2 Omkoping van overheidsfunctionarissen 2 Commerciële omkoping 3 Faciliterende betalingen en smeergeld 3 Werken met vertegenwoordigers, distributeurs en andere derden 3 Due diligence- en goedkeuringsproces 3 Rode vlaggen 4 Vereisten op het gebied van boekhouding en administratie 4 Melden van mogelijke overtredingen 5 Ethische hotline van Avient 5 Bescherming tegen vergelding 5 Snelle verwijzing: ABAC WEL DOEN EN NIET DOEN 6   1 Ons internationale beleid tegen omkoping en corruptie Avient verbiedt ten strengste fraude, omkoping en andere corrupte bedrijfspraktijken bij al onze activiteiten overal ter wereld. subject= http://avient.ethicspoint.com 6 Snelle verwijzing: ABAC WEL DOEN EN NIET DOEN WEL DOEN • Beseffen dat Avient elke vorm van omkoping en corruptie verbiedt en geen faciliterende betalingen toestaat

Rose Vice President, Corporate Communications Avient Corporation +1 440-930-3162 kyle.rose@avient.com 6 Attachment 1 Avient Corporation Summary of 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 Operating income 77.2 34.3 243.7 153.7 Net income from continuing operations attributable to Avient shareholders 38.2 5.1 121.2 48.0 Diluted earnings per share from continuing operations attributable to Avient shareholders $ 0.41 $ 0.06 $ 1.32 $ 0.52 Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results. 2) Tax adjustments include the net tax impact from non-recurring income tax items and certain adjustments to uncertain tax position reserves and valuation allowances. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) September 30, 2024 December 31, 2023 ASSETS Current assets: Cash and cash equivalents $ 505.7 $ 545.8 Accounts receivable, net 465.1 399.9 Inventories, net 377.8 347.0 Other current assets 108.8 114.9 Total current assets 1,457.4 1,407.6 Property, net 973.5 1,028.9 Goodwill 1,716.8 1,719.3 Intangible assets, net 1,542.5 1,590.8 Deferred income taxes 133.1 92.3 Other non-current assets 224.0 129.6 Total assets $ 6,047.3 $ 5,968.5 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 7.8 $ 9.5 Accounts payable 425.9 432.3 Accrued expenses and other current liabilities 460.8 331.8 Total current liabilities 894.5 773.6 Non-current liabilities: Long-term debt 2,059.9 2,070.5 Pension and other post-retirement benefits 63.7 67.2 Deferred income taxes 289.1 281.6 Other non-current liabilities 359.9 437.6 Total non-current liabilities 2,772.6 2,856.9 SHAREHOLDERS' EQUITY Avient shareholders’ equity 2,363.0 2,319.2 Noncontrolling interest 17.2 18.8 Total equity 2,380.2 2,338.0 Total liabilities and equity $ 6,047.3 $ 5,968.5 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Nine Months Ended September 30, 2024 2023 Operating activities Net income $ 122.2 $ 47.8 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 133.1 142.6 Accelerated depreciation 1.2 1.9 Share-based compensation expense 12.5 9.7 Changes in assets and liabilities: Increase in accounts receivable (65.7) (5.7) (Increase) decrease in inventories (30.2) 16.5 Decrease in accounts payable (5.7) (59.1) Taxes paid on gain on sale of business — (104.1) Accrued expenses and other assets and liabilities, net (33.2) (2.5) Net cash provided by operating activities 134.2 47.1 Investing activities Capital expenditures (80.8) (75.0) Net proceeds from divestiture — 7.3 Proceeds from plant closures 3.4 — Other investing activities (2.1) 2.3 Net cash used by investing activities (79.5) (65.4) Financing activities Proceeds from long-term borrowings 650.0 — Payments on long-term borrowings (659.1) (103.8) Cash dividends paid (70.5) (67.6) Debt financing costs (9.6) (2.3) Other financing activities (4.6) (2.3) Net cash used by financing activities (93.8) (176.0) Effect of exchange rate changes on cash (1.0) (7.2) Decrease in cash and cash equivalents (40.1) (201.5) Cash and cash equivalents at beginning of year 545.8 641.1 Cash and cash equivalents at end of period $ 505.7 $ 439.6 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.

Seller may discontinue any Product sold hereunder at any time, unless Buyer and Seller have otherwise agreed in writing. 6.

