Figure 1. Schematic representation of creep mechanism; chain alignment and void formation in response to applied stress. 3© 2021 Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 There are several key factors which can influence the timeline to ESC failure: 1. REFERENCES 1.

December 1, 2014 Avient To Hold Third Quarter 2025 Conference Call... Avient Hires David N.

TPEE AND TPU FILM MANUFACTURER H O T M E L T A D H E S I V E F I L M • Anti-phenol yellowing after storage • Keep natural color of product • No impact on melt flow ability • Prevented the appearance quality from yellowing after storage • Had no negative impact on the product’s mechanical properties • Extended the shelf life and durability of the product CesaTM Anti-phenolic Yellowing Additive KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION FUNCTIONALITY + CONVENIENCE LEARN MORE Avient Corporation 1 https://www.avient.com/products/polymer-additives Slide 1: TPEE and TPU Film MANUFACTURER

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Avient Announces Fifteenth Consecutive Annual Dividend Increase... Avient To Hold Third Quarter 2025 Conference Call... Avient Hires David N.

Avient Announces Fifteenth Consecutive Annual Dividend Increase... Avient To Hold Third Quarter 2025 Conference Call... Avient Hires David N.

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. EBITDA Margins (1) 5.4% 11.5% 16.2% 2006 2018 2022PF $142 $408 $592 2006 2018 2022PF 2006 figures exclude joint venture results 2022 pro forma for the acquisition of Avient Protective Materials Adj.

Investor Relations - Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com | Media - Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

Get Help Now +1-866-737-2066 Sustainability at Avient Discover sustainable specialty engineered polymers from Avient.