Linea di assistenza telefonica sull’etica: https://www.Avient.com/company/policies-and-governance/ethics-hotline Numero della linea di assistenza telefonica sull’etica: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Nord America Sede globale Avon Lake, Stati Uniti 33587 Walker Road Avon Lake, Ohio, Stati Uniti 44012 Numero verde: +1 866 765 9663 Telefono: +1 440 930 1000 Fax: +1 440 930 3064 Asia Pacifico Sede regionale Shanghai, Cina 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, Cina Telefono: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 America del Sud Sede regionale San Paolo, Brasile Av.

Etikai forródrót: https://www.Avient.com/company/policies-and-governance/ethics-hotline Az etikai forródrót telefonszáma: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Észak-Amerika Globális Központ Avon Lake, Egyesült Államok 33587 Walker Road Avon Lake, OH, Egyesült Államok 44012 Ingyenesen hívható telefonszám: +1 866 765 9663 Telefon: +1 440 930 1000 Fax: +440 930 3064 Ázsia és a Csendes-óceáni térség Regionális Központ Sanghaj, Kína 2F, Block C 200 Jinsu Road Pudong, 201206 Sanghaj, Kína Telefonszám: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Dél-Amerika Regionális központ São Paulo, Brazília Av.

Ethiekhotline: https://www.Avient.com/company/policies-and-governance/ethics-hotline Telefoonnummer ethiekhotline: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Noord-Amerika Wereldwijd hoofdkantoor Avon Lake, Verenigde Staten 33587 Walker Road Avon Lake, OH, Verenigde Staten 44012 Gratis: +1-866-765-9663 Telefoon: +1-440-930-1000 Fax: +440 930 3064 Azië-Pacific Regionaal hoofdkantoor Shanghai, China 2F, blok C 200 Jinsu Road Pudong, 201206 Shanghai, China Telefoon: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Zuid-Amerika Regionaal hoofdkantoor Sao Paulo, Brazilië Av.

Linha direta de ética: https://www.Avient.com/company/policies-and-governance/ethics-hotline Número de telefone da linha direta de ética: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline América do Norte Sede global Avon Lake, Estados Unidos 33587 Walker Road Avon Lake, OH, Estados Unidos 44012 Ligação gratuita: +1 (866) 765 9663 Telefone: +1 (440) 930 1000 Fax: +1 (440) 930 3064 Ásia-Pacífico Sede regional Xangai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Xangai, China Telefone: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 América do Sul Sede regional São Paulo, Brasil Av.

TABLE OF CONTENTS INTRODUCTION OUR CODE OF CONDUCT RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES CODE OF CONDUCT | 30 http://avient.ethicspoint.com http://avient.ethicspoint.com North America Global Headquarters Avon Lake, United States 33587 Walker Road Avon Lake, OH, United States 44012 Toll Free: +1 866 765 9663 Phone: +1 440 930 1000 Fax: +440 930 3064 Asia Pacific Regional Headquarters Shanghai, China 2F, Block C 200 Jinsu Road Pudong, 201206 Shanghai, China Telephone: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 South America Regional Headquarters Sao Paulo, Brazil Av.

TARTALOMJEGYZÉK BEVEZETÉS MAGATARTÁSI KÓDEXÜNK A TISZTELET MINDENKINEK JÁR BECSÜLETESSÉG A MUNKAHELYEN ÜZLETI FEDDHETETLENSÉG TÁRSADALMI FELELŐSSÉGVÁLLALÁS ERŐFORRÁSOK MAGATARTÁSI KÓDEXÜNK | 30 http://avient.ethicspoint.com http://avient.ethicspoint.com http://avient.ethicspoint.com Észak-Amerika Globális Központ Avon Lake, Egyesült Államok 33587 Walker Road Avon Lake, OH, Egyesült Államok 44012 Ingyenesen hívható telefonszám: +1 866 765 9663 Telefon: +1 440 930 1000 Fax: +1 440 930 3064 Ázsia és a Csendes-óceáni térség Regionális Központ Sanghaj, Kína 2F, Block C 200 Jinsu Road Pudong, 201206 Sanghaj, Kína Telefonszám: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Dél-Amerika Regionális központ São Paulo, Brazília Av.

