INNOSPEC INC

CUSIP: 45768S10 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 155,604 Value ($000) $9,462 Avg Close — Range —
Q2 2016
Shares 152,545 Value ($000) $7,016 Avg Close — Range —
Q1 2016
Shares 49,172 Value ($000) $2,132 Avg Close — Range —
Q4 2015
Shares 12,000 Value ($000) $652 Avg Close — Range —
Q3 2015
Shares 81,438 Value ($000) $3,668 Avg Close — Range —
Q2 2015
Shares 81,438 Value ($000) $3,668 Avg Close — Range —
Q1 2015
Shares 49,229 Value ($000) $2,284 Avg Close — Range —