WALL PARTITION MANUFACTURER F O O D P R O C E S S I N G E N V I R O N M E N T S • Decrease growth of microbes on plastic surfaces that come in contact with food products • Compatibility with sheet extrusion processing • Maintain all other functional attributes inherent to product, such as ROHS, flame retardant standards, and specific brand color • Seamlessly incorporated multifunctional additives for optimal performance in reducing microbe growth • Developed custom formulation for complex processing configurations in sheet extrusion technology • Provided expertise in antimicrobial performance, chemical resistance, flame retardance, and regulatory product stewardship Cesa™ WithStand™ Antimicrobial Additives and Smartbatch™ Combination Colorants and Additives KEY REQUIREMENTS WHY AVIENT?

Safety Data Sheets For selected products, click here, or contact your sales representative. Technical Data Sheets For selected products, click here, or contact your sales representative. Information that Avient considers as confidential and will not communicate through questionnaires:  Building and facilities figures  Workforce effective  Organization charts  Shift organization  Unions affiliations  Customers  Suppliers  Procedures  Work instructions  Quality Manuals  FMEA/CCP  Control plans http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/sustainability/sustainability-report/people/human-rights https://www.avient.com/company/policies-and-governance-0/code-conduct https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library https://www.avient.com/resources/safety-data-sheets https://www.avient.com/resources/technical-data-sheets https://www.avient.com/company/sustainability/people/safety https://www.avient.com/company/sustainability/sustainability-report/planet/energy-ghg-emissions https://www.avient.com/investors/investor-news?

as applicable) 4.2.2 Customer Description 4.2.3 Manufacturer’s Product Code 4.2.4 Manufacturer's Lot Number 4.2.5 Quantity and Units (Example 25 lbs.) 4.2.6 Company Name 4.2.7 Date of Manufacture 4.2.8 Expiration Date (as applicable) 5.0 SUPPORTING DOCUMENTATION 5.1 Certification: Each shipment of product will be accompanied by a Certification that, at the time of shipment, the material conforms to the Product Specifications. 5.1.1 Certification document will include: 5.1.1.1 Customer Part Number 5.1.1.2 Customer Purchase Order Number 5.1.1.3 Customer Material Description 5.1.1.4 Manufacturer's Lot Number 5.1.1.5 Total quantity shipped (with units) 5.1.1.6 Test values (as applicable) 5.1.2 Certification will be sent with each product shipment, addressed to the Customer’s shipping location and/or electronically sent to appropriate Customer contact. 5.1.3 The Certification document may contain test values conducted by NEU on the product for those characteristics listed under certification. 5.2 Safety Data Sheets: A Safety Data Sheet will be made available upon request or may be available on NEU’s website. The SDS is supplied to the shipping location from where the product is ordered. 5.3 Technical Data Sheets: A Technical Data Sheet will be made available on NEU proprietary technologies upon request. 5.4 Sales Order Confirmation: A documented response confirming acceptance of a Customer purchase order. 5.5 Regulatory Documents: A document referencing the then-current regulatory status of the applicable product(s) at the time of shipment.

Tailor your material selections to balance application demands with cost and performance

Nymax / Bergamid formulations are made using both nylon 6 and nylon 6/6 grades to provide a good balance of properties.

Mevopur™ formulations for PCR well plates prevent 'cross-talk' and minimize phosphorescence with optimally dispersed TiO2, while balancing melt flow and physical properties, and ensuring quality through ISO 13485:2016 certification.

