Oragenics, Inc. Receives Notification Letter From AMEX

ALACHUA, FL -- (MARKET WIRE) -- April 27, 2007 -- Oragenics, Inc. (AMEX: ONI) today reported it received notice from the American Stock Exchange (AMEX) advising the Company that it does not meet certain of the continued listing standards as set forth in part 10 of the AMEX Company Guide.