SELF-SERVICE 1. Main advantages of liquid color systems include: • Excellent statistical color distribution for consistently high quality • Shot-to-shot and batch-to-batch consistency • Single heat history • Minimal wastage due to high level dosing accuracy and product recovery rates • Highly concentrated formulations with capability of very low addition rates • Reduced inventory and storage requirements FULL SERVICE COLOR PACKAGE Avient is dedicated to supporting its customers with a full package of support services to ensure optimum value from our advanced colorant and additive technologies. Technical Support Services Our team of technical service engineers are located globally to provide full training and manufacturing support.

LubriOne anti-wear solutions are well established in many industries, enabling customers to replace metal bearings, for example, or to stop using oil or other external lubricants. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. The company is dedicated to serving customers in diverse industries around the globe, by creating value through collaboration, innovation and an unwavering commitment to excellence.

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. Avient is committed to the needs of our healthcare customers. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection.

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. Avient is committed to the needs of our healthcare customers. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection.

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 risk of change • Non-phthalate and formulated without animal-derived substances • Different tones of amber available on request —more or less red or yellow and/or lighter or darker • Also available in liquid form REGULATORY SUPPORT • Pre-tested raw materials: - ISO 10993-1 and USP parts (Class VI) - European Pharmacopeia, monograph 3.1.15, USP and elemental analysis as per ICH Q3D - USP criteria appearance of solution, color • Registered Drug Master File (Type III) by the FDA • Food contact compliance established with FDA/EU* • YBB00102002-2015 (oral liquid pharmaceutical PET bottles) compliance support APPLICATION BULLETIN * FDA/EU compliance information available upon request Healthcare use limitations apply—see below. Avient is committed to the needs of our healthcare customers. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection.

Avient serves a unique role in enabling the sustainability goals of our customers through the application of material science in nearly every end market,” said Jamie A. Conference call participants in the question and answer session should pre-register using the link at avient.com/investors, or here, to receive the dial-in numbers and a personal PIN, which are required to access the conference call. https://www.avient.com/investors https://sustainabilityday2023.avient.com/ https://www.avient.com/investors https://register.vevent.com/register/BI0b9400e410674b9d9dc80471579b64b9 https://www.avient.com/investors/events-presentations About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

The additive technology can be custom formulated for specific resin and laser types. Cesa laser marking solutions can be used with a variety of thermoplastics including, but not limited to: • PP • PC/ABS • Polyamide • Polyacetal (POM) Applications include: • Traceability, UPC, Branding • Food Packaging Lot Codes • Industrial Safety Tags & Equipment • Wire & Cable Part Numbers & Gauge Size • Automotive Components • PE • PET • PMMA • Polyolefins PRODUCT BULLETIN WHY LASER MARKING? Avient has a track record of successfully collaborating with customers in developing solutions for a wide variety of applications, materials and processes.

The additive concentrates can be customized to include colors and/or other additives, e.g., flame retardants, antistatic or laser marking additives. BENEFITS • High additive loading for optimal UV stabilization • Solutions available for a large number of injection molded polymers including PP, PE, PS, HIPS, ABS, SAN, PA (nylon), PBT, Co-PET, PC, POM and TPU • Can be combined with colors and other additives in Smartbatch™ solutions • Formulations can be customized to meet specific regulatory compliance, e.g., EU and US food contact, toy, UL 94 recognition PRODUCT BULLETIN Copyright © 2023, Avient Corporation.

APPLICATIONS • Medical devices • Drug delivery devices • Labware 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 risk of change 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* * FDA/EU compliance information available upon request Copyright © 2023, Avient Corporation. Avient is committed to the needs of our healthcare customers. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection.

KEY CHARACTERISTICS • Manufactured under ISO 13485 procedures • Documented change control beyond CAS number, reducing risk of change • Can be used on common injection molding and extrusion machines—set-up support by a technical assistance team • Available for use in polyolefins, styrenics and copolymers • Can be combined with colorants 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 USA FDA and EU norms APPLICATION BULLETIN Sustainability Spotlight Healthcare use limitations apply—see below. Avient is committed to the needs of our healthcare customers. As part of our commitment, we publish Avient’s Mevopur™ product policy and use limitations to assist customers in their product selection.