ROL ÚNICO TRIBUTARIO ROL ÚNICO TRIBUTARIO NOMBRE O RAZÓN SOCIAL AVIENT CHILE SPA DIRECCIÓN PRINCIPAL (CASA MATRIZ) CAMINO A MELIPILLA 15170 MAIPU RUT 77038524-5 N° SERIE 202104473560 FECHA EMISIÓN 15/06/2021 RUT USUARIO CÉDULA 15334421-3 USUARIO CÉDULA EDUARDO ANDRES GONZALEZ NAVARRO Recuerde, no procede el derecho a crédito fiscal por adquisición de bienes o utilización de servicios que no digan relación con el giro o actividad del contribuyente.

Our expanding portfolio of offerings includes colorants, advanced composites, functional additives, engineered materials, and Dyneema®, the world’s strongest fiber™. Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K.

Please see the resource tab for additional product information. Avient Thermoplastic Composite Tape Portfolio Learn more on Avient's collaboration with Rolatube for new tripod featuring Polystrand composites

Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information. To learn more about Specialty Engineered Materials, contact Avient at +86 (0) 21 6028 4888 www.avient.com

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Q1 2025 results Copyright © . 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Adj. Slide 12 Slide 13: Avient 2024 sales Slide 14: Color, Additives & Inks Slide 15: Specialty Engineered Materials Slide 16: Avient 2024 regional sales, by end market Slide 17: Raw material basket IR Deck - AVNT-2025.03.31 Non-Gaap Recs.pdf Attachment

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Q1 2025 results Copyright © . 2025 7 Color, Additives & Inks – Q1 2025 performance Sales 515 520 Adj. Slide 12 Slide 13: Avient 2024 sales Slide 14: Color, Additives & Inks Slide 15: Specialty Engineered Materials Slide 16: Avient 2024 regional sales, by end market Slide 17: Raw material basket Slide 18: Reconciliation of Non-GAAP financial measures (UNAUDITED) Slide 19: Reconciliation of Non-GAAP financial measures (UNAUDITED) Slide 20: Reconciliation of Non-GAAP financial measures (UNAUDITED)

HVAC AUTOMOTIVE PRODUCER N O R T H A M E R I C A Excelite™ IM Chemical Foaming Additives WHY AVIENT? AVIENT SOLUTION LIGHTWEIGHTING + CYCLE TIME LEARN MORE • Achieved average weight reduction across molds of 7.75% • Achieved cycle time reduction of 15-20% • Provided key support with equipment and processing • Reduced energy consumption • Projected savings of $500,000 annually KEY REQUIREMENTS • Lightweighting • Cycle time improvement • Processing support to enable a seamless transition to begin using foam Copyright © 2020, Avient Corporation. https://www.avient.com/products/polymer-additives/foaming-agents/colormatrix-excelite-chemical-foaming-additives

NORBERT MERKLEIN Vice President and General Manager EMEA, Color, Additives and Inks Norbert Merklein serves as vice president and general manager for the Europe, Middle East and Africa (EMEA) region of Color, Additive and Inks at Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Merklein joined Avient in July of 2020 through the acquisition of the Clariant Masterbatch business. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com http://www.avient.com/

WOUND CARE MANUFACTURER S E L F - A D H E S I V E B A N D A G E S • Provided aqueous dispersions that are safe for uses in contact with human skin and produce low levels of VOCs • Offered high antioxidant performance to protect bandages from degradation and improve storage time • Collaborated to deliver effectively and efficiently with accelerated development cycles and streamlined operations Aquamix Additive Formulations WHY AVIENT? AVIENT SOLUTION DURABILITY + COLLABORATION • Water-based antioxidant dispersion to use in self-adhesive skin bandages • Durability and preservation of bandage adhesive • Efficient development and production KEY REQUIREMENTS LEARN MORE Copyright © 2024, Avient Corporation. https://www.avient.com/products/polymer-additives/additive-dispersions/aquamix-chemical-dispersions Slide 1: Wound care Manufacturer

What additional data is provided when product is shipped? In addition, all these same equipment/tools and processes are typically subject to a formal continuous improvement approach using Lean Six Sigma techniques to ensure that we maintain our competitive edge. 3. Yes We placed our onsite activities in motion E2 Has your organization enhanced its business continuity planning initiative, or is in the process of enhancing its plans in light of September 11?