Three Months Ended March 31, 2023 Three Months Ended March 31, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 20.8 $ 0.23 $ 64.4 $ 0.70 Special items, after tax (Attachment 3) 22.3 0.24 6.4 0.07 Amortization expense, after-tax 15.1 0.16 10.8 0.12 Adjusted net income / EPS $ 58.2 $ 0.63 $ 81.6 $ 0.89 8 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2023 2022 Sales $ 845.7 $ 892.2 Cost of sales 598.1 637.8 Gross margin 247.6 254.4 Selling and administrative expense 190.5 152.2 Operating income 57.1 102.2 Interest expense, net (28.8) (16.9) Other income (expense), net 0.7 (0.6) Income from continuing operations before income taxes 29.0 84.7 Income tax expense (7.7) (20.0) Net income from continuing operations 21.3 64.7 (Loss) income from discontinued operations, net of income taxes (0.9) 19.8 Net income 20.4 84.5 Net income attributable to noncontrolling interests (0.5) (0.3) Net income attributable to Avient common shareholders $ 19.9 $ 84.2 Earnings (loss) per share attributable to Avient common shareholders - Basic: Continuing operations $ 0.23 $ 0.70 Discontinued operations (0.01) 0.22 Total $ 0.22 $ 0.92 Earnings (loss) per share attributable to Avient common shareholders - Diluted: Continuing operations $ 0.23 $ 0.70 Discontinued operations (0.01) 0.21 Total $ 0.22 $ 0.91 Cash dividends declared per share of common stock $ 0.2475 $ 0.2375 Weighted-average shares used to compute earnings per common share: Basic 91.0 91.5 Diluted 91.8 92.3 9 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended March 31, 2023 2022 Cost of sales: Restructuring costs, including accelerated depreciation $ (6.6) $ (4.4) Environmental remediation costs (1.4) (2.0) Reimbursement of previously incurred environmental costs — 0.6 Impact on cost of sales (8.0) (5.8) Selling and administrative expense: Restructuring, legal and other (15.7) 1.9 Acquisition related costs (3.4) (2.9) Impact on selling and administrative expense (19.1) (1.0) Impact on operating income (27.1) (6.8) Other income (loss), net (0.2) 0.1 Impact on income from continuing operations before income taxes (27.3) (6.7) Income tax expense (benefit) on above special items 6.9 1.8 Tax adjustments(2) (1.9) (1.5) Impact of special items on net income from continuing operations $ (22.3) $ (6.4) Diluted earnings per common share impact $ (0.24) $ (0.07) Weighted average shares used to compute adjusted earnings per share: Diluted 91.8 92.3 (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 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, 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. (2) Tax adjustments include the net tax impact from non-recurring income tax items, adjustments to uncertain tax position reserves and changes to valuation allowances. 