Calvalley Petroleum Inc. is a Calgary, Alberta-based junior international oil and gas company focused on the exploration and development of the 2,234 km² Block 9 in the Republic of Yemen where it is the Operator and a 50% working interest owner. Calvalley’s common shares are listed and posted for trading on the Toronto Stock Exchange under the symbol “CVI.A.”

Calvalley has made a number of significant oil discoveries in the Republic of Yemen over the past several years and initiated early production from Block 9 in the 4th Quarter of 2005. The Company is party to a Production Sharing Agreement, with the Ministry of Oil and Minerals of the Republic of Yemen, which permits the Company to explore for, and produce, oil and natural gas on Block 9 until 2025, with a possible 5 year extension thereafter. The Company is well financed, debt free, and continues to increase its exploration, development, and production activities at Block 9.

Calvalley is in a joint venture partnership with HoodOil Limited and Reliance Industries Limited, each of whom have a 25% working interest in Block 9.