Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Avient pro forma reflects 2022 estimated EBITDA of $660M and revenue of $3,740M.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Avient reflects 2023 adjusted EBITDA guidance of $530M and estimated run-rate CAPEX of $110M. Avient Specialty Other Specialty / 2023E(%) 28 79 87 81 79 76 73 90 77 76 75 73 64 59 33 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

Animal Testing Policy AVIENT CORPORATION AND SUBSIDIARIES In the normal course of doing business, Avient is required to conduct testing to ensure the safety of its products. Reduce – Avient will only consider animal testing if it is a legal requirement, or to ensure the safety of our products, when no suitable alternatives are available. In these cases, Avient commits to minimize the number of animals as much as possible

Kronimus joined Avient in March 1999, and in addition to leading the company’s engineered materials business in Europe and India, also serves as Avient’s legal representative in the region, responsible for building and maintaining relationships with local governments and associations. In previous roles at Avient, Mr. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Moh also served as Vice President of Asia, where he strengthened a One Avient approach internally and externally with customers, regional leaders and associations, as Avient has invested for growth in Asia. He is based in Avient’s world headquarters located outside Cleveland, Ohio. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Avient material scientists found the perfect combination with a custom rigid nylon formulation for the handle paired with a soft GLS™ thermoplastic elastomer (TPE) in the grip areas. Avient provided product development assistance and testing, and ultimately delivered customized materials that met strict requirements for durability. To learn more, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com.

El Conservador de Bienes Raíces que suscribe certifica que el documento adjunto, correspondiente a Modificación de "AVIENT CHILE SpA", fue inscrito con fecha 3 de junio de 2021 a fojas 43159 número 19977 del Registro de Comercio de Santiago correspondiente al año 2021. Certificación de Inscripción Registro de Comercio de Santiago Carátula: 17728662 Morandé 440 Santiago Teléfono: 2 2390 0800 www.conservador.cl info@conservador.cl AVIENT CHILE SpA Cód. de verificación: cec_1c0abd-0 Documento incorpora firma electrónica avanzada conforme a Ley N°19.799. www.conservador.cl EXTRACTO EDUARDO DIEZ MORELLO, Abogado, Notario Público, Titular de la 34ª Notaría de Santiago, con oficio en Luis Thayer Ojeda N° 359, comuna de Providencia, certifico: Que por escritura pública de fecha 31 de mayo de 2021, bajo el repertorio N° 8.412-2021, ante mí: En junta extraordinaria de accionistas de PERFORMANCE MASTERBATCHES (CHILE) SpA, inscrita a fojas 51.369 N° 25.460 del Registro de Comercio del Conservador de Bienes Raíces de Santiago correspondiente al año 2019 (la “Sociedad”), celebrada con fecha 28 de abril de 2021, Avient Switzerland GmbH, en su calidad de único accionista de la Sociedad, modificó el nombre o razón social de la Sociedad por “Avient Chile SpA”, reemplazando el artículo Primero de los estatutos por el siguiente: “ARTICULO PRIMERO: Se constituye una sociedad por acciones con el nombre de “AVIENT CHILE SpA”.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. F X ) -10% -11% -3% -12% 15 Avient ex. Avient Specialty Other Specialty / 2023E(%) 37 79 89 83 81 76 73 90 82 77 76 74 70 58 22 MULTIPLE EXPANSION Avient Specialty Other Specialty / Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $36.50.

FINGERPRINT DETECTOR H O U S I N G • Metallic effect • In-mold labeling replacement • Overmold on PC • Chemical resistance • Achieved metallic effects without secondary step of painting • Customized colors to achieve desired aesthetics of the design • Improved cost-effectiveness • Provided live technical support from concept to production Artisan™ AR7300-8001 M Silver Formulation KEY REQUIRMENTS WHY AVIENT ? AVIENT SOLUTION PAINT FREE + OVERMOLDING ON PC LEARN MORE Copyright © 2020, Avient Corporation.

Mulch films case study BIODEGRADABLE & COMPOSTABLE M U L C H F I L M S • Compliance with European Standard EN17033 or OK Compost • Black and white color standards available under different TÜV Austria certifications (OK Compost and more) • Full support for end-product certification for both EN13432 and EN17033 • Formulated with pigments tested and approved by certified body OnColor™ Bio-Colorants KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION SUSTAINABILITY LEARN MORE Copyright © 2020, Avient Corporation.