INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q2 2014
Shares 48,000 Value ($000) $1,339 Avg Close — Range —
Q1 2014
Shares 52,900 Value ($000) $1,449 Avg Close — Range —
Q4 2013
Shares 200,500 Value ($000) $5,227 Avg Close — Range —
Q3 2013
Shares 29,589 Value ($000) $733 Avg Close — Range —