Knowsley, Merseyside, L34 9GT Unity Grove, Knowsley Business Park Liverpool, United Kingdom Phone: +44 151 632 8800 IQAP Masterbatch Group Headquarters & Factory Carretera de Vic a Olot (C153) km.5 08510 Masies de Roda Phone: +34 938 500 066 PolyOne Luxembourg S.à r.l 19 Route de Bastogne L9638 Pommerloch, Luxembourg Phone: +35 226 905 035 Asia/Pacific Magenta Master Fibers Co., Ltd. Rachatewa, Bangplee Samutprakarn, Thailand, 10540 Phone: +66 232 791 00 Americas The ColorMatrix Corporation 680 North Rocky River Drive Berea, 44017 OH, USA Phone: +1 216 622 0100 Innovation Center & Manufacturing Plant 2900 Shawnee Industrial Way Suwanee, GA, United States, 30024 Phone: +1 770 271 5900 ColorMatrix do Brasil Indústria e Comércio de Pigmentos e Aditivos Ltda. 13295-000 Itupeva, SP Brazil Av.

La entidad local de la jurisdicción para la que solicita el puesto actuará como controlador de datos respecto a sus datos personales. 1. Ejemplo: está solicitando un puesto en PolyOne Canada, Inc. Fecha de entrada en vigor: 1 de agosto de 2020

L'entità Avient locale di competenza, per la quale stai presentando domanda di assunzione, agirà in qualità di responsabile del trattamento dei dati, relativamente ai tuoi dati personali. 1. Esempio: ti stai candidando per una posizione presso PolyOne Canada, Inc. I componenti del dipartimento responsabile negli Stati Uniti (Avient Corporation) e, naturalmente, l'ufficio risorse umane in Canada (PolyOne Canada, Inc.) sono coinvolti nella gestione della tua domanda.

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 20 11 20 18 20 21 20 23 R P M A V Y P P G K W R FU L E C L H X L S C L C E FM C A S H H U N E M N Avient Historic Multiple Avient Specialty Formulators Other Specialty / Chemical Companies A P P E N D I X 30 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% 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 RA W MATERIAL BASKET 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% 32 (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 33 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR, ADDITIVES & 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% 34 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS 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% 35 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.

NeuThane 70A, 40% BaSO4, PolyOne 1% TiO2 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)