Media Alert: T-Mobile Kicks Off #BallBusterChallenge in the San Juans

San Juan Island, WA — January 26, 2016 (6:00AM)

Today Un-carrier™ begins its #BallBusterChallenge in the San Juans to demonstrate the current reach of the T-Mobile network and debunk Verizon’s year-old network claims.

Last year, T-Mobile more than doubled its LTE coverage footprint, adding nearly 1 million square miles of new 4G LTE coverage to cover 304 million Americans - 98% the number of customers that Verizon does, while delivering the fastest 4G LTE network in the nation. Meanwhile, Verizon’s network virtually stood still in comparison.

Now, Verizon customers in the San Juans will have the chance to see for themselves if their network is actually better and win $100 if they can prove it. If they lose, they they’ll pose for a photo with a network sign of shame, with options like “T-Mobile’s just busted Verizon’s network myth #BallBusterChallenge,” and “T-Mobile’s network was just as good as Verizon’s #BallBusterChallenge” (but we’ll toss in a consolation prize for playing).

Local Verizon customers and media alike can take the #BallBusterChallenge by meeting Team Magenta in downtown Friday Harbor and Roche Harbor at the following locations and times:

10:00 AM – 11:30AM: Friday Harbor, San Juan Island, WA 98250 . The Challenge team will be roving in the downtown area near 2 nd Avenue between Spring & Court Streets.

. The Challenge team will be roving in the downtown area near 2 Avenue between Spring & Court Streets. 12:30 PM – 2:00PM: Roche Harbor, San Juan Island, WA 98250. The Challenge team will be in and near McMillin’s Dining Room near the Roche Harbor Resort.

You can also follow along on social at #BallBusterChallenge or @TMobile.

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About T-Mobile US, Inc.

As America's Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The Company's advanced nationwide 4G LTE network delivers outstanding wireless experiences to approximately 61 million customers who are unwilling to compromise on quality and value. Based in Bellevue, Washington, T-Mobile US provides services through its subsidiaries and operates its flagship brands, T-Mobile and MetroPCS. For more information, please visithttp://www.t-mobile.com

Media Contacts

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