INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2014
Shares 552,847 Value ($000) $22,059 Avg Close — Range —
Q3 2014
Shares 563,177 Value ($000) $22,100 Avg Close — Range —
Q2 2014
Shares 576,506 Value ($000) $16,084 Avg Close — Range —
Q1 2014
Shares 568,469 Value ($000) $15,576 Avg Close — Range —
Q4 2013
Shares 573,001 Value ($000) $14,938 Avg Close — Range —
Q3 2013
Shares 626,631 Value ($000) $15,522 Avg Close — Range —
Q2 2013
Shares 1,446,810 Value ($000) $30,296 Avg Close — Range —