The webcast can be viewed live at avient.com/investors, or by clicking here: https://edge.media-server.com/mmc/p/yrq7mgm9.To participate in the audio-only portion of the call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 7899765.  To access, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 7899765.

Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 O P E N I N G RE MARK S B O B P A T T E R S O N C H A I R M A N , P R E S I D E N T A N D C E O Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 4 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations5 6 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 6 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results vs.

The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 21.

OUR CUSTOMER SUPPORT ACTIVITIES INCLUDE: • Food and Drug Administration (FDA) compliance support • Compliance with National Inventories • Biocompatibility compliance • REACH – European Legislation on Registration, Evaluation, Authorization and Restriction of Chemicals • Restriction on Hazardous Substances (RoHS) and Waste Electrical   and Electronic Equipment (WEEE) electronics compliance • Data entry into the International Material Database System (IMDS) • Hazardous communication, including safety data sheets (SDS) and labeling GENERATING REGULATORY COMPLIANCE DOCUMENTATION INCLUDING: • California Proposition 65 • European Food Contact • Individual Customer Restricted Substance lists • Drug Master Files • Medical Application Files • Food and Drug Administration Certification • Potable Water Certification Contact us if you have questions or for specific information on your application’s regulatory compliance requirements.

Der Käufer erkennt an und sichert zu, dass er mit 15 (“Items”), including the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR) and the trade sanctions regulations administered by the U.S. UN-KAUFRECHT The United Nations Convention on Contracts for the International Sale of Goods shall not apply to sales under these Terms. Buyer acknowledges and represents that it is familiar with and shall strictly comply with all applicable laws and regulations concerning the trade, export or re-export of products, services, data or technology (“Items”), including the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR) and the trade sanctions regulations administered by the U.S.

Informações de Contato Caso você tenha quaisquer dúvidas ou preocupações sobre esta Declaração de Privacidade e nossas práticas de privacidade, entre em contato conosco aqui: Formulário de solicitação do titular dos dados US/Canada Avon Lake, United States Global Headquarters Innovation Center Sales Office Manufacturing Plant Avon Lake, OH, United States, 44012 EMEA Pommerloch / Luxembourg Salce Office Regional Headquaters PolyOne S.à r.l., Avient Luxembourg S.à r.l., 19 Route de Bastogne Pommerloch, Luxembourg, L-9638 Latin America Sales Office Manufacturing Plant Regional Headquarters Francisco Nakasato, 1700 Avenue, São Roque da Chave Itupeva, São Paulo, Brazil, 13295-000 Encarregado de Proteção de Dados no Brasil: Fabio Rodrigo Pinardi Lgpd@avient.com * Este canal é exclusivamente destinado às interações entre a Autoridade Nacional de Proteção de Dados (ANPD) e a Avient, não devendo ser utilizado para outros fins. Informações de Contato Caso você tenha quaisquer dúvidas ou preocupações sobre esta Declaração de Privacidade e nossas práticas de privacidade, entre em contato conosco aqui: Formulário de solicitação do titular dos dados US/Canada Avon Lake, United States Global Headquarters Innovation Center Sales Office Manufacturing Plant Avon Lake, OH, United States, 44012 EMEA Pommerloch / Luxembourg Salce Office Regional Headquaters PolyOne S.à r.l., * Este canal é exclusivamente destinado às interações entre a Autoridade Nacional de Proteção de Dados (ANPD) e a Avient, não devendo ser utilizado para outros fins.

Buyer acknowledges and represents that it is familiar with and shall strictly comply with all applicable laws and regulations concerning the trade, export or re-export of products, services, data or technology (“Items”), including but not limited to the International Traffic in Arms Regulations (ITAR), the Export Administration Regulations (EAR), the trade sanctions regulations administered by the U.S. The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 21. In the event that no settlement is reached within 60 days after such written request has been received, then any party may submit the Dispute to the China International Economic and Trade Arbitration Commission (“CIETAC”) Shanghai Sub-commission for arbitration, which shall be conducted in accordance with CIETAC’s arbitration rules in effect at the time of applying for arbitration.

När det gäller rapporter om tveksam bokföring, interna bokföringskontroller eller revisionsärenden kan du också kontakta vår Internal Audit department (interna revisionsavdelning) eller anmäla dina bekymmer till vår styrelses Audit Committee (revisionskommitté) genom att kontakta bolagets juridiska avdelning. Corporate Finance, Internal Audit [intern revision], Sourcing) Ring eller använd etik-hotline om: • Du behöver råd eller har en fråga • Du vill väcka ett ärende eller visa ett bekymmer • Du väckte ett ärende och var inte nöjd • Du är inte säker på vart du ska vända dig för information • Du är obekväm med att använda någon av de andra resurserna som listas i koden.

När det gäller rapporter om tveksam bokföring, interna bokföringskontroller eller revisionsärenden kan du också kontakta vår internal audit department (interna revisionsavdelning) eller anmäla dina bekymmer till vår styrelses audit committee (revisionskommitté) genom att kontakta bolagets juridiska avdelning. Corporate Finance, Internal Audit [intern revision], Sourcing) Ethics Hotline Ring eller använd Ethics Hotline om: • Du behöver råd eller har en fråga • Du vill väcka ett ärende eller visa ett bekymmer • Du väckte ett ärende och var inte nöjd • Du är inte säker på vart du ska vända dig för information • Du känner dig obekväm med att använda någon av de andra resurserna som listas i koden Ethics Hotline är tillgänglig globalt på över 20 språk, 24 timmar om dygnet, 7 dagar i veckan.

International Traffic in Arms Regulations (ITAR), the U.S. The Seller reserves the right to terminate the contract, if derived from this revocation in its exclusive judgment, it considers that the execution of the contract without this information affects its controls and internal policies of contracting, legal, procedural or of any other nature. The United Nations Convention respecting Contracts for the International Sale of Goods shall not apply to sales under these Terms. 23.