We are positioned to capture enhanced market share over expanding and emerging needs that will also enable climate resiliency High revenue growth opportunities to meet demand for highly efficient chemical materials that will contribute to lowering customers' emissions as part of our Sustainable Solutions label High to moderate revenue growth opportunities for new chemical materials pertinent to Avient's customers' strategies (low-carbon and otherwise) and are in compliance with any existing regulations (i.e., VOC reducing materials that address vehicle air quality standards) Impact Legend Time horizon Legend Low impact S - short-term 0-5 years Moderate impact M - medium-term 5-15 years High impact L - long-term 15-30 years BUSINESS IMPLICATIONS AND STRATEGIC RESPONSES BUSINESS IMPLICATIONS AND STRATEGIC RESPONSES IMPACT DRIVER & Policy & Legal Risk Technology Risk Market Risk Reputation Risk Acute & Chronic Risk IMPACT DRIVER & Resource Efficiency Opportunity Energy Source Opportunity Products & Services and Markets Opportunities · We have embedded an energy intensity KPI (covering process and builidng efficiencies) into the incentive structure for all employees We are developing a Supplier Sustainability Program designed to address quality, cost and reliability requirements, and a range of sustainability, social responsibility and environmental considerations. . Physical climate-related risk assessments over our critical manufacturing sites, suppliers, and logistics route will be helpful in making corporate real estate and procurement choices.

Certificate Avient Corporation This is to certify that the Environmental Management System of: Avon Lake Corporate 33587 Walker Road Avon Lake OH 44012 United States (WITH ADDITIONAL FACILITIES LISTED ON ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: The Environmental Management System is applicable to: Responsible Care Corporate Support Activities in Sr. Leadership, EHS&S-PS, Facility Services, Design & Development, Information Technology, Sourcing, Logistics, Legal, and Human Resources 33587 Walker Road Avon Lake OH 44012 United States Avient Corporation HQ Responsible Care Corporate Support Activities in Sr. Jorge Bei Maluf, 2.165, Vila Theodoro Suzano SP 08686-000 Brazil Avient Corporation - Suzhou, China Design and Manufacture of Engineering Plastics and Plastic Alloys 77 Shenggang Street , 215024 Suzhou, Avient Corporation Design and Manufacture of Colorants and Additives for Plastics Gatot Subroto KM. 4 Jalan Kalisabi No. 1 Building 37 Tangerang Banten 15138 Indonesia Avient Corporation Design and Manufacture of Colorants and Additives for Plastics No. 30 Hsing Pang Road Tao Yuan -- - 330457 Taiwan Avient Corporation Design and Manufacture of Colorants and Additives for Plastics AV.

BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF AMENDMENT OF “CLARIANT PLASTICS & COATINGS USA LLC”, CHANGING ITS NAME FROM "CLARIANT PLASTICS & COATINGS USA LLC" TO "AVIENT COLORANTS USA LLC", FILED IN THIS OFFICE ON THE ELEVENTH DAY OF JANUARY, A.D. 2021, AT 10:39 O`CLOCK A.M.

TERMS AND CONDITIONS These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). 1. Department of the Treasury’s Office of Foreign Assets Control, Customs and Excise Act 91 of 1964; the Promotion to Administrative Justice Act 3 of 2000; the Promotion to Access to Information Act 2 of 2000 and the International Trade Administration Act 71 of 2002 ("Trade Control Laws"). Personal Information' means information relating to any person, including but not limited to: (i) information relating to the race, gender, sex, pregnancy, marital status, national, ethnic or social origin, colour, sexual orientation, age, physical or mental health, well-being, disability, religion, conscience, belief, culture, language and birth of the person; (ii) information relating to the education or the medical, financial, criminal or employment history of the person; (iii) information relating to the financial affairs of the person; (iv) credit card details and transactional data; (v) any identifying number, symbol, e-mail address, physical address, telephone number or other particular assignment to the person; (vi) biometric information about a person; (v) personal opinions, views and preferences of a person; (vii) correspondence sent by the person that is implicitly or explicitly of a private or confidential nature or further correspondence that would reveal the contents of the original correspondence; (viii) the views or opinions of another individual about the person; (ix) the name of the person if it appears with other personal information relating to the person or if the disclosure of the name itself would reveal information about the person; and (x) any other information which may be treated or defined as "personal information" in terms of any applicable laws, including Data Protection Legislation.