10 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) March 31, 2023 December 31, 2022 ASSETS Current assets: Cash and cash equivalents $ 582.7 $ 641.1 Accounts receivable, net 484.4 440.6 Inventories, net 371.9 372.7 Other current assets 125.3 115.3 Total current assets 1,564.3 1,569.7 Property, net 1,045.7 1,049.2 Goodwill 1,689.7 1,671.9 Intangible assets, net 1,601.7 1,597.6 Other non-current assets 209.8 196.6 Total assets $ 6,111.2 $ 6,085.0 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term debt $ 2.2 $ 2.2 Accounts payable 448.1 454.4 Accrued expenses and other current liabilities 386.9 412.8 Total current liabilities 837.2 869.4 Non-current liabilities: Long-term debt 2,177.7 2,176.7 Pension and other post-retirement benefits 66.2 67.2 Deferred income taxes 332.5 342.5 Other non-current liabilities 329.0 276.4 Total non-current liabilities 2,905.4 2,862.8 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,349.8 2,334.5 Noncontrolling interest 18.8 18.3 Total equity 2,368.6 2,352.8 Total liabilities and equity $ 6,111.2 $ 6,085.0 11 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Three Months Ended March 31, 2023 2022 Operating Activities Net income $ 20.4 $ 84.5 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 48.7 35.7 Accelerated depreciation 1.8 2.1 Share-based compensation expense 3.2 3.2 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (40.2) (118.8) Decrease (increase) in inventories 3.8 (15.1) (Decrease) increase in accounts payable (9.9) 90.5 Accrued expenses and other assets and liabilities, net (50.0) (63.2) Net cash (used) provided by operating activities (22.2) 18.9 Investing activities Capital expenditures (20.3) (13.3) Net proceeds from divestiture 7.3 — Net cash used by investing activities (13.0) (13.3) Financing activities Purchase of common shares for treasury — (15.8) Cash dividends paid (22.5) (21.7) Repayment of long-term debt (0.8) (2.4) Other financing (2.3) (3.9) Net cash used by financing activities (25.6) (43.8) Effect of exchange rate changes on cash 2.4 (0.4) Decrease in cash and cash equivalents (58.4) (38.6) Cash and cash equivalents at beginning of year 641.1 601.2 Cash and cash equivalents at end of period $ 582.7 $ 562.6 12 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income and earnings before interest, taxes, depreciation and amortization (EBITDA) at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets.2 T RAN S FO R MAT IO NAL OVE RV IE W Avient Protective Materials Dyneema ® RECENT TRANSACTIONS Acquired Divested $1.45 B $0.95 B 4 Distribution UPDATED CAPITAL STRUCTURE & LIQUIDITY • Proceeds from completed sale of Distribution used to pay near-term maturing debt to strengthen balance sheet • Fixed/floating debt ratio of ~55/45 • Proven track record of deleveraging following major acquisitions through strong free cash flow generation • 2022 pro forma net debt/adjusted EBITDA expected to be 3.1x $725 $725 $575 $500 $600 $525 $650 $650 $600 Capital Structure Cash $544 Undrawn Revolver $250 Liquidity $3.15B $2.40B 2030 Notes 2029 Term Loan 2026 Term Loan 2025 Notes 2023 Notes After Dyneema Acquisition After Distribution Divestiture $794M (1) (1) $250M reflects estimated undrawn revolver following the divestiture of Distribution 5 PREVIOUS TRANSACTIONS Performance Solutions Products & $0.8 B COLOR $1.4 B Acquired (2020)Divested (2019) 6 • Acquisition of Clariant Color business significantly expanded presence in healthcare, packaging and consumer end markets • Strength of portfolio – double-digit annual EBITDA growth since acquisition • $75 million of realized synergies anticipated in 2022 • Acquisition completed on July 1, 2020 for $1.45 billion.

