INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2014
Shares 5,958 Value ($000) $237 Avg Close — Range —
Q3 2014
Shares 5,958 Value ($000) $235 Avg Close — Range —
Q2 2014
Shares 5,958 Value ($000) $166 Avg Close — Range —
Q1 2014
Shares 13,668 Value ($000) $373 Avg Close — Range —
Q4 2013
Shares 14,765 Value ($000) $386 Avg Close — Range —
Q3 2013
Shares 17,576 Value ($000) $435 Avg Close — Range —
Q2 2013
Shares 18,190 Value ($000) $381 Avg Close — Range —