They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Avient Total Enterprise Value Pro forma for acquisition of Clariant Masterbatch business and tax payments associated with the PP&S divestiture per Company filings, resulting in a cash adjustment from the June 30, 2020 balance sheet of ~$1,520MM 2.

THE IMPACT Not only did the Gordon Composites vibratory springs outperform the company’s originally specified spring components, they provided a number of additional benefits: Ready-to-install springs reduced labor and simplified installation Unlike alternative springs, Gordon Composites springs are factory machined to the required size and pre- drilled for a significant reduction in cutting and drilling processes and allowing valuable labor time to be allocated elsewhere.

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.

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.

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?

Propellers made from polymer composites have a number of benefits over steel and aluminum alternatives, including improved impact resistance and vibration damping properties.

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.

PROPERTY TEST METHOD NOMINAL VALUE Specific Gravity (25/25°C) ASTM D-891 0.950–0.956 Acid Number (mg KOH/g) AOCS Cd 3d-63 < 1.00 Appearance ASTM D-2090 Clear Color (Pt-Co Scale) ASTM D-1209 < 100 Molecular Weight – Theoretical, approximate 316 Oxirane Content (wt%) AOCS Cd 9-57 > 6.4 Water Content (wt%) ASTM E-1064 < 0.15 TECHNICAL PROPERTIES To learn more about SynPlicity™ 1000 Cosmetic Ester, contact PolyOne at 1.866.POLYONE (1.866.765.9663)

Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

Ltd Business Registration Number: 91320505799067336K Registered/ Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Environmental Management System has been awarded this certificate for compliance with the standard ISO 14001:2015 The Environmental Management System Applies in the following area: Production and Related Management Activities of Plastic Colorant & Additive (UV Blockers, Anti-Aging,Anti-Oxidation) Certified since: June 6, 2012 Valid from: January 17, 2024 Valid until: January 7, 2027 the expiry date of last certification cycle: January 7, 2024 the date ofrecertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.