INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q3 2016

Shares 56 Value ($000) $3 Avg Close $48.99 Range $39.67 - $53.81

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	56	$3	$48.99	$39.67 - $53.81