© 2020, All Right Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 LIGHTING MANUFACTURER H E A T S I N K F O R H I G H P O W E R L E D • PA based grade to replace aluminum • High thermal conductivity ̴ 15 W/mK • Electrically conductive • Easy moulding • Improved light output compared to alternative materials • Improved corrosion resistance and weight reduction • It gave the customer more design possibilities and a more cost effective solution Customized PA based grade KEY REQUIREMENTS WHY AVIENT? THERMAL + ELECTRICAL CONDUCTIVITY LEARN MORE AVIENT SOLUTION LEARN MORE © 2020, All Right Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/therma Lighting manufacturer

Introduction http://www.petresin.org/news_introtoPET.asp How is rPET made? PET Types Clear PET—Clear PET accounted for over 76% of the revenue share in 2020 and is expected to continue as the market leader. Contact us today https://www.avient.com/content/product-selection-help-form?

To learn more about Avient’s advanced composite solutions, call +1.844.4AVIENT or visit www.avient.com/composites FREE LENGTH DEFLECTION KEEPER PLATE BASE CHAIR NEUTRAL AXIS 1.5 X DIAMETER1.5 X DIAMETER DIAMETER Copyright © 2020, Avient Corporation.

www.avient.com Copyright © 2020, Avient Corporation.

Microsoft PowerPoint - AVNT Q4 2023 Earnings Presentation v7 AVIENT CORPORATION F O U R T H Q U A R T E R 2 0 2 3 R E S U L T S A N D 2 0 2 4 F I N A N C I A L G U I D A N C E (NYSE: AVNT) F E B R U A RY 1 4 , 2 0 2 4 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. ASHISH KHANDPUR PRESIDENT & CEO 4 5 PORTFOLIO TRANSFORMATION 5 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 7 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 8 TRANSPORTATION INDUSTRIAL BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 9 REGIONAL OBSERVATIONS (% OF COMPANY SALES) 9 41% 36% Q 4 2 0 2 3 R E S U LT S Q4 2023 PERFORMANCE VS.

Additional information is available at https://www.cbp.gov/trade/forced-labor In furtherance of the foregoing, we expect our Suppliers to: • Supply only conflict free 3TG metals to Avient; https://nam10.safelinks.protection.outlook.com/? url=https%3A%2F%2Fwww.cbp.gov%2Ftrade%2Fforced-labor&data=05%7C01%7Cjacqueline.thomson%40avient.com%7Ca0427e02fa1b4b576fe208db6dac207e%7C7bc21b5c83b04482be9e2825d33c1759%7C0%7C0%7C638224359373869329%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=xxFjS7ADNXRYgriLexntpLUCOyllzLGactoRmj2EoCE%3D&reserved=0 https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf https://www.avient.com/sites/default/files/2020-10/avient-conflict-minerals-policy-10.2020.pdf • Engage in due diligence of supply chains by following a nationally or internationally recognized due diligence framework; • Upon request, report to Avient on its due diligence process and certify that 3TG metals supplied to Avient from the Covered Countries are conflict free; and • Promptly report to Avient any supply chain changes regarding the origin of 3TG metals or conflict status

AVIENT SOLUTION AESTHETICS + HAPTICS LEARN MORE Copyright © 2020, Avient Corporation. SOLUCIÓN AVIENT ESTÉTICA + SENSACIÓN TÁCTIL MÁS INFORMACIÓNCopyright © 2020, Avient Corporation. https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/gravi-tech-density-modified

This is the case for Avient as well, but what further differentiates us, is that in 2020 our EPS also grew 11% vs. 2019. Pro Forma The Company acquired the Clariant Masterbatch business (“CMB”) on July 1, 2020 (the “Acquisition Date”). # # https://www.avient.com/investors/ https://edge.media-server.com/mmc/p/eaivs28r https://edge.media-server.com/mmc/p/eaivs28r https://www.avient.com/investors/ http://www.avient.com/ 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.

030BU 2020 CPT LT BLUE

One year ago, we announced a plan to increase our dividend by more than 60% by 2020, and we are pleased to be delivering on our commitment, as our dividend has now increased by 44% over the last two years," said