================================================================================ Letter Agreement dated July 20, 1997 between the Company and David McNabb ================================================================================ AQUAGENIX, INC. 6500 NORTHWEST 15th AVENUE FT. LAUDERDALE, FLORIDA 33309 Mr. David McNabb 96 Colton Lane Martinez, CA 94553 Re: Aquagenix Letter Agreement Dear David: As per our conversations of the past, Aquagenix, Inc. (the "Company") has agreed to issue you 1,000 shares of Common Stock, par value $.01 per share, of the Company (the "Shares") in return for services rendered and to be rendered as an employee of the Company. The Shares shall be registered by the Company on a best efforts basis using a Form S-8 or similar registration statement. Upon receipt of this letter agreement, please sign or initial confirmation of the above conditions. Sincerely, /s/ Andrew P. Chesler - --------------------------------- Andrew P. Chesler Chairman & CEO ACCEPTED AND AGREED TO THIS 20TH DAY OF JULY, 1997: /s/ David McNabb - --------------------------------- David McNabb