Mesa Uranium Corp.

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 February 26, 2008
Mesa Expands Land Holdings, Forms WellProbe Geophysical With New Horizon Uranium

 Mesa Uranium Corp. ("Mesa") is pleased to announce that it has staked 59 claims totaling 1,180 acres in the Lisbon Valley Mining District of Southeastern Utah. The area is known as Middle Mesa and is along trend from our recent discovery holes L-15 and L-17. As previously reported (news release dated 9/10/2007) L-15 intercepted 17.5 feet grading 0.11% U3O8 (2.2 pounds/ton) including three strongly mineralized zones:

• 3.5 feet of 0.28% U3O8 (5.6 pounds/ton);
• 1.0 foot of 0.16% U3O8 (3.2 pounds/ton); and
• 1.5 feet of 0.13% U3O8 (2.6 pounds/ton).

L-17 was drilled 1,200 feet to the southeast of L-15 and intercepted 15 feet grading 0.02% U3O8. The mineralization in both holes occurs at the basal Chinle contact, a horizon that hosted the 85 million pounds of U3O8 produced in the District.

Drill holes L-15 and L-17 reinforce Mesa's concept that a symmetrical belt mirroring the Lisbon Valley District exists on the Southeastern side of Lisbon Valley. Mesa has 100% ownership of 32 square miles of uranium exploration land in the District.

New Horizon Uranium Venture
Mesa and New Horizon Uranium Corp. have entered into a 50-50 venture creating WellProbe Geophysical Logging LLC, a drill hole logging company. WellProbe Geophysical will be used by both companies to provide uranium logging (down-hole gamma), SP/resistivity, Induction logging, and drill hole surveys as part of each company's uranium drilling activities in the western United States. The outlay for each company was $75,000.00 for the purchase of the logging truck and associated geophysical equipment. The WellProbe Geophysical venture will save Mesa time and money by eliminating mobilization and standby costs during our drilling operations. The truck will be rented out to other exploration companies when not being used by Mesa or New Horizon.

About New Horizon Uranium
New Horizon's projects include the Converse and Sand Creek joint ventures in Converse County, Wyoming and the Summit project in San Miguel County, Colorado. For additional information please refer to the New Horizon website

About Mesa Uranium
Mesa is a uranium exploration company focused on exploration in proven uranium mining districts in the western United States. Mesa has 100% ownership of 48 square miles of uranium exploration lands in the Lisbon Valley Mining District in Utah and the Arizona Strip Mining District in northern Arizona. For further information about Mesa please visit our website at


(signed) Foster Wilson, President and CEO

This news release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, including the likelihood of commercial mining and possible future financings are forward-looking statements. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include unsuccessful exploration results, changes in metals prices, changes in the availability of funding for mineral exploration, unanticipated changes in key management personnel and general economic conditions. Mining is an inherently risky business. Accordingly the actual events may differ materially from those projected in the forward-looking statements. For more information on the Company and the risks and challenges of its business, investors should review the Company's annual filings that are available at

For further information call:

Foster Wilson, President and CEO, toll free 1-866-699-9888

Wayne Marsden -- Investor Relations, toll free 1-866-337-1235

The TSX Venture Exchange has neither approved nor disapproved of the contents of this news release.

You can view the Next News Releases item: Wed May 7, 2008, Mesa Conducts Radon Survey at Moonshine Springs, Arizona

You can view the Previous News Releases item: Tue Jan 8, 2008, Mesa Drills Significant U3O8 In Arizona

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