Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Media Relations Contacts Company Officers

Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Media Relations Contacts Company Officers

Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com  Media Relations Contacts Company Officers

Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Media Relations Contacts Company Officers

Each of such adjustments has not yet occurred, are out of the Company's control and/or cannot be reasonably predicted. For the same reasons, the Company is unable to address the probable significance of the unavailable information. Innovation is the lifeblood of a specialty company.

Please contact Avient for additional information HOW GRAVI-TECH MAKES THE DIFFERENCE FOR PACKAGING CLOSURES IN THE LUXURY COSMETICS AND SPIRITS MARKETS FOR BRAND OWNERS Create a weighted closure for a luxury brand product – Gravi-Tech is a high density, injection moldable material which can be as lightweight as plastic or up to four times as heavy as aluminum. Please contact Avient for additional information.

Contact Avient to get the invoice back on track. If you want to make changes to the invoice after submitting it, you must contact your Avient representative.

Contact us today with tube dimensions you require. Contact your FIBER-LINE® representative for exact product details which conform to your specific requirements.

HIGHLIGHTS • 33 most popular industry colors • Flexible cure profile (266°F/130°C to 320°F/160°C) • Excellent opacity • Wet-on-wet printing • Matte finish* • ECO PASSPORT by OEKO-TEX® and ZDHC MRSL Conformance Level 3 certifications** * Gloss may increase when cured at temperatures above 266°F (130°C) ** To learn about compliance standards applicable to specifics inks, please contact your Avient Specialty Inks distributor. DOWNLOAD THIS CARD AND HOVER OVER THE INK SWATCH TO REVEAL PMS CODES. 80550 LEMON YELLOW 30400 DOLPHIN ORANGE 43000 NATIONAL RED 50400 RUSSELL PURPLE 80100 LIGHT GOLD 80108 YELLOW 30200 BRIGHT ORANGE 42270 DRAKE RED 45400 MAROON 80000 GOLD 42000 DALLAS SCARLET 47600 BRANDYWINE 40000 SCARLET 75300 AQUA 60650 CONTACT BLUE Wilflex™ inks by Avient.

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. ASHISH KHANDPUR PRESIDENT & CEO 7 8 PORTFOLIO TRANSFORMATION 8 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 9 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS (% OF COMPANY SALES) ENERGY DEFENSE TELECOMMUNICATIONS HEALTHCARE 10 TRANSPORTATION INDUSTRIAL BUILDING & CONSTRUCTION 9% CONSUMER PACKAGING 23% 11 REGIONAL OBSERVATIONS (% OF COMPANY SALES) 11 Q 4 2023 RE S U LT S Q4 2023 PERFORMANCE VS. The presentation of these measures may be different from non-GAAP financial measures used by other companies.