X0303 4 2011-05-13 0000790705 TEKELEC TKLC 0001520610 Courtois Jean-Yves C/O TEKELEC 5200 PARAMOUNT PARKWAY MORRISVILLE NC 27560 1 0 0 0 Common Stock 0 D Restricted Stock Units 2011-05-13 4 A 0 8000 0 A Common Stock 8000 8000 D Restricted Stock Units 2011-05-13 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 the earlier of (i) May 13, 2012, (ii) the day immediately preceding the date of the Issuer's 2012 Annual Meeting of Shareholders, or (iii) a change in control of the Issuer, provided that the Reporting Person remains a non-employee director of the Issuer through the vesting date. 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 3 equal annual installments commencing on May 13, 2012. Jean-Yves Courtois 2011-05-16