INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

PROFUND ADVISORS LLC's Holding History (CIK: 0001129919)

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

Q4 2014
Shares 22,518 Value ($000) $898 Avg Close — Range —
Q3 2014
Shares 19,897 Value ($000) $781 Avg Close — Range —
Q2 2014
Shares 28,068 Value ($000) $783 Avg Close — Range —
Q1 2014
Shares 19,286 Value ($000) $528 Avg Close — Range —
Q4 2013
Shares 15,672 Value ($000) $409 Avg Close — Range —
Q3 2013
Shares 15,402 Value ($000) $382 Avg Close — Range —
Q2 2013
Shares 11,028 Value ($000) $231 Avg Close — Range —