Generex Biotechnology Corporation Granted New Mexican Drug Delivery Patent

TORONTO -- (MARKET WIRE) -- August 28, 2006 -- Generex Biotechnology Corporation (NASDAQ: GNBT), the leader in metabolic diseases drug delivery through the inner lining of the mouth, announced today that it has been granted a new patent by the Mexican Institute of Industrial Property titled Pharmaceutical Compositions for Buccal and Pulmonary Application. The patent covers claims to the composition, process and methodologies for the delivery of macromolecules via the buccal cavity of the mouth.