Medexus Pharmaceuticals Inc.TSX: MDP

Petrolifera Petroleum advises La Pinta 1 testing program schedule to experience minor delays

· Issued by Medexus Pharmaceuticals Inc. via CNW

CALGARY, May 11 /CNW/ - Petrolifera Petroleum Limited (PDP - TSX) announces today that due to some logistical issues, it now expects startup of testing of the La Pinta 1 well on its Sierra Nevada License in Colombia will experience minor delays and that the current "no-issue" timeline now puts the commencement of testing on or about June 5, 2009.

Forward Looking Information - This press release contains forward looking information with respect to the anticipated startup date for the commencement of testing of the La Pinta Well in Colombia. There can be no assurance that this timetable will be accomplished.

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