T-Mobile Reschedules Q3 2016 Earnings Call on October 24, 2016 at New Time

BELLEVUE, Wash.–(BUSINESS WIRE)–In order to accommodate analysts and media covering the AT&T and Time
Warner news, T-Mobile US, Inc. (NASDAQ: TMUS)
has rescheduled its earnings call and open conversation to discuss the
company’s third quarter 2016 financial and operational results to
Monday, October 24, 2016 at 10:00 a.m. Eastern Daylight Time (EDT) (previously
scheduled for 9:30 a.m. EDT)
. Similar to past quarters, prepared
remarks will be kept to a minimum in order to provide more time for
free-flowing dialogue with analysts, investors, media and consumers.

Participants will have multiple ways to submit questions including via
phone, Twitter (tweet @TMobileIR
or @JohnLegere
using $TMUS) and Facebook (www.facebook.com/JohnJLegere
via post comment). T-Mobile will also take questions via text and
respond to some of them on the call (send a text message to 313131,
enter the keyword TMUS followed by a space).

The call will be live-streamed via the Company’s Investor Relations
website at http://investor.t-mobile.com.

T-Mobile US, Inc. will issue a press release and Investor Factbook
reporting its results at approximately 7:30 a.m. EDT on Monday, October
24, 2016. The press release and Investor Factbook will be posted at the
same time on the Investor Relations website at http://investor.t-mobile.com.

Q3 2016 Earnings Call, Livestream and
Webcast Access Information

Access via Phone (audio only):  
Date: Monday, October 24, 2016
Time: 10:00 a.m. (EDT)
Call-in Numbers: 800-432-9830
International: 719-234-7318
Participant Passcode: 8628938

Please plan on accessing the earnings call ten minutes prior to the
scheduled start time.

Access via Social Media:
The @TMobileIR
Twitter account will live-tweet the earnings call.

Submit Questions via Text, Twitter or Facebook:

Text:   Send a text message to 313131, enter the keyword TMUS followed by a

Send a tweet to @TMobileIR
or @JohnLegere
using $TMUS

Facebook: Post a comment to John Legere’s Facebook Earnings post

Access via Webcast:

The earnings call will be broadcast live via the Company’s Investor
Relations website at http://investor.t-mobile.com.
A replay of the earnings call will be available for two weeks starting
shortly after the call concludes and can be accessed by dialing
888-203-1112 (toll free) or 719-457-0820 (international). The passcode
required to listen to the replay is 8628938.

To automatically receive T-Mobile financial news by e-mail, please visit
the T-Mobile Investor Relations website, http://investor.t-mobile.com,
and subscribe to E-mail Alerts.

T-Mobile Social Media

Investors and others should note that the Company announces material
financial and operational information to its investors using its
investor relations website, press releases, SEC filings and public
conference calls and webcasts. The Company also intends to use the @TMobileIR
Twitter account (https://twitter.com/TMobileIR)
and the @JohnLegere
Twitter (https://twitter.com/JohnLegere),
Facebook and Periscope accounts, which Mr. Legere also uses as means for
personal communications and observations, as means of disclosing
information about the Company and its services and for complying with
its disclosure obligations under Regulation FD. The information we post
through these social media channels may be deemed material. Accordingly,
investors should monitor these social media channels in addition to
following the Company’s press releases, SEC filings and public
conference calls and webcasts. The social media channels that the
Company intends to use as a means of disclosing the information
described above may be updated from time to time as listed on the
Company’s investor relations website.

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 more than 67.4
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 visit http://www.t-mobile.com
or join the conversation on Twitter using $TMUS.


Investor Relations Contacts:
Nils Paellmann, 212-358-3210 or
Vice President – Investor Relations
T-Mobile US Media Relations