H 019 SODIUM SILICATE D DISPERSION MIDNITE BLUE B44 STAN-TONE DB-15597 HI LITE BLUE

H-D PEARL GOLD BABY BLUE PEARL - LIGHT STAN-TONE DB-15597 HI LITE BLUE

X GV 40834#SR-02514-0002- 5 Blue TP PP-H-40T BLACK STAN-TONE DB-15597 HI LITE BLUE

W-M BLUE HIPS V2 PS H/D ORANGE V2 STAN-TONE DB-15597 HI LITE BLUE

B70 G50 H BLACK MF5420-0013 FR Blue STAN-TONE DB-15597 HI LITE BLUE

BLUE 821382 PP-H-20T-60053 STAN-TONE DB-15597 HI LITE BLUE

181139-01 EXPB5D07 H/L BLACK B-2718 BLUE STAN-TONE DB-15597 HI LITE BLUE

9279-H-1 (TRIAL) COLONIAL WHITE PLAST. STAN-TONE HCC-19765 BLUE STAN-TONE DB-15597 HI LITE BLUE

MBX1120 H GRAY DM571LTB LT BLUE 9504-408 STAN-TONE DB-15597 HI LITE BLUE

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) F E B R U A R Y 2 0 2 4 D I S C L A I M E R 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. Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,135 2016 2018 2020 2023 $51 $84 $212 $645 2016 2018 2020 2023 $108 $113 $231 $230 2016 2018 2020 2023 $265 $358 $726 $725 2016 2018 2020 2023 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 16.0% 2006 2014 2023 EBITDA Margins $0.14 $1.93 $2.36 2006 2014 2023 Adjusted EPS TOP -T IE R S US TAINABIL IT Y P E RF ORM ANCE AND RE COGNIT ION Industry Sustainability Standards ESG Ratings Performance 1 2 4 87th 94th percentile 5 Avient CDP Score: A- F E B R U A R Y 1 4 , 2 0 2 4 W E B C A S T P R E S E N T AT I O N DR. AS HIS H KHANDP UR P R E S I D E N T & C E O 7 8 PORTFOLIO TRANSFORMATION 8 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d E B 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 ( % O F C O M PA N Y S A L E S ) ENERGY 5% DEFENSE 7% TELECOMMUNICATIONS 4% HEALTHCARE 7% 10 TRANSPORTATION 10% INDUSTRIAL 16% BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 11 REGIONAL OBSERVATIONS ( % O F C O M PA N Y S A L E S ) 11 US & Canada Latin America EMEA Asia 41% 36% 18% 5% Q 4 2 0 2 3 R E S U L T S Q4 2023 PERFORMANCE VS.