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).

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).

APPLICATIONS • Medical devices • Drug delivery devices • Labware KEY CHARACTERISTICS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number level, reducing risk of change REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* * FDA/EU compliance information available upon request Copyright © 2023, Avient Corporation.

MARKETS AND APPLICATIONS ColorMatrix Optica is formulated for PC resins used in the production of: • Automotive interiors • Appliance housings • Consumer goods • Food packaging • Finished materials such as PC sheet • Electrical & Electronics REGULATORY • No heavy metals or restricted ingredients • In-house chemical testing and verification system compliant with ISO ISO/IEC 17025:2005 • Dedicated product stewardship team globally and locally

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.

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 fourth-generation, family owned and operated company is a global leader in designing and manufacturing innovative prosthetic products that help amputees lead more comfortable, active lives.

October 2018) Department of the Treasury Internal Revenue Service Request for Taxpayer Identification Number and Certification Go to www.irs.gov/FormW9 for instructions and the latest information. I am not subject to backup withholding because: (a) I am exempt from backup withholding, or (b) I have not been notified by the Internal Revenue Service (IRS) that I am subject to backup withholding as a result of a failure to report all interest or dividends, or (c) the IRS has notified me that I am no longer subject to backup withholding; and 3.

COLOR, MATERIAL & FINISH DESIGN SERVICE FIVE WAYS TO BRING CLARITY TO COLOR, MATERIAL & FINISH SELECTION D E M Y S T I F Y I N G C M F FINDING THE RIGHT BALANCE BETWEEN LOOK, FEEL AND FUNCTION IS IMPORTANT BUT CHALLENGING NEARLY 90% OF ALL PURCHASE DECISIONS ARE MADE SUBCONSCIOUSLY. If it looks great, but can’t be manufactured or costs too much, development dies on the vine. 5 COMMON OBSTACLES BRANDS FACE WITH EVERY CMF CHOICE D E S I G NC H A LLEN G ES DESIGN MOTIVATES D E S I G N I L LU M I N AT E S COMPARATIVE STUDIES HOW WE CAN HELP OUR PR OCESS LEADS TO EDUCATED DESIGN CHOICES TRENDS & INSIGHTS OPERATIONS SUPPORT DESIGN SERVICES POLYMER INNOVATIONS Avient Design works with you to find inspiration specific to your product and your needs.

APPLIANCE MAKER F O O D H A N D L I N G & C O O K I N G C O M P O N E N T S • Minimize yellow / amber color tone of PEI and PES that detracts from the perception of quality for cooking and food service appliances • Maintain inherent heat and steam resistance of PEI and PES • Food contact compatibility • Colorants counteracted yellow tones without sacrificing heat and steam resistance • Achieved a more intense blue-gray shade that reinforces appliance quality and cleanliness and improves perception of the food Colorant Chromaticsä Precolor and Masterbatch Formulations KEY REQUIREMENTS WHY AVIENT?