INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q2 2016

Shares 72 Value ($000) $3 Avg Close $41.52 Range $37.19 - $44.47

Q1 2016

Shares 391 Value ($000) $17 Avg Close $40.40 Range $36.39 - $46.84

Q4 2015

Shares 112 Value ($000) $6 Avg Close $48.12 Range $40.31 - $52.05

Q3 2015

Shares 280 Value ($000) $13 Avg Close $39.87 Range $35.73 - $44.30

Q2 2015

Shares 280 Value ($000) $13 Avg Close $38.87 Range $36.94 - $40.69

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	72	$3	$41.52	$37.19 - $44.47
Q1 2016	391	$17	$40.40	$36.39 - $46.84
Q4 2015	112	$6	$48.12	$40.31 - $52.05
Q3 2015	280	$13	$39.87	$35.73 - $44.30
Q2 2015	280	$13	$38.87	$36.94 - $40.69