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. 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) $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. In addition, operating income before the effect of special items is a component of Avient’s annual and long-term employee incentive plans and is used in debt covenant computations.

Beggs added, “We are focused on executing our long-term strategy while we manage in the downturn. 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 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.

Pressure from the media, the scientific community, end-consumers, and legislation is pushing members of the polymer industry value chain to play their part, in proposing alternative sustainable solutions that can perform in terms of recyclability. The ColorMatrix™ Amosorb™ product line currently offers a wide range of masterbatch grades that can be used to address the needs of different beverages or foods in terms of protection from oxygen ingress. Amosorb SolO2 in particular is often utilized for products requiring long-term shelf-life protection from oxygen ingress and/or CO2 egress.

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. In addition, operating income before the effect of special items is a component of Avient’s annual and long-term employee incentive plans and is used in debt covenant computations.

We offer payment terms to our customers that are competitive. Š To develop our expected long-term return on plan assets, we consider historical and forward looking long-term asset returns and the expected investment portfolio mix of plan assets. Short-term investments in common collective funds represent cash and other short-term investments.

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. 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. 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.

The company also noted that it had paid down $100 million of debt and refinanced its Term Loan during the third quarter, reducing the interest rate and extending certain maturities from 2026 to 2029. This reflects the confidence we have in our ability to continue to deliver consistent free cash flow, but more importantly to drive long-term earnings growth from the areas of focus we highlighted at our Sustainability Day in September.” 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 are excited to lay out our long-term growth plans, highlighting our sustainable solutions portfolio as well as provide an update on the synergies expected from the Clariant color business acquisition,” said Jamie Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. 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. 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.

From (years) To (years) Comment Avient CDP Climate Change Questionnaire 2021 Tuesday, August 3, 2021 12 Short-term 0 5 Medium-term 5 15 Long-term 15 30 C2.1b (C2.1b) How does your organization define substantive financial or strategic impact on your business? Time horizon covered by the financial planning process for Access to Capital: long term Such process and guidance are fully integrated in our financial planning, which outlook can span from short term to 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. 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. Published 2030 performance goals, further enhancing our position as a responsible business creating sustainable, long-term value for its stakeholders