Coastal Energy Announces Insider Transaction

Coastal Energy Company (the "Company" or "Coastal") , an independent exploration and production company with assets in Thailand, announces that it was notified today of the following transactions in the Company's common shares:

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                                                             Shares
                                                             Owned
                         Transaction Shares this           Following   % of Total
Shareholder     Title        Date    Transaction   Price  Transaction Outstanding*
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Option
Exercise
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John          Director     June 24,     25,000   GBP 1.40   100,000          0.09%
Zaozirny                     2010

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Open Market
Purchase(s)
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Bernard de   Chairman of   June 24,    100,000    C$ 4.22  1,171,975         1.07%
Combret       the Board      2010

Bernard de   Chairman of   June 25,     50,000    C$ 4.24  1,221,975         1.12%
Combret       the Board      2010

All other                                                  2,167,500         1.98%
Directors
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Total all                                                  3,489,475         3.19%
Directors
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*Based on total shares issued and outstanding of 109,537,790

Additional information, including the Company's complete competent person's report may be found on the Company's website at www.CoastalEnergy.com or may be found in documents filed on SEDAR at www.sedar.com.

This statement contains 'forward-looking statements' as defined by the applicable securities legislation. Statements relating to current and future drilling results, existence and recoverability of potential hydrocarbon reserves, production amounts or revenues, forward capital expenditures, operation costs, oil and gas price forecasts and similar matters are based on current data and information and should be viewed as forward-looking statements. Such statements are not guarantees of future results and are subject to risks and uncertainties beyond Coastal Energy's control. Actual results may differ substantially from the forward-looking statements.

These securities have not been registered under United States Securities Act of 1933 (the "US Securities Act") or the securities laws of any state and may not be offered or sold in the United States or to US persons (as defined in Regulation S under the US Securities Act) unless an exemption from registration is available.

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.

This news release is not for dissemination in the United States or through United States newswire services.