CONFERENCE CALL NOTICE: NBTY, INC. (NASDAQ:NBTY) CONFERENCE CALL TO DISCUSS PLANNED ACQUISITION OF REXALL SUNDOWN TUESDAY, JUNE 10, 2003 AT 11:00 AM EASTERN DAYLIGHT TIME IF YOU WISH TO PARTICIPATE, PLEASE CALL 1-973-582-2737 APPROXIMATELY 10 MINUTES PRIOR TO CALL AND THE OPERATOR WILL CONNECT YOU A LIVE WEBCAST WILL BE AVAILABLE AT THE FOLLOWING WEB SITES: WWW.NBTY.COM AND WWW.STREETEVENTS.COM THE CONFERENCE CALL WILL BE AVAILABLE FOR REPLAY FROM TUESDAY, JUNE 10, 2003 THROUGH FRIDAY, JUNE 13, 2003 AT MIDNIGHT PLEASE CALL 1-973-341-3080 PIN NUMBER 3983408 FOR THE REPLAY IF YOU HAVE ANY QUESTIONS, PLEASE CONTACT CARL HYMANS OR ANNA TORINO AT G.S. SCHWARTZ & CO. 212 725-4500