INTERNATIONAL RECTIFIER CORP

CUSIP: 460254105 Class: COMMON STOCK

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2014
Shares 1,120,000 Value ($000) $44,688 Avg Close — Range —
Q3 2014
Shares 759,200 Value ($000) $29,791 Avg Close — Range —