KHANDPUR President and Chief Executive Officer Dr. Khandpur is President and Chief Executive Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles.

KHANDPUR President and Chief Executive Officer Dr. Khandpur is President and Chief Executive Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles.

SVP, Chief Technology Officer Dr. Phil Clark is Senior Vice President, Chief Technology Officer, for Avient Corporation, the world’s premier provider of specialized and sustainable material solutions and services. Clark joined Avient in 2024 from Nouryon, a global specialty chemicals organization where he served as Chief Technology Officer.

KHANDPUR President and Chief Executive Officer Dr. Khandpur is President and Chief Executive Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Khandpur held a series of roles with increasing responsibility, including Executive Vice President, Transportation & Electronics business group, from 2019 to 2021; Executive Vice President, Electronics & Energy business group, from 2017 to 2019; and Senior Vice President, Research & Development and Chief Technology Officer, from 2014 to 2017, among other roles.

Originat Cycte Start Date: Expiry Date of Previous Cycle: Certification/Recertification Audit Date: Certification/Recertification Cycte Start Date: Subject to the continued satisfactory operation of the organization's Management System, this certificate expires on: Certificate No: N1027324 I Version: 1 02 December 2003 14 Septembe r 2O24 16 February 2024 06 March 2024 18 March 2027 Revision date: 06 March 2024 Ow^ An\qgKerbusch - Director Certification Benelux Managing Office: Bureau Veritas lnspection and Certification The Netherlands B.V. - Ptotterweg 38, 3821 BB nmersfoort lssuing Office: Bureau Veritas lnspection and Certification The Nethertands B.V. - Plotterweg 38, 3821 BB Amersfoort Further clarifications regarding the scope of this certificate and the appticabitity of the management system requirements may be obtained by consutting the organization. Standard ISO 900 1:2015 Scope of suppty Version: 1 Revision date: 06 March 2024 Kerbusch - Director Certification Benelux Managing office: Bureau veritas lnspecLion and certification The Nethertan

This Policy applies to Avient and its subsidiaries, including all officers, employees, agents and other third parties acting on Avient’s behalf . For purposes of Anti-Bribery Laws, government officials include: • Officers and employees of a government (federal, state, local), department or agency • Any person acting in an official capacity for or on behalf of any government, department or agency • Political parties, political party officials, and candidates for public office • Officers and employees of government/state- owned or government/state-controlled commercial enterprises, including partially owned entities • Officers and employees of public international organizations, such as the United Nations Identifying a government official can often be obvious, but not always. Under these circumstances, contact the Corporate Ethics Officer (ethics.officer@avient.com) or General Counsel (legal.officer@avient.com) immediately.

LTD. (201916958N) (ACRA) Registered Office Address 8 THIRD CHIN BEE ROAD SINGAPORE (618684) : Date of Address 01/06/2020: Date of Last AGM : Date of Last AR : 16/09/2020 FYE As At Date of Last AR : 31/12/2019 Audit Firms NAME PRICEWATERHOUSECOOPERS LLP Amount Secured Chargee(s) Charges CurrencyCharge No. LTD. (201916958N) (ACRA) Source of Address ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Address Date of Appointment Secretary46 EASTWOOD ROAD #04-06 LAGUNA 88 SINGAPORE (486356) Shareholder(s) Name Address ID Nationality/Citizenship Place of incorporation/ Origin/Registration Source of Address Address Changed AVIENT SWITZERLAND GMBH T16UF0762F SWITZERLAND ACRA1 ROTHAUSSTRASSE 61 4132 MUTTENZ, SWITZERLAND Ordinary(Number) Currency 3000000 SINGAPORE, DOLLARS Abbreviation UL - Local Entity not registered with ACRA UF - Foreign Entity not registered with ACRA AR - Annual Return AGM - Annual General Meeting FS - Financial Statements OSCARS - One Stop Change of Address Reporting Service by Immigration & Checkpoint Authority. The list of officers for this entity is available for online authentication within 30 days from the date of purchase of this Business Profile.

