Calvalley Petroleum Inc.

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2005 News Releases

December 22nd, 2005 Calvalley Petroleum — Yemen Operations Update

December 12th, 2005 Calvalley Petroleum Announces First Production from Block 9 in the Republic of Yemen

December 7th, 2005 Calvalley Petroleum Inc. Named to 2005 TSX Venture 50

November 22nd, 2005 Calvalley Petroleum appoints key Senior Managers

November 18th, 2005 Calvalley Petroleum Announces another Successful Appraisal Well at Hiswah-7

September 8th, 2005 Calvalley Petroleum Provides Yemen Operations Update

August 25th, 2005 Calvalley Petroleum Receives Approval from the Republic of Yemen for the Commercial Development of Block 9

August 24th, 2005 Calvalley Petroleum Appoints Key Senior Manager

August 2nd, 2005 Calvalley Petroleum Provides Yemen Operations Update

July 8th, 2005 Calvalley Petroleum Spuds Daysah-1 Exploration Well

June 22nd, 2005 Calvalley Petroleum Announces Successful Production Test at Hiswah-6 Appraisal Well

June 3rd, 2005 Calvalley Petroleum Declaires Commerciality on Block 9 in the Republic of Yemen

May 18th, 2005 Calvalley Petroleum Announces a Successful Production Test at Hiswah-5 Appraisal Well

April 26th, 2005 Calvalley Petroleum Encounters a 42 Meter Hydrocarbon Column in the Hiswah-5 Appraisal Well

April 15th, 2005 Calvalley Petroleum Spuds Hiswah-5 Appraisal well

April 11th, 2005 Calvalley Petroleum Tests Hiswah-4 Appraisal Well

March 24th, 2005 Calvalley Closes Bought Deal Common Share Financing

March 22nd, 2005 Calvalley Petroleum — Yemen Operations Update

March 3rd, 2005 Calvalley Petroleum Announces Bought Deal Common Share Financing

March 3rd, 2005 Calvalley Petroleum Announces Increase in Size of Bought Deal Common Share Financing

March 2nd, 2005 Calvalley Petroleum Encounters a 77 Meter Hydrocarbon Column in Hiswah-4 Appraisal Well

February 21st, 2005 Calvalley Petroleum Spuds Hiswah-4 Appraisal Well

February 16th, 2005 Calvalley Petroleum Successfully Tests Hiswah-3 Appraisal Well

January 27th, 2005 Calvalley Petroleum Completes Drilling of Hiswah-3 Appraisal Well

January 11th, 2005 Calvalley Petroleum — Re-files 2003 Reserve Information

Previous Years

• 2007 News Releases
• 2006 News Releases
• 2005 News Releases
• 2004 News Releases