INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

FMR LLC's Holding History (CIK: 0000315066)

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

Q4 2014
Shares 8,554,100 Value ($000) $341,309 Avg Close — Range —
Q3 2014
Shares 5,941,830 Value ($000) $233,158 Avg Close — Range —
Q2 2014
Shares 1,400,955 Value ($000) $39,087 Avg Close — Range —
Q1 2014
Shares 151,965 Value ($000) $4,164 Avg Close — Range —
Q4 2013
Shares 31,545 Value ($000) $822 Avg Close — Range —
Q3 2013
Shares 707,157 Value ($000) $17,516 Avg Close — Range —
Q2 2013
Shares 745,957 Value ($000) $15,620 Avg Close — Range —