Frontera Energy Corp.

Petro Rubiales Energy and Pacific Stratus Energy announced today that Petro Rubiales has completed the acquisition of Pacific Stratus. In conjunction with the acquisition, Petro Rubiales has changed its name to "Pacific Rubiales Energy Corp." and the company's shares and warrants will continue trading on the TSX Venture Exchange under the new name on January 24, 2008 under the symbols "PEG" and "PEG.WT", respectively.