Avient to Showcase Innovative Polymer Solutions for the Wire and Cable Industry at Wire Düsseldorf 2024 Specialty and Sustainable Materials for Packaging to Be Showcased by Avient at Propak Vietnam 2024 Specialty and Sustainable Materials for Packaging to Be Showcased by Avient at Propak Vietnam 2024.

PolyOne Corporation Page 1 PolyOne Investor Presentation March 2016 PolyOne Corporation Page 2 Forward-Looking Statements  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. Appendix Recent Acquisitions 2015 Full Year Financial Highlights At a Glance�Color, Additives and Inks At a Glance�Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Application Examples Outdoor Applications Slide Number 32 Authentication Technology Metal Replacement Solutions Range Rover Evoque Interior Slide Number 36 High-Barrier Packaging Containers Aerospace Applications Investor Presentation - March 1, 2016 r36 Investor Presentation - March 1, 2016

PARIS – January 29, 2020 – Today at PCD Paris, the Packaging of Perfume, Cosmetics and Design show, PolyOne is launching OnColor™ Naturals, the latest addition to its sustainable solutions portfolio. PolyOne’s Sandrine Reboux, senior marketing manager, and Marc Gauthier, business development manager, will be presenting OnColor Naturals, along with other solutions from the current sustainability portfolio, on January 29th at 11 am CET during the Innovation & Technology Theatre sessions. The company adds value to global customers and improves sustainability through formulating materials, such as:

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.

NYSE: AVNT) AVIENT CORPORATION S P E C I A LT Y P O R T F O L I O T R A N S F O R M AT I O N C O N T I N U E S W I T H D Y N E E M A A C Q U I S I T I O N 2 0 2 2 F I R S T Q U A R T E R R E S U LT S DISCLAIMER 2 Forward-Looking Statements 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.

This is often reported as tensile at various percentages of the original length of elastomer, such as 50, 100 and 300 percent. This is reported in percentage of original length. Limited

This is often reported as tensile at various percentages of the original length of elastomer, such as 50, 100 and 300 percent. This is reported in percentage of original length. Limited

Circular Economy + Sustainability Sustainability Sustainability  

Circular Economy + Sustainability Sustainability Sustainability  

Circular Economy + Sustainability Sustainability Sustainability