تأكیدًا كافیًا لتلك الدفعة مقللمنتجات نقدًا مقدًما أو یقدم القائمة وفي أي من تلك األحوال الواردة أعاله، تصبح جمیع مطالبات البائع والتي ،مستحقة وواجبة السداد على الفور بشأن المنتجات المسلمة إلى المشتري لم یسترد البائع حیازتھا. 10. Buyer must notify Seller of such acquisition within 10 (ten) days thereof. Within 10 (ten) days after receipt of such notice, Seller may exercise its right to terminate the order confirmation by giving Buyer written notice. .

Updated 08/04/2022 7 Clause 10 Data subject rights a. Although Clause 5 of the Approved EU SCCs sets out that the Approved EU SCCs prevail over all related agreements between the parties, the parties agree that, for Restricted Transfers, the hierarchy in Section 10 will prevail. 10. Clause 10 Data subject rights a.

Nasz Kodeks postępowania 2023 Spis treści Przesłanie od Dyrektora Generalnego 1 Nasza wizja i strategia 2 Wartości podstawowe i osobiste 2 Nasz Kodeks postępowania Wytyczne etycznego postępowania 4 Wartości osobiste 4 Rozwiewanie wątpliwości i zgłaszanie przypadków nieprzestrzegania przepisów 6 Infolinia ds. etyki 6 Zakaz podejmowania działań odwetowych 6 Stosowanie Kodeksu postępowania 7 Naruszenia postanowień Kodeksu 7 Szacunek dla wszystkich Równość szans 9 Dyskryminacja albo nękanie 9 Relacje w miejscu pracy 9 Nadużywanie substancji psychoaktywnych 10 Bezpieczeństwo i przemoc w miejscu pracy 10 Uczciwość w pracy Dokładne informacje, dane i dokumenty 12 Uczciwość księgowa 12 Komunikacja Spółki 14 Ochrona i korzystanie z aktywów 14 Informacje zastrzeżone i poufne, pomysły i własność intelektualna 14 Prywatność, dane osobowe i ochrona danych 15 Informacje o korzystaniu z Internetu i poczty elektronicznej 15 Media i portale społecznościowe 16 Bezpieczeństwo komputerów, licencjonowane oprogramowanie i prawa autorskie 16 Informacje wewnętrzne oraz obrót papierami wartościowymi na podstawie informacji poufnych 16 Datki na cele polityczne/charytatywne oraz Działalność Polityczna 17 Czynności wyjaśniające prowadzone przez organy rządowe i zapytania ze strony organów rządowych 17 Uczciwość w działalności biznesowej Uczciwe prowadzenie działalności handlowej 19 Łapówki i nielegalne prowizje 19 Agenci i konsultanci 20 Konkurencja 20 Upominki oraz przejawy gościnności 20 Konflikty interesów 21 Wykorzystanie informacji poufnych 22 Handel międzynarodowy 22 Społeczna odpowiedzialność biznesu Zrównoważony rozwój 24 Bezpieczeństwo, zdrowie i ekologia 24 Bezpieczeństwo produktów i usług 25 Przestrzeganie praw człowieka 25 Wspólne zobowiązanie 25 Dane kontaktowe 26 1 Spis treści Przesłanie od dyrektora generalnego Szanowni Pracownicy Avient! W zależności od przepisów obowiązujących w poszczególnych krajach, do cech tych zaliczane są m.in.: • rasa • wyznanie • płeć • pochodzenie etniczne • wiek • orientacja seksualna • stosunek do służby wojskowej albo status weterana • stan cywilny albo sytuacja rodzinna • niepełnosprawność • ciąża i macierzyństwo • narodowość 10 Spis treści Nadużywanie substancji psychoaktywnych Wszyscy jesteśmy zobowiązani do tego, by podejmować odpowiednie działania, które zapewnią, że będziemy pracować w środowisku, w którym nie spożywa się alkoholu, nie przyjmuje narkotyków ani innych kontrolowanych substancji Avient surowo zabrania nielegalnego posiadania, wytwarzania, dystrybucji, wydawania, sprzedaży oraz spożywania substancji kontrolowanych i narkotyków na terenie spółki (w tym także na parkingach) albo podczas odbywania podróży służbowych (dotyczy to także posiadania, dystrybucji, wydawania, sprzedaży i używania akcesoriów związanych z narkotykami). Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazylia Tel. +55 11 4593 9200 Europa Regional Headquarters Pom- merloch, Luksemburg 19 Route de Bastogne Pommer- loch, Luksemburg, L-9638 Tel. +352 269 050 35 Faks: +352 269 050 45 www.avient.com https://www.avient.com

