TPU TRANS BLACK UV DK. MARITIME BLUE 19-3831TPG 2

UV DK. T.I.E GRAY R45 MB Alt #2 BLACK 2C PA12

The show, one of China's top medical technology exhibitions, starts today.  Newly Expanded Manufacturing of NEU™ Custom Capabilities and NEUSoft™ Thermoplastics Polyurethanes for catheter applications: now produced in Suzhou, China, offering customized services and rapid response times to customers from Asia Pacific, a series of ultra-soft TPUs for short-term in-vivo applications that are available in custom colors with excellent ultraviolet (UV) stability and barrier properties, offer good elasticity, resistance to abrasions and tears, barrier properties, and melt strength for use in a host of catheter applications, including cardiovascular, intravenous, and other specialty segments . Medical-grade pharmaceutical packaging solutions: oxygen scavenging additives, amber and white colorants, and white HDPE for MVTR (Moisture Vapor Transmission rate) reduction to protect drugs or nutraceuticals against UV light, moisture, and oxygen that cause product degradation.

BLUE TINT UV V3 PP COOL GREY 9C UV V2 STARLING PURPLE 519C 2

Adjusted free cash flow for 2023 was $186 million, slightly ahead of expectations. 2 2024 Outlook “In the first quarter, we expect demand to continue to improve in our two largest end markets, packaging and consumer, as destocking comes to an end and our sustainable solutions portfolio expands. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. 2) Tax adjustments include the net tax impact from non-recurring income tax items, adjustments to uncertain tax position reserves and the establishment, reversal or changes to valuation allowances. 9 Special items (1) Three Months Ended March 31, 2023 Cost of sales: Restructuring costs, including accelerated depreciation $ (6.6) Environmental remediation costs (1.4) Impact on cost of sales (8.0) Selling and administrative expense: Restructuring and employee separation costs (11.3) Legal and other (4.4) Acquisition related costs (3.4) Impact on selling and administrative expense (19.1) Impact on operating income (27.1) Other loss (0.2) Impact on income from continuing operations before income taxes (27.3) Income tax expense on above special items 6.9 Tax adjustments(2) (1.9) Impact of special items on net income from continuing operations $ (22.3) Diluted earnings per common share impact $ (0.24) Weighted average shares used to compute adjusted earnings per share: Diluted 91.8 (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; employee separation costs resulting from personnel reduction programs, plant realignment costs, executive separation agreements; asset impairments; settlement gains or losses and mark-to- market adjustments associated with 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, 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

UV ALMOND 2 NEU-110E TESLA BLACK 814 10038815 BLACK

DEEP BLACK GREAT DANE GRAY PP 2 DB3892 BLACK

BLACK PET FR CMPD IV G07 BLACK T20P100 FLAMINGO PINK 2

BLACK PP UV BLACK GRANITE TRANS PINK 1594 2 MB

UV WHITE 2 ABS UV KENWORTH DK. SILCOPAS BLACK