INTERNATIONAL RECTIFIER CORP

CUSIP: 46025410 Class: COM

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

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

Q2 2014
Shares 251,839 Value ($000) $7,026 Avg Close — Range —
Q1 2014
Shares 360,040 Value ($000) $9,865 Avg Close — Range —
Q4 2013
Shares 371,067 Value ($000) $9,674 Avg Close — Range —
Q3 2013
Shares 149,139 Value ($000) $3,694 Avg Close — Range —
Q2 2013
Shares 219,304 Value ($000) $4,592 Avg Close — Range —