Addressable market exceeds $40 billion • Strong performance demonstrates that our strategy and execution are working • Megatrends and emerging opportunities align with our strengths • Innovation and services provide differentiation, incremental pricing power, and competitive advantage • Strong and proven management team driving growth and performance PolyOne Corporation Page 92 Questions & Answers 1 Schedule I Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Below is a reconciliation of non-GAAP financial measures to the most directly comparable measures calculated and presented in accordance with U.S.

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

Increased data and transparency in key ESG areas, such as environmental data, safety performance and employee demographics

PA66 Balanced performance data TPU Balanced performance data

As global demand for internet connectivity and data transmission capacity continues to rise, fiber optic cable is replacing traditional copper communication cables at a fast pace. New ECCOH™ LSFOH 6153 UV and 6154 UV extend PolyOne’s low smoke, fume, zero halogen portfolio, which is focused on applications where smoke mitigation is of particular concern, including communication and data cables.

Overview of how Avient serves wire & cable customers, highlighting both power and data cables technologies Compare fiber properties and technical data

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets

In millions, except per share data) In millions, except per share data) Condensed Consolidated Balance Sheets