BLUE Q280-1-1 SILVER VER 1 GRAY Q716-3-4

Immediately accretive to EPS, the acquisition is expected to deliver $0.95 of incremental adjusted EPS upon full synergy realization. 14 (1) 2020 estimate and Pro forma for acquisition of the Clariant Masterbatch business (2) Adjusted EPS excludes step up D&A for the Clariant Masterbatch acquisition (3) Assumes $75MM in synergies EBITDA Margin Expansion and EPS Accretion 11.6% 13.8% Avient PF Avient PF ex. PEER COMPARISONS 16 2 3 2 3 3 3 6 3 4 4 4 4 5 5 6 6 7 8 9 23 nt nt ( xc l. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 17 Median: 3% Median: 5% Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Other 83 86 85 84 80 56 89 83 82 82 78 76 76 75 71 70 68 63 61 58 14 t 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.

© 2019, All Right Reserved PolyOne Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 AUTOMOTIVE PARTS MANUFACTURER P L A T E H E A T E X C H A N G E R • High thermal conductivity • Very good flow rate for thin walls • Chemical resistance to glycol • Good aging for both chemical & temperature resistance • Improved thermal performance by eliminating the effects of corrosion • Reduced overall part weight • Provided greater design freedom meaning a more complex part could be designed and molded • Enabled several heat exchangers to be consolidated into one, saving space in the vehicle and increasing efficiency Therma-Tech™ Thermally Conductive Formulation KEY REQUIREMENTS WHY AVIENT?

October 4, 2019 Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

February 4, 2015 Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Media Contact: Kyle Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

Beggs — 37,719(1) 377,192(1) 754,384(1) — — — — — — 30,750(2) 246,000(2) 492,000(2) — — — — — 2/8/2021 — — — 9,067(3) 27,200(3) — 42.27 286,286 2/8/2021 — — — — — 6,800(4) — 287,436 M.A. Garratt — 27,623(1) 276,231(1) 552,462(1) — — — — — — 22,750(2) 182,000(2) 364,000(2) — — — — — 2/8/2021 — — — 6,717(3) 20,150(3) — 42.27 212,083 2/8/2021 — — — — — 5,050(4) — 213,464 L.K. Kunkle — 27,623(1) 276,231(1) 552,462(1) — — — — — — 24,500(2) 196,000(2) 392,000(2) — — — — — 2/8/2021 — — — 7,217(3) 21,650(3) — 42.27 227,871 2/8/2021 — — — — — 5,400(4) — 228,258 J.R.

The company noted that full year 2024 GAAP EPS includes special items of $0.17 (see attachment 3) and $0.65 of intangible amortization expense (see attachment 1). See Attachment 3 for a definition and summary of special items. See Attachment 3 for a definition and summary of special items.

X HC 324803#SR-3520201-1 Diffused X HC 324803#SR-3520201-3 Diffused X HC 324803#SR-3520202-3 Diffused

HERO MET DARK GREY BV4-1 BLUE 925-3-4 CL-PP PMS10279 MET BLUE BV4-1

STREAKER #1 STREAKER #3 STREAKER #4