MICROSOFT CORP — Director's Dealing 2010

Dec 30, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MICROSOFT CORP (MSFT)
CIK: 0000789019
Period of Report: 2010-12-30

Reporting Person: DelBene Kurt D (President, Offfice Division)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-30	Common Stock	M	17460	$25.1438	Acquired	132161	Direct
2010-12-30	Common Stock	S	17460	$27.96	Disposed	115161	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-30	Employee Stock Option (right to buy) No. 0285355	$25.1438	M	17460	Disposed	2011-02-20	Common Stock (17460)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4282	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy) No. 0285356	$25.1438	2011-02-20	Common Stock (43649)	43649	Direct

Footnotes

F1: The exercise of the stock option and the sale of the underlying shares were made under a 10b5-1 plan previously adopted by the reporting person.