Investing in Innovation — Specialty companies invest to grow, so we ensure our resources are concentrated on material science for high-growth end markets, poised for value creation in the long term. It’s important to note that future revenue synergies through increased innovation and commercial excellence are not part of these estimates and will represent additional growth over the long term. In the near term we expect substantial earnings and cash flow gains as we emerge from the COVID-19 pandemic.

We offer payment terms to our customers that are competitive. Under the terms of the amended senior secured term loan, the margin was reduced by 25 basis points to 175 basis points. Under the terms of the amended senior secured term loan, the margin was reduced by 25 basis points to 175 basis points.

Long-Term Incentive. The SARs have an exercise term of ten years. Patterson’s outstanding long-term incentive awards will continue to vest in accordance with their terms in connection with his continued employment as Special Advisor.

Under the terms of the amended senior secured term loan, the margin was reduced by 25 basis points to 275 basis points. Under the terms of the amended senior secured term loan, the margin was reduced by 25 basis points to 275 basis points. Short-term investments in common collective funds represent cash and other short-term investments.

Khandpur added, “Despite the near-term uncertainties in the macro environment, we remain focused on what we can control: staying close to our customers and executing our strategy. Building off our strong performance in 2024, I remain optimistic in our team’s ability to achieve the long-term financial targets we shared at Investor Day last December.” 3 Webcast Details Avient will provide additional details on its 2024 fourth quarter and full year results, as well as its 2025 full year outlook during its webcast scheduled for 8:00 a.m. They use words such as "will," "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales.

We offer payment terms to our customers that are competitive. Under the terms of the amended senior secured term loan, the margin was reduced by 25 basis points to 175 basis points. Under the terms of the amended senior secured term loan, the margin was reduced by 25 basis points to 175 basis points.

The inclusion of these additives can help a cable to pass flame resistance tests, even if the resin originally used is not flame retardant • Cesa™ Light Additives: UV light stabilizers that improve weather resistance and provide long term protection against weather degradation • Semi-conductive TPU formulations to enhance cable performance • Cesa™ Laser Additives: Includes laser-marking additives for durable cable marking. They provide excellent contrast for dark or light colors with high resistance to external friction or chemicals • Smartbatch™ Combination Colorants & Additives: Combines colorants and performance enhancing additives in a single formulation for easier dosing. e.g., long-term light stabilization additive and custom color in one pellet.

They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance and/or sales In addition, operating income before special items is a component of various PolyOne annual and long-term employee incentive plans

Investing in Innovation — Specialty companies invest to grow, so we ensure our resources are concentrated on material science for high-growth end markets, poised for value creation in the long term. Whether it’s an ambitious start-up bringing a new product to market, or a large, multi- national OEM looking for consistency and reliability of global supply, Avient is built for long-term partnerships. That’s Avient. 21,000+ CUSTOMERS >75% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 6 AV I E N T ’ S VA LUE C R E AT I O N L E V E R S 7 Exposure to high growth end markets Investment in commercial resources and innovation Strong free cash flow generation / capital deployment Clariant Masterbatch synergies COVID recovery Re-Rating: Current share price valuation Avient is poised for near-term and long-term shareholder value creation.

They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial condition, performance and/or sales. 2) Tax adjustments include the net tax benefit/(expense) from one-time income tax items, adjustments to uncertain tax position reserves and deferred income tax valuation allowances. 10 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (Unaudited) (In millions) Year Ended December 31, 2021 2020 ASSETS Current assets: Cash and cash equivalents $ 601.2 $ 649.5 Accounts receivable, net 642.3 516.6 Inventories, net 461.1 327.5 Other current assets 128.1 108.5 Total current assets 1,832.7 1,602.1 Property, net 676.1 694.9 Goodwill 1,286.4 1,308.1 Intangible assets, net 925.2 1,008.5 Operating lease assets, net 74.1 80.9 Other non-current assets 208.4 176.0 Total assets $ 5,002.9 $ 4,870.5 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 8.6 $ 18.6 Accounts payable 553.9 471.7 Current operating lease obligations 24.2 25.1 Accrued expenses and other current liabilities 359.6 285.6 Total current liabilities 946.3 801.0 Non-current liabilities: Long-term debt 1,850.3 1,854.0 Pension and other post-retirement benefits 100.0 115.0 Deferred income taxes 100.6 140.0 Non-current operating lease obligations 50.1 56.0 Other non-current liabilities 165.1 192.8 Total non-current liabilities 2,266.1 2,357.8 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,774.7 1,697.1 Noncontrolling interest 15.8 14.6 Total equity 1,790.5 1,711.7 Total liabilities and equity $ 5,002.9 $ 4,870.5 11 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Year Ended December 31, 2021 2020 Operating activities Net income $ 230.6 $ 133.4 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 144.2 111.8 Accelerated depreciation 1.7 3.2 Share-based compensation expense 11.2 11.3 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (143.1) (4.6) (Increase) decrease in inventories (139.5) 40.2 Increase in accounts payable 95.3 78.4 (Decrease) increase in pension and other post-retirement benefits (10.9) 30.7 Increase in post-acquisition earnout liabilities — 1.0 Increase (decrease) in accrued expenses and other assets and liabilities, net 44.3 (3.7) Taxes paid on gain on divestiture — (142.0) Payment of post-acquisition date earnout liability — (38.1) Net cash provided by operating activities 233.8 221.6 Investing activities Capital expenditures (100.6) (63.7) Business acquisitions, net of cash acquired (47.6) (1,380.2) Net proceeds from divestiture — 7.1 Other investing activities (2.0) 5.2 Net cash used by investing activities (150.2) (1,431.6) Financing activities Debt offering proceeds — 650.0 Purchase of common shares for treasury (4.2) (22.4) Cash dividends paid (77.7) (71.3) Repayment of long-term debt (18.5) (7.8) Payments on withholding tax on share awards (10.7) (2.3) Debt financing costs — (9.5) Equity offering proceeds, net of underwriting discount and issuance costs — 496.1 Payment of acquisition date earnout liability — (50.8) Other financing activities (3.5) — Net cash (used) provided by financing activities (114.6) 982.0 Effect of exchange rate changes on cash (17.3) 12.8 Decrease in cash and cash equivalents (48.3) (215.2) Cash and cash equivalents at beginning of year 649.5 864.7 Cash and cash equivalents at end of year $ 601.2 $ 649.5 12 Attachment 6 Avient Corporation Business Segment Operations (Unaudited) (In millions) Operating income 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. In addition, operating income before the effect of special items is a component of Avient annual and long-term employee incentive plans and is used in debt covenant computations.