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The non-GAAP financial measures include: Adjusted Earnings Per Share, Adjusted EBITDA and Adjusted EBITDA Margin. 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.

USE OF NON-GAAP MEASURES PolyOne Corporation 3 • 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, adjusted operating income, and return on invested capital. • 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. In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans. • 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.

High Strength & Flame Resistance History PBO was first developed in the 1980’s and is extremely strong and flame resistant. Good flame resistance

Colorant Chromatics™ Evoluscend™ Non-PFAS High-Temperature Mold Release Additive Non-PFAS High-Temperature Mold Release Additive Colorant Chromatics™ Evoluscend™ is a non-PFAS* high-temperature polymer mold release additive developed to boost production efficiency and product quality for manufacturers.  

• Cesa™ Flame Retardant Additives enable a fire performance in line with different levels of Glow Wire temperatures (IEC 60685-2-12) for various recycled resins including PP, PC, and PS.