P/M SILVER PVC PP CONC 36 NAT S PP FR 8-6 LMS-1000

GJ6A QUARTZ PP-GF30-0553 POWER CYAN M PP FR 8-6 LMS-1000

Geon(TM) VBX3522 1T3 M LT STONE MB2 PVC PG XXXXXX.XX PEARL GN PP LM PP FR 8-6 LMS-1000

RED L/M BLUE PP PP FR 8-6 LMS-1000

PG 40730 BU PP M W BURGUNDY PP FR 8-6 LMS-1000

BLUE 286 PP R1 M GREEN 16-5721 PP FR 8-6 LMS-1000

Blue Dazzle (PP) REFLEX BLUE M CC PP FR 8-6 LMS-1000

MB1767A M DK WHEAT 564F X ST-PP-6207-1A PP FR 8-6 LMS-1000

To answer these, we will look at five different material families: • Polyaryletherketones (PAEK) • Polysulfones (PSU) • Liquid crystal polymers (LCP) • Polyetherimides (PEI) • Polyphenylene sulfides (PPS) Read on to discover the diverse and growing uses for these elite-level performers of the thermoplastic world. They include PPS, PAEKs and LCPs. However, these high- heat materials require much higher mold and melt temperatures than typical plastics such as polypropylene (PP), nylon and polycarbonate (PC).

AVIENT CORPORATION (NYSE: AVNT) N O V E M B E R 2 0 2 0 DISCLAIMER 2 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. It’s why we win. 11 474 644 925 107 147 212 467 616 858 2014 2018 2020PF R&D / Technical Marketing Sales Commercial Resources + 36% + 37% + 32% + 44% + 44% + 39% Headcount figures are Pro forma for the sale of Designed Structures and Solutions (DSS) and Performance Products and Solutions (PP&S) segments and the acquisition of the Clariant Masterbatch business. 2020PF data as of October 31, 2020. 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. 21 1.