Market Overview

T-Mobile, Ericsson and Intel Complete World's First 5G Call on 600 MHz


Achievement marks another milestone on the road to nationwide 5G

  • What's the news: T-Mobile, Ericsson and Intel have achieved the
    world's first 5G data call and video call on 600 MHz, both on a live
    commercial network. T-Mobile also accomplished a tri-band 5G video
    call with three users on different spectrum bands – 600 MHz, 28 GHz
    and 39 GHz.
  • Why it matters: Only the New T-Mobile is focused on bringing 5G
    to everyone, everywhere, and this latest successful test takes America
    one step closer to nationwide broad, deep 5G coverage.
  • Who it's for: Anyone who thinks 5G should 1) be available to
    everyone, everywhere and 2) work indoors and out.

The world is on the verge of a 5G revolution, and T-Mobile (NASDAQ: TMUS) firmly believes everyone needs to benefit, not just the few. Along
with Intel and Ericsson, the Un-carrier just took another step toward
delivering nationwide 5G, pulling off the world's first 5G data call and
video call on 600 MHz (including successful uplink and downlink
communication), both on a live commercial network! During the tests, the
teams generated a 5G signal capable of covering more than a thousand
square miles from a single tower! T-Mobile also accomplished a tri-band
5G video call with three users on different spectrum bands – 600 MHz, 28
GHz and 39 GHz. The tests represent a step forward for the multi-band
spectrum strategy the New T-Mobile will use to blanket the country with
transformative next-generation 5G technology.

The New T-Mobile, when approved, will provide 5G to customers on
multiple spectrum bands, including low-band, mid-band and millimeter
wave, to ensure the benefits of 5G can reach everyone. Low-band 600 MHz
spectrum delivers a broad layer of 5G and provides much-needed balance
to millimeter wave (mmW) – which is an important piece of the 5G puzzle
– but has limited coverage (less than a square mile) and is unable to
pass through most objects, like walls. Together with Sprint, the New
T-Mobile will have critical mid-band spectrum to enable broad AND deep
nationwide 5G coverage.

"This is a huge accomplishment for Neville and his team, who had a
vision for nationwide 5G and are building it out the right way – across
multiple spectrum bands," said John Legere, Chief Executive Officer of
T-Mobile. "While the other guys focus on 5G millimeter wave on a handful
of blocks in a handful of cities, we're building 5G
for everyone, everywhere
! And together with Sprint, we'll add
much-needed spectrum depth, creating a truly transformative 5G network!"

"We share the vision of T-Mobile to make 5G services available to
everyone across the United States," said Fredrik Jejdling, Executive
Vice President and Head of Business Area Networks at Ericsson. "We will
continue to work closely together as 5G partners, testing possibilities
and reaching new milestones."

"5G will power vibrant new use cases that span across network, client
and cloud—spurring the convergence of computing and communications that
will enable exciting use cases ranging from virtual and augmented
reality and gaming, to smart cities, connected cars and intelligent data
analytics," said Sandra Rivera, senior vice president, Network Platform
Group, Intel. "This collaboration with Ericsson and T-Mobile conducted
over low-band spectrum and using the Intel® 5G Mobile Trial Platform is
a major milestone on the path to enabling the first wave of these types
of 5G experiences."

Visitors at CES will be able to check out T-Mobile's future 5G network
in action at T-Mobile's booth (Westgate - 1013), along with the
Un-carrier's Future
of Wireless Truck
. A live 5G demonstration will show attendees how
low-band spectrum is able to penetrate physical barriers like windows
and doors, while mmW cannot.

T-Mobile is already well on their way to delivering nationwide 5G in
2020, deploying 5G-ready equipment as they roll out 600 MHz Extended
Range LTE, which is already live in more than 1,500 cities and towns in
37 states and Puerto Rico.

Capable device required; 5G speeds may require qualifying plan or extra

Important Additional Information

In connection with the proposed transaction, T-Mobile US, Inc.
("T-Mobile") has filed a registration statement on Form S-4 (File No.
333-226435), which contains a joint consent solicitation statement of
T-Mobile and Sprint Corporation ("Sprint"), that also constitutes a
prospectus of T-Mobile (the "joint consent solicitation
statement/prospectus"), and each party will file other documents
regarding the proposed transaction with the U.S. Securities and Exchange
Commission (the "SEC"). The registration statement on Form S-4 was
declared effective by the SEC on October 29, 2018, and T-Mobile and
Sprint commenced mailing the joint consent solicitation
statement/prospectus to their respective stockholders on October 29,
IMPORTANT INFORMATION. Investors and security holders may obtain these
documents free of charge from the SEC's website or from T-Mobile or
Sprint. The documents filed by T-Mobile may be obtained free of charge
at T-Mobile's website, at,
or at the SEC's website, at,
or from T-Mobile by requesting them by mail at T-Mobile US, Inc.,
Investor Relations, 1 Park Avenue, 14th Floor, New York, NY 10016, or by
telephone at 212-358-3210. The documents filed by Sprint may be obtained
free of charge at Sprint's website, at,
or at the SEC's website, at,
or from Sprint by requesting them by mail at Sprint Corporation,
Shareholder Relations, 6200 Sprint Parkway, Mailstop KSOPHF0302-3B679,
Overland Park, Kansas 66251, or by telephone at 913-794-1091.

Participants in the Solicitation

T-Mobile and Sprint and their respective directors and executive
officers and other members of management and employees may be deemed to
be participants in the solicitation of consents in respect of the
proposed transaction. Information about T-Mobile's directors and
executive officers is available in T-Mobile's proxy statement dated
April 26, 2018, for its 2018 Annual Meeting of Stockholders. Information
about Sprint's directors and executive officers is available in Sprint's
proxy statement dated June 26, 2018, for its 2018 Annual Meeting of
Stockholders, and in Sprint's subsequent Current Report on Form 8-K
filed with the SEC on July 2, 2018. Other information regarding the
participants in the consent solicitation and a description of their
direct and indirect interests, by security holdings or otherwise, is
contained in the joint consent solicitation statement/prospectus.
Investors should read the joint consent solicitation
statement/prospectus carefully before making any voting or investment
decisions. You may obtain free copies of these documents from T-Mobile
or Sprint as indicated above.

No Offer or Solicitation

This communication shall not constitute an offer to sell or the
solicitation of an offer to buy any securities, nor shall there be any
sale of securities in any jurisdiction in which such offer, solicitation
or sale would be unlawful prior to registration or qualification under
the securities laws of any such jurisdiction. No offering of securities
shall be made except by means of a prospectus meeting the requirements
of Section 10 of the U.S. Securities Act of 1933, as amended.

Cautionary Statement Regarding Forward-Looking Statements

This communication contains certain forward-looking statements
concerning T-Mobile, Sprint and the proposed transaction between
T-Mobile and Sprint. All statements other than statements of fact,
including information concerning future results, are forward-looking
statements. These forward-looking statements are generally identified by
the words "anticipate," "believe," "estimate," "expect," "intend,"
"may," "could" or similar expressions. Such forward-looking statements
include, but are not limited to, statements about the benefits of the
proposed transaction, including anticipated future financial and
operating results, synergies, accretion and growth rates, T-Mobile's,
Sprint's and the combined company's plans, objectives, expectations and
intentions, and the expected timing of completion of the proposed
transaction. There are several factors which could cause actual plans
and results to differ materially from those expressed or implied in
forward-looking statements. Such factors include, but are not limited
to, the failure to obtain, or delays in obtaining, required regulatory
approvals, and the risk that such approvals may result in the imposition
of conditions that could adversely affect the combined company or the
expected benefits of the proposed transaction, or the failure to satisfy
any of the other conditions to the proposed transaction on a timely
basis or at all; the occurrence of events that may give rise to a right
of one or both of the parties to terminate the business combination
agreement; adverse effects on the market price of T-Mobile's or Sprint's
common stock and on T-Mobile's or Sprint's operating results because of
a failure to complete the proposed transaction in the anticipated
timeframe or at all; inability to obtain the financing contemplated to
be obtained in connection with the proposed transaction on the expected
terms or timing or at all; the ability of T-Mobile, Sprint and the
combined company to make payments on debt or to repay existing or future
indebtedness when due or to comply with the covenants contained therein;
adverse changes in the ratings of T-Mobile's or Sprint's debt securities
or adverse conditions in the credit markets; negative effects of the
announcement, pendency or consummation of the transaction on the market
price of T-Mobile's or Sprint's common stock and on T-Mobile's or
Sprint's operating results, including as a result of changes in key
customer, supplier, employee or other business relationships;
significant transaction costs, including financing costs, and unknown
liabilities; failure to realize the expected benefits and synergies of
the proposed transaction in the expected timeframes or at all; costs or
difficulties related to the integration of Sprint's network and
operations into T-Mobile; the risk of litigation or regulatory actions;
the inability of T-Mobile, Sprint or the combined company to retain and
hire key personnel; the risk that certain contractual restrictions
contained in the business combination agreement during the pendency of
the proposed transaction could adversely affect T-Mobile's or Sprint's
ability to pursue business opportunities or strategic transactions;
effects of changes in the regulatory environment in which T-Mobile and
Sprint operate; changes in global, political, economic, business,
competitive and market conditions; changes in tax and other laws and
regulations; and other risks and uncertainties detailed in the Form S-4,
as well as in T-Mobile's Annual Report on Form 10-K for the fiscal year
ended December 31, 2017 and in its subsequent reports on Form 10-Q,
including in the sections thereof captioned "Risk Factors" and
"Cautionary Statement Regarding Forward-Looking Statements," as well as
in its subsequent reports on Form 8-K, all of which are filed with the
SEC and available at
Forward-looking statements are based on current expectations and
assumptions, which are subject to risks and uncertainties that may cause
actual results to differ materially from those expressed in or implied
by such forward-looking statements. Given these risks and uncertainties,
persons reading this communication are cautioned not to place undue
reliance on such forward-looking statements. T-Mobile assumes no
obligation to update or revise the information contained in this
communication (whether as a result of new information, future events or
otherwise), except as required by applicable law.

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. Our advanced nationwide 4G LTE network
delivers outstanding wireless experiences to 77.2 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 Metro by T-Mobile. For more
information, please visit

About Ericsson

Ericsson enables communications service providers to capture the full
value of connectivity. The company's portfolio spans Networks, Digital
Services, Managed Services, and Emerging Business and is designed to
help our customers go digital, increase efficiency and find new revenue
streams. Ericsson's investments in innovation have delivered the
benefits of telephony and mobile broadband to billions of people around
the world. The Ericsson stock is listed on Nasdaq Stockholm and on
Nasdaq New York.

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