Spartan Delta CorpTSX: SDE

DualEx Files 2007 Annual Information Form

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DISSEMINATION IN THE UNITED STATES/

CALGARY, April 21 /CNW/ - DualEx Energy International Inc. (the "Company") (DXE, TSX-V) today filed with Canadian securities authorities its Form 51-101F1 - Statement of Reserves Data and Other Oil and Gas Information, Form 51-101F2 - Report on Reserves Data by Independent Qualified Reserves Evaluator, and Form 51-101F3 - Report of Management and Directors on Oil and Gas Disclosure, under National Instrument 51-101 Standards of Disclosure for Oil and Gas Activities. This information is included in DualEx's Annual Information Form dated April 21, 2008. Copies of the filed documents may be obtained through www.sedar.com, DualEx's website www.dualexen.com or by emailing DualEx at info@dualexen.com.

DualEx Energy International Inc. is an oil and gas exploration company with operations in the greater Mediterranean area. DualEx's common shares trade on the TSX Venture Exchange under the symbol "DXE".

Forward-Looking Statements

This release may contain forward-looking statements. These statements are

based on management's current expectations and beliefs and are subject to

a number of risks and uncertainties that could cause actual results to

differ materially from those described in the forward-looking statements.

Forward-looking statements are not guarantees of future performance. Any

forward-looking statements are made as of the date hereof and DualEx does

not undertake any obligation, except as required under applicable law, to

publicly update or revise such statements to reflect new information,

subsequent or otherwise.

For further information:

This press release is reproduced on DualEx's website at www.dualexen.com. For this and other information about DualEx Energy International Inc., please visit the website or contact Garry Hides (President & CEO) at 265-8011 ext. 223.

The TSX Venture Exchange does not accept responsibility for the adequacy

or accuracy of this release.

%SEDAR: 00023802E