THE SOLUTION The Avient technical team leveraged expertise in liquid formulations with the science of dispersion to develop Excelite™ IM, a CFA solution that targeted automotive injection molding applications and would help address the issues of this tier-1 molder. Excelite IM Chemical Foaming Additives: • The only patented liquid CFA in North America and Europe • Supported with customized dosing equipment and technical assistance • Typically contains 70% active CFA content, dispersed in proprietary liquid vehicles LIQUID CFAs PROVIDE A TOP TIER-1 MOLDER WITH A CONSISTENT SOLUTION © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 Interested in learning about how Avient can help your business?

SOLVING PRODUCTION BOTTLENECKS WITH A CUSTOMIZED ADDITIVE FORMULATION © 2020, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about WithStand Antimicrobials, contact Avient at +1.844.4AVIENT (1.844.428.4368) THE CHALLENGE A well-known manufacturer of private label toothbrushes and dental care products for national drug store chains was experiencing several production problems in its molding operations. THE SOLUTION Seeking a way to address these challenges, the manufacturer consulted Avient.

To help address these challenges, Avient teamed up with a leading technology development company. SOURCE: Repurposing gas infrastructure for hydrogen | 2020 Siemens Energy Global (siemens-energy.com) © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.fiber-line.com/en/ https://www.siemens-energy.com/global/en/news/magazine/2020/repurposing-natural-gas-infrastructure-for-hydrogen.html https://www.siemens-energy.com/global/en/news/magazine/2020/repurposing-natural-gas-infrastructure-for-hydrogen.html

Business Number: 898451794 Mailing Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Facility Name: Orangeville Compound NAICS Code: 326198 NPRI ID: 4358 Physical Address: Address Line 1: 17 Tideman Drive City, Province/Territory, Postal Code: Orangeville Ontario L9W3K3 Country: Canada Latitude: 43.91230 Longitude: ­80.11300 Number or Permit Number: ON9820023 Ontario MOE ­ Hazardous Waste Generator Number Number or Permit Number: 0778­6DZLMV Certificate of Approval Air Number or Permit Number: 5626­5DFQF2 Certificate of Approval Industrial Sewage Works Contact Type Technical Contact, Company Coordinator Name: Brian Greer about:/V003/Html http://www.canada.gc.ca/home.html http://www.servicecanada.gc.ca/eng/home.shtml http://www.canada.gc.ca/aboutgov-ausujetgouv/depts/menu-eng.html https://ec.ss.ec.gc.ca/auth/en/Services about:/V003/Logout_Deconnexion http://ec.gc.ca/default.asp?

Certificate of Approval Certificate n°: FR079697-1 Contract n°: 15701960 Revision date: 22 February 2023 Laurent CROGUENNEC - President Local office: Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Further clarifications regarding the scope of this certificate the applicability of the management system requirements may be obtained by consulting the organization.

POLYONE FRANCE TOSSIAT 43, PLACE DE LA GARE 01250 TOSSIAT FRANCE Bureau Veritas Certification France certify that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standard detailed below: Standard ISO 14001:2015 Scope of certification THE DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES FOR THERMOPLASTICS Certification/Recertification Cycle Start Date: 03 May 2023 Subject to the continued satisfactory operation of the organization’s Management System, this certificate expires on: 02 May 2026 Expiry date of previous cycle: NA Certification/Recertification Audit date: 08 March 2023 Original Cycle Start Date: 15 July 2011 Certificate n°: FR081968-1 File n°:15608678 Revision date:24 April 2023 Laurent CROGUENNEC - President Local Office: Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Further clarifications regarding the scope of this certificate the applicability of the management system requirements may be obtained by consulting the organization.