Calvalley Announces Approval for Toronto Stock Exchange Listing

Calvalley Petroleum Inc., (TSX-V: CVI.A) has received conditional approval for the listing of its Class A Common Shares on the Toronto Stock Exchange. The Company's shares currently trade on the TSX Venture Exchange under the symbol CVI.A and this stock symbol has been reserved for use on the TSX. It is anticipated that Calvalley's shares will commence trading on the TSX late the week of October 31, 2005.