The colorant solutions are available in PP and PE (HDPE and LDPE) and produced with ingredients tested to European Pharmacopeia 3.1.3 and 3.1.5 as well as to USP chapters , including class VI (a requirement for ophthalmic and nasal drugs) and USP and (light transmission). ISO 10993-1, USP and (class VI), USP , European Pharmacopeia monographs 3.1.3 and 3.1.5, ICH Q3D and USP and evaluations reduce risk of non-compliance during regulatory submission​

UV SANDSTONE BLUE TINT 293C W/ UV BLUE TINT 2935C W/ UV

FRUCTIS TRANSPARENT GREEN W/UV PE BIEGE UV FRUCTIS TRANSP GRN W/UV

BLUE TITANIUM W UV WHITE W/UV UV BLACK

TEAL 320C HDPE ORANGE W/UV BLUE UV

W H AT W E D O : W E A R E A F O R M UL ATO R 6 CUSTOM FORMULATION M AY 3 , 2 0 2 3 W E B C A S T Keeping Safety First o Relentless focus on best-in-class safety performance as an ACC Responsible Care® organization Exceeding Customer Expectations o Complementary technologies and customer relationships offer opportunity for future revenue synergies o Proven innovation-led commercial strategy with strong brands and participation across the full value chain Collaboration in Innovation o Leveraging Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications People – Culture is Everything o Talented, passionate and collaborative associates drive an effective integration strategy o Strong Great Places to Work® scores reflect positive integration efforts in first year AVI E N T P ROT EC T I VE MAT ER I A L S I N T EG R ATI O N 8 AVI ENT PROTEC TI VE MATERI ALS K E Y I N D U S T R I E S PERSONAL PROTECTION Military • Law Enforcement • First Responders • Body Armor • Helmets • Vehicle Protection 50% MARINE & SUSTAINABLE INFRASTRUCTURE Towing / Mooring • Aquaculture • Floating Wind • Offshore Cranes 30% CONSUMER Consumer • Outdoor High Performance • Safety Equipment 20% 9 Figures reflect approximate proportions of 2022 sales Q 1 P E R F O R M A N C E Q1 2023 PERFORMANCE VS. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 37 79 89 83 81 76 73 90 82 77 76 74 70 58 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 May 31, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $36.50. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 38 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.6 13.2 13.0 12.8 11.3 8.6 17.9 16.8 10.7 8.8 8.8 8.7 7.5 6.9 A vi e n t (2 0 1 1 ) A vi e n t (2 0 1 8 ) A vi e n t (2 0 2 3 ) K W R P P G R P M A V Y F U L E C L H X L F M C S C L C E A S H E M N H U N Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

GRAPHITE W/UV UV ALLOY ID X MB HDPE LFT White NA

MC-24870PP C100B88002 GREEN W/UV MC-24871PP C100B66002 GREEN W/UV MC-24885PE FOREST GREEN W/ADD

ORANGE W/ SLIP.UNL GRAY BRONZE W/UV

EURO BLUE W/UV/FD FD-UV BLACK FD W/UV