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Electrically non-conductive Overview: Avient Advanced Composites A guide to Avient’s ballistic panel solutions, their properties, and applications

Trilliant™ HC Healthcare Thermoplastics: customizable polymer formulations offering excellent resistance to common disinfectants and high temperatures; the portfolio also includes electrically conductive formulations for automated pipette systems   About Avient   Avient Announces Quarterly Dividend...

Avient will also exhibit its robust portfolio of healthcare materials, including: •    Distribution offerings including PP, PC and TPVs for medical labware, diagnostic kits, and diagnostic devices •    Customized high temperature materials for medical and/or food contact applications which meet ISO10993 biocompatibility and FDA requirements •    Low-retention additives and electrically conductive formulations for pipette tips Avient Announces Second Quarter 2025 Results... Avient Announces Quarterly Dividend...

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Colorant Chromatics™ Conductive Formulations Therma-Tech™ Thermally Conductive Formulations Cesa™ Conductive Additives

Stat-Tech™ Static Dissipative & Electrically Conductive Formulations Stat-Tech™ ST7400-8010 ESD Formulations improved electrical conductivity for fire alarm Stat-Tech™ Static Dissipative and Electrically Conductive Formulations

+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

CORPORATE GOVERNANCE PROXY STATEMENT 2025 | Annual Meeting of Shareholders 30 Code of Ethics, Code of Conduct and Corporate Governance Guidelines In accordance with applicable NYSE listing standards and SEC regulations, the Board has adopted a Code of Ethics, Code of Conduct and Corporate Governance Guidelines. Related Person Transactions Under our Code of Conduct, we prohibit all employees, including our officers and non-employee Directors from engaging in activities that would impact their ability to carry out their duties in an independent, objective fashion. The Avient Supplemental Retirement Benefit Plan is also subject to the rules of Code Section 409A, which restricts the timing of distributions.