Natura Ag Field Trials Show Enhanced Growth for Azucar Sugar Cane.

Business Editors

CARLSBAD, Calif.--(BUSINESS WIRE)--Nov. 28, 2000

US Microbics, Inc. (OTCBB: BUGS), announced today that Natura Ag, the Mexico operating subsidiary of Bio-Con Microbes, Inc., a wholly owned subsidiary specializing in agricultural products and services, has achieved promising growth results from its field trials on sugar cane using BTA 500, a proprietary blend of natural microbes.

Rene de S. Palomares, President of Natura Ag of, stated the first results of Natura Ag's sugar cane trials. "Forty-five days after application of BTA 500 we have evaluated the crops response to our microbial inoculant. Forty random samples each were taken of treated and untreated newly planted sugar cane. The results were as follows:

Height: Crowns from the treated areas averaged 15.7 mm tall

whereas crowns from the untreated areas averaged 12.75 mm

tall. This was an increase of 25.6%.

Diameter: Crowns from the treated areas averaged a diameter of

19.8 mm while crowns from the untreated areas averaged 14.8 mm.

This was an increase of 33.7%.

Root Volume: Roots from the treated areas averaged a volume of 61

cu mm where roots from the untreated areas averaged 42 cu mm.

This is an increase of 45% in the effective root area of the

plant.

These results are verified by the field staff of Azucar de Mexico (Mexico's 2nd largest sugar company) and are part of an ongoing trial to demonstrate the ability of Natura Ag's growing system to increase sugar yields. "While it is too soon to declare the trial a success, increased root mass and increased plant size are considered important indicators of plant health and yield potential."

Mr. Palomares continued: "It is gratifying to see these preliminary results tracking so well against our prior sugar cane trials. We are confident that the outcome of the trials will demonstrate the effectiveness of our biorational growing program. We anticipate significant sales to sugar cane producers worldwide resulting from definitive trials such as this."

For further information about the Agriculture products, contact Gus Olson at 760-776-8003, or to learn about the company visit the website 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.