OUR CODE OF CONDUCT ISSUED OCTOBER 2024 TABLE OF CONTENTS Introduction: A Message from the CEO 1 Our Code of Conduct Guidelines for Ethical Behavior 3 Personal Values 3 Your Responsibilities 4 Additional Responsibilities of Avient Supervisors and Managers 4 Resolving Questions and Reporting Non-Compliance Situations 5 Ethics Hotline 5 Non Retaliation 6 Code of Conduct Application 6 Violations of the Code 6 Respect for All Diversity and Inclusion 8 Discrimination or Harassment 8 Workplace Relationships 9 Substance Abuse 10 Physical Security and Workplace Violence 10 Honesty at Work Accurate Information, Data and Records 12 Accounting Integrity 12 Company Communications 14 Safeguarding and Use of Assets 14 Proprietary and Confidential Information, Ideas and Intellectual Property 15 Privacy, Personal Information and Data Protection 16 Internet and E-mail Use 16 Social Media and Social Networking 17 Computer Security, Software Licensing and Copyrights 17 Insider Information and Trading 18 Political Contributions/Activities and Charitable Contributions 19 Government Investigations and Inquiries 19 Integrity in Our Business Fair Dealing 21 Bribery and Kickbacks 21 Agents and Consultants 22 Competition 22 Gifts and Hospitality 23 Conflicts of Interest 24 Self-Dealing 25 International Trade 25 Money Laundering 25 Corporate Social Responsibility Sustainability 27 Safety, Health and Environment 28 Product and Service Safety 29 Respecting Human Rights 29 A Shared Commitment 29 Resources and Contact Information Our Policies 30 Internal Contacts 30 Ethics Hotline 30 A Message from the CEO Dear Avient Team, Our company decisions have far-reaching implications in today’s complex and interconnected world. TABLE OF CONTENTS INTRODUCTION OUR CODE OF CONDUCT RESPECT FOR ALL HONESTY AT WORK INTEGRITY IN OUR BUSINESS CORPORATE SOCIAL RESPONSIBILITY RESOURCES CODE OF CONDUCT | 10 Honesty at Work Our reputation for honesty is of significant value to our customers, suppliers, shareholders and other stakeholders, to each of us personally and to Avient. Francisco Nakasato, 1700 13295-000 Itupeva Sao Paulo, Brazil Telephone: +55 11 4593 9200 Europe Regional Headquarters Pommerloch, Luxembourg 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Telephone: +352 269 050 35 Fax: +352 269 050 45 www.avient.com https://www.avient.com Acknowledgment of Compliance with Avient’s Code of Conduct Instructions: Please read, sign and return this document to Human Resources.

Physical Property of TPE-1 and TPE-2 Properties TPE-1A TPE-1B TPE-2A TPE-2B Shore A Hardness (10 second delay) 44 43 51 56 Specific Gravity (g/cm3) 0.90 0.92 0.93 0.93 300 % Modulus (MPa) 2.4 3.2 3.0 3.6 Tensile Strength (MPa) 4.1 5.2 7.0 7.5 Elongation at Break (%) 598 500 721 713 Tear Strength (N/mm) 19 20 24.5 23 Table 2. T P E - 1A T P E - 1A T P E - 1B T P E - 1B 4.1 4.2 2.5 2.3 5.2 5.5 3.2 3.3 TPE-1A, -1B Tensile Properties 0 500 E lo ng at io n at b re ak (% ) 7 days at RT 7 days at 70C TPE-1A TPE-1B 574 569 564 546 TPE-1A, -1B Tensile Properties 0 10 20 Te ar s tr en gt h (N /m m ) 7 days at RT 7 days at 70C TPE-1A TPE-1B 22.6 20.2 21.5 21.5

