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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
316793	International Rectifier Corp	IRF	Semiconductors & Related Devices (3674)	951528961

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1226464	Didier Hirsch	101 N. Sepulveda Boulevard El Segundo CA 90245		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-05-09	1,000	$19.49	1,000	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-Qualified Stock Option (right to buy)	Acquisiton	2012-03-26	20,000	$0.00	20,000	$22.72
Common Stock	Restricted Stock Unit	Acquisiton	2012-03-26	1,444	$0.00	1,444	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
20,000	2013-03-26	2017-03-25	No	4	A	Direct
1,444	2013-03-26	2013-03-26	No	4	A	Direct

Footnotes

This grant represents a one-time option award made under Company practice to a non-employee director joining the Board of Directors.
This option vests in three equal installments of 33 1/3% per year on each of the first three anniversary dates.
This grant represents the restricted stock unit ("RSU") award made under Company practice to a non-employee director joining the Board of Directors, in an amount equal to annual RSU award for non-employee directors, pro-rated for the director's term of service during the fiscal year.