PetroSun Aquaculture Lease Program Moving Forward

  PetroSun, Inc. (PINKSHEETS: PSUD) is pleased
to announce that its Aquaculture Lease Program is experiencing a positive
response from the catfish industry as an alternative crop. The focus of the
leasing program has been catfish farms located within the Mississippi River
Delta Region and Gulf Coast states of Mississippi, Louisiana, Alabama,
Texas, Florida and Arkansas. The company is also receiving interest in the
program from the crawfish, baitfish and rice farming community.

The Associated Press released an article on March 8th that highlighted the catfish farm owned by Hall Barret and Liz Jordan of Belzoni, Mississippi, who executed the initial lease in the program. The article is entitled "Weary Catfish Farmers Becoming Landlords of Algae." It may be viewed by entering the title of the release on Google.

About PetroSun

PetroSun, Inc. is a diversified energy company with technology and operations in oil, natural gas and helium exploration, development and production, commercialization of algae-to-biofuels, microbial enhanced oil recovery and oilfield pipe and supply.

For more information about PetroSun visit the company's website at www.petrosuninc.com.

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.

Contact: Investor Relations PetroSun, Inc. Email Contact