Vista Gold Announces Expected Closing Date for Completion of Arrangement

    DENVER, April 30 /CNW/ -- Vista Gold Corp. (Amex:   VGZ; TSX) ("Vista")
announced today that the U.S. Securities and Exchange Commission has completed
the review process with respect to the registration of Allied Nevada Gold
Corp. common stock ("Allied Nevada Shares") under the U.S. Securities Exchange
Act of 1934.  The previously announced arrangement involving Vista, Allied
Nevada Gold Corp. ("Allied Nevada"), and Carl and Janet Pescio, is expected to
close on May 10, 2007.  All shareholders of Vista on the closing date of the
arrangement will participate in the arrangement.  If you are a shareholder and
you have not reviewed the management information and proxy circular of Vista
dated October 11, 2006 (the "Circular"), which provides detailed information
on the arrangement, including information of certain tax consequences of the
arrangement, you should download a copy of the Circular from SEDAR at
    Letters of Transmittal were mailed to registered shareholders of Vista on
October 20, 2006.  If you are a registered shareholder and have not received a
Letter of Transmittal, contact the Depositary, Computershare Investor Services
Inc., at 1 (800) 564-6253 or download a copy from SEDAR at  If
you hold your shares through a broker or intermediary, you should carefully
follow the instructions of such broker or intermediary in order to submit your
shares.  Completed Letters of Transmittal, along with certificates
representing your shares, must be submitted in accordance with the Letters of
Transmittal to receive certificates representing new shares of Vista and
Allied Nevada Shares and a check for any cash payment to which the registered
shareholder is entitled to under the arrangement, all subject to applicable
withholding taxes.
    Vista will issue a press release prior to the closing of the arrangement
that will disclose the number of Allied Nevada Shares that will be distributed
by Vista to shareholders of Vista as part of the arrangement.  The number of
Allied Nevada Shares to be distributed by Vista will be a pro rata portion of
(a) the number of Allied Nevada Shares received by Vista as part of the
arrangement less (b) the number of Allied Nevada Shares retained by Vista to
facilitate the payment of any taxes payable by Vista in respect of the
arrangement.  The exact number of Allied Nevada Shares (i) issuable to Vista
under the arrangement and (ii) to be retained by Vista to facilitate the
payment of any taxes payable by Vista in respect of the arrangement will not
be determined until immediately prior to the closing.  In addition, any
distribution to shareholders may be subject to withholding taxes (as described
in the Circular) which amount will be paid from the proceeds of selling Allied
Nevada Shares withheld by Vista from distribution to Vista shareholders.
    In addition, after closing Vista will advise the holders of warrants, as
required under the notice provisions of the warrants, of the adjustment made
to the warrants as part of the arrangement.

    About Vista Gold Corp.
    Vista Gold Corp., based in Littleton, Colorado, evaluates and acquires
gold projects with defined gold resources.  Additional exploration and
technical studies are undertaken to maximize the value of the projects for
eventual development.  The Company's holdings include the Maverick Springs,
Mountain View, Hasbrouck, Three Hills, Wildcat projects, the F.W. Lewis, Inc.
properties and the Hycroft mine, all in Nevada, the Long Valley project in
California, the Yellow Pine project in Idaho, the Paredones Amarillos and
Guadalupe de los Reyes projects in Mexico, the Mt. Todd project in Australia,
the Amayapampa project in Bolivia and the Awak Mas project in Indonesia.

    Forward-Looking Statements
    This press release contains forward-looking statements within the meaning
of the U.S. Securities Act of 1933 and U.S. Securities Exchange Act of 1934.
All statements, other than statements of historical facts, included in this
press release that address activities, events or developments that Vista
expects or anticipates will or may occur in the future, including such things
as future business strategy, competitive strengths, goals, expansion and
growth of Vista's or Allied Nevada's businesses, operations, plans and other
such matters are forward-looking statements.  When used in this press release,
the words "estimate", "plan", "anticipate", "expect", "intend", "believe" and
similar expressions are intended to identify forward-looking statements. These
statements involve known and unknown risks, uncertainties and other factors
which may cause the actual results, performance or achievements of Vista and
Allied Nevada, including anticipated consequences of the contemplated
transaction described herein, to be materially different from any future
results, performance or achievements expressed or implied by such
forward-looking statements.  Such factors include, among others, risks that
Vista's or Allied Nevada's acquisition, exploration and property advancement
efforts will not be successful; risks relating to fluctuations in the price of
gold; the inherently hazardous nature of mining-related activities;
uncertainties concerning reserve and resource estimates; potential effects on
Vista's or Allied Nevada's operations of environmental regulations in the
countries in which they operate; risks due to legal proceedings; uncertainty
of being able to raise capital on favorable terms or at all; and risks that
may affect Vista's ability to complete the contemplated transaction described
herein; as well as those factors discussed in Vista's latest Annual Report on
Form 10-K and Quarterly Report on Form 10-Q and other documents filed with the
U.S. Securities and Exchange Commission.  Although Vista has attempted to
identify important factors that could cause actual results to differ
materially from those described in forward-looking statements, there may be
other factors that cause results not to be as anticipated, estimated or
intended.  There can be no assurance that such statements will prove to be
accurate as actual results and future events could differ materially from
those anticipated in such statements.  Vista assumes no obligation to publicly
update any forward-looking statements, whether as a result of new information,
future events or otherwise.

    For further information, please contact Gregory G. Marlier at (720)
981-1185, or visit the Vista Gold Corp. website at

For further information:

For further information: Gregory G. Marlier of Vista Gold Corp., 
+1-720-981-1185 Web Site:

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