D_21_851633 Page 1 / 5 EXTRAIT Avient S.à r.l. Société à responsabilité limitée Route de Bastogne Parts détenues Nombre 131 000 Administrateur(s) / Gérant(s) Régime de signature statutaire Sous réserve de la Loi Luxembourgeoise et des présents Statuts, la Société est valablement engagée ou représentée à l'égard des tiers par : 10.1 si la Société a un Gérant Unique, la seule signature du Gérant Unique; 10.2 si la Société a plus d'un (1) Gérant, la signature unique de tout Gérant, à condition cependant que si des catégories différentes de Gérants (à savoir Gérant de catégorie A et Gérant de catégorie B) sont nommés, également la signature unique de tout Gérant (y compris par le biais de la représentation); 10.3 la signature unique de toute personne à qui un tel pouvoir aura été délégué conformément à l'Article 11. Kennedy 1855 Réviseur d'entreprises agréé 01/07/2021 Déterminée Date d'expiration du mandat 01/07/2024 Page 5 / 5 Pour extrait conforme [3] Luxembourg, le 16/11/2021 Pour le gestionnaire du registre de commerce et des sociétés [4] [1] Information mise à jour mensuellement sur base de l'article 12§3 de la loi modifiée du 19 décembre 2002 concernant le registre de commerce et des sociétés ainsi que la comptabilité et les comptes annuels des entreprises

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. GUIDANCE 11 14.8% 15.8% Adjusted EBITDA Margin % Better-than-expected margins driven by: • Resilient demand for composites and sustainable solutions which improved mix of higher margin applications • Deceleration of raw material inflation • Cost reduction activities Q1 EBITDA BRIDGE 12 $ millions CAI: Price / Mix 19) Inflation (4) SEM: Price / Mix 6) Inflation (4) Net Price Benefit 17) Wage and Energy Inflation (13) Cost Reductions 8) FX (6) Q1 2023 Actual $134) Adjusted EBITDA Q1 2022 Pro Forma $ 176) Demand (48) • Weak demand conditions in-line with previous expectations • Pricing continues to cover inflation of raw materials, wages and energy U.S. & Canada 40% 38% 17% Q1 2023 SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS 18% 23% Building and 6%Telecommunications END MARKET REVENUE (1) Total company sales and adjusted EBITDA of $846M and $134M, respectively, include intercompany sales eliminations and corporate costs $537M $91M $310M $64M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $134M$846M (1) 13 Q1 2023 SALES BY REGION Yo Y C H A N G E ( E X C L .

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, 2018 and 2021 multiples reflect trailing 12 months EBITDA at December 31. 28 EV / 2023E EBITDA 6.5 8.5 11.0 10.8 16.1 15.5 14.1 14.0 10.3 21.0 19.0 14.3 12.1 11.8 11.7 11.5 9.7 11 21 23 PM AV FM Avient Historic Multiple Avient Specialty Other Specialty / AP P E N DI X 30 Performance Additives 16% Pigments 12% TiO2 Dyestuffs 2% Polyethylene Nylon Polypropylene Styrenic Block Copolymer Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 40% 37% 18% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Building and END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) 9% 32 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 BILLION US & Canada 34% 38% END MARKET REGION 33 34% 21% Building & 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 BILLION US & Canada 52% 35% 34 19% 8%Industrial 16% 9% Defense Building & END MARKET REGION SPECIALTY ENGINEERED MATERIALS 32% 27% 14% Building & 3% 1% Defense 1% (18% of sales) 9% 2022 PROFORMA AVIENT REGIONAL SALES 27% 14% 17% Building & (37% of sales)Transportation 12% Building & US & Canada (40% of sales) 7% 56% 23% 7% Building & 1% LATAM (5% of sales) 3% 35 BY END MARKET 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.

Martorell no.124 08740 Sant Andreu de la Barca Spain 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. 46388 Page 1 of 1 Validity 25. 02. 2024  – 24. 02. 2027 Issue 25. 02. 2024  A.Grisard, President SQS F.

Microsoft Word - 55453- PolyOne Corporation RCMS 2013 Option 2.docx ABS Quality Evaluations Letter Of Conformity Page 1 of 1 This is to confirm that the Environment, Health, Safety and Security Management System of: PolyOne Corporation 33587 Walker Road Avon Lake, OH 44012 U.S.A.

Advantages Recyclability, enhanced toughness, chemical resistance, noise and vibration damping, post-formability, and lower density DURABILITY STRENGTH • Corrosion resistance for marine and deep water applications • Improved shock resistance with aramid fibers • Protection from shrapnel for military barriers • Structural performance in aerospace and marine markets • High tensile strength for industrial applications © 2020 Avient, All Rights Reserved For more information on advanced composites, visit avient.com or call +1.844.4AVIENT http://avient.com

Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com http://www.avient.com/

Avient Pakistan (Private) Limited 1-A/1, Sector-20 Korangi Industrial Area Korangi, Sindh 74900 Pakistan 65536-117317Certificate No: Page 20 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Avient Colorants SA Parc Scientifique Fleming, Fond Jean Pâques 1 Louvain-La-Nueve, Walloon Brabant 1348 Belgium 65536-116977Certificate No: Page 26 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Avient Corporation - Rania, India Survey No.344/1-2-3 Rania Works, Sakarda Bhadarwa Road Rania, Gujarat 391780 65536-117322Certificate No: Page 40 of 53 ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A.

https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf Etik ve Yönetişim • Tüm ticari müzakereleri sorumlu, etik ve yasal bir şekilde yürütün

Density Impact Flexural Tensile HDT Equilibrium Moisture — PKE-GF PA12-GF PA612-GF 5 4 3 2 1 0 Impact Shrink Modulus Chemical Resistance Flexural (Cond.) CO2 Emission Factor — PKE-GF — PA6-GF — PA66-GF HDT Wear Density 5 4 3 2 1 0 Equilibrium Moisture 1: Poor 3: Good 5: Excellent