KEY CHARACTERISTICS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number, reducing risk of change • Available as additive concentrates, ready-to-use additive formulations or ready-to-use additive/ colorant formulations for different polymers REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* APPLICATION BULLETIN * FDA/EU compliance information available upon request; exceptions may occur Healthcare use limitations apply—see below. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

Regulatory information Ultimate UV is suitable for use under EU and FDA food contact legislation. ColorMatrix™ Ultimate™ UV390 ColorMatrix™ Ultimate™ UV390R UV Protection Up to 390 nm Up to 390 nm User Convertor Convertor Color Colorless Colorless Recycling Accreditation EPBP APR EPBP* APR* Lightweighting ✘ ✔ Productivity Saving ✘ ✔ * Individual components are EPBP approved Product Type CC Code EU FDA Mercosur China ColorMatrix™ Ultimate™ UV 390 CC01055275 • • • • ColorMatrixw Ultimate™ UV 390R CC10348919 • • • – Food contact uses are subject to regulatory limitations and use conditions COLORMATRIX™ ULTIMATE™ UV TECHNICAL AND REGULATORY INFORMATION

Mechanical properties and specifications are available—please contact Avient. To learn more about GridCore Composite Utility Poles go to avient.com/gridcore Insulators To learn more about our solutions, contact us at +1.844.4AVIENT www.avient.com Copyright © 2025, Avient Corporation.

Commenting on the company's outlook, Mr. Investor Relations Contact: Eric R. Investor Contacts

Investor Relations Contact: Isaac D. Media Relations Contacts Company Officers

Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • HEALTH & SAFETY • CLIMATE CHANGE Apex Companies, LLC • (800) 733-2739 • www.apexcos.com Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. Attestation: Scott Johnston, Lead Verifier David Reilly, Technical Reviewer Principal Consultant Principal Consultant Apex Companies, LLC. Apex Companies, LLC.

Page 3 WATER RESOURCES • ENVIRONMENTAL SERVICES • INDUSTRIAL HYGIENE • SAFETY • SUSTAINABILITY Apex Companies, LLC • (800) 733‐2739 • www.apexcos.com Statement of independence, impartiality and competence Apex is an independent professional services company that specializes in Health, Safety, Social and Environmental management services including assurance with over 30 years history in providing these services. Attestation: Scott Johnston, Lead Verifier Cody Lorentson, Technical Reviewer Principal Consultant Program Manager Apex Companies, LLC. Apex Companies, LLC.

KEY BENEFITS • Consistent performance with all levels of rPET; 25%, 50% and 100% • Improved haze and color • Can be used with many different resin/grades • Non-nylon based • Simple to use with existing mono-layer equipment • Suitable for use on multi-layer machines Sustainability Spotlight Recycle Solutions TARGET MARKET & APPLICATIONS PET and rPET rigid packaging for food & beverage REGULATORY ColorMatrix Amosorb 4020R meets direct food contact regulatory requirements in major markets. Contact Avient for specific clearances and use conditions. 100% rPET 3% 4020R in 100% rPET 4% 4020R in 100% rPET 1.844.4AVIENT www.avient.com Copyright © 2021, Avient Corporation.

KEY CHARACTERISTICS • Available for polyethylene, polypropylene, ABS, polycarbonate and styrenics • Bio-content of resin carrier varies from 70% to 100% depending on polymer—calculated to ASTM D6866 standard • Manufactured at four ISO 13485 certified sites, providing global consistency and security of supply • Documented change control beyond CAS number, reducing risk of change • Drop-in solutions that can be processed like fossil-based grades on common injection molding and extrusion machines • Can be provided as ready-to-use pre-colored or additive formulation REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 - USP and (incl. class VI) - European Pharmacopeia, monograph 3.1.3/ 3.1.5 (polyolefin packaging materials) - USP (polyethylene) - Elemental impurities as per ICH Q3D • Registered Drug Master File (Type III) and/or Device Master File • Food contact according to US FDA and APPLICATION BULLETIN Sustainability Spotlight Bio-polymers Healthcare use limitations apply—see below. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com

REGULATORY SUPPORT • Drug delivery devices • Pharmaceutical packaging • Medical equipment KEY CHARACTERISTICS • Manufactured at four ISO 13485 certified sites, providing global consistency and increased security of supply • Documented change control beyond CAS number level, reducing the risk of change • Allows crystallization in semi-crystalline polymers to begin faster and complete earlier REGULATORY SUPPORT • Raw materials tested to: - ISO 10993-1 and USP biological evaluation - European Pharmacopeia 3.1.3/3.1.5 (polyolefin) - USP (polyethylene) - ICH Q3D elemental impurities • Registered Drug Master File (Type III) and/or Device Master File • Food contact established with FDA/EU* APPLICATION BULLETIN * FDA/EU compliance information available upon request Healthcare use limitations apply—see below. For more detailed information on Mevopur uses and restrictions see www.avient.com/healthcare-use-limitations-mevopur-products or contact your Avient sales representative. 1.844.4AVIENT www.avient.com