PROXY SUMMARY Company Operating Performance PolyOne again delivered earnings growth in 2017, driven by broad-based organic revenue growth of 7% and record- setting performances from our Color, Additives and Inks (“CAI”), Performance Products and Solutions (“PPS”) and Distribution (“POD”) segments. Record performance in our CAI, PPS and POD segments, which delivered operating income of $138.6 million, $77.1 million and $72.6 million, respectively, in 2017. Strong organic revenue growth and record operating income in CAI, PPS and POD, along with lower share count and taxes, contributed to an 8% and 7% increase in earnings per share and adjusted earnings per share, respectively.

PG 65623.00 BU PP PG 65622.00 BU PP PG 65640.00 BU PP

PG 24371GN PP PG 24331 GN PP PG 24345 GN PP

PD2 PP/TPO K/E PP MET. PP PRL.

PP 401CS BLU 911-5 PP 401 GY 2270 PP 554CS GY 2334-2

Patterson President and Chief Executive Officer March 16, 2015 Operating Income Mix Shift*^ % o f O p erating Inco m e SPECIALTY DISTRIBUTION PP&S JV's *Operating Income excludes Corporate charges and special items ^2005–2009 has not been restated for subsequent changes in accounting principles or discontinued operations 100 80 60 40 20 0 '05 '06 '07 '08 '09 '10 '11 '12 '13 '14 PROOF OF PERFORMANCE Our values, strategy, and execution are clearly evident in our financial performance. Our additive concentrates encompass a wide variety of performance and process enhancing characteristics and are commonly categorized by the function that they perform, such as UV stabilization, antimicrobial, anti-static, blowing or foaming, antioxidant, lubricant, and productivity enhancement. Our additive concentrates encompass a wide variety of performance and process enhancing characteristics and are commonly categorized by the function that they perform, such as UV stabilization, antimicrobial, anti-static, blowing or foaming, antioxidant, lubricant, and productivity enhancement.

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PP POWER GREEN 2% PG 311100.00 RD PP PP THERAPY YELLOW

PP YELLOW 131814-UL PP PURPLE PM54107 PP JABIL TEAL 319U

PP 401CS BLK 3330 PP 401CS YELL 8645 PP FR 8-6 A