Patterson Président et président-directeur général 2 Notre vision et notre stratégie Vision Avient développe des solutions de matériaux spécialisés et durables qui transforment les problèmes des clients en opportunités en donnant vie à de nouveaux produits pour un monde meilleur. L’ampleur et l’impact de nos opérations, associés à nos normes éthiques strictes, exigent que nous recherchions des solutions durables qui résistent à l’épreuve du temps. Rechercher des solutions durables n’est pas seulement la bonne chose à faire pour l’environnement ; c’est également la bonne chose à faire pour nos collaborateurs, nos clients, voisins, actionnaires et notre entreprise.

These may include: • Achieve a percentage of all packaging that is reusable, recyclable or compostable • Increase the use of post-consumer recycled (PCR) content, up to 100% • Use lightweighting or other solutions that will help reduce your carbon footprint • Replace petroleum-based materials with renewable materials such as bio-plastics Whatever your goals, we can help you achieve them with customized solutions based on a number of factors. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

AVNT-2021.09.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Record Third Quarter 2021 Results • Sales increased 32% to $1.2 billion and GAAP EPS from continuing operations increased to $0.57 from $0.02 in the prior year quarter • Adjusted EPS increased 52% to $0.70 driven by record third quarter operating income in all segments • Increased dividend 12% to $0.95, on an annualized basis, representing the eleventh consecutive annual increase • Expected to continue pursuing sustainable solutions acquisitions and resume opportunistic share repurchases with net debt to adjusted EBITDA leverage projected at 2.1x by year end CLEVELAND – October 28, 2021 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its third quarter results for 2021. We have achieved significant growth in sustainable solutions, healthcare and composites in 2021. About Avient Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.75 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

Avient colorants for TPU applications are specifically designed to reach high quality standards. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

AVNT-2023.06.30-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Second Quarter 2023 Results • GAAP EPS of $0.24 includes special items and amortization expense • Adjusted EPS of $0.63 exceeded guidance of $0.60, driven by better-than-projected margins in both segments • Full year adjusted EPS guidance of $2.40 maintained reflecting continued weak demand conditions, offset by adjusted EBITDA margins expected to increase from 15.6% to 16.0% for the year • Most recent Sustainability Report published, highlighting the company’s progress on ESG initiatives focused on People, Products, Planet and Performance • Sustainability Day for investors to be held on September 20th will focus on Avient’s sustainable solutions portfolio and the demand trends that will drive long-term growth CLEVELAND – July 27, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable solutions, today announced its second quarter 2023 results. We are looking forward to sharing how and where our material science is helping customers achieve their sustainability goals and the megatrends that are underpinning the future growth of our sustainable solutions portfolio.” https://www.avient.com/investors https://edge.media-server.com/mmc/p/d4zy5fep https://www.avient.com/investors https://register.vevent.com/register/BI2f6c5ad2bc1b4150b7f39a5b024d27cf https://www.avient.com/investors/events-presentations https://www.avient.com/news-events 4 About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

GLOBAL FRIDGE MANUFACTURER R E F R I G E R A T O R B A S E • Provide 5VA flame retardant rating • Utilize existing molds • Keep the same mechanical and physical properties as current material • Dimensional stability – limit shrinkage of final part • High strength – bearing the weight of the whole fridge • Maintain or reduce weight • Expedited development time, providing solutions ready for testing within a week • Enabled first time approval through close customer collaboration • Provided excellent in person support to both customer and moulder throughout trials • Gave technical advice on how to adjust processing parameters, enabling the use of existing molds with the new material Maxxam™ FR Flame Retardant Formulations KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION FLAME RETARDANT + PROCESSABILITY LEARN MORE Copyright © 2020, Avient Corporation.

Office Furniture Task Chair LEADING OFFICE FURNITURE OEM T A S K C H A I R • Stiff yet extremely tough all-composite solution • Reduce part count by replacing mechanical tilt controls • Cost-effective material • Exceptional fatigue endurance to withstand million cycle deflection test • Enabled novel design by combining long glass fiber and unidirectional tape to meet performance and mass market cost targets • Formulated custom nylon material with minimal conditioned performance loss and smooth, fiber-free surface finish • Provided technical support during two-year product development cycle Complēt™ Long Glass Fiber PA66 Composite and Overmolded Unidirectional Tape Inserts KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION FATIGUE RESISTANCE + PART CONSOLIDATION LEARN MORE Copyright © 2021, Avient Corporation.

TIER 1 SUPPLIER S T E E R I N G C O L U M N B R A C K E T & L E V E R • Automotive OEM lightweighting initiative • Trial alternative materials to replace aluminum support bracket and overmolded steel adjustment lever • Up to 5,200 Newton load requirements with minimal deflection allowance • High stiffness & strength to function similar to metal • Achieved 50% weight reduction with metal to composite conversion • Provided structural design & fiber orientation consultations along with CAE analysis to predict performance met requirements • Shortened manufacturing lead time by supplying injection molded material solution Complēt Long Carbon Fiber Nylon Composite KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING LEARN MORE Copyright © 2021, Avient Corporation.

When you work with Avient, you do. When working with Avient, our materials and technical experts act as an extension to your design and engineering teams, supporting your projects from start to finish. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

With a comprehensive portfolio of high- performance and sustainable materials, Avient offers the broadest range of solutions, capabilities, and resources designed to satisfy even the most demanding industries—from consumer and packaging to transportation and healthcare. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. To learn more about Specialty Engineered Materials, contact Avient at +86 (0) 21 6028 4888 www.avient.com