Denison Mines Corp (DNN)

[NYBob]

Denison Initiates Ore Buying Program for White Mesa Mill -
Thursday July 5, 8:20 am ET
TORONTO, ONTARIO--(MARKET WIRE)--Jul 5, 2007 --

Denison Mines Corp. -
("Denison" or the "Company") (Toronto:DML.TO - News)
(AMEX:DNN - News) is pleased to announce the start of
a uranium ore buying program to supplement feed for
the Company's 100% owned White Mesa Mill in Utah.

The White Mesa Mill -
is a 2,000 ton per day dual circuit mill and is currently
the only conventional uranium mill operating in the U.S.

Ore from the Company's mining operations in the U.S.
is currently being stockpiled at the Mill with processing
scheduled to start in the first quarter of 2008.

The addition of purchased ore from third parties will
maximize the efficiency of this large capacity mill.

The Company anticipates purchasing approximately 40,000 tons
of uranium ore per year.

The ore buying schedule for the month of July is posted on
the Company's website -
http://www.denisonmines.com
and will be updated monthly.

Ron Hochstein, President and COO of Denison, commented,
"This new ore buying program is the first for -
the White Mesa Mill since 1998.
With current all time high prices, the uranium industry
has been rejuvenated in the four corner states area
with several mines being re-opened, including the Company's.

Denison's mill is the only operating one in a 500 mile radius
in the heart of the historic uranium producing district in
the U.S. and we very much look forward to working with
the independent miners in the region."

Denison Mines Corp.
is a premier intermediate uranium producer in North America,
with mining assets in the Athabasca Basin Region
of Saskatchewan, Canada and the southwest United States
including Colorado, Utah, and Arizona.

Further, the Company has ownership interests in two of
the four uranium mills operating in North America today.

The Company also has a strong exploration portfolio with
large land positions in the United States, Canada and
Mongolia.

Correspondingly, the Company has one of the largest uranium
exploration teams among intermediate uranium companies.

Cautionary Statements
This news release contains "forward-looking statements"--
- forward-looking statements, there may be other factors that
cause results not to be as anticipated, estimated or intended---- disclosure documents filed since
December 31, 2006 available at www.sedar.com,
for further information relating to their mineral
resources and mineral reserves --
--Inferred Mineral Resource exists, or is economically or
legally mineable.


Contact:

Contacts:
Denison Mines Corp.
E. Peter Farmer
[phone] ext. 231

Denison Mines Corp.
Ron Hochstein
[phone]

Denison Mines Corp.
James Anderson
[phone] ext. 372
[phone] (FAX)
Website:

http://www.denisonmines.com

Source: Denison Mines Corp.

http://biz.yahoo.com/iw/070705/0274289.html


The White Mesa mill -

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