INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q4 2014
Shares 195,276 Value ($000) $7,792 Avg Close — Range —
Q3 2014
Shares 194,924 Value ($000) $7,649 Avg Close — Range —
Q2 2014
Shares 185,976 Value ($000) $5,188 Avg Close — Range —
Q1 2014
Shares 187,457 Value ($000) $5,136 Avg Close — Range —
Q4 2013
Shares 178,737 Value ($000) $4,659 Avg Close — Range —
Q3 2013
Shares 176,264 Value ($000) $4,367 Avg Close — Range —
Q2 2013
Shares 169,113 Value ($000) $3,541 Avg Close — Range —