• • • 測試方法：FTTS-FA-010-2007 4.2 設備：紅外線熱像儀 熱源：500W鹵素燈 熱輻射距離：100 cm 加入Cesa紅外蓄熱纖維添加劑 加熱10分鐘後表面溫度：33.85°C 溫度變化：+13.6°C 測試方法 0.9 9°C 8.9°C 5.6°C 0.625 +12.9% +13.6% +1.7% www.avient.com 標準要求 測試結果 GB/T 30127 遠紅外線性能 GB/T 18319-2019 光蓄熱性能 FTTS-FA-010 紅外線性能及蓄熱升溫 GB/T 11048-2008 Method A 熱舒適性 熱阻性能 單位：CLO 人體生理實驗 遠紅外線發射率 ≥0.88 (5-14um) （測試溫度:34°C） 遠紅外線輻射溫升值 ≥1.4°C 最高允許溫升值 ≥6°C 平均溫升值 ≥4.4°C（20分鐘） 平均發射率 ≥ 0.8 (2-22um) （測試溫度: 25°C) 0.81 規定加熱ΔT ≥ 0.5°C （相對於標準） +5.34°C (ΔT) 裸體：0 內褲：0.04 T恤：0.09 厚毛衣：0.35 冬季大衣：0.7 上述所有資料均為參考值 血流量 血流速 血氧濃度（%SpO2） 請聯絡您的埃萬特業務代表以了解 您所在國家或地區是否有售。

The resolution was adopted pursuant to Ohio Revised Code section 1701.70(B) (In this space insert the number 1 through 10 to provide basis for adoption.)

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. 2) Tax adjustments include the net tax benefit/ (expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 10 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) 2022年9月30日 2021年12月31日 ASSETS Current assets: Cash and cash equivalents $ 544.4 $ 601.2 Accounts receivable, net 504.6 439.9 Inventories, net 441.5 305.8 Current assets held for sale 367.8 360.2 Other current assets 130.0 119.9 Total current assets 1,988.3 1,827.0 Property, net 965.4 672.3 Goodwill 1,491.0 1,284.8 Intangible assets, net 1,525.7 925.2 Operating lease assets, net 56.0 58.2 Non-current assets held for sale — 22.0 Other non-current assets 280.7 207.7 Total assets $ 6,307.1 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 613.9 $ 8.6 Accounts payable 448.7 429.5 Current operating lease obligations 18.1 21.1 Current liabilities held for sale 170.3 141.3 Accrued expenses and other current liabilities 304.6 340.2 Total current liabilities 1,555.6 940.7 Non-current liabilities: Long-term debt 2,502.9 1,850.3 Pension and other post-retirement benefits 91.6 99.9 Deferred income taxes 210.4 100.6 Non-current operating lease obligations 35.7 37.3 Non-current liabilities held for sale — 13.1 Other non-current liabilities 174.8 164.8 Total non-current liabilities 3,015.4 2,266.0 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,720.4 1,774.7 Noncontrolling interest 15.7 15.8 Total equity 1,736.1 1,790.5 Total liabilities and equity $ 6,307.1 $ 4,997.2 11 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Nine Months Ended 2022年9月30日 2021 Operating Activities Net income $ 158.5 $ 201.7 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 110.3 105.8 Accelerated depreciation 4.0 1.9 Share-based compensation expense 9.5 8.4 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (66.5) (199.7) Increase in inventories (12.5) (156.2) Increase in accounts payable 43.5 95.3 Decrease in pension and other post-retirement benefits (15.8) (14.2) (Decrease) increase in accrued expenses and other assets and liabilities, net (7.1) 67.0 Net cash provided by operating activities 223.9 110.0 Investing activities Capital expenditures (55.1) (62.7) Business acquisitions, net of cash acquired (1,426.1) (47.6) Settlement of foreign exchange derivatives 93.3 — Net cash proceeds used by other assets — (2.0) Net cash used by investing activities (1,387.9) (112.3) Financing activities Debt proceeds 1,300.0 — Purchase of common shares for treasury (36.4) (4.2) Cash dividends paid (65.2) (58.2) Repayment of long-term debt (6.8) (16.5) Payments of withholding tax on share awards (4.2) (9.1) Debt financing costs (49.3) — Other financing activities — (3.5) Net cash provided (used) by financing activities 1,138.1 (91.5) Effect of exchange rate changes on cash (30.9) (10.5) Decrease in cash and cash equivalents (56.8) (104.3) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of period $ 544.4 $ 545.2 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.

