Glasforms’ automated pultrusion process creates constant cross-section profiles with consistent, uniform quality and exceptional dielectric and mechanical performance. To learn more about our solutions, contact us at +1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation. Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information.

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The Glasforms continuous, automated pultrusion manufacturing process creates constant cross section profiles of any pre-determined length with consistent, uniform quality, and exceptional mechanical performance. KEY CHARACTERISTICS • Superior strength-to-weight ratio • Exceptional mechanical performance— consistent and repeatable • Deep deflection • Corrosion resistance • High fatigue resistance & tensile strength • Excellent interlaminar shear strength • Lighter weight than steel • High modulus of elasticity • High temperature performance • Low VOCs VALUE SOLUTION • Ideal in applications where high stiffness and light weight performance are critical • Replacement of metal, wood, and other less efficient materials in order to improve overall product performance while reducing weight, cost, and complexity • Part consolidation • Simplified assembly • A good choice for constant cross-section profiles • Laminates available in continuous lengths • Specialty surface treatments available to improve bonding • Full machining capabilities (surface modification, drilling, shaping, waterjet, etc Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information.

With total inorganic content TECHNOLOGY BENEFITS • Improved light blocking performance up to 99.9% at 550nm and 700nm • Brighter whiteness L* >90 even in thin wall sections (0.21mm) • Plug & go solution—processes similar to virgin PET • Process with standard PET grades and rPET • Reduces equipment wear and tear • TiO 2 content of Avient makes no representations, guarantees, or warranties of any kind with respect to the information contained in this document about its accuracy, suitability for particular applications, or the results obtained or obtainable using the information.

Section 307 of the Tariff Act of 1930 (19 U.S.C. § 1307), ILO Forced Labor Convention (No. 29) and the Abolition of Forced Labour Convention (No. 105), in the mining, production, manufacture or supply of any goods (which includes both raw materials and manufactured goods) or services for Avient, nor, in connection with its supply to Avient, will Supplier procure merchandise from any sub-supplier that was mined, produced, or manufactured, in whole or in part, using forced labor. Section 307 of the Tariff Act of 1930 (19 U.S.C. § 1307) and Trade Facilitation and Enforcement Act of 2015 (TFTEA), the applicable provisions of the Uyghur Forced Labor Prevention Act (UFLPA), the modern slavery and human trafficking provisions of the UK Modern Slavery Act 2015, and the OECD Guidelines for Multinational Enterprises. External communications about Avient require Avient’s prior written consent

Section 307 of the Tariff Act of 1930 (19 U.S.C. § 1307), ILO Forced Labor Convention (No. 29) and the Abolition of Forced Labour Convention (No. 105), in the mining, production, manufacture or supply of any goods (which includes both raw materials and manufactured goods) or services for Avient, nor, in connection with its supply to Avient, will Supplier procure merchandise from any sub-supplier that was mined, produced, or manufactured, in whole or in part, using forced labor. Section 307 of the Tariff Act of 1930 (19 U.S.C. § 1307) and Trade Facilitation and Enforcement Act of 2015 (TFTEA), the applicable provisions of the Uyghur Forced Labor Prevention Act (UFLPA), the modern slavery and human trafficking provisions of the UK Modern Slavery Act 2015, and the OECD Guidelines for Multinational Enterprises. External communications about Avient require Avient’s prior written consent

This proxy statement is to inform you about the matters to be acted upon at the meeting. Additional details about these plans, as they apply to the Named Executive Officers, are included in the “2017 Nonqualified Deferred Compensation” section of this proxy statement. Our proxy materials for the 2018 Annual Meeting will be mailed on or about March 29, 2018.

Virtual Learning We continued to deploy eLearning content globally through the LinkedIn Learning and Skillsoft platforms, including the sponsorship of monthly campaigns highlighting a variety of topics. More detail about Avient’s Product Carbon Footprint calculator can be found in the Product Excellence section and on the website. Details on conventional air emissions can be found in the Metrics section of this repor t.

This proxy statement is to inform you about the matters to be acted upon at the meeting. More detailed information about the compensation awarded to our executive officers in 2015 is provided in the “Compensation Discussion and Analysis” section of this proxy statement. Additional details about these plans, as they apply to the Named Executive Officers, are included in the “2015 Pension Benefits” and “2015 Nonqualified Deferred Compensation” sections of this proxy statement