Mesa Exploration Engages IntelliMet

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 04/19/11 -- Mesa Exploration Corp. (TSX VENTURE: MSA)(PINK SHEETS: MSAJF) has engaged IntelliMet LLC of Missoula Montana to perform initial metallurgical design for the wholly owned Green Energy mineral brine project. IntelliMet will evaluate the processing characteristics for lithium, potash, magnesium, boron and bromine. The work will establish the following information:

--  Expected recoveries of Lithium, Potash, Magnesium, Boron and Bromine
--  Flow sheet and operating parameters
--  Summary of types and amounts of processing chemicals
--  Equipment specifications for pumps, pipes, valves, and tanking
--  General estimation of the costs for the proposed system
--  Assumptions to be based on brine flow rates of 6,000, 12,000, and 24,000
    barrels per day

Subsequent drilling, engineering, chemical analysis and pilot plant testing will be used to refine IntelliMet's findings. This metallurgical evaluation is a fundamental step in quantifying the projects economic potential; the results are anticipated within 45 days. The initial drilling program is expected to begin this spring/summer followed thereafter by additional engineering, chemical analysis and pilot plant testing.

About Mesa Exploration Corp.

Mesa is exploring a portfolio of premier mineral properties in the United States where it controls significant land holdings. The goal for 2011 is to advance the Green Energy Project, a large brine deposit containing 40% dissolved solids. The brine contains Lithium, Potash, Magnesium, Boron, Bromine and other potentially valuable minerals. All projects are within proven mining districts with excellent access and infrastructure. Mesa has 12.6 million shares outstanding and no debt. For further information please visit our website at www.mesaexploration.com.

ON BEHALF OF THE BOARD

MESA EXPLORATION CORP.

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 www.sedar.com.

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

Contacts:

Mesa Exploration Corp.

Corporate Communications

775-824-4533
www.mesaexploration.com