WORCESTER, MA -- (MARKET WIRE) -- May 31, 2007 -- Generex Biotechnology Corporation (NASDAQ: GNBT), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, announced today that it will be making five poster presentations at The Endocrine Society’s 89th Annual Meeting in Toronto, Canada June 2 - 5, 2007 (www.endo-society.org).