CC_Score_Report_2021 ACTIVITY GROUP PERFORMANCE Trading, wholesale, distribution, rental & leasing Your company is amongst 49% of companies that reached Management level in your Activity Group A sample of A-list companies from your Activity Group: Grupo Logista Hyundai Glovis Co Ltd Avient received a B which is in the Management band. Leadership (A/A-): Implementing current best practices Management (B/B-): Taking coordinated action on climate issues Awareness (C/C-): Knowledge of impacts on, and of, climate issues Disclosure (D/D-): Transparent about climate issues UNDERSTANDING YOUR SCORE REPORT Avient Region North America Country United States of America Questionnaire Chemicals Activity Group Trading, wholesale, distribution, rental & leasing The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels.

THE SOLUTION After extensive research, Gordon found the material that met his requirements: Avient’s Polystrand™ unidirectional thermoplastic tape. Working with Avient, Gordon and Jeff developed the patent-pending FlexSpring™ insole using a tri-ply unidirectional fiberglass laminate, combined with neoprene foam sheet material, and die-cut to shape. © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about how Polystrand continuous fiber reinforced composites can benefit your product, call +1.844.4AVIENT or visit www.avient.com/composites

Avient Colorants USA LLC 17 Foss Rd. Lewiston, ME, 04240 United States of America Scope Avient CAI Design and manufacture of colour and additive concentrates and specialty compounds for the Healthcare and Medical device market.

GARAGE DOOR OEM G A R A G E D O O R P A N E L S • Replace incumbent material with structural composite panel meeting UV and thermal requirements • Lightweight & impact resistant • Ability to withstand weather conditions • Simplify the manufacturing process • Custom-formulated panels with UV stable laminates and core that met thermal requirements • Provided panels with high durability, impact resistance, and weatherability • Improved the efficiency of the manufacturing process for OEM with panels cut-to-size in-house Polystrand™ Thermoplastic Composite Panels KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION DURABILITY & CUSTOMIZATION LEARN MORE https://www.avient.com/products/advanced-composites/continuous-fiber-composite-panels/polystrand-thermoplastic-composite-panels

Swanson Director, Investor Relations Phone: 440-930-1018 Email: eric.swanson@polyone.com AUDITORS Ernst & Young LLP 950 Main Ave., Suite 1800 Cleveland, OH 44113 INTERNET ACCESS Information on PolyOne’s products and services, news releases, corporate governance, EDGAR filings, Reports on Forms 10-K and 10-Q, etc. as well as an electronic version of this annual report, are available on the Internet at www.polyone.com.

DeLuca Vice President, Planning and Investor Relations Phone: 440-930-1226 Fax: 440-930-1446 Email: isaac.deluca@polyone.com AUDITORS Ernst & Young LLP 925 Euclid Avenue, Suite 1300 Cleveland, Ohio 44115-1476 INTERNET ACCESS Information on PolyOne’s products and services, news releases, corporate governance, EDGAR filings, Forms 10-K and 10-Q, etc. as well as an electronic version of this annual report, are available on the Internet at www.polyone.com.

Swanson Director, Investor Relations Phone: 440-930-1018 Email: eric.swanson@polyone.com AUDITORS Ernst & Young LLP 950 Main Ave., Suite 1800 Cleveland, OH 44113 INTERNET ACCESS Information on PolyOne’s products and services, news releases, corporate governance, EDGAR filings, Reports on Forms 10-K and 10-Q, etc. as well as an electronic version of this annual report, are available on the Internet at www.polyone.com.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using 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. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Inspect thermocouple 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using 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. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.