Alla avients medarbetare måste bekräfta och godkänna att de har läst och förstått denna uppförandekod, och att de efterlever den. På Avient så vill vi bygga sådana relationer därför att de ligger i långtidsintresset för Avient och de kunder och leverantörer med vilka vi gör affärer. Det är viktigt att vi alla arbetar med de högsta etiska standarderna.

Reciprocal Dealing—Any agreement with a customer that says, “I will buy from you provided that you buy from me 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 http://www.avient.com Quick Reference: Antitrust DO’s and DON’Ts Antitrust Checklist Protection from Retaliation Avient Ethics Hotline Conclusion Antitrust Potential Areas of Concern Antitrust Law Violations An Overview of U.S.

I feel I should report it but I am nervous about how my manager will respond if I do so—she might make my job more difficult for me. Q & A Q: Someone just asked me to hold the door open for them to help them enter one of our buildings. I understand and acknowledge that it is my responsibility to seek guidance and/or clarification on any section of the Code of Conduct that is unclear to me.

Just a few months ago, we completed the acquisition of the Clariant Masterbatch business, the largest acquisition in the 20-year history of our company. We then de-lever back below 3.0x within two years. Such is the case with the Clariant Masterbatch acquisition, where strong free cash flow will allow us to de-lever quickly. 19 AV I E N T I S M O D E S T LY L EV ER ED 1.

Just a few months ago, we completed the acquisition of the Clariant Masterbatch business, the largest acquisition in the 20-year history of our company. We then de-lever back below 3.0x within two years. Such is the case with the Clariant Masterbatch acquisition, where strong free cash flow will allow us to de-lever quickly. 19 AV I E N T I S M O D E S T LY L E V E R E D 1.

Avient Colorants MX S.A. de C.V. Plasticos 28 Santa Clara Coatitla 55540 Ecatepec de Morelos, Estado de México Mexico Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines Normative base ISO 22000:2018 Food Safety Management Systems Requirements for any organization in the food chain Reg. no. 46389 Validity 25. 02. 2021 – 24. 02. 2024 Issue 30. 06. 2021 Swiss Made sqs.ch F.

View PDF The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned. 7 0 0 1 _1 /A p ri l 2 0 2 2 /V er si o n 2 .0 Certificate Avient Colorants MX S.A. de C.V. Plasticos 28, int B102 Santa Clara Coatitla 55540 Ecatepec de Morelos, Estado de México Mexico Scope Category I Production of customer specific Masterbatches for Food packaging materials on the dedicated extrusion lines.

Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 28 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.5 13.8 12.7 12.6 11.3 8.7 18.6 16.5 10.1 10.0 9.7 9.5 9.4 8.7 A vi e n t (2 0 1 1 ) A vi e n t (2 0 1 8 ) A vi e n t (2 0 2 3 ) R P M P P G A V Y K W R F U L E C L H X L F M C A S H S C L H U N C E E M N Avient Specialty Formulators Other Specialty / Chemical Companies SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 30 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2 0 2 2 R E V E N U E | $ 2 . 4 B I L L I O N US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 31 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR , AD DI TI VES & INKS 2 0 2 2 P R O F O R M A R E V E N U E | $ 1 . 3 B I L L I O N US & Canada 52% EMEA 35% Asia 13% 32 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPEC IA LTY ENGI NEER ED MATERI ALS Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2 0 2 2 P R O F O R M A AV I E N T R E G I O N A L S A L E S Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 33 B Y E N D M A R K E T Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) 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. Three Months Ended June 30, 2023 Three Months Ended June 30, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 22.1 $ 0.24 $ 62.8 $ 0.68 Special items, after tax 19.6 0.21 3.2 0.03 Amortization expense, after-tax 16.2 0.18 $ 10.5 $ 0.12 Adjusted net income / EPS $ 57.9 $ 0.63 $ 76.5 $ 0.83 Three Months Ended June 30, Six Months Ended June 30, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 2023 2022 Net income from continuing operations – GAAP $ 22.3 $ 62.8 $ 43.6 $ 127.5 Income tax expense 10.4 22.7 18.1 42.7 Interest expense, net 29.4 16.2 58.2 33.1 Depreciation and amortization 47.6 36.5 98.1 74.3 EBITDA from continuing operations $ 109.7 $ 138.2 $ 218.0 $ 277.6 Special items, before tax 21.7 0.9 49.0 7.6 Depreciation and amortization included in special items (0.1) (1.1) (1.9) (3.2) Adjusted EBITDA $ 131.3 $ 138.0 $ 265.1 $ 282.0 Pro forma APM adjustments — 34.3 — 66.3 Pro forma adjusted EBITDA $ 131.3 $ 172.3 $ 265.1 $ 348.3 Pro forma adjusted EBITDA as a % of sales 15.9 % 17.4 % 15.9 % 17.6 % 1 AVNT August IR Presentation IR Deck - AVNT-2023.06.30 7.24 1217PM non GAAP attachment Attachment

Three Months Ended

• Prise en charge totale de la certification du produit final pour les normes EN13432 et EN17033 • Formulé avec des pigments testés et approuvés par un organisme certifié OnColor™ Bio-Colorants PRINCIPALES EXIGENCES POURQUOI AVIENT ?