Challenge An isotropic modelling approach employs a single material response and assumes this singular response at every location within a potential part.

PRODUCT BULLETIN LEGISLATION & TARIFFS As the packaging industry seeks to align with global sustainability trends, many new legislative changes surrounding single use plastic packaging can be observed.

KEY CHARACTERISTICS • Meets USP Class VI standards • Biocompatible • Provides lightfastness, chemical resistance, and heat stability • Available in standard single pigment or custom multi-pigment colors • LSR and HCR options available TARGET APPLICATIONS Stan-Tone HC Plus silicone dispersions are suitable for a variety of healthcare applications including: • Catheters and medical tubing • Medical and surgical equipment • Labware and diagnostic devices • Specialty medical devices and wearables Product Code Pigment Type % Pigment (approx.)

In short, our end-to-end solutions and initiatives have a single goal, to help you win. • Faster approvals - Our full portfolio of materials with automotive direct and indirect specifications and approvals accelerate time to market. • Design support - From part design to mold flow analysis, our design team has the know-how and the tools to work with part designers to create solutions that perform beyond expectations. • Greater productivity - Our highly experienced application development teams help you with tool design recommendations, processing assistance, and troubleshooting to boost your productivity. • Color collaboration design services – Working with you at the earliest stages of development, our experts offer ideas, inspiration and technical guidance on colors for plastics so you can integrate high-impact concepts early to save time and money. 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

Presented this 25th day of October 2021. _______________________ Vice President, Accreditation Services For the Accreditation Council Certificate Number 0562.01 Valid to October 31, 2023 0562-01 0562-01c

Presented this 11th day of December 2023. _______________________ Mr.

Presented this 11th day of December 2023. _______________________ Mr.

Presented this 05th day of September 2023. _______________________ Mr.

Se nos fornecer informações pessoais de uma referência ou de qualquer outro indivíduo como parte da sua candidatura (por exemplo, um contacto de emergência ou dados de parentes próximos), é da sua responsabilidade obter o consentimento desse indivíduo antes de nos fornecer as informações e informá-lo do conteúdo deste Aviso. 4.

AVNT-2023.03.31-News Release 1 NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces First Quarter 2023 Results • First quarter sales of $846 million in line with guidance • GAAP EPS of $0.23 includes special items primarily related to restructuring costs as detailed in Attachment 3 • Adjusted EPS of $0.63 exceeded guidance of $0.55, driven by better-than-projected margins in both segments • Full year adjusted EBITDA and EPS guidance of $530 million and $2.40, respectively, maintained given present macroeconomic uncertainty • Sustainability Investor Day to be held on September 20th will highlight Avient’s sustainable solutions portfolio and growth opportunities CLEVELAND – May 3, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable solutions, today announced its first quarter 2023 results. Upcoming Sustainability Investor Day Commenting on the September 20th sustainability investor day, Mr.