Patterson, Chairman, President and Chief Executive Officer, Avient Corporation. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations immediately following the conference call and will be accessible for one year. These costs are included in Corporate and eliminations.

Cesa™ Nox Additives target free radicals, terminating oxidation reactions and preserving polymer properties through one or more processing steps or cycles, including recycling. ColorMatrix™ Lactra™ Four, One, Zero

One of the highest performing engineering thermoplastics in the industry ColorMatrix™ Lactra™ Four, One, Zero

Add performance improvements and color in one simple step ColorMatrix™ Lactra™ Four, One, Zero

ColorMatrix™ Lactra™ Four, One, Zero ColorMatrix™ Lactra™ Four, One, Zero

One caveat: Typical TPE shrinkage is around 2% while that of substrate materials is closer to 1%. However, price per pound is just one aspect of the overall cost.

One caveat: Typical TPE shrinkage is around 2% while that of substrate materials is closer to 1%. However, price per pound is just one aspect of the overall cost.

Using recycled materials is one way to attract eco-conscious consumers, but also to prepare for possible future legislation as governing bodies are looking to reduce carbon emissions. REGULATORY SUPPORT AND PRODUCT SAFETY 1.844.4AVIENT www.avient.com Copyright © 2022, Avient Corporation.

Microsoft PowerPoint - AVNT Q3 2021 Earnings Presentation - WEBSITE AVIENT CORPORATION T H I R D Q U A R T E R 2 0 2 1 R E S U LT S (NYSE: AVNT) O C T O B E R 2 8 , 2 0 2 1 DISCLAIMER Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. D is t. ) Avient reflects 2021 estimated revenue of $4,750M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) Avient Specialty Other Free Cash Flow Conversion (1) 2021E (%) Being asset light helps us to generate strong free cash flow that is in line with specialty formulators. Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $580M and estimated CAPEX of $80M (excludes one-time synergy capture CAPEX of $20M) 86 92 85 82 79 77 74 89 83 82 80 79 79 78 78 72 33 en t (12) Total Enterprise Value / 2021E EBITDA Our current valuation with updated guidance implies an EBITDA multiple that is below specialty formulator peers and the median of other selected chemical / specialty companies.

There is generally limited differentiation in aesthetic appeal when looking at a pre-colored biopolymer or one that is colored at the press.