Austin, Texas — (Business Wire) May 8, 2008 — United States Oil and Gas Corp (Pink Sheets: USOG.PK) (previously known as Sustainable Energy Development, Inc. (Pink Sheets: SEGV.PK) (the “Company”) announces that NASDAQ has approved of its 30-1 reverse stock split and name change to United States Oil and Gas Corp.

The Company is pleased to also announce that it has completed the reverse merger with United States Oil & Gas Corp, an operating Nevada corporation. The Company is continuing to implement its acquisition strategy and develop its patent pending technology on a cost effective seismometer to be used in rugged environments. This will establish more portable, flexible technologies that will provide drilling services to previously inaccessible areas, as well as to customers who desire a smaller ecological footprint. To find out more about operations, please visit www.usaoilandgas.com.

For more information, please contact:
Investor Relations
Tel: +1-512-690-9078
Email: investor.relations@usaoilandgas.com