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Controlled dispersion and high-quality carbon black materials enable you to achieve optimal performance for high-temperature extrusion and molding processes. In some cases, it is advisable to pre-treat the substrate prior to application. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

The non-GAAP financial measures include Free Cash Flow and Adjusted EBITDA Margin. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. To provide comparable financial results, Avient references “pro forma” financial metrics, which include the business results of Clariant Color for the entirety of 2020.

Forward – Looking Statements Page 2 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. PolyOne’s chief operating decision makers use these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources. 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.

We also expanded our cybersecurity controls to address the evolving global cybersecurity threats. Our competencies define what it takes to be successful at Avient. Some of the programs are tailored to local standards and needs.

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Functional Department Name Recast Financial Information for Discontinued Operations June 29, 2017 POLYONE CORPORATION 2 Slide 3 - GAAP Financial Information Recast for DSS Divestiture Reflects recast GAAP financial information for DSS as a discontinued operation. Slide 4 - Adjusted Financial Information Recast for DSS Divestiture Reflects quarterly adjusted condensed financial data recast for DSS as a discontinued operation. Slide 6 - Non-GAAP Reconciliations Reflects a reconciliation of each non-GAAP financial measure with the most directly comparable GAAP financial measure for these recast historical financial results.

To meet this demand for quality packaging, ultra-pure static dissipative specialty engineered polymers, and the facilities that manufacture them require specific cleanliness and strict environmental controls. Solutions:  To achieve this high level of protection, maintaining stringent quality controls and cleanliness standards for manufacturing the semiconductor packaging materials and the packaging is crucial. Equally important to providing advanced ESD materials, we possess a deep understanding of the necessary controls to safeguard the purity of the entire manufacturing process.

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.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.  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.

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.  PolyOne’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company and each business segment and to allocate resources.  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.