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Homepage // News Center // New PolyOne UltraTuf™ SG Chrome Sheet for Signage Combines Reflectivity with Toughness Caption: Achieve the look of real chrome with new UltraTuf SG Chrome thermoplastic sheet from PolyOne.  ©PolyOne)

Senior management believes these measures are useful to investors because they allow for comparison to PolyOne's performance in prior periods without the effect of items that, by their nature, tend to obscure PolyOne's operating results due to the potential variability across periods based on timing, frequency and magnitude. Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Avient Investor Presentation - Jefferies Industrials Conference August 2020.pdf August 2020 investor non-GAAP reconciliation.pdf August 2020 investor non-GAAP

Homepage // News Center // PolyOne Introduces Excelite™ IM Chemical Foaming Additives for Injection Molding About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news

Homepage // News Center // Breakthrough Automotive Exterior Design Features Specialty PolyOne Color and Additive System About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news

About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news. Sandy Wagner Marketing Communications Manager PolyOne GLS Thermoplastic Elastomers +1 815-385-8500 sandy.wagner@avient.com

Homepage // News Center // PolyOne Specialty TPE Material Enables OEMs to Meet Skin Sensitivity Testing Requirements About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news.

PTFE Wire insulation TUBING MANUFACTURER P T F E C A T H E T E R T U B I N G • Food contact compliance • Avoid contamination risks resulting ​from dry pigments • Powder paste extrusion process • High quality dispersion • Availability of custom color options • Supplied pigments with FDA clearance • Optimized pigment particle size and distribution to achieve high-quality dispersion • Provided a technology based on high-quality pigments and ready-to-use formulations​ • Offered a standard liquid pigment portfolio in a wide range of shades with color-matching capabilities • Improved manufacturing process stability and efficiency Colorant Chromatics PTFE Dispersed Pigment Solutions KEY REQUIREMENTS WHY AVIENT? LEARN MORE https://www.avient.com/products/polymer-colorants/fluoropolymer-color-concentrates/colorant-chromatics-dispersed-pigments-ptfe#:~:text=Colorant%20Chromatics%E2%84%A2%20formulations%20use,PTFE%20tape%20and%20PTFE%20yarns.

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