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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
827054	Microchip Technology Inc	MCHP	Semiconductors & Related Devices (3674)	860629024

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1181945	J Richard Simoncic	C/O Microchip Technology Incorporated 2355 West Chandler Boulevard Chandler AZ 85224-6199	Vp, Analog And Intrfc Prod Div	No	Yes	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	Disposition	2011-05-06	2,121	$40.76	124,350	No	4	S	Indirect	Shares held Directly and Indirectly, by Trust and by Reporting Person's Wife and Mother-in-Law.
Common Stock	Disposition	2011-05-09	42,596	$40.68	81,754	No	4	S	Indirect	Shares held Directly and Indirectly, by Trust and by Reporting Person's Wife and Mother-in-Law.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	Shares held Directly and Indirectly, by Trust and by Reporting Person's Wife and Mother-in-Law.
No	4	S	Indirect	Shares held Directly and Indirectly, by Trust and by Reporting Person's Wife and Mother-in-Law.

Footnotes

The sale(s) reported in this Form 4 was/were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on 12/2/2010.
Of the 124,350 shares held, 7,652 shares were held Directly; 116,473 shares were held by Trust; and 225 shares were held by Reporting Person's wife and mother-in-law.
Of the 81,754 shares held, 7,652 shares were held Directly; 73,877 shares were held by Trust; and 225 shares were held by Reporting Person's wife and mother-in-law.