Pacific Rubiales Announces One-for-Six Consolidation
May 8, 2008

    TORONTO, May 8 /CNW/ - Pacific Rubiales Energy Corp. (TSX: PEG) today
announced that effective the opening of the market on Friday, May 9, 2008, its
outstanding common shares will be consolidated on a one-for-six basis. The
company's outstanding warrants and employee stock options will be consolidated
at the same time, on the same basis. There will be no change in the company's
trading symbol as a result of the consolidation.

    Pacific Rubiales, a Canadian-based company and producer of natural gas
and heavy crude oil, owns 100 percent of Meta Petroleum Limited, a Colombian
oil operator which operates the Rubiales and Piriri oil fields in the Llanos
Basin in association with Ecopetrol S.A. the Colombian, national oil company.
The Company is focused on identifying opportunities primarily within the
eastern Llanos Basin of Colombia as well as in other areas in Colombia and
northern Peru. Pacific Rubiales has a current net production of approximately
21,000 barrels of oil equivalent per day, with working interests in the
Rubiales, Piriri and Quifa concessions and the Caguan, Dindal, Rio Seco, Puli
B, La Creciente, Moriche, Guama, Arauca, Tacacho and Jagueyes blocks in
Colombia and blocks 135, 137 and 138 in Peru.

    %SEDAR: 00007953E

For further information:
For further information: Peter Volk, General Counsel & Secretary, (416)