SOURCE: PetroSun, Inc.

March 10, 2008 10:30 ET

PetroSun Set to Commence Operations on Its Initial Commerical Algae-to-Biofuels Farm

SCOTTSDALE, AZ--(Marketwire - March 10, 2008) - PetroSun, Inc (PINKSHEETS: PSUD) announced today that its initial commercial algae-to-biofuels farm is scheduled to commence operations on April 1, 2008. The farm is located on the Texas Gulf Coast near Harlingen, Texas.

PetroSun Biofuels, Inc., a wholly owned subsidiary of PetroSun, Inc., will operate the 1,100 acre salt water open pond system. There are currently 94 five-acre and 63 ten-acre ponds on the 1,831 acres contained within the algae farm operation. The company will extract the algal oil on-site and transport the raw product via barge, rail or truck to company owned or joint ventured biodiesel refineries. The residual algae biomass will be converted into ethanol or other products.

PetroSun will conduct algae-to-jet fuel and algae-to-bioplastics research and development projects supported by a supply of algal oil produced from this operation. For an aerial view of the farm, please click on the following link.,- 97.447271&spn=0.056092,0.114155&t=h&z=14

About PetroSun

PetroSun's operations include oil and gas exploration, development and production and algae-to-algal oil alternative fuels production. The oil and gas division is focused on the exploration of the Holbrook Basin of Arizona, the San Juan Basin of New Mexico and Australian based prospects. The Company will continue the development of oil and gas reserves in Louisiana. The alternative fuels division has entered the commercial stage of its algae-to-biofuels production technology. The Company will commence operations on its initial commercial algae farm and algal oil extraction plant near Harlingen, Texas on April 1, 2008. Future farms and extraction plants are planned in Alabama, Arizona, Louisiana, Mexico, Brazil and Australia during 2008. The algal oil product will be provided as feedstock to company owned or joint ventured biodiesel refineries. PetroSun is headquartered in Scottsdale, Arizona with field offices in Shreveport, Louisiana and Opelika, Alabama. For more information about PetroSun visit the company's website at

Except historical matter contained herein, matters discussed in this news release are forward-looking statements and are made pursuant to the safe harbor provision of the Private Securities Litigation Reform Act of 1995. These forward-looking statements reflect assumptions and involve risks and uncertainties, which may affect the Company's business and prospects and cause actual results to differ materially from these forward-looking statements.

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