INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017

Shares 1,300 Value ($000) $84 Avg Close $59.26 Range $51.41 - $66.19

Q1 2016

Shares 13 Value ($000) $1 Avg Close $40.40 Range $36.39 - $46.84

Q2 2015

Shares 1,300 Value ($000) $59 Avg Close $38.87 Range $36.94 - $40.69

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	1,300	$84	$59.26	$51.41 - $66.19
Q1 2016	13	$1	$40.40	$36.39 - $46.84
Q2 2015	1,300	$59	$38.87	$36.94 - $40.69