The company noted net proceeds from the Distribution sale are being used to retire its $600 million 2023 Senior Unsecured Notes and pay down $150 million of its term loan debt as shown below. 3 More details will be provided on the company's third quarter performance and full year outlook during its webcast scheduled for 8:00 a.m. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as adjusted EPS, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort.

Without giving effect to any impacts from the pending acquisition of Dyneema and potential sale of Avient Distribution, the company provided third quarter adjusted EPS guidance of $0.80, a 14% increase from the prior year quarter, and maintained its full year adjusted EPS guidance of $3.50. Avient will be hosting a webcast on Tuesday, July 26, 2022 to discuss second quarter results and provide more details about the Dyneema acquisition and potential sale of its Distribution business. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for adjusted earnings per share, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort.

The current macro environment presents several uncertainties related to policy, inflation, foreign exchange and interest rates which provides for a broader set of potential outcomes for the year,” Ms. The Company does not provide reconciliations of forward-looking non-GAAP financial measures, such as adjusted EPS and adjusted EBITDA, to the most comparable GAAP financial measures on a forward-looking basis because the Company is unable to provide a meaningful or accurate calculation or estimation of reconciling items, and the information is not available without unreasonable effort. In doing so, we innovate solutions that help our customers overcome their challenges or capitalize on opportunities provided by the fast- changing world and secular trends.

You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA and Adjusted Earnings Per Share, to the most comparable GAAP financial measures on a forward-looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. A reconciliation of these measures to their most directly comparable GAAP measures is provided in the tables below. 2024 2023 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 33.6 $ 0.36 $ 22.1 $ 0.24 Special items, after-tax 21.8 0.24 19.6 0.21 Amortization expense, after-tax 14.8 0.16 16.2 0.18 Adjusted net income / EPS $ 70.2 $ 0.76 $ 57.9 $ 0.63 Three Months Ended Reconciliation to EBITDA and Adjusted EBITDA: 2024 2023 Net income from continuing operations – GAAP $ 33.8 $ 22.3 Income tax expense 11.2 10.4 Interest expense, net 26.6 29.4 Depreciation & amortization 44.9 47.6 EBITDA from continuing operations $ 116.5 $ 109.7 Special items, before tax 28.1 21.7 Interest expense included in special items (1.0) — Depreciation & amortization included in special items (0.3) (0.1) Adjusted EBITDA $ 143.3 $ 131.3 Adjusted EBITDA as a percent of sales 16.9 % 15.9 % 1 2024 2023 Sales: Color, Additives and Inks $ 542.0 $ 524.5 Specialty Engineered Materials 308.1 300.8 Corporate (0.4) (0.9) Sales $ 849.7 $ 824.4 Operating income: Color, Additives and Inks $ 86.1 $ 68.0 Specialty Engineered Materials 42.8 39.7 Corporate (56.4) (45.4) Operating income $ 72.5 $ 62.3 Depreciation & amortization: Color, Additives and Inks $ 21.8 $ 25.7 Specialty Engineered Materials 20.8 19.9 Corporate 2.3 2.0 Depreciation & amortization $ 44.9 $ 47.6 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 107.9 $ 93.7 Specialty Engineered Materials 63.6 59.6 Corporate (54.1) (43.4) Other expense, net (0.9) (0.2) EBITDA from continuing operations 116.5 109.7 Special items, before tax 28.1 21.7 Interest expense included in special items (1.0) — Depreciation & amortization included in special items (0.3) (0.1) Adjusted EBITDA $ 143.3 $ 131.3 Adjusted EBITDA as a percent of sales: Color, Additives and Inks 19.9 % 17.9 % Specialty Engineered Materials 20.6 % 19.8 % 2 Year Ended December 31, 2023 Operating income: Color, Additives and Inks $ 259.9 Specialty Engineered Materials 142.5 Corporate (205.6) Operating income $ 196.8 Depreciation & amortization: Color, Additives and Inks $ 98.3 Specialty Engineered Materials 81.5 Corporate 9.0 Depreciation & amortization $ 188.8 Earnings before interest, taxes, depreciation and amortization (EBITDA): Color, Additives and Inks $ 358.2 Specialty Engineered Materials 224.0 Corporate (196.6) Other income, net 5.8 EBITDA from continuing operations 391.4 Special items, before tax 114.6 Interest expense included in special items (2.3) Depreciation & amortization included in special items (1.9) Adjusted EBITDA $ 501.8 3 Avient Q2 2024 Webcast Slides_for website_with non-GAAP_8_5.pdf IR Deck - AVNT-2024.06.30 - 8.02.24 1130AM.pdf Attachment Avient Q2 2024 Webcast Slides_for website_with non-GAAP.pdf AVNT cover slide.pdf

Any samples or developmental material provided by Seller are provided “AS IS” with no warranty as to its performance and such samples or materials shall not create any warranty by sample, which is hereby waived. The act of providing a sample or developmental material does not operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 5. To the extent Seller and Buyer have not executed a separate confidentiality agreement, any and all information provided by or on behalf of Seller shall be treated as confidential and shall only be used by Buyer for the purpose of transactions between the parties.

MEETING FR GOALS IN DATA CABLES WITH AN ALTERNATIVE TO FEP Maxxam FR materials can provide cost savings and improved processing capabilities when used in category 5e cables and above. FEP provides such characteristics, and thus is commonly chosen to provide category cable insulation.

The CORE™ VBX Series of these vinyl powder formulations are designed specifically for use in automotive interiors, providing OEMs with superior haptics for items such as door and instrument panels. With multiple OEM approvals, the VBX Series provides ease of product acceptance and qualification with considerable design flexibility. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

The colorants are provided as color concentrate pellets added to the yarn during spinning in the process known as spin-dyeing. Our team of fiber experts provides guidance to ensure that the desired color intensity and performance are achieved in a cost-efficient way. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.

Successful supplier relationships make Avient the preferred provider of specialized materials, services, and solutions. Should the need arise to return any purchased material, the supplier shall provide Avient the required authorization for prompt material return. 4.3 Contingency / Disaster Recovery Plan Suppliers shall have and maintain a contingency plan or disaster recovery plan for potential catastrophes that may disrupt the flow of products to Avient plants. This document is property of Avient SQM Supplier Quality Manual Sub-Tier Supplier An external provider supplying raw material to an Avient supplier Supplier An external provider supplying raw material to Avient Supplier Corrective Action Evaluation and elimination of a supplier nonconformance through the CAPA process Supplier Nonconformance Product received from a supplier that does not meet customer specifications; process or product that does not meet defined customer or supplier requirement or does not meet an international standard

They provide high mechanical performance within tight specifications. Some of the information arises from laboratory work with small-scale equipment which may not provide a reliable indication of performance or properties obtained or obtainable on larger-scale equipment.