MICROSOFT CORP — Director's Dealing 2010

Dec 22, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MICROSOFT CORP (MSFT)
CIK: 0000789019
Period of Report: 2010-12-20

Reporting Person: SINOFSKY STEVEN J (President, Windows Division)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-20	Common Stock	M	44444	$25.1438	Acquired	737951	Direct
2010-12-20	Common Stock	S	44444	$27.90	Disposed	693507	Direct
2010-12-22	Common Stock	M	44444	$25.1438	Acquired	737951	Direct
2010-12-22	Common Stock	S	44444	$27.98	Disposed	693507	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-20	Employee Stock Option (Right to Buy)	$25.1438	M	44444	Disposed	2011-02-20	Common Stock (44444)	Direct
2010-12-22	Employee Stock Option (Right to Buy)	$25.1438	M	44444	Disposed	2011-02-20	Common Stock (44444)	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.