The all-new Dyneema.com website will form the heart of campaigns, customer engagement, and our brand growth strategy,” says Jan-Lodewijk Lindemulder, Vice President and General Manager for Dyneema®, at Avient.

Received a Department of Energy 2025 Better Practice Award for innovative and industry-leading accomplishments in energy management

Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Media contact Jennifer Huang  Senior Manager, Marketing Communications Asia  Avient Corporation   jennifer.huang@avient.com +86 21 60284888

Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements.

Bureau Veritas lnspection and Certification The Netherlands B.V. declares that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standards detailed below. 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

The term “Control” means the holding of 50% or more of the common voting stock or ordinary shares in such entity or any other comparable equity or interest with respect to such entity, the right to appoint or discharge more than 50% of the directors, the right to share in more than 50% of the profits of such entity, or the possession of sufficient authority to direct or cause the direction of management of such entity. In case of an incident, Supplier shall immediately take all measures to clean up, isolate or prevent pollution resulting from such incident. 12.6 Supplier will provide regulatory compliance credentials as required with the Goods where applicable, including but not limited to FDA, RoHS, REACH, TSCA and other chemical control laws and country inventories as required. These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, national origin, sexual orientation or gender identity. 12.12 Both parties shall act in compliance with all applicable (inter)national privacy laws, rules, regulations and standards, including guidelines and decisions of the European Data Protection Board, in connection with the performance of the Agreement.

Certificate of Approval Certificate n°: FR079697-1 Contract n°: 15701960 Revision date: 22 February 2023 Laurent CROGUENNEC - President Local office: Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Further clarifications regarding the scope of this certificate the applicability of the management system requirements may be obtained by consulting the organization. AVIENT BELGIUM 2, RUE MELVILLE WILSON 5330 ASSESSE- BELGIUM Bureau Veritas Certification France certify that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standard detailed below: Standard ISO 14001 : 2015 Scope of certification DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND SPECIALITY COMPOUNDS. Certification cycle start date: 22 February 2023 Subject to the continued satisfactory operation of the organization’s Management System, this certificate expires on: 10 January 2026 Expiry date of previous cycle: : 10 January 2023 Certification audit date: 21 November 2022 Original certification date: 11 January 2017

POLYONE FRANCE TOSSIAT 43, PLACE DE LA GARE 01250 TOSSIAT FRANCE Bureau Veritas Certification France certify that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standard detailed below: Standard ISO 14001:2015 Scope of certification THE DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES FOR THERMOPLASTICS Certification/Recertification Cycle Start Date: 03 May 2023 Subject to the continued satisfactory operation of the organization’s Management System, this certificate expires on: 02 May 2026 Expiry date of previous cycle: NA Certification/Recertification Audit date: 08 March 2023 Original Cycle Start Date: 15 July 2011 Certificate n°: FR081968-1 File n°:15608678 Revision date:24 April 2023 Laurent CROGUENNEC - President Local Office: Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Further clarifications regarding the scope of this certificate the applicability of the management system requirements may be obtained by consulting the organization.