Our Named Executive Officers for 2016 were: Name Title Robert M. No Named Executive Officer exercised SARs during 2016. Annual Plan All of our Named Executive Officers, except Mr.

LTD. (199006136Z) (ACRA) Number Of Shares Currency COMPANY HAS THE FOLLOWING ORDINARY SHARES HELD AS TREASURY SHARES Registered Office Address 3 INTERNATIONAL BUSINESS PARK #04-14/15 NORDIC EUROPEAN CENTRE SINGAPORE (609927) : Date of Address 16/08/2020: Date of Last AGM : 29/08/2020 Date of Last AR : 26/10/2020 FYE As At Date of Last AR : 31/12/2019 Audit Firms NAME ERNST & YOUNG LLP Amount Secured Chargee(s) Charges CurrencyCharge No. Date Registered Source of Address ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Address Date of Appointment XU TAO EB6238077 CHINESE 30/06/2021ACRA DirectorROOM 102, BUILDING 20, SUB LANE 7, LANE 888, LUOJIN ROAD SHANGHAI, 201104, CHINA CHAN BAI RONG S8534833G SINGAPORE CITIZEN 30/06/2021ACRA Director10A BENDEMEER ROAD #26-103 BENDEMEER LIGHT SINGAPORE (331010) LEE SAY ENG A52290094 MALAYSIAN 30/06/2021ACRA Page 2 of 4 Authentication No. : E21642955A Date: 02/08/2021 ACCOUNTING AND CORPORATE REGULATORY AUTHORITY WHILST EVERY ENDEAVOR IS MADE TO ENSURE THAT INFORMATION PROVIDED IS UPDATED AND CORRECT. The list of officers for this entity is available for online authentication within 30 days from the date of purchase of this Business Profile.

Finnish Patent and Registration Office Trade Register FI-00091 PRH, FINLAND tel. +358 (0)29 509 5000 registry@prh.fi Page: 1 (2) Business ID: 2046676-4 Date and time of creating the document: 01.12.2020 08:37:55 TRANSLATION OF THE EXTRACT FROM THE TRADE REGISTER, ELECTRONIC 01.12.2020 08:37:54 the details in the register Identifiers Name Avient Finland Oy Business ID 2046676-4 Entered in the register 31.03.2007 Company type Limited company Contact details: Postal address Äyritie 8 E 01510 Vantaa Street address Äyritie 8 E 01510 Vantaa Email tina.ahlquist@clariant.com Telephone 0106808500 Fax 0106808509 Name details Name Avient Finland Oy Auxiliary company name Drycolor Registered office Vantaa Share capital Share capital 169.000,00 € Number of shares 1 000 pcs Nominal value of a share 169,00 € Financial period Financial period 01.01 - 31.12 Financial statements The last financial statements submitted 01.01.2019 - 31.12.2019 Representation Page: 2 (2) Business ID: 2046676-4 Statutory representation: Under the law, the Board of Directors represents the company. Representation based on position: By the Chair of the Board and the Managing Director, each on their own, and by any two Board members jointly Persons role surname, first name(s) / company name date of birth / identity code citizenship Chair of the Board of Directors Merklein, Norbert 03.05.1964 Citizen of Germany Member of the Board of Directors Norén, Jenny Eva Kristina 18.06.1975 Citizen of Sweden Member of the Board of Directors Smeds, Jan-Håkan 22.03.1961 Citizen of Finland Member of the Board of Directors Vetter, Alexander Helmut 04.07.1968 Citizen of Germany Managing Director Norén, Jenny Eva Kristina 18.06.1975 Citizen of Sweden Auditor PricewaterhouseCoopers Oy 0486406-8 Auditor with principal responsibility Grönroos, Maria Alice 19.02.1967 Citizen of Finland Additional information No details about beneficial owners have been registered for the company Name history Avient Finland Oy 01.12.2020 - Clariant Plastics & Coatings (Finland) Oy 04.01.2016 - 01.12.2020 Clariant Masterbatches (Finland) Oy 31.03.2007 - 04.01.2016 Source of information: Finnish Patent and Registration Office