X0202 4/A 2004-04-27 2004-04-26 0 0000834306 BIOSITE INC BSTE 0000903574 GREENE HOWARD E JR BIOSITE INC. 11030 ROSELLE STREET SAN DIEGO CA 92121 1 0 0 0 Common Stock 0 1988-08-08 1988-08-08 Common Stock 0 3965.01 D The shares of stock units become payable, in cash, upon the reporting person's termination of service as a director. Award converts to common stock on a 1-for-1 basis. On April 26, 2004, a telephonic meeting of the audit committee was scheduled to take place in which the reporting person was to receive stock units in lieu of cash in connection with his participation in the meeting. The meeting did not take place on April 26th. As a result, stock units were not issued to the reporting person as previously disclosed. Robyn Shutak for Howard E. Greene, Jr. 2004-04-27