Denison Mines Inc.

Denison Mines Inc.

March 28, 2005 08:00 ET

Denison's Warrants Commence Trading On Toronto Stock Exchange


NEWS RELEASE TRANSMITTED BY CCNMatthews

FOR: DENISON MINES INC.

TSX SYMBOL: DEN

MARCH 28, 2005 - 08:00 ET

Denison's Warrants Commence Trading On Toronto Stock
Exchange

TORONTO, ONTARIO--(CCNMatthews - March 28, 2005) - Denison Mines Inc.
(TSX:DEN) is pleased to announce that its common share purchase warrants
which were originally issued on November 24, 2004 (the "Warrants") have
been listed and posted for trading on the Toronto Stock Exchange and
will commence trading today. The Warrants will trade under the symbol
"DEN.WT".

The certificates representing Warrants that were issued bearing a U.S.
legend may not be traded through the facilities of the Toronto Stock
Exchange. Any requests for transfers of Warrants represented by
certificates bearing a U.S. legend, in accordance with the U.S. legend,
should be made to Computershare Trust Company of Canada.

Each Warrant is exercisable for one common share of Denison for a period
of five years from the date of issue, at an exercise price of C$15.00
per common share. Denison's common shares trade on the Toronto Stock
Exchange under the symbol "DEN".

About Denison

Denison Mines Inc. is a uranium exploration, development and production
company whose principal asset is a 22.5% interest in one of the world's
largest uranium facilities at McClean Lake in Northern Saskatchewan and
its 25.17% interest in the Midwest Uranium Project. It is also engaged
in mine decommissioning and environmental services through its Denison
Environmental Services division.

The securities described in this news release have not been registered
under the U.S. Securities Act of 1933, as amended, and may not be
offered or sold in the United States absent registration or exemption
from the registration requirements. This press release shall not
constitute an offer to sell or the solicitation of an offer to buy, nor
shall there be any sale of the securities in any State in which such
offer, solicitation or sale would be unlawful.

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Contact Information

  • FOR FURTHER INFORMATION PLEASE CONTACT:
    Denison Mines Inc.
    E. Peter Farmer
    President and Chief Executive Officer
    (416) 979-1991 Ext. 231
    or
    Denison Mines Inc.
    James Anderson
    Executive Vice-President and Chief Financial Officer
    (416) 979-1991 Ext. 372
    www.denisonmines.com