PolyOne Investor Presentation November 2017 POLYONE CORPORATION 2  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP.

Homepage // News Center // PolyOne Debuts Latest Healthcare Solutions at MD&M West 2015 Featured healthcare material, colorant and additive solutions include:  Guided by its Core Values, Sustainability Promise and No Surprises PledgeSM, PolyOne is committed to its customers, employees, communities and shareholders through ethical, sustainable and fiscally responsible principles.

ECCOH™ XL Cross-Linkable Solutions (8001) Moisture-cured cross-linkable, low smoke and fume, non-halogen (LSFOH) formulations for flame retardant wire and cable applications ECCOH™ XL Cross-Linkable Solutions (ECCOH XL 8001) are non-halogenated flame retardant formulations for the manufacturing of thermoset cable insulation. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

Circular Economy + Sustainability Sustainability Can PK be colored and what are the limitations?

WHO WE ARE – VISION, STRATEGY, CULTURE 3 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. OUR VISION At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. We create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

With Rejoin PCR Colorants, formulations can include both pigments and functional additives in one solution. KEY CHARACTERISTICS • Enables 100% PCR packaging • Helps companies meet sustainability goals • Replaces virgin resin, reducing total energy consumption and limiting emissions* • Combines colorants and functional additives in one solution • Allows for full recyclability of the end product • Provides a lower carbon product footprint than traditional masterbatch • Suitable for use in polyethylene (PET) and polypropylene (PP) as well as in rPET and rPP applications MARKETS AND APPLICATIONS Rejoin PCR Colorants are designed for use in a broad range of applications, including household and personal care packaging, consumer goods, or food and beverage containers. Values reported as “typical” or stated without a range do not state minimum or maximum properties; consult your sales representative for property ranges and min/max specifications.

AMSTERDAM, Netherlands – June 19, 2024 – At today’s Plastics Recycling Show Europe (PRSE) 2024 event, Avient Corporation, a premier provider of specialized and sustainable materials solutions and services, will showcase two finalist sustainability technologies that expand its comprehensive packaging solutions portfolio.   The solution enables industry players to incorporate higher quantities of PCR in polyolefin applications, promoting circularity and sustainability.   Sustainability experts from Avient will be on site to discuss the latest innovative solutions and help address recycling challenges.

Reduce heat and weight in your lighting systems with composite-based solutions for everything from heat sinks to housings. Reduce heat and weight in your lighting systems with composite-based solutions for everything from heat sinks to housings.

Our purpose at Avient is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. Jellison has served as Senior Advisor for Astor Place Holdings, the Private Equity arm of Select Equities, and consults with other private equity and investment management firms in the Medtech industry. Former Directorships: • Univar Solutions Inc.

CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION In this annual report, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Limitations in internal control over financial reporting Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements.