WHITE 80671 3 X GT-9326-2A BLACK STAN-TONE MB-35735 BEIGE 9/3

X ET-39568-01A1-2 Natural BROWN MS CAP W/IONMER 3 UV GREY 3 TPU GF

X ET 172554#SR-11177-3 Smoke Gray 3 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

BACKGROUND ROYAL BLUE 3 X HC 16645-01 Green PMS 367 SPARROW BLACK 3

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AMOSORB 4020-3 X GF 600 A 33 BLACK 28 V C WHITE PEBBLE 3 PC

EARTH GREEN ID#90 3 X HC 16462-01-2 185C-3 RED Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

130660 PEC GREEN 3:100 BLUPWDMB (2.00% Artic Blue 3) 450A X GT-12311-1A (7.1)

DB3666(3) X 94452#SR-02515-0002 Red MCCULLOCH YELLOW 3

Forward Looking Statements POLYONE CORPORATION 3  This presentation includes the use of both GAAP (generally accepted accounting principles) and non-GAAP financial measures. Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation PolyOne �Investor Presentation Slide Number 2 Slide Number 3 Slide Number 4 Slide Number 5 Slide Number 6 Slide Number 7 Slide Number 8 Slide Number 9 Slide Number 10 Slide Number 11 Slide Number 12 Slide Number 13 Slide Number 14 Slide Number 15 Slide Number 16 Slide Number 17 Slide Number 18 Slide Number 19 Slide Number 20 Slide Number 21 Slide Number 22 Slide Number 23 Slide Number 24 Slide Number 25 Slide Number 26 Slide Number 27 Slide Number 28 Slide Number 29 Slide Number 30 Slide Number 31 Slide Number 32 Investor Presentation - March 2018 r4.pdf Investor Presentation - March 2018