EX-99.A 3 a2088852zex-99_a.txt EXHIBIT 99.A CUSIP NO. 88830M 10 2 13D PAGE 22 of 23 PAGES EXHIBIT 99(a) AGREEMENT AS TO THE JOINT FILING OF SCHEDULE 13D The undersigned hereby agree that: (i) each of them is individually eligible to use the Schedule 13D attached hereto; (ii) the attached Schedule 13D is filed on behalf of each of them; and (iii) each of them is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information therein concerning him or itself; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless he or it knows or has reason to believe that such information is inaccurate. Dated: September 6, 2002 CITIGROUP INC. CITIGROUP INC. By: /s/ JOSEPH B. WOLLARD -------------------------- Name: Joseph B. Wollard Title: Assistant Secretary CITIGROUP HOLDINGS COMPANY By: /s/ JOSEPH B. WOLLARD -------------------------- Name: Joseph B. Wollard Title: Assistant Secretary CITICORP By: /s/ JOSEPH B. WOLLARD -------------------------- Name: Joseph B. Wollard Title: Assistant Secretary CUSIP No. 88830M 10 2 13D Page 23 of 23 Pages CITICORP BANKING CORPORATION By: /s/ WILLIAM WOLF -------------------------- Name: William Wolf Title: Senior Vice President COURT SQUARE CAPITAL LIMITED By: /s/ ANTHONY P. MIRRA -------------------------- Name: Anthony P. Mirra Title: Vice President