Microsoft to Comment on European Commission Announcement

BRUSSELS -

- Significant measures offered by Microsoft to address broad range of antitrust issues in Europe.

What: Today the European Commission announced its decision to market test a set of measures that Microsoft Corp. has offered to address competition law issues relating to Internet Explorer and Windows, and also welcomed Microsoft’s updated proposals concerning interoperability. Brad Smith, Microsoft senior vice president and general counsel, will host a press teleconference call at 4 a.m. PDT on Oct. 7, 2009, to discuss the implications of today’s news. When: Oct. 7, 2009; 4 a.m. Pacific Daylight Time Where: To connect to the conference call please use one of the dial-in numbers listed. below: - Passcode: “Microsoft” - R.S.V.P.: No R.S.V.P required When you call in, you will automatically go to “music on hold,” and the first available operator will ask you for your name and company. Please stay on the line (do not put your phone on hold) until an operator acknowledges you. To help ensure the conference call starts on time, please call 15 minutes in advance.

Participant Dial-In Numbers Country Toll Numbers Toll-Free Number ARGENTINA 0800-777-0466 AUSTRALIA ADELAIDE: +61-8-8121-4872 1-800-098-380 AUSTRALIA BRISBANE: +61-7-3102-0974 1-800-098-380 AUSTRALIA CANBERRA: +61-2-6100-1974 1-800-098-380 AUSTRALIA MELBOURNE: +61-3-9010-7743 1-800-098-380 AUSTRALIA PERTH: +61-8-9467-5253 1-800-098-380 AUSTRALIA SYDNEY: +61-2-8211-1392 1-800-098-380 AUSTRIA +43-1-92-86-508 0800-677-286 BELGIUM +32-2-400-1325 0800-4-9718 BRAZIL 0800-8911991 CHILE 1230-020-0323 CHINA* +86-400-810-4771 10800-712-1296 CHINA 10800-120-1296 COLOMBIA 01800-9-156436 CZECH REPUBLIC +420-2-25-98-56-56 800-700-224 DENMARK +45-7014-0274 8088-5430 ESTONIA 800-011-1131 FINLAND Land line: +358-106-33-198 0-800-1-12828 FINLAND Mobile: +09-106-33-198 0-800-1-12828 FRANCE LYON: +33-4-26-69-12-89 080-510-0983 FRANCE MARSEILLE: +33-4-86-06-00-89 080-510-0983 FRANCE PARIS: +33-1-70-70-84-55 080-510-0983 GERMANY +49-69-2222-3467 0800-101-7055 GREECE +30-80-1-100-0671 00800-12-6809 HONG KONG +852-3001-3838 800-908-208 HUNGARY 06-800-17568 INDIA 000-800-852-1228 INDONESIA 001-803-011-3651 IRELAND +353-1-247-5393 1800-932-053 ISRAEL 1-80-9214710 ITALY +39-02-3604-7039 800-906-460 JAPAN OSAKA: +81-6-7739-4773 0034-800-400651 JAPAN TOKYO: +81-3-5539-5160 0034-800-400651 LATVIA 8000-2927 LUXEMBOURG +352-27-000-1349 MALAYSIA 1-800-81-2060 MEXICO 001-866-839-3438 NETHERLANDS +31-20-717-6857 0800-343-4364 NEW ZEALAND +64-9-970-4656 0800-441-333 NORWAY +47-21-59-00-47 800-11118 PANAMA 011-001-800-5072132 PERU 0800-53716 PHILIPPINES +63-2-858-3737 POLAND 00-800-1211774 PORTUGAL 8008-60134 RUSSIA 8-10-8002-0074011 SINGAPORE +65-6883-9204 800-120-4247 SLOVAK REPUBLIC +421-2-322-422-29 SOUTH AFRICA 080-09-92283 SOUTH KOREA +82-2-6744-1058 00798-14800-6607 SPAIN +34-91-414-00-91 800-099-387 SWEDEN +46-8-505-98-263 0200-893-409 SWITZERLAND +41-44-580-3896 0800-001-214 TAIWAN +886-2-2795-7354 00801-137-661 THAILAND 001-800-1206-65426 UNITED KINGDOM BIRMINGHAM: +44-121-210-9029 0800-279-9630 UNITED KINGDOM GLASGOW: +44-141-202-3229 0800-279-9630 UNITED KINGDOM LEEDS: +44-113-301-2129 0800-279-9630 UNITED KINGDOM LONDON: +44-20-7108-6390 0800-279-9630 UNITED KINGDOM MANCHESTER: +44-161-601-1429 0800-279-9630 URUGUAY 000-413-598-3416 USA +1-210-795-0624 866-617-1526 VENEZUELA 0800-1-00-3211

*Access to your conference call will be either of the numbers listed, dependent on the participants’ local telecom provider. Restrictions may exist when accessing toll-free numbers using a mobile telephone.

Instant Replay Plus Information Replays are generally available one hour after a call ends. This replay will be available for 30 days. Toll-free: (800)871-1323 Toll: +1-203-369-3841 Passcode: 6589

More information is available on PressPass: www.microsoft.com/presspass/presskits/eu-msft.

(Logo: www.newscom.com/cgi-bin/prnh/20000822/MSFTLOGO)

Source: Microsoft Corp.

Kevin Kutz, +1-425-984-4777, kkutz at microsoft.com, or Jesse Verstraete, +32(2)-704-3937, jesse.verstraete at microsoft.com, both of Microsoft, or Anne-Sophie de Brancion, GPlus Europe, +32(0)484-140-313, anniesophiedebrancion at gpluseurope.com for Microsoft; or Rapid Response Team or Waggener Edstrom Worldwide, rrt at waggeneredstrom.com, for Microsoft / NOTE TO EDITORS: If you are interested in viewing additional information on Microsoft, please visit the Microsoft Web page at https://www.microsoft.com/presspass on Microsoft’s corporate information pages. Web links, telephone numbers and titles were correct at time of publication, but may since have changed. For additional assistance, journalists and analysts may contact Microsoft’s Rapid Response Team or other appropriate contacts listed at https://www.microsoft.com/presspass/contactpr.mspx. / Photo: Logo: https://www.newscom.com/cgi-bin/prnh/20000822/MSFTLOGO