Nylon 6/6 150°F / 66°C Color – Custom colors modify appearance to increase consumer appeal and ease identification.

Yanbu, Saudi Arabia 6. Elyria, Ohio 6. Ahrensburg, Germany 66.

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 5% 6% 8% 24% 20% 10% 15% 9% 4% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CRE AT ING A WORL D-CL AS S S US TAINABL E ORGANIZ AT ION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. GUIDANCE $800 $754 Guidance Actual $128 $123 Guidance Actual Sales Adjusted EBITDA (in millions) $0.56 $0.57 Guidance Actual Adjusted EPS (in millions) 13 • Demand impacted by destocking and cautious customer sentiment • Positive net price benefit: o CAI - Pricing flat and raw material deflation o SEM - Pricing flat with unfavorable mix related to healthcare, more than offset with raw material deflation • Cost reductions driven by Clariant synergies and reduced administrative costs Q3 EBITDA BRIDGE ($ millions) CAI: Price / Mix -) Deflation 22) SEM: Price / Mix (6) Deflation 13) Net Price Benefit 29) Cost Reductions 13) Wage Inflation (8) FX 1) Q3 2023 Actual $ 123) Adjusted EBITDA Q3 2022 Pro Forma $ 137) Demand (49) 14 2 0 2 3 G U I D A N C E Q4 2023 GUIDANCE VS. Avient reflects 2023 adjusted EBITDA guidance of $500M and estimated run-rate CAPEX of $110M. 2023E (%) 27 78 89 83 80 78 74 86 79 76 67 66 55 50 (39) A vi en t K W R FU L P P G A V Y R P M FM C C E E C L A S H H X L H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTIPLE EXPANSION Source: Peer data per Bloomberg as of December 29, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $500M and closing share price of $41.57.

BLACK NYLON 6/6 NYLON WHITE PP FR 8-6 LMS-1000

HIPS 7800 WHITE-C UV WARM RED C 6/6 PP FR 8-6 LMS-1000

Artisan™ Pre-Colored Thermoplastics: chemical and scratch-resistant formulations with special aesthetics such as high-gloss, matte, marble, speckle, and more, as an alternative to painted metal or plastic parts that can eliminate secondary painting process, leading to reduced energy consumption and VOC emissions   Bergamid™ FR Non-Halogen Flame Retardant Formulations: specially formulated for high-voltage connectors in a safety orange color, these materials combine the application flexibility of high-flow nylons for thin-wall designs with the performance of a non-halogenated fire retardant system, available in unfilled or reinforced PA6, PA66 and PA 6/66 grades with UL 94 V0 and CTI 800+ ratings  

Tossiat, France 6. Pogliano, Italy 6. Elyria, Ohio 6.

Tossiat, France 6. Pogliano, Italy 6. Elyria, Ohio 6.

Design times can be less than three days for colorants. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AV I E N T I S A SS E T L I G H T Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 2 3 3 6 2 3 4 4 5 5 5 6 6 6 7 9 25 A vi e n t A vi e n t (E xc l. Avient acquired the Clariant Masterbatch business (CMB) on July 1, 2020 (the “Acquisition Date”).

PRODUCT BULLETIN Stan-Tone™ Colorants Urethane Paste Colorants (PEP & ET) Stan-Tone™ PEP polyester urethane paste colorants are select organic and inorganic pigments dispersed in diethylene glycol adipate. These colorants are compatible with polyester systems, reacting to become part of the final cured product. These colorants are highly compatible with polyether systems, reacting to become part of the final cured product.