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 Three Months Ended 2022年12月31日 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net (loss) income from continuing operations attributable to Avient shareholders $ (17.0) $ (0.19) $ 11.2 $ 0.12 Special items, after tax (Attachment 3) 38.3 0.42 23.9 0.26 Amortization expense, after-tax 14.6 0.16 11.3 0.12 Adjusted net income / EPS $ 35.9 $ 0.39 $ 46.4 $ 0.50 (1) Per share amounts may not recalculate from figures presented herein due to rounding Year Ended 2022年12月31日 2021 Reconciliation to Condensed Consolidated Statements of Income $ EPS(1) $ EPS(1) Net income from continuing operations attributable to Avient shareholders $ 82.8 $ 0.90 $ 151.8 $ 1.65 Special items, after tax (Attachment 3) 116.2 1.26 50.0 0.54 Amortization expense, after-tax 49.0 0.53 44.9 0.49 Adjusted net income / EPS $ 248.0 $ 2.69 $ 246.7 $ 2.68 (1) Per share amounts may not recalculate from figures presented herein due to rounding 9 Attachment 2 Avient Corporation Condensed Consolidated Statements of Income (Unaudited) (In millions, except per share data) Three Months Ended December 31, Year Ended 2022年12月31日 2021 2022 2021 Sales $ 790.4 $ 807.1 $ 3,396.9 $ 3,315.5 Cost of sales 618.4 590.5 2,514.2 2,371.7 Gross margin 172.0 216.6 882.7 943.8 Selling and administrative expense 171.6 166.4 639.4 664.1 Operating income 0.4 50.2 243.3 279.7 Interest expense, net (49.4) (17.5) (119.8) (75.2) Other expense, net (28.4) (5.3) (59.7) (1.0) (Loss) income from continuing operations before income taxes (77.4) 27.4 63.8 203.5 Income tax benefit (expense) 60.8 (17.1) 19.3 (51.9) Net (loss) income from continuing operations (16.6) 10.3 83.1 151.6 Income from discontinued operations, net of income taxes 561.5 18.7 620.3 79.0 Net income 544.9 29.0 703.4 230.6 Net (income) loss attributable to noncontrolling interests (0.4) 0.9 (0.3) 0.2 Net income attributable to Avient common shareholders $ 544.5 $ 29.9 $ 703.1 $ 230.8 Earnings per share attributable to Avient common shareholders - Basic: Continuing operations $ (0.19) $ 0.12 $ 0.91 $ 1.66 Discontinued operations 6.17 0.21 6.80 0.87 Total $ 5.98 $ 0.33 $ 7.71 $ 2.53 Earnings per share attributable to Avient common shareholders - Diluted: Continuing operations $ (0.19) $ 0.12 $ 0.90 $ 1.65 Discontinued operations 6.17 0.20 6.73 0.86 Total $ 5.98 $ 0.32 $ 7.63 $ 2.51 Cash dividends declared per share of common stock $ 0.2475 $ 0.2375 $ 0.9600 $ 0.8750 Weighted-average shares used to compute earnings per common share: Basic 91.0 91.5 91.2 91.4 Diluted 91.0 92.4 92.2 92.1 10 Attachment 3 Avient Corporation Summary of Special Items (Unaudited) (In millions, except per share data) Special items (1) Three Months Ended December 31, Year Ended 2022年12月31日 2021 2022 2021 Cost of sales: Restructuring costs, including accelerated depreciation $ (21.3) $ (6.0) $ (31.1) $ (14.6) Environmental remediation costs (0.4) (0.5) (24.2) (22.9) Reimbursement of previously incurred environmental costs — — 8.3 4.5 Acquisition related costs (23.8) 0.6 (34.1) (0.6) Impact on cost of sales (45.5) (5.9) (81.1) (33.6) Selling and administrative expense: Restructuring, legal and other (8.3) (4.2) (8.3) (5.9) Acquisition related costs (6.1) (1.1) (19.3) (8.3) Impact on selling and administrative expense (14.4) (5.3) (27.6) (14.2) Impact on operating income (59.9) (11.2) (108.7) (47.8) Interest expense, net - committed financing and debt extinguishment (16.0) — (26.0) — Mark-to-market on derivatives — — (30.9) — Pension and post retirement mark-to-market adjustment and other (28.4) (9.3) (28.4) (9.3) Impact on Other expense, net (28.4) (9.3) (59.3) (9.3) Impact on income from continuing operations before income taxes (104.3) (20.5) (194.0) (57.1) Income tax benefit benefit/(expense) on above special items 26.8 4.1 49.4 13.0 Tax adjustments(2) 39.2 (7.5) 28.4 (5.9) Impact of special items on net income from continuing operations $ (38.3) $ (23.9) $ (116.2) $ (50.0) Diluted earnings per common share impact $ (0.42) $ (0.26) $ (1.26) $ (0.54) Weighted average shares used to compute adjusted earnings per share: Diluted 91.7 92.4 92.2 92.1 (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, joint ventures and equity investments; 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

