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News Release - Monday, July 09, 2007
ESO Launches Drill Program On Cluff Lake Uranium Property
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ESO Uranium Corporation (ESO: TSX-V), the Company, is pleased to
announce that Cyr Drilling International of Winnipeg has commenced
drilling a 100 hole program on its Cluff Lake properties, Saskatchewan.

The Cluff Lake mines, which were mostly shallow, open pit operations,
produced 63 million pounds of uranium oxide with an average grade of
0.93% and significant gold values. The first property to be drilled
adjoins the boundary of the former Cluff Lake producer and is under
option from Hathor Exploration Inc (HAT: TSX-V). ESO can earn a 50%
interest before entering a joint venture and that earn-in will be
completed early in this drilling program.

The first drilling will be carried out on the Bridle Lake Zone to
follow up on mineralization identified in assessment reports describing
earlier drill results. Historical work on the zone, located just 2000
meters north of the Cluff Lake Mines boundary, included two percussion
drill holes completed by the mine operator, AMOK (MOKTA), in 1979.
These holes intersected 0.11% uranium oxide over 1.5 meters from 17.2
to 18.7 meters (CAR 316A) and 0.12% uranium oxide over 0.4 meters from
52.6 to 53 meters (CAR 278).

Samples from the ESO drill program will be sent express to Loring
Laboratories Ltd., in Calgary, who have considerable experience in the
assaying of ores from the Cluff Mines.

In addition to this first drill target, drilling is planned on several
conductors that were detailed by airborne and ground electromagnetic
surveys immediately to the east of the Bridle Lake Zone. These
conductors were located close on the up-ice area from a radioactive
boulder field reported by AMOK Ltee to have values up to 0.85% (17
lbs/st.) uranium oxide. Radon surveys by ESO also identified two areas
of strongly anomalous radon gas in soils, close to the conductors.
Radon gas, a product of the radioactive decay of uranium, can indicate
the presence of uranium at depth in the bedrock.

For reference, the current spot price quoted by Kitco for uranium is
US$135 per pound of U3O8; an assay reported as 1.0% of U3O8 is equal to
20 pounds of uranium oxide per short ton -- the conversion of percent
metal or metal oxide from percent to pounds per short ton is done by
multiplying the % value by 20.

On behalf of the Board of Directors of ESO Uranium Corp.

"Ben Ainsworth"
Vice President, Exploration

For corporate communications please contact:

Tom Corcoran or Bob Meister
ESO Uranium Corp.
Vancouver, BC
Toll Free: 1-866-629-8368
Phone: (604) 629-0293
Email: info@esouranium.com

Please bookmark www.esouranium.com for future reference and ongoing
updated information.

The Toronto Venture Exchange has not reviewed nor accepted
responsibility for the adequacy or accuracy of the contents of this
news release which has been prepared by management. Statements
contained in this news release that are not historical facts are
forward looking statements as that term is defined in the private
securities litigation reform act of 1995. Such forward looking
statements are subject to risks and uncertainties which could cause
actual results to differ materially from estimated results. Such risks
and uncertainties are detailed in the Company's filing with the
Securities and Exchange Commission.

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Copyright (c) 2007 ESO URANIUM CORP. (ESO) All rights reserved. For
more information visit our website at http://www.esouranium.com/ or
send mailto:info@esouranium.com
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