NTT DoCoMo to Test International Roaming for Wireless LAN Services

Partnerships

TOKYO, JAPAN, March 8, 2004 --- NTT DoCoMo, Inc. (DoCoMo) announced today that DoCoMo and Singapore Telecom Mobile Pte Ltd (SingTel Mobile) will conduct a trial to test international roaming between their Wireless LAN services. The trial is aimed at verifying technologies and marketability under a plan to jointly launch a commercial international roaming service.

During the trial, DoCoMo and SingTel Mobile will share access to their respective Mzone™ and "Outdoor Wireless Surf" Wireless LAN services, which they currently offer at cafes and other locations to enable users to connect to the Internet via PDAs and notebooks equipped with Wireless LAN cards. DoCoMo's Mzone service is currently available at 216 locations in Japan and SingTel Mobile's Outdoor Wireless Surf service is available at more than 230 locations in Singapore.

To participate in the roaming trial, users from Japan must subscribe to DoCoMo's Mzone service and will be asked to answer questionnaires before and after the trial. There will be no charge for participation other than the regular basic fee for the Mzone service.

In April 2003, DoCoMo and SingTel Mobile agreed to collaborate in 3G mobile multimedia services based on W-CDMA technology, including the joint study of advanced Wireless LAN services. Today's announcement is a part of this agreement.

The trial will be conducted from April to June 2004. Details on how to participate and other information regarding the trial will be announced later in DoCoMo's Mzone website at www.nttdocomo.co.jp/p_s/mzone (Japanese only).



About NTT DoCoMo
NTT DoCoMo is the world's leading mobile communications company with more than 47 million customers. The company provides a wide variety of leading-edge mobile multimedia services. These include i-mode®, the world's most popular mobile internet service, which provides e-mail and internet access to over 40 million subscribers, and FOMA®, launched in 2001 as the world's first 3G mobile service based on W-CDMA. In addition to wholly owned subsidiaries in Europe and North America, the company is expanding its global reach through strategic alliances with mobile and multimedia service providers in Asia-Pacific, Europe and North America. NTT DoCoMo is listed on the Tokyo (9437), London (NDCM), and New York (DCM) stock exchanges. For more information, visit www.nttdocomo.co.jp/english

i-mode and FOMA are trademarks or registered trademarks of NTT DoCoMo, Inc. in Japan and other countries.
NTT DoCoMo's FOMA service is available only to subscribers in Japan.
Mzone is a trademark of NTT DoCoMo, Inc. in Japan.

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