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Independent Registered Public Accountant Services and Related Fee Arrangements Report of the Audit Committee The Audit Committee of the Board of Directors Director Independence Lead Director Board Leadership Structure Board’s Oversight of Risk Code of Ethics, Code of Conduct and Corporate Governance Guidelines Communication with Board Board and Committees Board Attendance Board Committees AAudit Committee – Primary Responsibilities and Requirements MEETINGS IN 2018: 9 Compensation Committee – Primary Responsibilities and Requirements MEETINGS IN 2018: 5 MEMBERS: Nominating and Governance Committee – Primary Responsibilities and Requirements MEETINGS IN 2018: 4 Environmental, Health and Safety Committee – Primary Responsibilities and Requirements MEETINGS IN 2018: 3 Board Refreshment 0% 20% 40% 60% 80% 100% 5 or fewer 6 to 10 More than 10 Years of Service NON-EMPLOYEE DIRECTOR COMPENSATION 2018 NON-EMPLOYEE DIRECTOR COMPENSATION Role Annual Cash Retainers 2018 Director Compensation Table Fees Earned or Paid in Cash Stock Awards Total (1) NON-EMPLOYEE DIRECTOR COMPENSATION Fees Earned or Paid in Cash (column (a)) Stock Awards (column (b)) Option Awards Outstanding and Fully-Vested Deferred Shares Number of Deferred Shares(1) Beneficial Ownership of Our Common Shares Owned(1) Right to Acquire Shares Total Beneficial Ownership Name and Address Shares % of Shares Stock Ownership Guidelines for Non-Employee Directors Section 16(a) Beneficial Ownership Reporting Compliance Executive Summary Name Title How Pay is Tied to Company Performance.

अदय्तन: फरवर ी, 2021 एकाधिकार व्यापार विरोध पर Avient की वैश्विक नीति विषय अनुपालन के लिए गाइड 1 नीति अवलोकन 1 अमेरिकी एकाधिकारी व्यापार विरोधी कानूनों का अवलोकन 2 एंटीट्रस्ट कानून का उल्लंघन 3 चिंता के एंटीट्रस्ट संभावित क्षेत्र 3 निष्कर्ष 6 संभावित उल्लंघनों की सूचना देना 7 Avient एथिक्स हॉटलाइन 7 प्रतिशोध से सुरक्षा 7 एंटीट्रस्ट चेकलिस्ट 8 त्वरित संदर्भ: एंटीट्रस्ट करने-योग्य और न-करने-योग्य बातें 10 अनुपालन के लिए गाइड Avient बाजार में उचित प्रतिस्पर्धा और मुक्त उद्यम को बढ़ावा देने के लिए प्रतिबद्ध है। 6 संभावित उल्लंघनों की सूचना देना हर उस कर्मचारी, जिसके पास यह मानने का कारण है कि इस नीति का उल्लंघन हुआ है या हो सकता है, नीचे के सभी संसाधनों में से किसी एक या सभी को अपनी चिंता के बारे में तुरंत सूचित करना चाहिए ताकि पूरी तरह से जांच की जा सके। 6.

Politique antitrust mondiale d’Avient Dernière révision : Février 2021 Contenu Présentation de la politique 1 Aperçu des lois antitrust américaines 2 Violation des lois antitrust 3 Domaines potentiellement délicats en matière de lois antitrust 4 Conclusion 6 Signalement des violations potentielles 7 Ligne d’assistance Éthique d’Avient 7 Protection contre les représailles 7 Liste de contrôle des lois antitrust 8 Référence rapide : Choses À FAIRE et À NE PAS FAIRE en matière de lois antitrust 10 Guide de conformité Avient s’engage à promouvoir la concurrence loyale et la libre entreprise sur le marché. Le pouvoir de marché est généralement le pouvoir de contrôler les prix ou d’exclure d’autres personnes du marché. 6 Signalement des violations potentielles Tout employé qui a des raisons de croire qu’une violation de la présente Politique a eu lieu, ou pourrait avoir lieu, doit signaler rapidement le problème à l’une ou toutes les ressources ci-dessous, afin qu’une enquête détaillée puisse être menée Agissez en tout temps d’une manière qui démontrera à tout le monde que vous êtes en compétition vigoureuse. 6.

In 2022, we reduced injuries 6%, and had a recordable incident rate of 0.51 per 100 full-time workers per year, compared to the industry average of 3.40 in 2021. bb) “Restricted Stock” means Common Shares granted or sold pursuant to Section 6 or Section 9 of this Plan as to which neither the substantial risk of forfeiture nor the prohibition on transfers has expired. B-9 6.

Istanbul, Turkey 6. Seabrook, Texas 6. ITEM 6.

Edison, New Jersey 6.  Clinton, Tennessee   6. Pune, India   6.