INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

WCM INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001061186)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016

Shares 12,150 Value ($000) $832 Avg Close $56.82 Range $47.94 - $64.99

Q3 2016

Shares 62,630 Value ($000) $3,809 Avg Close $48.99 Range $39.67 - $53.81

Q2 2016

Shares 118,716 Value ($000) $5,460 Avg Close $41.52 Range $37.19 - $44.47

Q1 2016

Shares 141,810 Value ($000) $6,149 Avg Close $40.40 Range $36.39 - $46.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	12,150	$832	$56.82	$47.94 - $64.99
Q3 2016	62,630	$3,809	$48.99	$39.67 - $53.81
Q2 2016	118,716	$5,460	$41.52	$37.19 - $44.47
Q1 2016	141,810	$6,149	$40.40	$36.39 - $46.84