Avient Corporation y sus subsidiarias y filiales ("Avient'') se comprometen a ser una organización sostenible de categoría mundial. Avient prohíbe el soborno comercial o las comisiones ilegales. Comunicaciones externas sobre Avient requieren el consentimiento previo por escrito de Avient

DRIVING INNOVATION AND VALUE At Avient, we understand what you value and put our deep knowledge of polymers, formulations, and polymer processing to work for you. Color collaboration design services – Working with you at the earliest stages of development, our experts offer ideas, inspiration and technical guidance on colors for plastics so you can integrate high-impact concepts early to save time and money. 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

ECert - 2020-11-17T151438.723.pdf Page 1 of 2 Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. ABS Quality Evaluations This is to certify that the Quality Management System of: Avient Corporation 4921 I D A Park Drive Lockport, NY 14094 U.S.A. Activity: Continuous Improvement, Contract Review, Customer Service, Human Resource, Information Technologies, Internal Audit Management, Logistics, Marketing, Product Design, Purchasing, Sales, Supplier Management

Avient Corporation ve bağlı kuruluşları ve iştirakleri ("Avient'') dünya standartlarında sürdürülebilir bir kuruluş olmayı taahhüt etmektedir. Avient ticari rüşveti veya rüşveti yasaklar. Avient ile ilgili dış iletişimler Avient'in önceden yazılı onayını gerektirir

Page 102 Critical Imperatives – Medium to Long Term • Continue cultural and paradigm shift from commodity compounder to collaborative formulator as One PolyOne • Accelerate innovation and leverage megatrends to improve our mix of business with higher-margin improve our mix of business with higher-margin specialty products • Increase specialty contribution and advance globalization via acquisitions • Drive relentless execution and creative innovation as key competitive differentiators Page 103 2011 Proforma ColorMatrix 2015 Target “Where we are” “Where we expect to be” 1) Operating Income % Specialty 8.9% PP&S 7.2% 12 – 16% 9 – 12% Elevating our Expectations and Yours PP&S 7.2% Distribution 5.6% 2) Specialty Platform % of Operating Income 50% 3) ROIC* (after-tax) 10% 4) Adjusted Annual EPS Growth 3 yr CAGR = 71% 9 – 12% 6 – 7.5% 65 – 75% 15% Double Digit Expansion *ROIC is defined as TTM adjusted OI divided by the sum of average debt and equity over a 5 quarter period Page 104

About Avient   Their  collection communities collect and exchange ocean-bound plastic waste as currency for income and life-improving benefits, including health, work and life insurance, digital connectivity, grocery vouchers, school supplies, fintech services, and more. Avient Announces Quarterly Dividend...

Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. To provide comparable results, the company references “pro forma” financial metrics, which include the business results of Avient Protective Materials for periods prior to the Acquisition Date, as if the transaction occurred on January 1, 2021 and reflect Distribution as a discontinued operation. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 38 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.6 13.2 13.0 12.8 11.3 8.6 17.9 16.8 10.7 8.8 8.8 8.7 7.5 6.9 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 ) K W R P P G R P M A V Y F U L E C L H X L F M C S C L C E A S H E M N H U N 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.

That means fewer steps in your process and one less thing to worry about. 1 Test reports available upon request BEYOND PRICE TAGS FULL SPEED AHEAD ONE-STEP FIRE SAFETY STRENGTH YOU CAN COUNT ON FR COMPOSITE PANELS BEYOND PRICE TAGS FULL SPEED AHEAD ONE-STEP FIRE SAFETY STRENGTH YOU CAN COUNT ON • Full Speed Ahead: In modular construction, every saved hour counts. They turned to Avient’s panels as a smarter alternative to traditional materials. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

CONDITIONS GENERALES DE VENTE Les présentes conditions générales régissent la vente de Produits (« Produit(s) ») à une autre personne (« Acheteur ») par Avient Corporation et ses sociétés affiliées (« Vendeur »). 1. Droit des tiers. https://www.avient.com/company/policies-and-governance/avient-corporation-privacy-statement 27.

www.avient.com Copyright © 2020, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. www.avient.com Copyright © 2020, Avient Corporation.