INTERACTIVE BROKERS

CUSIP: 45841N10 Class: COM

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

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

Q3 2015
Shares 45,490 Value ($000) $1,795 Avg Close — Range —
Q2 2014
Shares 95,026 Value ($000) $2,213 Avg Close — Range —
Q1 2014
Shares 68,503 Value ($000) $1,484 Avg Close — Range —
Q4 2013
Shares 231,567 Value ($000) $5,636 Avg Close — Range —
Q3 2013
Shares 114,135 Value ($000) $2,142 Avg Close — Range —