ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Water Street North Baltimore, OH 45872 U.S.A.

This is higher than the North America regional average of D, and higher than the Trading, wholesale, distribution, rental & leasing sector average of C. 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 PolyOne Region North America Country United States of America Questionnaire General 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. CDP SCORE REPORT - CLIMATE CHANGE 2020 Your CDP score Average performance B C D C Trading, wholesale, distribution, rental & leasing North America Global Average CDP SCORE REPORT - CLIMATE CHANGE 2020 CATEGORY SCORES If a company scored C or below, they will not have been scored for management or leadership points (the dark purple line represents this).

This is higher than the North America regional average of C, and higher than the Chemicals sector average of B. 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 ACTIVITY GROUP PERFORMANCE Chemicals A- Your CDP score Average performance B C C Chemicals North America Global Average *Please note that the peer group average scores are compiled with only investor- requested company scores Avient Region North America Country/Area United States of America Questionnaire Chemicals Activity Group Chemicals The CDP Score Report allows companies to understand their score and indicate which categories require attention to reach higher scoring levels.

This is higher than the North America regional average of C, and higher than the Trading, wholesale, distribution, rental & leasing sector average of C. 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. CDP SCORE REPORT - CLIMATE CHANGE 2021 Your CDP score Average performance B C C B- Trading, wholesale, distribution, rental & leasing North America Global Average CDP SCORE REPORT - CLIMATE CHANGE 2021 CATEGORY SCORES If a company scored C or below, they will not have been scored for management or leadership points (the dark purple line represents this).

This is higher than the North America regional average of C, and higher than the Trading, wholesale, distribution, rental & leasing sector average of C. 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. CDP SCORE REPORT - CLIMATE CHANGE 2021 Your CDP score Average performance B C C B- Trading, wholesale, distribution, rental & leasing North America Global Average CDP SCORE REPORT - CLIMATE CHANGE 2021 CATEGORY SCORES If a company scored C or below, they will not have been scored for management or leadership points (the dark purple line represents this).

Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - North Baltimore, OH 733 E. Water Street North Baltimore, OH 45872 U.S.A. Dominic Townsend, President Effective Date: 22 March 2024 Expiration Date: 28 February 2025 Revision Date: 22 March 2024 Avient Corporation - Norwalk, OH 80 North West Street Norwalk, OH 44857 U.S.A.

MEXICO CITY – November 7, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, is showcasing its sustainable portfolio of polymer colorants and additives, specialty engineered materials, and services at Plastimagen, the largest plastics exhibition in Latin America, beginning today.   Avient is highlighting various polymer solutions and services that support sustainability objectives from conception to commercialization for customers in Latin America. Avient is exhibiting at Plastimagen in Mexico City, Mexico, in booth 2114 from Tuesday, November 7 – Friday, November 10, 2023.

PolyOne Showcases a Full Spectrum of Colorants and Additives Fused with Local Service in South America PolyOne Features Polymer Solutions and Services Designed Specifically for Mexico and Central America at Plastimagen MEXICO CITY – March 29, 2019 – At the 2019 Plastimagen tradeshow next week, PolyOne is showcasing its range of polymer and colorant solutions and

lang=En&n=FD9B0E51-1 https://ec.ss.ec.gc.ca/auth/en/Services about:/ about:/ about:/ City * Orangeville Province/Territory ** Ontario Postal Code: ** L9W3K3 Physical Address Address Line 1 17 Tideman Drive City Orangeville Province/Territory ** Ontario Postal Code ** L9W3K3 Additional Information   Land Survey Description   National Topographical Description   Parent Companies Empty Facility Validation The information in this section was copied from the Single Window Information Manager (SWIM) at the time the plan summary was created.  Facility Information Facility Name: * Orangeville Plasticizer NAICS Code: * 326198 NPRI Id: * 2277 ON Reg 127/01 Id   Facility Mailing Address Delivery Mode General Delivery PO Box   Rural Route Number   Address Line 1 15 ­ Tideman Drive City * Orangeville Province/Territory ** Ontario Postal Code: ** L9W3K3 Physical Address Address Line 1 15 Tideman Drive City Orangeville Province/Territory ** Ontario Postal Code ** L9W3K3 Additional Information   Land Survey Description   National Topographical Description   NPRI Facility Location Latitude (decimal degrees) * 43.91330 Longitude (decimal degrees) * ­80.11580 UTM Zone   UTM Easting   UTM Northing   Contact Validation The information in this section was copied from the Single Window Information Manager (SWIM) at the time the plan summary was created. 

Avient Showcases Sustainable Polymers, Colorants and Services for Mexico and Latin America at Plastimagen Caption: Explore the possibilities for polymers, colorants, additives, and services with Avient at Plastimagen 2022 in Mexico City.