Beggs Senior Vice President, Chief Financial Officer Michael A. Management has the primary responsibility for the completeness and accuracy of the Company’s consolidated financial statements and disclosures, the financial reporting process and the effectiveness of the Company’s internal control over financial reporting. Beggs Senior Vice President, Chief Financial Officer Michael A.

Beggs Senior Vice President, Chief Financial Officer Michael A. Management has the primary responsibility for the completeness and accuracy of the Company’s consolidated financial statements and disclosures, the financial reporting process and the effectiveness of the Company’s internal control over financial reporting. Beggs Senior Vice President, Chief Financial Officer Michael A.

Evins brings over 28 years of IT leadership experience to Avient, most recently serving as Executive Vice President and CIO at LPL Financial where she led agile technology transformations to improve end user experience and meet increased business needs. Prior to LPL Financial, she held CIO roles at Tenet Healthcare and Conifer Health Solutions.

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. 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. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.

The non-GAAP financial measures include: adjusted EPS, pro forma adjusted EPS, adjusted operating income, adjusted EBITDA, return on invested capital (ROIC) and free cash flow. PolyOne’s chief executive officer 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 historical 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.

Kronimus served as international controller and finance director as well as other positions of financial, commercial and plant management in Avient’s Color, Additives & Ink business unit. Prior to Avient, he worked in financial and commercial roles in Elekluft Elekronik and Docon Unternehmensberatung in Germany.

Approach of the Avient Group to governance and risk management of UK tax matters The Avient Group establishes internal financial policies requiring UK businesses to comply with all applicable UK tax laws and deploys an internal review process to ensure this policy is followed timely and accurately. Additionally, the Avient Group’s compliance with UK tax laws is reviewed by external financial auditors and tax advisors.

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: free cash flow and adjusted EBITDA. 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.

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: free cash flow and adjusted EBITDA. Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of the Company a nd 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. 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. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.