Global Compact • Highlights ESG Performance, including ratings, awards, and certifications • Features increased carbon emissions disclosures, including Climate Change Scenario Analysis and Scope 3 emissions data • Outlines Sustainable Supplier Program, designed to enable supplier evaluation & collaboration • Reflects Great Place To Work® culture focused on safety, employee engagement and advancing diversity, equity and inclusion 20 22 SUSTAI NA BILI TY REPORT 15 Avient Confidential 16 • Virtual presentation to be held September 20, 2023 • Leadership will be conducting an investor-focused presentation around our sustainable solutions portfolio • Deep dive into how we enable customers to achieve their sustainability goals SUSTAINABILITY DAY 16 …are Growing at Twice the Rate as Conventional Products Sustainably-Branded Products… STAKEHOLD ER INFLUENC E D RI VES D EMA ND Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords Brand Owners Have committed to ambitious goals to achieve sustainability metrics 17 A P P E N D I X 20 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RA W MATERI AL BA SKET PEER COMPARISONS AVI ENT I S ASSET LI GHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of July 21, 2023 Note: Avient reflects 2023 estimated revenue of $3,280 and estimated run-rate CAPEX of $110M. 22 3 2 3 3 4 4 3 3 4 5 5 7 8 8 A vi e n t K W R P P G F U L R P M A V Y F M C H U N C E H X L E C L A S H E M N S C L FR EE CA SH FLOW CONV ER SION Source: Peer data per Bloomberg as of July 21, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Global Compact & fulfilled Communication of Progress (COP) requirements • New Sustainability Strategy overview page including our 2022 AIP ESG metrics • New ESG Performance page with ESG ratings, awards, and certifications • Increased disclosures on carbon emissions, including disclosure of Climate Change Scenario Analysis • Added new Product Stewardship and Chemical Management policies • Enhanced data reporting for Workforce Demographics • Improved social disclosures on human rights, dependent care and special leave and strategic training management 20 21 SUSTAI NA BILI TY REPORT Launching integrated sustainability website in parallel with report Aligned with leading reporting frameworks 6 Released July 2022 E S G R AT I N G S P E R F O R M AN C E E S G AWA R D S AN D C E R T I F I C AT I O N S ESG PER FORMANCE & A WAR DS 84th 3 1 2 7 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 9 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 10 PREVI OUS TR ANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 11 • 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.

Avient bu Hükümleri tanımayan bu ülkelerde gerekli olabilecek veri transferi sözleİmelerini de imzalamıİ veya bu Bildirime uygun olarak kiİisel bilgilerinizin transferi için izninizi almıİtır. İİ baİvuru profilinizi de silebilirsiniz. 9.

se sídlem 9638 Pommerloch, route de Bastogne 19, Lucemburské velkovévodství, registrační číslo B145542, zastoupený zmocněncem Mgr.

Das Anbieten geldwerter Zuwendungen sollte nicht mit angemessenen, begrenzten und gesetzlich zulässigen Ausgaben für Geschenke, Unterhaltung und andere legitime Aktivitäten verwechselt werden, die direkt mit der Geschäftstätigkeit von Avient zusammenhängen. 1 1 Richten Sie sich bei der Entscheidung, ob geplante Ausgaben zulässig sind, nach dem Abschnitt Geschenke und Bewirtung des Verhaltenskodex von Avient und nach unserer Richtlinie zu Geschenken und Unterhaltung. Bestechung“ bedeutet, einer anderen Person geldwerte Zuwendungen oder einen anderen Vorteil anzubieten oder zu versprechen, zu gewähren oder zu genehmigen, um die Handlungen des Betreffenden auf unzulässige Weise zu beeinflussen. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brasilien Telefon: +55 11 4593 9200 Europa Regionale Hauptverwaltung Pommerloch, Luxemburg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telefon: +352 269 050 35 Fax: +352 269 050 45 www.avient.com http://www.avient.com

Avient’in bilgilerini korumak üzere, müşteri ve çalışanlarına ait bilgiler de dahil olmak üzere, bilgilerin açıklanmaması, değiştirilmemesi, imha edilmemesi veya sağlandığı amaç dışındaki herhangi bir amaçla kullanılmaması için bir bilgi güvenliği ve veri gizliliği sistemi oluşturun.

These colorants are designed for a wide variety of applications, in line with RAL, IEC 304, BS 6746C and AFNOR (Association Française de Normalisation) color requirements.

Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Lomas de Zamora, Argentina AV . Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Santa Clara, Mexico Plásticos 28 int B102 Santa Clara Coatitla, Ecatepec de Morelos, Estado de México 55540 México Design and Manufacture of Colorants and Additives for Plastics 65536-117323Certificate No: Page 43 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Toluca 2000 Toluca, Estado de México 50233 México Design and Manufacture of Colorants and Additives for Plastics 65536-74672Certificate No: Page 50 of 53 ABS Quality Evaluations ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

Amely esetben nincs szükség ilyen adatokra, de Ön úgy dönt, hogy az ilyen típusú adatokat továbbítja nekünk a jelentkezési folyamat során, fenntartjuk a jogot az ilyen információk törlésére adatbázisunkból. 2. Kérésére a lehető leghamar abb válaszolunk, de a törvényben előírt határidő n belül mindenképp.

▲ U.S. consumer sentiment and GDP growth stays robust ▲ China trade war and tariffs de-escalate ▲ European economy improves due to increased infrastructure spend ▲ Continued strength in defense and healthcare markets ▼ Global trade uncertainty / volatility ▼ Persistent inflation and slowdown in global economies ▼ Supply chain disruptions resulting from global trade policy changes ▼ FX volatility ACCE LE R ATO RS DE CE LE RATO RS 13Copyright © .