F X ) -10% -11% -3% -12% 10 US & Canada Latin America EMEA Asia Avient ex. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 32 79 87 83 81 76 73 90 79 77 76 73 69 60 22 A vi e n t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L M U LT I P L E E X PA N S I O N Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51. Senior management believes the measures described above are useful to investors because they allow for comparison to Avient's performance in prior periods without the effect of items that, by their nature, tend to obscure Avient's operating results due to the potential variability across periods based on timing, frequency and magnitude.

X ST-TPE 4530-001-C GEON BIO RB7000 NATURAL 0000 A27608 PSC NATURAL NA TALC

X PE-0314081 BLACK BFI G35A-322 NATURAL IT38-074 NATURAL

X AB-5A XLFT PS-30LGF/000 Natural Trilliant HC 5210-0030 Natural

X HC 127692#SR-33389-1 Natural 0.5% X HC 127692#SR-33389-2 Natural 0.75% X ET #SR-33853-1 TiO2 Conc

PA66 G15 H natural Bergamid B70 G15 H natural TM-Z UV SO6 X GT-13791-1A

GEON E6950 NATURAL 0000 Trilliant HC3210-0019 RS LB natural X 600 EG

X ET84758#SR01914-03 Gray X HC-2066-001-3 Natural ECCOH 5806 Natural

X PL-147080502 X 0587-21R2 F-3 RoHS NATURAL GEON L6771 NATURAL 0000

X ET 16351-03-3 Violet L X PDS 16449-05-01 Natural X ET2000-0040 RS Natural