In 2023 we met our renewable energy goal, and continue to be on track to meet our other 2030 targets.

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GUIDANCE ( T O TA L C O M PA N Y ) 7 $845 $824 Guidance Actual $130 $131 Guidance Actual Sales Adjusted EBITDA (in millions) $0.60 $0.63 Guidance Actual Adjusted EPS (in millions) Q2 2023 PERFORMANCE VS. Avient reflects 2023 adjusted EBITDA guidance of $525M and estimated run-rate CAPEX of $110M. 2023E (%) 23 79 90 84 83 76 73 88 82 77 74 72 67 57 20 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 E C L A S H H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTI PL E EX PANSION Source: Peer data per Bloomberg as of July 21, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $525M and closing share price of $40.93. Three Months Ended June 30, 2023 Three Months Ended June 30, 2022 Reconciliation to Condensed Consolidated Statements of Income $ EPS $ EPS Net income from continuing operations attributable to Avient shareholders $ 22.1 $ 0.24 $ 62.8 $ 0.68 Special items, after tax 19.6 0.21 3.2 0.03 Amortization expense, after-tax 16.2 0.18 $ 10.5 $ 0.12 Adjusted net income / EPS $ 57.9 $ 0.63 $ 76.5 $ 0.83 Three Months Ended June 30, Six Months Ended June 30, Reconciliation to EBITDA and Adjusted EBITDA: 2023 2022 2023 2022 Net income from continuing operations – GAAP $ 22.3 $ 62.8 $ 43.6 $ 127.5 Income tax expense 10.4 22.7 18.1 42.7 Interest expense, net 29.4 16.2 58.2 33.1 Depreciation and amortization 47.6 36.5 98.1 74.3 EBITDA from continuing operations $ 109.7 $ 138.2 $ 218.0 $ 277.6 Special items, before tax 21.7 0.9 49.0 7.6 Depreciation and amortization included in special items (0.1) (1.1) (1.9) (3.2) Adjusted EBITDA $ 131.3 $ 138.0 $ 265.1 $ 282.0 Pro forma APM adjustments — 34.3 — 66.3 Pro forma adjusted EBITDA $ 131.3 $ 172.3 $ 265.1 $ 348.3 Pro forma adjusted EBITDA as a % of sales 15.9 % 17.4 % 15.9 % 17.6 % 1 AVNT Q2 2023 Earnings Presentation 7.26.23 IR Deck - AVNT-2023.06.30 7.24 1217PM non GAAP attachment Attachment

A Few Highlights from 2023: Made strong progress in reducing company’s Scope 1 & 2 GHG emissions, reaching nearly 50% reduction in 2023 vs. 2019

September 5, 2023 CLEVELAND– September 5, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced the availability of a robust material solutions platform for electric vehicle supply equipment (EVSE) applications for the North American market.

May 19, 2023 CLEVELAND – May 19, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, is proud to announce it has earned the LUXE PACK “in green” award, highlighting a Corporate Social Responsibility (CSR) initiative.  

December 14, 2023 SHANGHAI – December 14, 2023 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today unveils an expansion of its Cesa™ Withstand™ portfolio to include new grades of antimicrobial and antifungal additives.