MicroIslet, Inc. (AMEX:MII), a biotechnology company engaged in the research, development and commercialization of patented technologies in the field of transplantation therapy for people with insulin-dependent diabetes, today announced that it will not file its Quarterly Report on Form 10-QSB for the period ended June 30, 2006 with the Securities and Exchange Commission by August 14, 2006. The company filed today a Form 12b-25 (Notification of Late Filing) with the SEC seeking a 5-day extension to file its Quarterly Report on Form 10-QSB.