X0303 4 2008-08-26 0000790705 TEKELEC TKLC 0001143947 LAUBE DAVID C/O TEKELEC 5200 PARAMOUNT PARKWAY MORRISVILLE NC 27560 1 0 0 0 Common Stock 0 D Restricted Stock Units 2008-08-26 4 A 0 6667 0 A Common Stock 6667 6667 D Restricted Stock Units 2008-08-26 4 A 0 10000 0 A Common Stock 10000 10000 D Restricted Stock Units ("RSUs") convert to Tekelec Common Stock on a one-for-one basis. Each RSU represents the right to receive, upon vesting, one share of Tekelec Common Stock. The RSUs will vest (and shares represented thereby will be issued) in full on May 16, 2009. Each RSU represents the right to receive, upon vesting, one share of Tekelec Common Stock. The RSUs will vest (and shares represented thereby will be issued) in three equal annual installments commencing on August 15, 2009. Stuart H. Kupinsky, Attorney-in-Fact for David R. Laube 2008-08-28