Forward – Looking Statements Page 2 • This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. In certain cases throughout this presentation, we have presented GAAP and non-GAAP financial measures adjusted to reflect full- year 2012 Pro forma results, including Spartech and Glasforms and excluding discontinued operations 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.

The non-GAAP financial measures include: Adjusted Earnings Per Share, Net Debt / Adjusted EBITDA, and Adjusted EBITDA. 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.avient.com. When showing constant dollar figures on GAAP and non-GAAP financial measures, the foreign exchange impact is calculated by using current foreign exchange rates and applying them to the prior period results.

Review and approve the terms of all employment agreements, management continuity agreements and change in control agreements for elected officers. 3 Non-employee Director Compensation Review the compensation of non-employee directors and make recommendations to the Board regarding changes to existing compensation levels. • Perform administrative functions with respect to the compensation of non-employee directors, including interpreting existing policy. • Review and approve (or approve and recommend to the Board for its approval) equity-based grants and awards to non-employee directors under the Company’s equity-based plans. The Committee may delegate its authority under this Charter relating to employees other than executive officers and non-employee directors, to the extent it deems appropriate and consistent with law and customary practice, and may otherwise fully delegate authority relating to matters it deems to be ministerial

Forward – Looking Statements Page 2 • 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. August 13 - Key Bank 2013 Investor Presentation non-GAAP v2.pdf Reconciliation to Condensed Consolidated Balance Sheets

Forward – Looking Statements Page 2 • 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. Gabelli Non-GAAP.pdf Section 1

POLYONE CORPORATION 3 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, Specialty platform operating income percentage, adjusted operating income, and return on invested capital Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP for each fiscal year end.

Control of Non-conforming products, complaints handling, recall and CAPA Avient follows a documented process for control of non- conforming products, complaints handling, recall and CAPA. Non-conforming products are identified, segregated, and evaluated. Non-conforming products are identified, segregated, and evaluated.

AVIENT SOLUTION NON-BLOOMING SOLUTION LEARN MORE Copyright © 2021, Avient Corporation. https://www.avient.com/products/thermoplastic-elastomers/versaflex-non-blooming-tpes-consumer-electronics

AVIATION COMPONENTS MANUFACTURER 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?

MAM L E A R N T O D R I N K ™ C U P • Compliance with EU fatty food contact regulations* • Soft, gentle feel • Non-BPA, non-phthalate • Great colorability • Provided customized solution to comply with Europe’s fatty food contact requirements and application needs • Enhanced customer appeal with a soft, durable and custom-colored solution Versaflex™ FFC Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?