AV I AT I O N C O M P O N E N T S M A N U FA C T U R E R S E A T B E L T C O V E R • Paint-free, metallic look • Reduced Volatile Organic Compounds (VOCs) • Lightweight • Excellent mechanical performance • Non-conductive solution • Provided a non-conductive solution with reduced VOCs and coexisting color and metallic effects • Supplied a technology compatible with PPSU, PES, and PSU • Lowered density compared to virgin resin • Reduced the need for secondary processing and associated VOCs • Supplied low minimum order quantity of gold, silver and bronze colors Colorant Chromatics Metallic Effect Pre- colored Sulfone Colorants KEY REQUIREMENTS WHY AVIENT?

Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, adjusted operating income, free cash flow and adjusted EBITDA. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

Fearon became our Non-Executive Chairman. Fearon Non-Executive Chairman of our Board since 2023. Fearon became our Non-Executive Chairman.

He was also a Director and Non- Executive Chairman of Valvoline Inc. In addition, in order to receive payments under the Executive Severance Plan, the Named Executive Officer must execute a release of claims against us and is subject to confidentiality, non-compete, non-solicitation and non- disparagement covenants during the two-year severance period. An abstention or broker non-vote will have no effect on this proposal as the abstention or broker non-vote will not be counted in determining the number of votes cast.

Use of Non-GAAP Measures This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include: adjusted EPS, adjusted operating income, free cash flow and adjusted EBITDA. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

Fearon became our Non-Executive Chairman. Fearon Non-Executive Chairman of our Board since 2023. Fearon became our Non-Executive Chairman.

PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.  A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com.  Strong past 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  Addressable market exceeds $40 billion 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.

PolyOne Corporation Page 3 Use of Non-GAAP Measures  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures.  A reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure is attached to this presentation which is posted on our website at www.polyone.com.  Strong past 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  Addressable market exceeds $40 billion 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 the wire and cable industry, thermoplastics serve to protect by providing electrical insulation, flame resistance, durability, water resistance, and color coding to wire coatings and connectors. These specialized polymers offer advantages compared to traditional materials that include design freedom, processability, weight reduction, chemical resistance, flame retardance and lower cost. The registered investment company non-US equity funds invest in underlying securities that are actively traded in public, non-US markets.

These specialized polymers offer advantages compared to traditional materials that include design freedom, processability, weight reduction, chemical resistance, flame retardance and lower cost. Approximately $3.0 million of these costs will be non-cash charges. The registered investment company non-US equity funds invest in underlying securities that are actively traded in public, non-US markets.