NATCHEZ, MS is pleased to announce the company's biodiesel has attained verification from AmSpec Services, LLC for ASTM certification. ASTM International is one of the largest voluntary standards development organizations in the world and a trusted source for technical standards for materials, products, systems, and services.

Keith Mazer, President of SSTP, stated, "Achieving ASTM certification for our biodiesel is a major milestone in our corporate mission. We are very pleased that the quality of the fuel we produce now meets the highly recognized and coveted international ASTM standard. We have worked tirelessly to upgrade our first Houston facility to increase our capacity. We are now able to distribute our biodiesel to blenders for national delivery thus bringing phase two of our plan into completion."

John Rivera, Chairman, stated, "With the completion of phase two behind us in Houston, we have begun phase three. Through the purification and splitting of the glycerin waste byproduct to industrial and pharmaceutical grades we have escalated the marketability and significantly increased the value of our glycerin."

About AmSpec Services, LLC

AmSpec's laboratory services have evolved from basic diesel and fuel oil analysis to state-of-the-art gasoline analysis and extensive chemical testing. Recent innovations have added complete ULSD and Bio Diesel capabilities to our Linden, NJ and Houston, TX locations, additionally the Houston laboratory is one of the few laboratories in the region equipped for tetra-ethyl lead blending and evaluations for atypical high-octane products. The Linden laboratory currently holds several RFG contracts and numerous conventional gasoline and oversight testing contracts.

AmSpec is an active participant in industry standard and regulatory bodies. Senior Management currently sits on the IFIA Board of Directors. All field inspectors, with the exception of trainees, are fully certified by IFIA. AmSpec laboratories are active in all available API, ASTM, and Atlantic Regional Round Robin testing programs. In the first quarter of 2003, AmSpec completed its ISO 9000:2000 certification. AmSpec clients range from the largest multi-national oil companies, U.S. refiners and blenders, trading houses to the smallest end-user home heating oil companies, on which the company was founded.

About Sustainable Power Corp

Sustainable Power Corp is an international green energy service provider focused on environmentally safe power generation. The company has the exclusive rights to develop and manage a portfolio of green power plants utilizing the USSEC biofuel discovery, a renewable fuel source able to be produced from one-fifth of the soybean acreage traditionally associated with biodiesel. For more information please visit www.sustainablepower.com.

Safe Harbor Statement

Matters discussed in this press release contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this press release, the words "anticipate," "believe," "estimate," "may," "intend," "expect" and similar expressions identify such forward-looking statements. Actual results, performance or achievements could differ materially from those contemplated, expressed or implied by the forward-looking statements contained herein. These forward-looking statements are based largely on the expectations of the Company and are subject to a number of risks and uncertainties. These include, but are not limited to, risks and uncertainties associated with: the impact of economic, competitive and other factors affecting the Company and its operations, markets, product, and distributor performance, the impact on the national and local economies resulting from terrorist actions, and U.S. actions subsequently; and other factors available from the Company.

Investor Contact: Redwood Consultants, LLC 415-884-0348