X0203 3 2008-05-08 0 0000790705 TEKELEC TKLC 0001442776 Kensico Partners, L.P. C/O KENSICO CAPITAL MANAGEMENT 55 RAILROAD AVENUE, 2ND FLOOR GREENWICH CT 06830 0 0 1 0 0001442779 Kensico Capital, LLC C/O KENSICO CAPITAL MANAGEMENT 55 RAILROAD AVENUE, 2ND FLOOR GREENWICH CT 06830 0 0 1 0 0001443560 Lowenstein Michael Bernard C/O KENSICO CAPITAL MANAGEMENT 55 RAILROAD AVENUE, 2ND FLOOR GREENWICH CT 06830 0 0 1 0 0001443559 Coleman Thomas Jason C/O KENSICO CAPITAL MANAGEMENT 55 RAILROAD AVENUE, 2ND FLOOR GREENWICH CT 06830 0 0 1 0 Common Stock 1464504 D The securities reported as directly beneficially owned by Kensico Partners, L.P. may be deemed to be indirectly beneficially owned by Kensico Capital, L.L.C., Thomas Jason Coleman and Michael Bernard Lowenstein. Michael Bernard Lowenstein and Thomas Jason Coleman are managing members of Kensico Capital, L.L.C., which is the sole general partner of Kensico Partners, L.P. Pursuant to Instruction 5(b)(iv) of Form 3, Kensico Capital, L.L.C., Thomas Jason Coleman and Michael Bernard Lowenstein have elected to report as indirectly beneficially owned the entire number of securities owned by Kensico Partners, L.P. but each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed its or his pecuniary interest therein and/or that are not actually distributed to it or him. /s/ Michael Bernard Lowenstein, Managing Member of Kensico Capital, L.L.C., General Partner of Kensico Partners, L.P. 2008-08-21 /s/ Michael Bernard Lowenstein, Managing Member of Kensico Capital, L.L.C. 2008-08-21 /s/ Michael Bernard Lowenstein 2008-08-21 /s/ Thomas Jason Coleman 2008-08-21