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. 5 Non-GAAP Financial Measures The Company uses both GAAP (generally accepted accounting principles) and non-GAAP financial measures. 2) Tax adjustments include the net tax benefit/(expense) from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. 9 Attachment 4 Avient Corporation Condensed Consolidated Balance Sheets (In millions) (Unaudited) 2022年6月30日 2021年12月31日 ASSETS Current assets: Cash and cash equivalents $ 645.1 $ 601.2 Accounts receivable, net 752.6 642.3 Inventories, net 494.0 461.1 Other current assets 128.4 122.4 Total current assets 2,020.1 1,827.0 Property, net 638.9 676.1 Goodwill 1,256.8 1,286.4 Intangible assets, net 867.2 925.2 Operating lease assets, net 62.7 74.1 Other non-current assets 197.9 208.4 Total assets $ 5,043.6 $ 4,997.2 LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Short-term and current portion of long-term debt $ 607.7 $ 8.6 Accounts payable 634.0 553.9 Current operating lease obligations 21.4 24.2 Accrued expenses and other current liabilities 307.5 353.9 Total current liabilities 1,570.6 940.6 Non-current liabilities: Long-term debt 1,249.1 1,850.3 Pension and other post-retirement benefits 95.0 100.0 Deferred income taxes 106.6 100.6 Non-current operating lease obligations 41.8 50.1 Other non-current liabilities 154.7 165.1 Total non-current liabilities 1,647.2 2,266.1 SHAREHOLDERS' EQUITY Avient shareholders’ equity 1,809.7 1,774.7 Noncontrolling interest 16.1 15.8 Total equity 1,825.8 1,790.5 Total liabilities and equity $ 5,043.6 $ 4,997.2 10 Attachment 5 Avient Corporation Condensed Consolidated Statements of Cash Flows (Unaudited) (In millions) Six Months Ended 2022年6月30日 2021 Operating Activities Net income $ 169.2 $ 149.1 Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization 71.1 69.5 Accelerated depreciation and amortization 3.2 1.4 Share-based compensation expense 6.3 5.6 Changes in assets and liabilities, net of the effect of acquisitions: Increase in accounts receivable (133.2) (196.1) Increase in inventories (45.9) (88.1) Increase in accounts payable 98.5 108.4 Decrease in pension and other post-retirement benefits (9.9) (9.2) (Decrease) increase in accrued expenses and other assets and liabilities, net (52.6) 27.5 Net cash provided by operating activities 106.7 68.1 Investing activities Capital expenditures (34.0) (42.1) Settlement of cross-currency swaps 75.1 — Net cash proceeds used by other assets — (2.0) Net cash provided (used) by investing activities 41.1 (44.1) Financing activities Purchase of common shares for treasury (36.4) (4.2) Cash dividends paid (43.5) (38.8) Repayment of long-term debt (4.4) (4.4) Payments of withholding tax on share awards (4.1) (4.2) Net cash used by financing activities (88.4) (51.6) Effect of exchange rate changes on cash (15.5) (5.7) Increase (decrease) in cash and cash equivalents 43.9 (33.3) Cash and cash equivalents at beginning of year 601.2 649.5 Cash and cash equivalents at end of period $ 645.1 $ 616.2 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.