GIUSEPPE DI SALVO Vice President, Treasurer and Investor Relations Giuseppe “Joe” Di Salvo is Vice President, Treasurer and Investor Relations at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world.

ROSE Vice President, Corporate Communications Kyle Rose is Vice President, Corporate Communications at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world.

JOHN MIDEA Senior Vice President, Global Operations and Process Improvement John Midea is Senior Vice President, Global Operations and Process Improvement at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world.

SPORTS BRAND S N O R K E L M O U T H P I E C E • Replace PVC with alternative materials such as TPE or silicone • Skin contact safety and UV resistance • Soft texture with a non-sticky feel • Translucent color to help children use it properly and safely • Customized a soft (Shore A) TPE solution that passed strict tests, including thermal deformation (80°C for 2 hours), UV resistance, and assembly resistance • Providing a 40% more cost-effective system than silicone due to the high production efficiencies of TPEs • Provided cross-regional cooperation and prompt response to help customers achieve fast commercialization in both Europe and China Versaflex Thermoplastic Elastomers UV RESISTANT + TRANSLUCENT Copyright © 2025, Avient Corporation.

TIER 1 AEROSPACE SUPPLIER S E A T I N G S T R U C T U R A L C O M P O N E N T • Reduce weight to improve fuel economy • Pass FAA flame, smoke, toxicity requirements • Meet structural requirements • Simplify manufacturing process • Lowered weight ~40% versus aluminum while maintaining the strength performance properties • Formulated a PES material to satisfy flame, smoke, toxicity (FST) standards for commercial aircraft • Passed and/or exceeded customer’s impact testing specifications • Provided an injection moldable hybrid glass/carbon fiber solution that enabled lower viscosity and better processability for thin wall parts Complēt™ Long Hybrid (Carbon + Glass) Fiber Reinforced PES Composite KEY REQUIREMENTS WHY AVIENT?

now Silicor Materials Inc.), a solar silicon company. Nikrant Senior Vice President, President of Global Specialty Engineered Materials Julie A. Our proxy materials for the 2016 Annual Meeting will be mailed on or about April 1, 2016.

   Specialty Engineered Materials    Specialty Engineered Materials    Specialty Engineered Materials

   Specialty Engineered Materials    Specialty Engineered Materials    Specialty Engineered Materials

Jako spółka, która zobowiązała się przestrzegać zasad programu Responsible Care® American Chemistry Council (Amerykańskiej Rady Przemysłu Chemicznego) i jako współzałożyciel inicjatywy „Alliance to End Plastic Waste” („Przymierze na rzecz ograniczenia odpadów z tworzyw sztucznych”) nie ustajemy w staraniach poprzez nasze sztandarowe No Surprises PledgeSM (Zobowiązanie do unikania niespodziewanych sytuacji) oraz obietnicę zrównoważonego rozwoju. Jako spółka, która zobowiązała się przestrzegać zasad programu Responsible Care® American Chemistry Council (Amerykańskiej Rady Przemysłu Chemicznego) i jako współzałożyciel inicjatywy „Alliance to End Plastic Waste” („Przymierze na rzecz ograniczenia odpadów z tworzyw sztucznych”) nie ustajemy w staraniach poprzez nasze sztandarowe No Surprises PledgeSM (Zobowiązanie do unikania niespodziewanych sytuacji) oraz obietnicę zrównoważonego rozwoju, a także stosujemy te zasady, wprowadzając w życie osobiste wartości integralności, uczciwości i szacunku.

Quale azienda facente parte del programma Responsible Care® dell’American Chemistry Council (Consiglio di chimica americano) e membro fondatore dell’Alliance to End Plastic Waste (Alleanza per porre fine ai rifiuti in plastica), ci impegniamo anche attraverso il nostro punto di riferimento, No Surprises PledgeSM (impegno a non riservare sorprese) e la nostra Promessa di sostenibilità. Quale azienda facente parte del programma Responsible Care® dell’American Chemistry Council (Consiglio di chimica americano) e membro fondatore dell’Alliance to End Plastic Waste (Alleanza per porre fine ai rifiuti in plastica), ci impegniamo anche attraverso il nostro punto di riferimento, No Surprises PledgeSM (impegno a non riservare sorprese) e la nostra Promessa di sostenibilità, e sosteniamo questi principi vivendo secondo i valori personali di integrità, onestà e rispetto.