NTT DOCOMO USA and T-Mobile Partner to Provide Wireless Service for Japanese Ex-Pats in United States

September 08, 2013

NTT DOCOMO USA and T-Mobile Partner to Provide Wireless Service for Japanese Ex-Pats in United States

Wireless leaders eyeing future collaboration opportunities in United States

NEW YORK - September, 9 2013 - NTT DOCOMO USA, Inc. and T-Mobile US, Inc. (NYSE: TMUS)today announced a new partnership to strengthen DOCOMO's network service for hundreds of thousands of Japanese expatriates in the United States.

The partnership, which could expand over time, demonstrates NTT DOCOMO USA's commitment to grow its existing MVNO (mobile virtual network operator) business, which was launched in 2011. By the end of the year, NTT DOCOMO USA anticipates it will deliver service over T-Mobile's nationwide 4G network - providing access to a rich and compelling mobile experience for existing customers - while also attracting new customers. NTT DOCOMO USA will offer customers a wide variety of new pricing plans and options.

For T-Mobile, the deal brings another strong brand into its growing MVNO partner portfolio and opens the door to further work with Japan's predominant mobile phone operator, NTT DOCOMO.

"NTT DOCOMO USA is happy to be working with T-Mobile. This new relationship will help us to improve service to our existing customers as well as attract new subscribers," said Masaaki Maeda, president and CEO of NTT DOCOMO USA.

"T-Mobile is incredibly honored to be affiliated with one of the world's great mobile phone companies," said John Legere, president and CEO of T-Mobile US. "We'll kick off this relationship with NTT DOCOMO USA by extending our blazing-fast nationwide 4G network to about 400,000 Japanese students, workers and other expatriates who know and love the DOCOMO brand. It's a great starting point as we identify future opportunities for collaboration between our two companies."

About NTT DOCOMO USA

Headquartered in New York, and with offices in Washington DC and Hawaii, NTT DOCOMO USA, Inc. is a wholly-owned US subsidiary of NTT DOCOMO.

Through its wholly-owned subsidiary, DOCOMO USA Wireless, the company markets and operates mobile phone services for customers residing in the US.

DOCOMO USA also investigates business development opportunities in the wireless space in the Americas; conducts research on IT and wireless business trends and the regulatory environment; operates customer support desks throughout the US; provides mobile solutions for corporate customers; and provides support to NTT DOCOMO's investor relations activities.

About T-Mobile US, Inc.:As America's Un-carrier, T-Mobile US, Inc. (NYSE: "TMUS") is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The company's advanced nationwide 4G and 4G LTE network delivers outstanding wireless experiences for customers who are unwilling to compromise on quality and value. Based in Bellevue, Wash., T-Mobile US operates its flagship brands, T-Mobile and MetroPCS. It currently serves approximately 44 million wireless subscribers and provides products and services through 70,000 points of distribution. For more information, please visit https://www.t-mobile.com.

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DOCOMO USA, Inc. Media Contacts:

Curtis

Investor Relations and Corporate Communications

schenck@docomo-usa.com

T-Mobile Media Contacts:

Media Relations

T-Mobile US, Inc.

MediaRelations@T-Mobile.com

https://newsroom.t-mobile.com

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