Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. Webcast Details Avient will host a webcast on Wednesday, April 20, 2022 at 9:00 a.m. Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com mailto:giuseppe.disalvo@avient.com mailto:kyle.rose@avient.com 5 Attachment 1 Avient Corporation Summary of Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2022 2021 Sales $ 1,293.8 $ 1,162.3 Operating Income 128.6 120.4 Net income attributable to Avient shareholders 84.2 79.3 Basic earnings per share attributable to Avient shareholders $ 0.92 $ 0.87 Diluted earnings per share attributable to Avient shareholders $ 0.91 $ 0.86 Senior management uses comparisons of adjusted net income attributable to Avient shareholders and diluted adjusted earnings per share (EPS) attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

Our offerings include specialty engineered materials, performance fibers, advanced composites, and color and additive systems. Color, Additives and Inks (CAI) Specialty Engineered Materials (SEM) 1. HIGHLIGHTS from 2023: • Preserving key natural resources • Increasing healthcare regulations • Enabling connectivity & alternative energy • Increasing regulatory compliance • Specialty formulations, colorants and additives to meet medical device regulations • Specialty optical fibers for telecommunications • Advanced composite and fiber solutions for alternative energy infrastructure • Regulatory compliance expertise PRESERVE SUPPORTS SUSTAINABLE INFRASTRUCTURE Infrastructure Retrofit for Hydrogen Power Fiber-Line™ Engineered Fibers Healthcare Energy Consumer NON-PTFE FORMULATIONS Non-Fluorinated Polymers LubriOne™ Internally Lubricated Formulations UP TO BIO-BASED CARRIER Medical Devices Mevopur™ Bio-Based Polymer 75% Spin Dyed Textile Yarn Renol™ Spin Dying Colorants LESS WATER UP TO 40% BIO-DERIVED Pharmaceutical Tubing Versaflex™ HC BIO BT218 TPE ENABLE ALTERNATIVE ENERGY SOURCES Photovoltaic Wire & Cable ECCOH™ XL 8148 Cross-Linkable Solutions HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 44Sustainability Report | 2023 44 https://www.avient.com/news/avient-showcase-world-s-strongest-fiber-and-high-performance-engineered-fibers-techtextil-2024 https://www.avient.com/sites/default/files/2024-04/LubriOne%20Internally%20Lubricated%20Formulations%20PTFE%20Free%20Series%20Product%20Bulletin.pdf https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-colorants/fiber-colorants/renol-fiber-colorants https://www.avient.com/sites/default/files/2023-07/Versaflex%20HC%20_%20Versaflex%20HC%20BIO%20-%20BT%20Series%20Product%20Overview.pdf https://www.avient.com/idea/understanding-needs-and-challenges-photovoltaic-cable Product Stewardship Protecting associates, customers and the environment by providing safe products is a priority for Avient.

Custom products can be formulated with recycled PP and PE for improved recyclability, plus the portfolio includes halogen and non-halogen products. SMARTBATCH™ COLOR AND ADDITIVE CONCENTRATES are great UV weathering protection color concentrates for solar power stations. Smartbatch™ Color and Additive Concentrates offered unparalleled UV weathering protection color concentrates for their solar power stations.

WHY FIBER-LINE® FRP? Product ID FIBER-LINE® Coating Base Fiber Tensile Strength Load at 1% Elongation Absorption Capacity 2.3 mm FRP Swellcoat® Fiberglass ≥ 5115 N ≥ 2100 2.5 – 4.5 g/m .60 mm ARP N/A Kevlar® ≥ 340 N ≥ 165 N N/A 5.00 mm FRP N/A Fiberglass ≥ 24041 ≥ 9617 N/A .40 mm ARP N/A Kevlar® ≥ 210 N ≥ 95 N N/A .50 mm FRP Swellcoat® Fiberglass ≥ 300 N ≥ 130 ≤ 1.0 g/m POPULAR FRP ROD PRODUCTS LOCATIONS Headquarters, R&D, Manufacturing FIBER-LINE® LLC 3050 Campus Drive Hatfield, PA 19440 +1 215.997.9181 fiber@fiber-line.com Manufacturing Operations FIBER-LINE® LLC 280 Performance Drive SE Hickory, NC 28602 +1 828.326.8700 fiber@fiber-line.com EMEA & Asia Pacific Operations FIBER-LINE® INTERNATIONAL B.V. They also add important characteristics, such as SWELLCOAT® water-blocking, water repellence, adhe- sion, color, and wear and UV-resistance to these and many other applications.

Grades can be reinforced with glass, carbon, or aramid fibers to meet various application needs. Sync design with manufacturability: Learn how Avient Design Labs can help with your next project

TECHNICAL SERVICES Avient Long Fiber Technologies Application Development SUCCESS. When you work with Avient, you do. • Fiber reinforcement percentage (ranging from 20–70% fiber content, by weight) • Additive technologies (color, UV enhancement, flame retardancy, heat stabilization, etc.)

Coloring PCR brings further challenges. A NEW PCR COLORATION TOOL Avient has developed a digital tool to help assess the impact of colored, recycled resins (PCR) prior to laboratory trials. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Color Services Disclaimer: Avient will use this information to respond to your request. In addition we may use this information to communicate with you about products, services and events related to Avient in accordance with our Privacy Policy

Activity: Develop and manufacture silicone colorants, additives, and compounds Facility: Avient Corporation - Avon Lake, OH 33587 Walker Road Facility: Avient Corporation - Avon Lake, OH (SEM) 554 Moore Road Activity: Management of QMS. Wischodnia 6 Kutno 99-300 Poland Activity: Design and Manufacture of Color and Additive Concentrates and Activity: Design and Manufacture of Color and Additive Concentrates and Facility: Avient Corporation - Berea, OH 680 N. Ezcabarte calle H Nº3 Oricain, Navarra 31194 Facility: Avient Corporation - Tossiat, France 43 Place de la gare Tossiat 01250 France Activity: Design and Manufacture of Color and Additive Concentrates and Activity: Design and Manufacture of Color and Additive Concentrates and Page 7 of 7 Facility: Avient Corporation - Knowsley, United Kingdom Unity Grove Knowsley, Merseyside L349GT United Kingdom Facility: Avient Corporation - Alicante (Ibi - IQAP), Spain Guadalajara 6, Poligono Industrial L'Alfalç Ibi, Alicante 03440 Activity: Design and Manufacture of Liquid Colorants and Additives for Plastics, Assembly and Supply of Material Dosing Equipment Activity: Design, development and production of color concentrates and additives for plastic and synthetic fibers Facility: Avient Corporation - Vic (Barcelona), Spain Carretera de Vic a Olot,C-153, km 5 Masies de Roda, Barcelona 08500 Activity: Design, development and production of color concentrates and additives for plastic and synthetic fibers Facility: Avient Corporation - Melle, Germany Oldendorfer Straße 9 Thuringia 49342 Germany Facility: Avient Corporation - Gaggenau, Germany Adolf-Dambach-Str. 2 Gaggenau, Thuringia 76571 Germany Activity: Development and Manufacture of LSFOH (low smoke and fume, zero halogen) compounds Activity: Design and Manufacture of Specialty Engineered Thermoplastics

Available in natural and black grades, this Edgetek PKE GF series can be colored at the press. Some formulations are also available pre-colored. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.