CLARIFICANTE PP PP ORANGE BLOSSOM XMAS GREEN PP

Remafin™ Fiber Colorants for PP Hydrophobic Solutions for PP Nonwovens Overview of applications and benefits for hydrophobic solutions for PP nonwovens

With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 28 Avient reflects 2021 estimated EBITDA of $560M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 10.4 18.2 16.0 15.5 15.3 11.3 11.0 29.7 26.5 23.5 18.2 13.4 11.9 11.9 11.7 10.5 10.4 10.3 10.1 9.7 7.7 6.5 A vi en t K W R A V Y P P G R P M F U L G C P H X L A L B E C L IF F F M C B N R A S H G R A E M N F O E S C L U N V R C E K R A H U N Median: 11.7xMedian: 15.4x SUMMARY: WHY INVEST IN AVIENT?

With the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 33 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 11.4 20.2 16.7 16.5 14.7 12.0 10.8 40.7 29.9 26.2 13.2 12.4 11.0 10.9 9.1 9.0 7.5 6.5 A vi en t K W R P P G A V Y R P M F U L G C P A L B H X L E C L A S H F M C B N R S C L U N V R E M N C E H U N SUMMARY: WHY INVEST IN AVIENT?

With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 31 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 18.5 15.1 15.1 14.0 11.0 10.4 29.5 28.2 23.9 18.7 12.4 12.2 11.1 9.3 9.2 9.2 7.6 7.6 6.0 A vi en t K W R P P G A V Y R P M F U L G C P A L B H X L E C L IF F F M C B N R A S H S C L E M N U N V R K R A C E H U N Median: 11.1xMedian: 14.6x SUMMARY: WHY INVEST IN AVIENT?

331736 RD PP MASTERBATCH 331737 BN PP MASTERBATCH PP FR 8-6 LMS-1000

With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 28 Avient reflects 2021 estimated EBITDA of $560M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 10.2 17.7 16.0 14.9 14.6 11.6 11.1 26.7 24.0 22.8 14.3 12.7 11.5 11.2 11.1 11.0 10.3 10.1 9.5 9.4 8.3 7.0 A vi en t K W R A V Y R P M P P G G C P F U L A L B H X L E C L IF F F M C B N R A S H G R A F O E S C L E M N U N V R C E K R A H U N Median: 11.1xMedian: 14.8x SUMMARY: WHY INVEST IN AVIENT?

With the Clariant Masterbatch acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 27 Avient reflects 2021 estimated EBITDA of $510M OUR VALUATION VERSUS PEERS Avient Specialty Formulators Other Chemical/Specialty Companies 9.5 21.1 13.2 13.2 12.0 12.0 9.7 25.2 23.1 14.7 13.5 12.9 11.0 11.0 11.0 10.2 9.6 9.3 9.3 9.1 8.6 8.3 A vi en t K W R A V Y R P M G C P P P G F U L A L B E C L H X L IF F F M C G R A B N R F O E A S H C E S C L U N V R E M N H U N K R A Median: 11.0xMedian: 12.6x SUMMARY: WHY INVEST IN AVIENT?

Free cash flow conversion calculated as (EBITDA – Capex) / EBITDA HIGH FREE CASH FLOW CONVERSION Avient reflects 2021 estimated EBITDA of $635M and estimated CAPEX of $90M (excludes IT system upgrade of $25M and synergy capture CAPEX of $20M) Source: Peer data per Bloomberg market data as of February 15, 2022 86 89 85 80 76 76 89 85 79 78 76 76 76 70 69 63 8 A vi e nt K W R P P G F U L A V Y R P M F M C U N V R H U N B N R H X L E C L C E A S H E M N S C L A LB Source: Peer data per Bloomberg market data as of February 15, 2022 Total Enterprise Value / 2022E EBITDAWith the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets.

PP Red Pig Add 201C BURGUNDY PP METALLIC GREY PP 2