Shanghai, China (c) 56. c) There are two manufacturing plants located in Shanghai, China. About Us—Revenue by Geography and End Market Page 14 HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 100 https://www.avient.com/sites/default/files/2022-03/Sustainability%20ESG%20Disclosures_Global%20Chemical%20Mgt%20Policy.pdf https://www.avient.com/sites/default/files/2023-03/Avient%20Annual%20Report%202022.pdf Recommended Disclosure Avient Disclosures Governance Describe the board’s oversight of climate-related risks and opportunities Message from the Governance and Corporate Responsibility Committee Page 4 Planet—Climate Change Page 59 Avient 2023 Proxy Statement Pages 47–49, 51 2022 CDP Climate Change Response—C1.1b Describe management’s role in assessing and managing climate-related risks and opportunities Message from Avient's VP of Sustainability Page 17 People—Management Approach EH&S Page 19 Planet—Climate Change Page 59 2022 CDP Climate Change Response—C1.2, C1.2a Strategy Describe the climate-related risks and opportunities the organization has identified over the short, medium, and long term 2022 CDP Climate Change Response—C2.1, C2.2C, C2.3a, C2.4a Describe the impact of climate-related risks and opportunities on the organization’s businesses, strategy, and financial planning 2022 CDP Climate Change Response—C2.5, C2.6 Describe the resilience of the organization’s strategy, taking into consideration different climate-related scenarios, including a 2°C or lower scenario 2022 CDP Climate Change Response—C3.1a, C3.1g Risk Management Describe the organization’s processes for identifying and assessing climate-related risks Planet—Climate Change Page 59 2022 CDP Climate Change Response—C2.2, C2.2a, C2.2b Describe the organization’s processes for managing climate-related risks Planet—Climate Change Page 59 2022 Climate Change Response—C2.2, C2.2d Describe how processes for identifying, assessing and managing climate-related risks are integrated into the organization’s overall risk management Planet—Climate Change Page 59 2022 CDP Climate Change Response—C2.2, C3.1c Metrics & Targets Disclose the metrics used by the organization to assess climate-related risks and opportunities in line with its strategy and risk management process Planet—Climate Change Page 59 2022 CDP Climate Change Response—C6.1, C6.2, C6.3, C6.5 Disclose Scope 1, Scope 2 and, if appropriate, Scope 3 greenhouse gas emissions and the related risks Metrics—People and Planet Data and Metrics Pages 84–85 Planet—Climate Change Page 59 2022 CDP Climate Change Response—C6.1, C6.2, C6.3, C6.5 Describe the targets used by the organization to manage climate-related risks and opportunities and performance against targets Metrics—People and Planet Data and Metrics Pages 84–85 2030 Sustainability Goals Page 7 2022 CDP Climate Change Response—C4 Task Force on Climate-related Financial Disclosures (TCFD) Index HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2022 101 https://www.avient.com/sites/default/files/2023-03/2023%20Avient%20Bookmarked%20Proxy%20Statement%20-%20FINAL.pdf https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report TCFD Climate Scenario Risks & Opportunities Matrix *For full disclosure of the results as aligned with TCFD guidance, refer to CDP Climate Change Report.

Climate change (4.5.1) Provision of monetary incentives related to this environmental issue Select from: ☑ Yes (4.5.2) % of total C-suite and board-level monetary incentives linked to the management of this environmental issue 10 (4.5.3) Please explain In 2023, 10% of the Company's annual incentive bonus for all employees were tied to specific sustainability targets aligned with our sustainability goals. 5.2.1) Transition plan Select from: ☑ No, but we have a climate transition plan with a different temperature alignment (5.2.2) Temperature alignment of transition plan Select from: ☑ Well-below 2°C aligned (5.2.3) Publicly available climate transition plan Select from: ☑ Yes (5.2.4) Plan explicitly commits to cease all spending on, and revenue generation from, activities that contribute to fossil fuel expansion Select from: 113 ☑ No, and we do not plan to add an explicit commitment within the next two years (5.2.6) Explain why your organization does not explicitly commit to cease all spending on and revenue generation from activities that contribute to fossil fuel expansion Avient is a leading provider of specialized and sustainable material solutions, committed to enabling sustainable solutions for the markets that we participate in. We additionally expanded our existing risk management practices to incorporate the analysis of short to long-term climate-related risks and opportunities under various climate scenarios. (5.2.12) Attach any relevant documents which detail your climate transition plan (optional) Energy & GHG Emissions _ Avient.pdf,Avient Climate Transition Plan_Summary_20240202.pdf 115 (5.2.13) Other environmental issues that your climate transition plan considers Select all that apply ☑ No other environmental issue considered (5.2.15) Primary reason for not having a climate transition plan that aligns with a 1.5°C world Select from: ☑ Not an immediate strategic priority (5.2.16) Explain why your organization does not have a climate transition plan that aligns with a 1.5°C world Beyond our stated 2030 GHG and renewable energy goals, we are dedicated to our operations being carbon neutral by 2050.

Đường dây nóng về Đạo đức: https://www.Avient.com/company/policies-and-governance/ethics-hotline Số điện thoại của Đường dây nóng về Đạo đức: 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Bắc Mỹ Trụ sở chính Avon Lake, Hoa Kỳ 33587 Walker Road Avon Lake, OH, Hoa Kỳ 44012 Số điện thoại miễn phí: +1 866 765 9663 Điện thoại: +1 440 930 1000 Fax: +1 440 930 3064 Châu Á Thái Bình Dương Trụ sở Khu vực Thượng Hải, Trung Quốc 2F, Block C 200 Đường Jinsu Phố Đông, 201206 Thượng Hải, Trung Quốc Điện thoại: +86 (0) 21 6028 4888 Fax: +86 (0) 21 6028 4999 Nam Mỹ Trụ sở Khu vực Sao Paulo, Brazil Av.

Ligne d’assistance en matière d’éthique : https://www.Avient.com/company/policies-and-governance/ethics-hotline Numéro de la ligne d’assistance en matière d’éthique : 1-877-228-5410 https://www.Avient.com/company/policies-and-governance/ethics-hotline Amérique du Nord Siège social mondial Avon Lake, États-Unis 33587 Walker Road Avon Lake, OH, États-Unis 44012 Sans frais : +1 866 765-9663 Téléphone : +1 440 930-1000 Télécopieur : +1 440 930-3064 Asie-Pacifique Siège social régional Shanghai, Chine 2F, Bloc C 200, Jinsu Road Pudong, 201206 Shanghai, Chine Téléphone : +86 (0) 21 6028 4888 Télécopieur : +86 (0) 21 6028 4999 Amérique du Sud Siège social régional Sao Paulo, Brésil Av.