INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2014
Shares 4,599,709 Value ($000) $183,529 Avg Close — Range —
Q3 2014
Shares 4,644,208 Value ($000) $182,239 Avg Close — Range —
Q2 2014
Shares 4,575,981 Value ($000) $127,669 Avg Close — Range —
Q1 2014
Shares 4,248,504 Value ($000) $116,407 Avg Close — Range —
Q4 2013
Shares 4,010,560 Value ($000) $104,555 Avg Close — Range —
Q3 2013
Shares 3,486,245 Value ($000) $86,354 Avg Close — Range —
Q2 2013
Shares 3,151,330 Value ($000) $65,989 Avg Close — Range —