Tekelec Watch

from 8-K 151 pages Amended and Restated Credit Agreement Dated as of January 13, 2011 by and Among Tekelec, and Tekelec International, Sprl as Borrowers, the Lenders Referred to Herein, and Wells Fargo Bank, N.A., as Successor by Merger to Wachovia Bank, National Association, as Administrative Agent, Swingline Lender and Issuing Lender

from 10-Q 6 pages Sixth Amendment and Limited Consent to Credit Agreement

from 10-K Fifth Amendment and First Extension Option, Dated as of December 30, 2009, to Credit Agreement

from 10-K 7 pages Fifth Amendment and First Extension Option

from 10-Q Fourth Amendment, Dated as of October 2, 2009, to Credit Agreement Dated as of October 2, 2008

from 10-Q 5 pages Fourth Amendment

from 10-Q Second and Third Amendments to Credit Agreement Dated as of October 2, 2008

from 10-Q 31 pages Second Amendment

from 10-K First Amendment to Credit Agreement Dated as of December 10, 2008, by and Among the Registrant, Tekelec International, Sprl, the Lenders From Time to Time Parties Thereto, and Wachovia Bank, National Association

from 10-K Fourth Amendment to Credit Agreement Dated as of December 11, 2008, Between Wells Fargo Bank, National Association, and the Registrant

from 10-K 5 pages First Amendment

from 10-K 5 pages Fourth Amendment to Credit Agreement

from 8-K 6 pages Ubs Is Offering You “Auction Rate Securities Rights” (Rights) to Sell Eligible Ars at Par Value to Ubs at Any Time During a Two-Year Time Period. These Rights Are Nontransferable Securities Registered With the U.S. Securities and Exchange Commission (SEC). This Is a Limited Time Offer That Will Expire on November 14, 2008. Accepting This Offer May Impact Your Legal Rights. Not Accepting This Offer May Have Repercussions on Outstanding Loans Secured by Eligible Ars. as a Result, It Is Important That You Review the Prospectus Carefully. the Key Features and Terms of the Offer Are Summarized Below. for Complete Details, Please See the Enclosed Prospectus. • Ubs Is Offering You Nontransferable Rights to Sell Eligible Ars, Held in the Ubs Account Identified Above, at Par Value to Ubs at Any Time During the Period of June 30, 2010, Through July 2, 2012

from 8-K 110 pages $50,000,000 Revolving Credit and Swingline Facility and $10,000,000 Letter of Credit Facility Credit Agreement Dated as of October 2, 2008 by and Among Tekelec, and Tekelec International, Sprl as Borrowers, the Lenders Referred to Herein, and Wachovia Bank, National Association, as Administrative Agent, Swingline Lender and Issuing Lender

from 10-K Material contract

from 10-K 6 pages Libor = Base Libor 100% - Libor Reserve Percentage

from 8-K 4 pages Third Amendment to Credit Agreement

from 8-K 9 pages Second Amendment to Credit Agreement

from 10-K 9 pages First Amendment to Credit Agreement

from 10-K 13 pages Credit Agreement