In general, flame retardants and colorants often impede the energy needed to melt the polymer during joining, possibly reducing weld strength. Avient’s portfolio of laser weldable materials also includes multiple resin options based on polyamide 66 (PA66) and polybutylene terephthalate (PBT).

Coincident with the transformational acquisition of the Clariant Color business in 2020, we branded the collective enterprise Avient—a new name for a new kind of materials company. Guatemala City, Guatemala 66. Alicante, Spain 6.

WHITE 277N CONC (25-1) 9261-66 BEIGE FURNITURE PLASTISOL PP FR 8-6 LMS-1000

TPU 80A 20% BaS04 Snow White STAN-TONE HCC-103373 L CHST BRN 66 PP FR 8-6 LMS-1000

WHITE #66 - 4 PP FR 8-6 LMS-1000

QB6600 MF-66 NYLON BONDING AGENT QM1130 QMX-1130 WET-ON-WET WHITE BASE PP FR 8-6 LMS-1000

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.

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

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