Resignation of President and Chief Executive Officer

/THIS NEWS RELEASE IS NOT FOR DISSEMINATION IN THE UNITED STATES OR TO U.S. PERSONS/

TSX: "ISR"

Common Shares: 16,096,084

CALGARY , Dec. 31 /CNW/ - International Sovereign Energy Corp. ("ISR" or the "Company") announces resignation of its President and Chief Executive Officer, Mr. Eugene Hretzay effective December 31, 2009 . The ISR board of directors has appointed Mr. Sharad Mistry Chief Financial Officer of the Corporation, as interim Chief Executive Officer and is in the process of searching for candidates for the position of Chief Executive Officer.

The Board and Management of ISR acknowledge Mr. Hretzay 's contribution and express their appreciation for his service to the Company. Mr. Hretzay will continue to serve as a director of ISR.

International Sovereign Energy Corp. is an oil and gas exploration development and production company with offices in Calgary , Alberta, active in the exploration and development of hydrocarbon reserves in Western Canada .

The Toronto Stock Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this news release.

For further information: Sharad G. Mistry, Chief Financial Officer and interim Chief Executive Officer, T: [phone], F: [phone], E: [email protected]