient Corporation Design and Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Kornkamp 50 Ahrensburg Schleswig- Holstein 22926 Germany Avient Corporation - Albany Design and Manufacture of Colorants and Additives for Plastics 4 Rothwell Ave, PO Box 300-009 Auckland 0632 New Zealand Avient Corporation Avon Lake Color Design and Manufacture of Specialty Engineered Thermoplastics 33587 Walker Road, Building 416 Avon Lake OH 44012 United States Avient Corporation Design and Manufacture of Specialty Engineered Thermoplastics Pol. Industrial Valle del Cinca S/N Apartado , E-22300 Barbastro, Spain Avient Corporation Design and Manufacture of Colorants and Compounds for Fluoropolymer and High Temperature Polymers. 19 Francis J Clark Circle Bethel CT 06801 United States Avient Corporation Design and Manufacture of Colorants and Additives for Plastics 03 Street 02, VSIP 820000 Thuận An Binh Duong Vietnam Avient Corporation Design and Manufacture of Colorants and Additives for Plastics Lot 1232, MK. 15, Kawasan Industri, Kecil & Sederhana Butterworth Penang 14120 Malaysia Avient Corporation Design and Manufacture of Colorants and Additives for Plastics Autopista Medellín Km 2.5, Via Parcelas Km 1, Vereda Siberia , 250017 Cota, Colombia Avient Corporation Design and Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Ihsan Dede Cad. , 41448 Gebze, Türkiye Avient Corporation Design and Manufacture of Colorants and Additives for Plastics 2#, Nanyunsan Rd, Huangpu District, Science City, Guangzhou Hi-Tech Industrial Development Zone , 510663 Guangzhou, Avient Corporation Design and Manufacture of Colorants and Additives for Plastics Avenida 34-11, Zona 12 Complejo Parque Gobal , 01012 Guatemala City, Guatemala Avient Corporation Design and Manufacture of Specialty Engineered Thermoplastics Orhangazi Mah. 1683 Sok.

Industrial Valle del Cinca S/N Apartado Barbastro, Huesca E-22300 Spain Facility: Avient Corporation - Bethel, CT 19 Francis J Clark Circle Bethel, CT 06801 U.S.A. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources Activity: Design and Manufacture of Colour and Additive Concentrates, Thermoplastic Resins and Specialty Compounds Page 3 of 10 ABS Quality Evaluations Avient Corporation ISO 14001:2015 Certificate Of Conformance ANNEX At Below Facilities: Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation.

Mes de inicio: 10/2015 Secundaria(s): 469090 (F-883) VENTA AL POR MAYOR DE MERCANCÍAS N.C.P.

S/ STEPHEN D. s/ Robert M. s/ Robert M.