In today’s opening ceremony event entitled “Come See The Difference,” customers participated in tours, color matching demonstrations and other sessions that showcased how PolyOne differentiates its products and services in the specialty marketplace. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Jul 10, 2025

TERMS AND CONDITIONS الشروط والأحكام These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Corporation and its affiliates (“Seller”). Buyer must notify Seller of such acquisition within 10 (ten) days thereof. The number of arbitrators shall be one.

Homepage // News Center // New Hammerhead™ FR Flame Retardant Composite Panels from Avient Featured at JEC World 2025 Avient will showcase its broad portfolio of advanced composites and engineered fiber solutions, including its new Hammerhead™ FR Flame-Retardant Thermoplastic Composite Panels, at JEC World 2025 in Paris from March 4 to 6.  Jul 10, 2025

+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.

Homepage // News Center // Pharmapack 2025 to Feature Polymer Colorants and Additives from Avient to Enhance Performance and Sustainability Jul 10, 2025

Homepage // News Center // Textile Screen Printers Have a New Ally: EPIC™ Rio Non-Phthalate Ink Mixing System from Wilflex Jul 10, 2025

It measures how well a material absorbs energy in the form of heat but does not measure how well it releases the heat. In contrast, thermal inertia measures how quickly a material returns to ambient temperature after heating. Processing conditions can cause material properties to shift from the values stated in the information.

Seller shall replace, free of charge, any Products which do not conform to these specifications in one or several deliveries. All late payments shall bear an annual interest of one (1) month EURIBOR plus 8% accrued on a daily basis, notwithstanding any damages. Seller may deliver to Buyer a quantity of Products with a quantity tolerance which may vary, depending upon the quantities ordered by Buyer, as follows: (1) from 50 to 99 kgs, +/- 25%; (2) from 100 to 249 kgs, +/- 15%; (3) from 250 to 499 kgs, +/- 10%; (4) more than 500 kgs, +/- 5%.

From drinking water to air quality, sensors enabled by 5G can detect, manage and notify authorities about possible risks. Rapid growth in computing technology has increased demand for higher performing connectors, printed circuit boards, sockets and more. PREPERM™ material solutions, design and prototyping support can help take you from idea to mass production as quickly as possible.

India is an emerging market with one of the fastest growing economies in the world,” said Holger Kronimus, vice president, Europe, at PolyOne. With the most recent addition of TPE production, PolyOne enables manufacturers to source all of their specialty polymer requirements from a single domestic source. Jul 10, 2025