U.S. Microbics Subsidiary Installs Treatment System at Little Country Chevron.

Business Editors

CARLSBAD, Calif.--(BUSINESS WIRE)--April 16, 2002

Patented Breakthrough Technology Could Set New Standard

for Contamination Source Removal

U.S. Microbics Inc. (OTCBB:BUGS) said today that its wholly-owned technology subsidiary, Sub-Surface Waste Management (SSWM) is installing its soil and groundwater cleanup system at the Little Country Chevron site in South Carolina.

The contract was awarded in late 2001 by the South Carolina Department of Health & Environmental Control under the State's on-going Underground Storage Tank rehabilitation program. SSWM will employ its U.S. patented treatment system for the clean up of hydrocarbon-based materials "in-situ" or under the ground.

Bruce Beattie, president of SSWM, stated, "The Little Country Chevron project demonstrates our aggressive microbial based source cleanup biotechnology solution now gaining support with industry and recognized as a promising cleanup technology by the Environmental Protection Agency. The Little Country Chevron project represents SSWM's first commercial use of its U.S. patented application process in South Carolina. Several local competitors have received written notice of potential patent infringement and the company has even received voluntary submittals of concerned and responsible contractors who may become licensees of the technology which has several technical advantages over conventional cleanup methods. SSWM plans to apply this patented technology on its $500,000 in booked work and contract awards in South Carolina."

SSWM provides comprehensive civil and environmental engineering project management services including specialists to design, permit, build and operate environmental waste clean-up treatment systems using conventional, biological and filtration technologies.

For further information about SSWM, contact Bruce Beattie by phone at 760/918-1860 x 103 or by E-mail: [e-mail] or learn about the company by visiting the Web site at http://www.bugsatwork.com.

The information contained in this press release includes forward-looking statements. Forward-looking statements usually contain the words "estimate," "anticipate," "believe," "expect," or similar expressions that involve risks and uncertainties. These risks and uncertainties include the company's status as a startup company with uncertain profitability, need for significant capital, uncertainty concerning market acceptance of its products, competition, limited service and manufacturing facilities, dependence on technological developments and protection of its intellectual property. The company's actual results could differ materially from those discussed herein. Factors that could cause or contribute to such differences are discussed more fully in the "Risk Factors," "Management's Discussion and Analysis or Plan of Operation" and other sections of the company's Form 10-KSB and other publicly available information regarding the company on file with the Securities and Exchange Commission. The company will provide you with copies of this information upon request.