Operating Globally, Serving Locally — As a truly global company, we have operations and technical expertise around the world to efficiently serve our customers…wherever they may need us. D is t. ) K W R P P G A V Y F U L R P M G C P F M C H X L H U N E C L A S H E M N C E S C L Source: Peer data per Bloomberg market data as of November 8, 2021 Avient reflects 2021 estimated revenue of $4,750M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Avient Specialty Formulators Other Chemical/Specialty Companies Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $580M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Source: Peer data per Bloomberg market data as of November 8, 2021 86 93 85 83 79 77 75 89 85 83 81 79 79 78 77 74 25 A vi en t K W R P P G A V Y F U L R P M G C P F M C U N V R C E B N R H X L A S H E C L E M N H U N S C L A L B (10) Source: Peer data per Bloomberg market data as of November 8, 2021 Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below many of our specialty formulator peers.

However, it is complex and requires advanced data to more accurately predict how a material will realistically perform in an end-use application. Digimat for long fibre reinforced materials Advanced simulation captures part performance for fibre reinforced thermoplastics Comparing the results of isotropic material data to anisotropic material data Case study https://hexagon.com/ Figure 2: Digimat material model workflow when coupled with an FEA solver Manufacturing Intelligence hexagonmi.com2 Solution Avient leveraged Digimat to reverse-engineer material data based on the microstructure, tensile test data, and micro-mechanical modelling. Avient and Hexagon used Digimat to develop anisotropic long fibre material data for a molded connector rod.

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Users shall store any personal files, notes, pictures, and emails in a separate and clearly identifiable folder labelled “PERSONAL EMAIL” or “PERSONAL FILES” such that Personal Data is always separate and readily distinguishable within Information Systems from Avient Data or otherwise Confidential Data. Personal Data additionally includes any non-Avient data of a private nature, such as login information for personal email, social media, or subscription service accounts, personal documents, and notes. Confidential Data” – all confidential or proprietary information, including any Avient Data, Personal Data, and third party data accessible or stored on Information Systems.

Codice fiscale: 03669670121 Denominazione del soggetto alla data della denuncia: POLYONE S.A' R.L. compravendita Data atto: 21/12/2018 Data deposito: 11/01/2019 estremi della pratica Data protocollo: 11/01/2019 Numero protocollo: MI-2019-11024 estremi ed oggetto dell'atto Notaio: TODESCHINI EDMONDO Numero repertorio: 27363/11576 Cedente: MAGENTA MASTER FIBERS S.R.L. Codice fiscale: 03669670121 Denominazione del soggetto alla data della denuncia: POLYONE S.A' R.L. compravendita Data atto: 21/12/2018 Data deposito: 11/01/2019 estremi della pratica Data protocollo: 11/01/2019 Numero protocollo: MI-2019-11025 Registro Imprese Archivio ufficiale della CCIAA Documento n . Codice fiscale: 03669670121 Denominazione del soggetto alla data della denuncia: POLYONE S.A' R.L. rettifica di cessione di azienda Data atto: 05/06/2019 Data deposito: 18/06/2019 estremi della pratica Data protocollo: 18/06/2019 Numero protocollo: MI-2019-264861 estremi ed oggetto dell'atto Notaio: TODESCHINI EDMONDO Numero repertorio: 28607/12187 Cedente: POLYONE ITALY SRL Codice fiscale: 02216820023 Denominazione del soggetto alla data della denuncia: POLYONE ITALY S.R.L.

Entry door 1-page case study EXTERIOR DOORS R E S I D E N T I A L & C O M M E R C I A L Reinforcement of steel to reduce weight and provide: • Corrosion resistance • Improved dent resistance to withstand windborne debris • Structural performance to meet regional wind load requirements • Improved resistance to corrosion and moisture degradation • Increased dent resistance up to 60% vs. unreinforced metal • Enabled reduction in thickness of sheet metal while maintaining structural performance Polystrand™ PETG continuous fiber reinforced composite laminate thermally bonded to steel door skin KEY REQUIREMENTS WHY AVIENT?

LEARN MORE TIER 2 MOLDER P A N E L F O R C O N S T R U C T I O N V E H I C L E S • Transition from painting extruded sheet (3-5mm) to molded-in color for two different thermoplastics • UV stability • Good appearance for visible part • Expedited approved solution that delivered the appearance and performance of a painted part • Developed formulations for two materials- PMMA and ABS • Offered aluminum appearance and required UV stability SmartBatch™ FX for Paint Replacement KEY REQUIREMENTS WHY AVIENT?

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SAFETY & HEALTH INDEMNITY Buyer acknowledges that Seller has furnished to Buyer Material Safety Data Sheets as required under applicable laws and regulations, which include warnings together with safety and health information concerning the Product and/or the containers for such Product. DATA PROTECTION Buyer hereby agrees that any data in relation with the business relationship between Buyer and Seller may be processed by Seller, in compliance with applicable laws and regulations. 15.