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.

How to e-invoice through Email (SAN) Suppliers Guide What is SAN? Some of the fields are pre-populated with information from the PO.

WHAT IT DOES Cesa™ Anti-Block Slip LS is a range of additives for flexible polyolefin packaging that helps convertors and brand owners switch from multi-material to mono-material packaging. 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.

CASE STUDY: GLS™ THERMOPLASTIC ELASTOMERS WHAT RECOIL? The new material, a GLS™ thermoplastic elastomer (TPE) from Avient, met the rigorous needs of the high-end rifle manufacturer, and then some.

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. Patterson 8:15-8:30 AM Financial Highlights and Goals Bradley C.

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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.avient.com. Each of such adjustments has not yet occurred, are out of the Company's control and/or cannot be reasonably predicted. To provide comparable financial results, the Company references “pro forma” financial metrics, which include the business results of CMB for periods prior to the Acquisition Date.

In this press release, 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. They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales.

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. Patterson 8:15-8:30 AM Financial Highlights and Goals Bradley C.

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