The non-GAAP financial measures include: Adjusted Earnings Per Share, Free Cash Flow, Net Debt/Adjusted EBITDA, 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.

XMAXXAM FR H10 V2 BLACK T 70 Bergamid B70 G15 H natural TM-Z UV SO6 PP FR 8-6 LMS-1000

Geon(TM) DB5381 BLUE NON PHTHALATE Geon(TM) DB5381 RED NON-PHTHALATE PP FR 8-6 LMS-1000

It’s the highest honor a non-sales associate can receive at Avient. Additionally, protective cable insulation and jacketing can be made from ECCOH™ Low Smoke and Fume, Non-Halogen Formulation Visit Our Sustainability Site for More Information LEARN MORE Floating Offshore Wind Turbine Mooring Lines The Challenge Construction of large multi-gigawatt floating wind farms benefit from stable winds and are non-visible from the shore. Avient’s portfolio delivers flame retardance, low smoke and halogen options, and materials that can withstand wide temperature variations for telecommunication applications. 5G (The 5th Generation Network) From drinking water to air quality, sensors enabled by 5G can detect, manage and notify authorities about possible risks.

Pallet Non-slip Strips Bergamid™ polymer formulations and GLS™ TPEs replace metal and provide comfort and usability for Swiss soldiers pocket knife Pressure and Non-Pressure Pipes

Pallet Non-slip Strips Bergamid™ polymer formulations and GLS™ TPEs replace metal and provide comfort and usability for Swiss soldiers pocket knife Pressure and Non-Pressure Pipes

Non-GAAP financial measures have limitations as analytical tools and should not be considered in isolation from, or solely as alternatives to, financial measures prepared in accordance with GAAP. Below is a reconciliation of these non-GAAP financial measures to their most directly comparable financial measures calculated and presented in accordance with GAAP. 1) Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; costs incurred directly in relation to acquisitions or divestitures, including adjustments related to contingent consideration; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; mark-to-market adjustments associated with actuarial gains and losses on pension and other post-retirement benefit plans; environmental remediation costs, fines, penalties and related insurance recoveries related to facilities no longer owned or closed in prior years; gains and losses on the divestiture of operating businesses, joint ventures and equity investments; gains and losses on facility or property sales or disposals; results of litigation, fines or penalties, where such litigation (or action relating to the fines or penalties) arose prior to the commencement of the performance period; one-time, non- recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

DM691#25 NAVY BLUE NON-PHTHALATE DM691#26 NAVY BLUE NON-PHTHALATE PP FR 8-6 LMS-1000

Customizing the material may include incorporating functional additives and modifiers such as fibers, foaming agents, oxygen scavengers, flame retardants, and UV blockers.

DM691O BLACK NON-PHTHALATE DM691#2 NON PIGMENTED NON-PHTHALATE PP FR 8-6 LMS-1000