Avient acquired the Clariant Masterbatch business (CMB) on 2020年7月1日 (the “Acquisition Date”). Operating Income $3,783 $4,100 (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition Previous Guidance Current Guidance $3,783 $4,300 $308 $360 $308 $410 $1.93 $2.40 $1.93 $2.80 (1) (1)(1) (1)(1) (1) 12 BALANCE SHEET • Deleveraging to 1.9x net debt to adjusted EBITDA by the end of 2021 • Driven by record adjusted EBITDA performance and strong free cash flow generation from asset light business • Future cash deployment: M&A, opportunistic share repurchases and balance sheet / continued leverage reduction 3.5x 2.7x 1.9x Net Debt / Adjusted EBITDA ($ in millions) 2021E Adjusted EBITDA 560$ Free Cash Flow 275$ Total Debt 1,860 Less: Cash (800) Net Debt 1,060$ 2021E Net Debt / Adjusted EBITDA 1.9x (1) Financial information is pro forma to include a full year of Clariant Masterbatch business acquisition SUSTAINABILITY • Most recent Sustainability report substantially expanded disclosure on key environmental and social topics We will deliver for our stakeholders through multiple value creation levers—many of which are unique to Avient: o Demand for sustainable solutions, healthcare, and composites, together with Clariant Masterbatch revenue synergies, that will drive 2021 revenue growth of 14% and long-term growth in excess of GDP o Clariant Masterbatch cost synergy capture will result in significant near-term benefit In addition, we remain committed to increasing annual dividends in line with earnings growth and opportunistically buying back shares, all while remaining modestly levered.

New Rejoin™ PCR Masterbatch Makes 100 Percent PCR a Reality for Polyolefin Packaging CLEVELAND – 2021年3月12日 – Avient today announced the launch of Rejoin™ PCR Masterbatch for polyolefin packaging applications.

Solutions are available for the laser welding of transparent/black, transparent/color, color/color, and black/black parts.

PolyOne provided a pre-colored version of our Geon M5705 material, customized to match the manufacturer’s gray and black painted metal lights. Samples of the Geon M5705 gray and black were placed into a trial using an existing lighting fixture to provide samples for evaluation. Due to the commercial success of the gray and black colors, Smart Hero plans to introduce seven new colors made with Geon M5705 material to expand its product line.

121242 BKA LLDPE/PP MASTERBATCH PA6 G20 H UF black 5050 326 MASTERBATCH #5

X ST3490-001-01 Black 177943 YE PE MASTERBATCH 181682 YE PE MASTERBATCH

FDM 225901 PK PEARL PE MASTERBATCH 225911 RD PET MASTERBATCH BERLIN 10 MAN'S PROJECT BLACK TUBE.CMSM

BLACK LC 84199 GN PP MASTERBATCH 85533 BU PP MASTERBATCH

59328 GY Pearl PE MASTERBATCH 59327 BL Pearl PE MASTERBATCH STAN-TONE VCP-27937 BLACK

DB4662 BLACK (DB3505 REPLACEMENT) 108540 NP PLA AA MASTERBATCH 112127 NP PLA AA MASTERBATCH