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

For and on behalf of BSI: Chief Operating Officer Assurance - Americas Certification Date: 2018-05-10 Latest Issue: 2018-05-10 Expiry Date: 2021-05-09 BSI Certificate Number: 691920 IATF Number: 0303891 Page: 1 of 2 This certificate remains the property of BSI and shall be returned immediately upon request. IATF Contracted Office: BSI Assurance UK Limited, registered in England under number 7805321 at 389 Chiswick High Road, London W4 4AL, UK. IATF Contracted Office: BSI Assurance UK Limited, registered in England under number 7805321 at 389 Chiswick High Road, London W4 4AL, UK.

Before a Covered Employee or his or her Related Person engages in any transaction involving Company securities, or the securities of any other company that the Covered Employee knows about by virtue of his or her employment at the Company, a Covered Employee must first obtain approval for the proposed transaction from the Chief Financial Officer and General Counsel, or their designees. The Company may permit exceptions to this policy for individuals only upon prior authorization by any two of the following three officers of the Company: Chief Executive Officer, Chief Financial Officer, and General Counsel. 12. These guidelines include the requirement that plans only be entered into during a time other than during a blackout period and that they include a waiting period thereafter before the first trade pursuant to the trading plan, the length of which varies depending on whether or not you are a director or officer of the Company. 13.

KRISTEN GAJEWSKI Chief Human Resources Officer Kristen Gajewski is Senior Vice President, Chief Human Resources Officer at Avient Corporation, a premier provider of specialized and sustainable material solutions and services.

LESLIE SEQUEIRA Chief Information Officer Leslie Sequeira is Chief Information Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world.

KRISTEN GAJEWSKI Chief Human Resources Officer Kristen Gajewski is Senior Vice President, Chief Human Resources Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world.

Richardson, Executive Vice President, Chief Financial Officer Robert M. Patterson, Chairman, President and Chief Executive Officer Michael A. Garratt, Senior Vice President, Chief Commercial Officer Mark D.

For and on behalf of BSI: Carlos Pitanga, Chief Operating Officer Assurance – Americas Certification Date: 2018-07-11 Latest Issue: 2018-07-11 Expiry Date: 2021-07-10 BSI Certificate Number: 85585 IATF Number: 0315491 Page: 1 of 2 This certificate remains the property of BSI and shall be returned immediately upon request. IATF Contracted Office: BSI Assurance UK Limited, registered in England under number 7805321 at 389 Chiswick High Road, London W4 4AL, UK. IATF Contracted Office: BSI Assurance UK Limited, registered in England under number 7805321 at 389 Chiswick High Road, London W4 4AL, UK.

The Chamber of Commerce recommends that this document be viewed in digital form so that its integrity is safeguarded and the signature remains verifiable. 20 21 -0 4- 12 1 4: 06 :2 8 under number CHE-112.279.714 Sole shareholder since 20-10-2015 (registration date: 03-11-2015) Board members Name Borst, Rainer Erich Date of birth 10-10-1961 Date of entry into office 01-07-2020 (registration date: 06-07-2020) Title Director Powers Solely/independently authorised Name Kamalak, Ihsan Date of birth 21-08-1985 Date of entry into office 01-07-2020 (registration date: 06-07-2020) Title Director Powers Solely/independently authorised Name Merklein, Norbert Date of birth 03-05-1964 Date of entry into office 05-03-2021 (registration date: 30-03-2021) Powers Solely/independently authorised Extract was made on 12-04-2021 at 14.06 hours.

AMY EVINS Interim Chief Information Officer Amy Evins is Interim Chief Information Officer at Avient Corporation, a premier provider of specialized and sustainable material solutions and services.