February 02, 2007

PetroSun Corporate Update: Algae BioFuels
February 1st, 2007
PetroSun, Incorporated (PINKSHEETS: PSUD) announced today that the field testing of the cultivation of algae for biodiesel production has now progressed to the final stage prior to the construction of a commercial cultivation facility. This final stage will consist of producing adequate algae paste to test the output and economics of several biodiesel refinery manufacturers now under consideration by Algae Biofuels, a wholly owned subsidiary of PetroSun. The Company will own and operate the production and refinery facilities.