Accordingly, we are taking a balanced view considering these factors and our better-than-expected first quarter performance, and raising the low end of our full year guidance. Three Months Ended March 31, 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 49.4 $ 0.54 $ 20.8 $ 0.23 Special items, after-tax (Attachment 3) 5.5 0.06 22.3 0.24 Amortization expense, after-tax 14.9 0.16 15.1 0.16 Adjusted net income / EPS $ 69.8 $ 0.76 $ 58.2 $ 0.63 7 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended March 31, 2024 2023 Sales $ 829.0 $ 845.7 Cost of sales 550.8 598.1 Gross margin 278.2 247.6 Selling and administrative expense 184.2 190.5 Operating income 94.0 57.1 Interest expense, net (26.6) (28.8) Other (expense) income, net (0.9) 0.7 Income from continuing operations before income taxes 66.5 29.0 Income tax expense (16.8) (7.7) Net income from continuing operations 49.7 21.3 Loss from discontinued operations, net of income taxes — (0.9) Net income 49.7 20.4 Net income attributable to noncontrolling interests (0.3) (0.5) Net income attributable to Avient common shareholders $ 49.4 $ 19.9 Earnings (loss) per share attributable to Avient common shareholders - Basic: Continuing operations $ 0.54 $ 0.23 Discontinued operations — (0.01) Total $ 0.54 $ 0.22 Earnings (loss) per share attributable to Avient common shareholders - Diluted: Continuing operations $ 0.54 $ 0.23 Discontinued operations — (0.01) Total $ 0.54 $ 0.22 Cash dividends declared per share of common stock $ 0.2575 $ 0.2475 Weighted-average shares used to compute earnings per common share: Basic 91.2 91.0 Diluted 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 March 31, 2024 2023 Cost of sales: Restructuring costs, including accelerated depreciation $ 3.6 $ (6.6) Environmental remediation costs (4.0) (1.4) Impact on cost of sales (0.4) (8.0) Selling and administrative expense: Restructuring and employee separation costs (0.7) (11.3) Legal and other (3.5) (4.4) Acquisition related costs (1.6) (3.4) Impact on selling and administrative expense (5.8) (19.1) Impact on operating income (6.2) (27.1) Other income (loss), net — (0.2) Impact on income from continuing operations before income taxes (6.2) (27.3) Income tax benefit on above special items 1.4 6.9 Tax adjustments(2) (0.7) (1.9) Impact of special items on net income from continuing operations $ (5.5) $ (22.3) Diluted earnings per common share impact $ (0.06) $ (0.24) Weighted average shares used to compute adjusted earnings per share: Diluted 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. (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 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) March 31, 2024 December 31, 2023 ASSETS Current assets: Cash and cash equivalents $ 444.3 $ 545.8 Accounts receivable, net 475.3 399.9 Inventories, net 354.0 347.0 Other current assets 117.1 114.9 Total current assets 1,390.7 1,407.6 Property, net 1,021.7 1,028.9 Goodwill 1,700.1 1,719.3 Intangible assets, net 1,546.5 1,590.8 Other non-current assets 217.1 221.9 Total assets $ 5,876.1 $ 5,968.5 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 9.6 $ 9.5 Accounts payable 428.3 432.3 Accrued expenses and other current liabilities 294.2 331.8 Total current liabilities 732.1 773.6 Non-current liabilities: Long-term debt 2,069.4 2,070.5 Pension and other post-retirement benefits 66.3 67.2 Deferred income taxes 280.0 281.6 Other non-current liabilities 390.5 437.6 Total non-current liabilities 2,806.2 2,856.9 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,321.3 2,319.2 Noncontrolling interest 16.5 18.8 Total equity 2,337.8 2,338.0 Total liabilities and equity $ 5,876.1 $ 5,968.5 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Three Months Ended March 31, 2024 2023 Operating activities Net income $ 49.7 $ 20.4 Adjustments to reconcile net income to net cash used by operating activities: Depreciation and amortization 43.8 48.7 Accelerated depreciation 0.5 1.8 Share-based compensation expense 3.3 3.2 Changes in assets and liabilities: Increase in accounts receivable (81.9) (40.2) (Increase) decrease in inventories (12.3) 3.8 Increase (decrease) in accounts payable 1.7 (9.9) Accrued expenses and other assets and liabilities, net (47.6) (50.0) Net cash used by operating activities (42.8) (22.2) Investing activities Capital expenditures (24.4) (20.3) Net proceeds from divestiture — 7.3 Proceeds from plant closures 2.0 — Other investing activities (2.1) — Net cash used by investing activities (24.5) (13.0) Financing activities Cash dividends paid (23.5) (22.5) Repayment of long-term debt (2.7) (0.8) Other financing activities (1.9) (2.3) Net cash used by financing activities (28.1) (25.6) Effect of exchange rate changes on cash (6.1) 2.4 Decrease in cash and cash equivalents (101.5) (58.4) Cash and cash equivalents at beginning of year 545.8 641.1 Cash and cash equivalents at end of period $ 444.3 $ 582.7 11 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income and earnings before interest, taxes, depreciation and amortization (EBITDA) at the segment level does not include: special items as defined in Attachment 3; corporate general and administration costs that are not allocated to segments; intersegment sales and profit eliminations; share-based compensation costs; and certain other items that are not included in the measure of segment profit and loss that is reported to and reviewed by the chief operating decision maker.

Operating Income $3,783 $4,100 2020PF 2021E Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,300 2020PF 2021E $308 $360 2020PF 2021E $308 $410 2020PF 2021E $1.93 $2.40 2020PF 2021E $1.93 $2.80 2020PF 2021E (1) (1)(1) (1)(1) (1) (in millions) (in millions) $442 $457 $560 2019PF 2020PF 2021E $1.74 $1.93 $2.80 2019PF 2020PF 2021E FULL YEAR 2019 – 2021 ORGANIC GROWTH (TOTAL COMPANY) 23 Sales Adjusted EBITDA $3,981 $3,783 $4,300 2019PF 2020PF 2021E + 8% Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition (1) (1) (in millions) (in millions) (1)(1) + 27% + 61% (1) (1) 24 BALANCE SHEET • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x 2019PF 2020PF 2021E Net Debt / Adjusted EBITDA (1) (1) ($ in millions) 2021E Adjusted EBITDA 560$ Free Cash Flow 275$ Total Debt 1,860 Less: Cash (800) Net Debt 1,060$ 2021E Net Debt / Adjusted EBITDA 1.9x (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition PEER COMPARISONS 25 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.