This technology brings together advanced material science and innovation to support customers' goals and the circular economy,” said Matt Mitchell, director, global marketing of Specialty Engineered Materials at Avient. Shark Solutions® is a cleantech global leader in advanced sustainable PVB products and has been recognized as one of 50 Global Leaders. SEARCH INVESTOR NEWS

GELEEN, Netherlands – February 21, 2025 – Dyneema®, owned by Avient Corporation (NYSE: AVNT), an innovator of materials solutions, will exhibit at Enforce Tac 2025, one of Europe's leading trade shows for police and defense in Germany, February 24–26. Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™. SEARCH INVESTOR NEWS

This announcement also coincides with the start of Avient’s exhibit at Medtec China 2024 today, one of the country’s top medical technology expositions. By bringing NEU Custom Capabilities and NEUSoft TPU production to China, we're reaffirming our commitment to serving the growing medical materials demands from our healthcare and medical device customers in China and the Asia-Pacific (APAC) region," said Matt Mitchell, Director, Global Marketing of Specialty Engineered Materials at Avient, "This development not only helps us to improve our response time but also allows us to work more closely with our customers, providing customized solutions that meet their specific needs." SEARCH INVESTOR NEWS

The introduction of new proposals such as the ELV Directive puts additional pressure on OEMs and automotive tier-one suppliers to deliver on incorporating more recycled content,” said Matt Mitchell, Director, Global Marketing of Specialty Engineered Materials at Avient. SEARCH INVESTOR NEWS

Long fiber thermoplastics (LFTs) offer benefits to design engineers seeking a material that provides exceptional strength, yet requires lightweight properties. When working with Avient, our materials and technical experts act as an extension to your design and engineering teams, supporting your projects from start to finish. SIMULATION SUPPORT Computer-aided engineering (CAE) allows us to accurately and efficiently understand a variety of assessments that help us guide your team through the design phase of a project to confidently dial in on a final design.

Avient strives to achieve high environmental standards in both mature and emerging markets through the development of security and environmental management systems, audit/review procedures, certifications, local training programs and best-practice management systems. Monthly, quarterly and yearly reporting of safety and health statistics and benchmarking against other best-in-class companies.

Best practices for handling and using ColorMatrix™ Optica™ Global PRT Toner Dispersions Best practices for handling and using ColorMatrix™ Joule™ RHB Fast Reheat Dispersions

Design optimization, predictive tools and best practices for working with thermoplastic composite sandwich panels Take a comprehensive look at composite materials to help you identify the best solution for your needs

Check one box below and provide information as required: Complete the following information: Form 540 Prescribed by: POLYONE CORPORATION 1181191 1701.70(B)(6) Page 2 of 2Form 540 Last Revised: 06/2019 A copy of the resolution of amendment is attached to this document. Sincerely, Helen Devine Helen Devine Certified Paralegal hdevine@OhioSOS.gov Change to the Name of the Company; Articles of Incorporation WHEREAS, the Board of Directors (the “Board”) of PolyOne Corporation, an Ohio corporation (the “Company”), deems it to be advisable and in the best interest of the Company to change its corporate name; and WHEREAS, the Board deems it to be advisable and in the best interest of the Company to amend the Company’s Articles of Incorporation, as amended, to reflect the Company’s new name.

formerly Brush Engineered Materials, Inc.) One of the Delaware Stockholder Actions, Gross v. formerly Brush Engineered Materials, Inc.)