+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

ELECTION OF BOARD OF DIRECTORS 6 PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS Our Board currently consists of 11 Directors. Fearon Age: 60 Director Since: 2004 Lead Director of our Board since May 14, 2015. Lead Director Our independent Directors meet regularly in executive sessions.

Newlin, 61, who will retire as president and CEO and remain executive chairman of the PolyOne Board of Directors. Speaking on behalf of PolyOne’s Board of Directors, Gordon Harnett, lead director, said, “PolyOne was transformed and now consistently delivers truly exceptional returns to customers and shareholders, thanks to Steve’s vision and leadership. Rose Director, Corporate Communications PolyOne Corporation +1 440.930.3162 kyle.rose@avient.com

OUR DIRECTOR NOMINEES AND COMMITTEE MEMBERSHIP You are being asked to vote on the election of twelve Director nominees. All Directors stand for election annually PROXY SUMMARY PROXY STATEMENT 2024 | Annual Meeting of Shareholders 15 PROPOSAL 1 — ELECTION OF TWELVE DIRECTOR NOMINEES TO OUR BOARD OF DIRECTORS Our Board currently consists of 12 Directors.

Composition of the Board, director responsibilities, access to management and independent advisors, director compensation, and director orientation and continuing education

Composition of the Board, director responsibilities, access to management and independent advisors, director compensation, and director orientation and continuing education

Johnson previously served as director of strategic tax planning, leader of the Intellectual Property Program, and director of transfer pricing at Illinois Tool Works Inc., a Fortune 200 global diversified, industrial manufacturer.

Gajewski joined Avient in July 2013 from AkzoNobel/PPG and has since taken on multiple roles with increasing responsibility within the Human Resources function, including HR Director for Avient’s Color, Additives & Inks business segment, and an international assignment with responsibility for the EMEA and India regions. Gajewski led Avient’s learning and organizational development programs, talent management and acquisition, as well as working as the HR Director for all global Corporate Functions.

Gajewski joined Avient in July 2013 from AkzoNobel/PPG and has since taken on multiple roles with increasing responsibility within the Human Resources function, including HR Director for Avient’s Color, Additives & Inks business segment, and an international assignment with responsibility for the EMEA and India regions. Gajewski led Avient’s learning and organizational development programs, talent management and acquisition, as well as working as the HR Director for all global Corporate Functions.

The Committee shall consist of a minimum of three directors. Non-employee Director Compensation Non-employee Director Compensation.