In the event of Buyer’s breach or failure to perform, Seller shall be entitled to (but is not required to) recover from Buyer, in addition to any other damages caused by such action: (i) in the case of Product produced specifically for Buyer or which reasonably cannot be resold by Seller to a third-party, the price of such Product as quoted in Seller’s order confirmation; or (ii) in the case of Product which can be resold by Seller, damages equal to fifty percent (50%) of the price for the Product as quoted in Seller’s order confirmation, as liquidated damages. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order. In case of discrepancy between the English version and the Italian version of these Terms, the English version shall be the applicable and prevailing one.

Unless in case of willful misconduct or gross negligence, in no event shall Seller have liability to Buyer for any incidental, consequential, indirect, exemplary, punitive or special damages. Unless in case of willful misconduct or gross negligence, in no event shall Seller be liable for any damages and/or costs due to delay in delivery. In case Buyer is required to disclose the information by virtue of a court order or statutory duty, Buyer shall immediately inform Seller and reasonably cooperate with Seller should it seek to obtain a protective order.

Avient's investor day will be held at the New York Stock Exchange beginning at 10:00 a.m. Three Months Ended September 30, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 38.2 $ 0.41 $ 5.1 $ 0.06 Special items, after-tax (Attachment 3) 6.6 0.07 32.0 0.35 Amortization expense, after-tax 15.0 0.16 15.2 0.16 Adjusted net income / EPS $ 59.8 $ 0.65 $ 52.3 $ 0.57 (1) Per share amounts may not recalculate from figures presented herein due to rounding Nine Months Ended September 30, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 121.2 $ 1.32 $ 48.0 $ 0.52 Special items, after-tax (Attachment 3) 33.9 0.37 73.9 0.81 Amortization expense, after-tax 44.7 0.49 46.5 0.51 Adjusted net income / EPS $ 199.8 $ 2.17 $ 168.4 $ 1.84 (1) Per share amounts may not recalculate from figures presented herein due to rounding 7 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended September 30, Nine Months Ended September 30, 2024 2023 2024 2023 Sales $ 815.2 $ 753.7 $ 2,493.9 $ 2,423.8 Cost of sales 553.8 558.4 1,696.7 1,740.2 Gross margin 261.4 195.3 797.2 683.6 Selling and administrative expense 184.2 161.0 553.5 529.9 Operating income 77.2 34.3 243.7 153.7 Interest expense, net (26.9) (30.3) (80.1) (88.5) Other (expense) income, net (0.3) 1.0 (2.1) 1.5 Income from continuing operations before income taxes 50.0 5.0 161.5 66.7 Income tax (expense) benefit (11.3) 0.1 (39.3) (18.0) Net income from continuing operations 38.7 5.1 122.2 48.7 Loss from discontinued operations, net of income taxes — — — (0.9) Net income $ 38.7 $ 5.1 $ 122.2 $ 47.8 Net income attributable to noncontrolling interests (0.5) — (1.0) (0.7) Net income attributable to Avient common shareholders $ 38.2 $ 5.1 $ 121.2 $ 47.1 Earnings (loss) per share attributable to Avient common shareholders - Basic: Continuing operations $ 0.42 $ 0.06 $ 1.33 $ 0.53 Discontinued operations — — — (0.01) Total $ 0.42 $ 0.06 $ 1.33 $ 0.52 Earnings (loss) per share attributable to Avient common shareholders - Diluted: Continuing operations $ 0.41 $ 0.06 $ 1.32 $ 0.52 Discontinued operations — — — (0.01) Total $ 0.41 $ 0.06 $ 1.32 $ 0.51 Cash dividends declared per share of common stock $ 0.2575 $ 0.2475 $ 0.7725 $ 0.7425 Weighted-average shares used to compute earnings per common share: Basic 91.3 91.1 91.3 91.1 Diluted 92.3 91.9 92.0 91.8 8 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended September 30, Nine Months Ended September 30, 2024 2023 2024 2023 Cost of sales: Restructuring costs, including accelerated depreciation $ 1.8 $ (2.1) $ 5.6 $ (9.9) Environmental remediation costs (2.4) (38.1) (28.2) (52.5) Impact on cost of sales (0.6) (40.2) (22.6) (62.4) Selling and administrative expense: Restructuring and employee separation costs (3.1) (2.0) (6.6) (13.8) Legal and other (4.3) 1.7 (10.1) (9.1) Acquisition related costs (0.4) (0.5) (2.5) (4.6) Impact on selling and administrative expense (7.8) (0.8) (19.2) (27.5) Impact on operating income (8.4) (41.0) (41.8) (89.9) Interest expense, net - financing costs (1.3) (2.2) (2.3) (2.2) Other income (loss) — — 0.1 (0.1) Impact on income from continuing operations before income taxes (9.7) (43.2) (44.0) (92.2) Income tax benefit on special items 3.5 10.8 11.9 23.2 Tax adjustments(2) (0.4) 0.4 (1.8) (4.9) Impact of special items on net income from continuing operations $ (6.6) $ (32.0) $ (33.9) $ (73.9) Diluted earnings per common share impact $ (0.07) $ (0.35) $ (0.37) $ (0.81) Weighted average shares used to compute adjusted earnings per share: Diluted 92.3 91.9 92.0 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

Polyester is a favored polymer to recycle and reprocess in different industries and this is also the case for the fiber industry.

With each customer success stor y, there is a potential case study that allows us to step back, self-reflect, learn and get better. In some cases, 1 float generates enough energy to power 375 homes for a year*. Generous PolyOne associates last year contributed 130 care packages for seniors, purchased gifts for 77 children, filled 75 stockings and 51 baskets of household items for families.

Cash dividends declared per share of common stock Stock based compensation expense Exercise of stock awards

Cash dividends declared per share of common stock Stock based compensation expense Exercise of stock awards

KEY CHARACTERISTICS • Excellent lot-to-lot and within-lot consistency for high-quality homogeneous black shades • Easy processing and support of a long-lasting spin pack lifetime • Fastness properties and specification tolerances on par with high-end products on the market • Standard and bluish undertones available in high pigment loadings for an efficient and competitive coloration package • Can be combined with additives into a single combination concentrate for convenience • Compliance with global, regional, and local standards and regulations* RECOMMENDED USE • In most cases, the concentrate is added directly to the resin using gravimetric or volumetric dosing units; for some processes, the concentrate can be added via a side stream extruder (direct spinning) • The recommended dosages are from 3% for the typical automotive, technical, and carpet applications and up to 6% for apparel, footwear, and home textile yarns * Contact your local sales representative for more information on regulatory compliance PRODUCT BULLETIN Copyright © 2022, Avient Corporation.

REPLACING METAL WITH VINYL SHINES A LIGHT ON VALUE CASE STUDY: GEON™ M5705 OUR CUSTOMER SAVED $500,000 BY MAKING THE SWITCH FROM METAL TO GEON VINYL MATERIALS

They also play a crucial role in protecting electrical substations and power plants, as highlighted in this Glasforms Case Study.