Contact Information

Microsoft Investor Relations

Reason for Contacting

Questions related to Microsoft finance or stock

E-mail

msft@microsoft.com

Phone

(800) 285-7772 (United States)

(425) 706-4400 (International)

Address

Investor Relations Department

Microsoft Corporation

One Microsoft Way

Redmond, Washington 98052-6399

Computershare

Reason for Contacting

Computershare is Microsoft's transfer agent. Investors interested in purchasing shares directly or registered shareholders wanting to make changes to their account should contact Computershare. If you own shares through a brokerage firm, you need to contact the brokerage firm directly to make any account changes.

Internet

Computershare

Email

web.queries@computershare.com

Phone

(800) 285-7772 Option 1 (United States)

(425) 706-4400 Option 1 (International)

For Written Shareholder Inquiries
By Mail:

Computershare

P.O. Box 43006

Providence RI 02940-3078

By Overnight/Certified/Registered Delivery