CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION ANNUAL REPORT 2022 A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2022 Our Vision At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Prior to joining Avient, Ms. Committees: 1, 2 A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2022 Challenge Accepted.

ANNUAL REPORT 2021 CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2021 CORPORATE OFFICERS ROBERT M. We are Avient. AVIENT.COM A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2021

VICTORINOX S W I S S S O L D I E R ’ S K N I F E Transition from metal to polymer handle that would be more ergonomic and provide: • Scratch and chemical resistance • Impact resistance and durability • A grippy, soft-touch feel • Collaborated with the customer to fully understand and meet their design challenges and goals • Used design and material expertise to develop a customized two-material solution that met all key requirements • Enabled the customer to produce a new, innovative product appealing to its consumers Bergamid™ nylon copolymer overmolded with GLS™ TPE KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION ERGONOMICS + METAL REPLACEMENT LEARN MORE Copyright © 2020, Avient Corporation.

Microsoft PowerPoint - Avient Discontinued Operations Financial Information AVIENT CORPORATION R E C A S T F I N A N C I A L I N F O R M A T I O N T O R E F L E C T D I S T R I B U T I O N A S A D I S C O N T I N U E D O P E R A T I O N (NYSE: AVNT) S E P T E M B E R 2 7 , 2 0 2 2 TABLE OF CONTENTS Avient Corporation 2 Slide 3 - GAAP Income Statement Recast for Avient Distribution as a Discontinued Operation Reflects US GAAP (GAAP) Income Statements recast for Avient Distribution as a discontinued operation. Slide 5 - Segment Data Recast for Avient Distribution as a Discontinued Operation Reflects segment data recast for Avient Distribution as a discontinued operation. Certain corporate costs previously allocated to Avient Distribution will be retained by Avient and have been recast as costs in continuing operations.

Speed to market is essential today, and Avient plays a crucial role in our customers’ success. Distribution Avient PF ex. We are Avient.

AVIENT CORPORATION GOVERNANCE AND CORPORATE RESPONSIBILITY COMMITTEE CHARTER Membership • The Governance and Corporate Responsibility Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will consist entirely of directors who meet the definition of “independent” as set forth in the Corporate Governance Standards of the New York Stock Exchange. • Members of the Committee will be appointed by the Board each year following the annual meeting of shareholders. • Each Committee member will serve at the pleasure of the Board for such term as the Board may decide.

© 2020, All Right Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 LIGHTING MANUFACTURER H E A T S I N K F O R H I G H P O W E R L E D • PA based grade to replace aluminum • High thermal conductivity ̴ 15 W/mK • Electrically conductive • Easy moulding • Improved light output compared to alternative materials • Improved corrosion resistance and weight reduction • It gave the customer more design possibilities and a more cost effective solution Customized PA based grade KEY REQUIREMENTS WHY AVIENT? THERMAL + ELECTRICAL CONDUCTIVITY LEARN MORE AVIENT SOLUTION LEARN MORE © 2020, All Right Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.polyone.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma Lighting manufacturer

© 2019, All Right Reserved PolyOne Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 AUTOMOTIVE PARTS MANUFACTURER P L A T E H E A T E X C H A N G E R • High thermal conductivity • Very good flow rate for thin walls • Chemical resistance to glycol • Good aging for both chemical & temperature resistance • Improved thermal performance by eliminating the effects of corrosion • Reduced overall part weight • Provided greater design freedom meaning a more complex part could be designed and molded • Enabled several heat exchangers to be consolidated into one, saving space in the vehicle and increasing efficiency Therma-Tech™ Thermally Conductive Formulation KEY REQUIREMENTS WHY AVIENT? THERMAL CONDUCTIVITY AVIENT SOLUTION LEARN MORE Copyright © 2020, Avient Corporation.

At Avient, we’ve built a culture of winning and how we do so is unique, lasting and difficult to replicate. Speed to market is essential today, and Avient plays a crucial role in our customers’ success. We are Avient.

Speed to market is essential today, and Avient plays a crucial role in our customers’ success. Assess top 90% of supplier spend for alignment with Avient Sustainability objectives. We are Avient.