Coastal Eng Regulatory News (CEO)

AIM: CEO                                                                                                                                                        20 December 2011

TSX: CEN

Coastal Energy Announces Insider Transaction

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

After accounting for the transactions listed above, Directors & Officers own a total of 3,120,762 Common Shares of the Company, or 2.8% of outstanding shares. 

*Based on total shares issued and outstanding of 113,281,215

Additional information, including the Company's complete competent person's report may be found on the Company's website at www.CoastalEnergy.comor 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.

Enquiries:

Coastal Energy Company

Email: investor@CoastalEnergy.com                                                                                                                                                               +1 (713) 877-6793

Strand Hanson Limited (Nominated Adviser)                                                                                                                                  +44 (0) 20 7409 3494

Rory Murphy                                          

Paul Cocker                                            

Macquarie Capital (Europe) Limited (Broker)                                                                                                                                +44 (0) 20 3037 2000

Paul Connolly

Jeffrey Auld

FirstEnergy Capital LLP(Broker)

Hugh Sanderson                                                                                                                                                                                   +44 (0) 20 7448 0200

Travis Inlow

Buchanan Communications             

Tim Thompson                                                                                                                                                                                       +44 (0) 20 7466 5000

Ben Romney

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.