Microsoft Announces Quarterly Earnings Release Date and Upcoming Event for the Financial Community / Events with Microsoft leadership slated for January.

REDMOND, Wash., Dec. 20, 2010 /PRNewswire-FirstCall/ -- Microsoft Corp. will publish fiscal year 2011 second-quarter financial results after the close of the market on Thursday, Jan. 27, 2011 on the Microsoft Investor Relations Web site at http://www.microsoft.com/investor. The release will not be distributed via newswire. A live webcast of the earnings conference call will be made available at 2:30 p.m. Pacific Time on the Microsoft Investor Relations Web site at http://www.microsoft.com/investor.

(Logo: http://photos.prnewswire.com/prnh/20000822/MSFTLOGO)

The company will also participate in the following event for the financial community:

J.P. Morgan Tech Forum at CES Thursday, January 6, 2011 8:00 a.m. PT Steve Guggenheimer, corporate vice president, OEM Division, Microsoft

Interested parties can listen to a webcast of this event on the Microsoft Investor Relations Web site at http://www.microsoft.com/investor.

Founded in 1975, Microsoft is the worldwide leader in software, services and solutions that help people and businesses realize their full potential.

Photo: http://photos.prnewswire.com/prnh/20000822/MSFTLOGO
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Microsoft Corp.

CONTACT: investors, Bill Koefoed, general manager, Investor Relations of
Microsoft, [phone], or media, Rapid Response Team of Waggener Edstrom
Worldwide, [phone], [e-mail], for Microsoft

Web Site: http://www.microsoft.com/