PR 57:1 Transparent RED 2B CA SALT BS C.I. PR 60:1 Semi-Transparent RED 2B BA SALT YS C.I.

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation 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.

Taxes paid on gain on divestiture Weighted average diluted shares Pro forma weighted average diluted shares

Weighted-average shares used to compute earnings per share: Weighted average shares used to compute adjusted earnings per Gain on sale of business

Avient’s Taiwan Site Gains GRS 4.0 Accreditation, Extending List of Environmentally Certified Sites Avient’s Taiwan Site Gains GRS 4.0 Accreditation To download a high-resolution image, please click here: FOR MEDIA USE ONLY TAOYUAN, Greater C

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Weighted-average shares used to compute earnings per common share: Weighted average shares used to compute adjusted earnings per share:

Adjusted EPS of $0.38 declined from $0.39 in the prior year fourth quarter due primarily to weaker results within Designed Structures & Solutions, unfavorable foreign exchange and reduced demand for energy, agricultural and heavy truck applications Weighted-average shares used to compute earnings per common share: Weighted average shares used to compute adjusted earnings per share:

Weighted-average shares used to compute earnings per share: Weighted average common shares used to compute earnings per share: Special items include charges related to specific strategic initiatives or financial restructuring such as: consolidation of operations; debt extinguishment costs; employee separation costs resulting from personnel reduction programs, plant phase-in 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, remediation costs 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; unrealized gains and losses from foreign currency option contracts; one-time, non-recurring items; and the effect of changes in accounting principles or other such laws or provisions affecting reported results.

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation Weighted-average shares used to compute earnings per common share: Weighted average shares used to compute adjusted earnings per share:

Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce Weighted-average shares used to compute earnings per common share: Weighted average shares used to compute adjusted earnings per share: