Virgin Mobile USA to Announce First Quarter Financial Results and Host Conference Call on May 5, 2008

WARREN, N.J., April 28 /PRNewswire-FirstCall/ — Virgin Mobile USA,
Inc. (NYSE: VM) will release its first quarter financial results after
market close on Monday, May 5, 2008, and host a related conference call
beginning at 5:00 p.m. Eastern Time that same day.

Daniel H. Schulman, Chief Executive Officer, and John D. Feehan Jr.,
Chief Financial Officer, will review Virgin Mobile USA’s first quarter
financial results. Following the review will be a question and answer
session. The conference call is expected to last approximately one hour and
a simultaneous audio webcast of the call will be available on the Investor
Relations section of Virgin Mobile USA’s Web site at
http://investorrelations.virginmobileusa.com/ .

Investors and analysts may participate in the live conference call by
dialing 1-(888)354-3598 (toll-free domestic) or 1-(706)643-8861
(international); passcode: 44918911. Participants should register at least
10 minutes before the conference call begins. A replay of the call will be
available for one week via telephone starting approximately two hours after
the call ends. The replay can be accessed at 1-(800)642-1687 (toll-free
domestic) or 1-(706)645-9291 (international); passcode: 44918911. The
webcast will be archived on Virgin Mobile USA’s Web site for 30 days after
the call.

About Virgin Mobile USA, Inc.

Virgin Mobile USA, Inc. (NYSE: VM), through its operating company
Virgin Mobile USA, L.P., offers more than 5 million customers control,
flexibility and choice in wireless service, rich data content and
innovative products without annual contracts. Voice pricing plans range
from monthly options with unlimited nights and weekends to by-the-minute
offers, allowing consumers to adjust how and what they pay according to
their needs. Virgin Mobile’s smart, stylish and affordable handsets,
including the Wild Card, Super Slice and Flare, are available at top
retailers in more than 40,000 locations nationwide and online at
http://www.virginmobileusa.com/ , with Top-Up cards available at more than
140,000 locations.

J.D. Power and Associates has ranked Virgin Mobile USA highest in
customer satisfaction among wireless prepaid services in 2006 and 2007, and
its customers report a 90% satisfaction rate. Virgin Mobile USA contributes
a portion of its profits from downloadable content to The RE*Generation,
its pro-social initiative to help homeless youth; and provides postage-paid
return envelopes in every new package for customers to recycle old phones.
Virgin Mobile USA’s national coverage is powered by the nationwide Sprint
PCS network.

This press release contains certain forward-looking statements and
information relating to us that are based on the beliefs of our management
as well as assumptions made by, and information currently available to, us.
These statements include, but are not limited to, statements about our
strategies, plans, objectives, expectations, intentions, expenditures, and
assumptions and other statements contained in this document that are not
historical facts. When used in this press release, words such as
“anticipate,” “believe,” “estimate,” “expect,” “intend,” “plan” and
“project” and similar expressions, as they relate to us are intended to
identify forward-looking statements. These statements reflect our current
views with respect to future events, are not guarantees of future
performance, and involve risks and uncertainties that are difficult to
predict. Further, certain forward-looking statements are based upon
assumptions as to future events that may not prove to be accurate. Many
factors could cause our actual results, performance or achievements to be
materially different from any future results, performance or achievements
that may be expressed or implied by such forward-looking statements. The
potential risks and uncertainties that could cause actual results to differ
from the results predicted include, among others, those risks and
uncertainties discussed in our filings with the Securities and Exchange
Commission, copies of which are available on our investor relations website
at http://investorrelations.virginmobileusa.com/ and on the SEC website at
http://www.sec.gov/ . We neither intend nor assume any obligation to update
these forward-looking statements, which speak only as of their dates.

SOURCE Virgin Mobile USA, Inc.