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

LEADING MEDICAL TRAINING COMPANY M E D I C A L M A N I K I N S • Ability to color code various body parts for more accurate teaching and instruction • Maintain durability and performance through repeated use in a variety of training scenarios • Meet customer’s regulatory requirements • Provided specific colors and hardness for easier identification of body parts • Supplied a non-phthalate plastisol formulation that maintained strength and flexibility over an extended time • Offered robust technical support and regulatory assistance to meet all compliance directives as required by customer Core™ Non-Phthalate Plastisols KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/vinyl-formulations/vinyl-plastisols-organosols/core-non-phthalate-plastisols

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. Non GAAP Rec - 11 5 14.pdf Sidoti & Company non-GAAP Rec

The non-GAAP financial measures include: adjusted Earnings Per Share, adjusted Operating Income, net debt / adjusted EBITDA, and adjusted EBITDA. EBITDA and Adjusted EBITDA are non-GAAP financial measures that management uses in evaluating operating performance. The presentation of these measures may be different from non-GAAP financial measures used by other companies.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Non-GAAP Financial Measures The Company uses 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, adjusted EBITDA and net debt. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 Non-GAAP Financial Measures The Company uses 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. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.

Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The non-GAAP financial measures include adjusted EPS, adjusted operating income, adjusted gross margin and adjusted EBITDA. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP.

CORE(TM) DB1587A Gray UV FR CORE(TM) MB3213 NEUTRAL NON-PHTHALATE PP FR 8-6 LMS-1000

PX-19306-A NON FR LAMINATING ADHESIVE PP FR 8-6 LMS-1000

DB4184 BLACK (SM1217-0420) NON-BBP PP FR 7A31-7001 PP FR 8-6 LMS-1000