SOURCE: PetroSun, Inc.

PetroSun, Inc.

June 16, 2009 08:45 ET

PetroSun Appoints Mark R. Edwards, Ph.D. as Chief of Technology and Sustainability

SCOTTSDALE, AZ--(Marketwire - June 16, 2009) - PetroSun, Inc. (PINKSHEETS: PSUD) announced today that it has appointed Mark R. Edwards, Ph.D. as Chief of Technology and Sustainability.

Dr. Edwards has studied algae for over 40 years and is an internationally recognized expert on algae and its co-products. His book "Green Algae Strategy" is the best-selling book on algae and won the 2009 Independent Publishers Gold Medal for the "Best Science Book of 2008."

Mark graduated from the U.S. Naval Academy with degrees in engineering, oceanography and meteorology. He earned an MBA and PhD in marketing and consumer psychology at Arizona State University where he has taught marketing, entrepreneurship and sustainability for over 30 years. Mark served as a director for a Fortune 50 international foods and transportation company where he began his quest to find and develop new food sources.

He served as CEO of the advanced technology and software firm he founded, TEAMS International, for twenty-four years. TEAMS sold to an international consultancy after it won the Inc. 500 award for profitability and growth in 1998. Mark served as lead consultant to over 400 firms and governments including Disney, GE, Intel, J&J, HP, British Petroleum, Saudi Aramco, General Mills, Nabisco, Mayo Clinic, Coca Cola, Motorola, Bank of America and several U.S. agencies including DOD, Special Forces, DOE, FAA and the National Laboratories.

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 matters 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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