EX-99.1 3 a2128964zex-99_1.txt EXHIBIT 99.1 EXHIBIT 1 --------- AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G -------------------------------------------- Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13G, and agrees that this Schedule 13G is filed on its behalf. Date: February 12, 2004 CITIBANK, N.A. By: /s/ Serena D. Moe -------------------------------------------- Name: Serena D. Moe Title: Assistant Secretary CITICORP By: /s/ Serena D. Moe -------------------------------------------- Name: Serena D. Moe Title: Assistant Secretary CITIGROUP HOLDINGS COMPANY By: /s/ Serena D. Moe -------------------------------------------- Name: Serena D. Moe Title: Assistant Secretary CITIGROUP INC. By: /s/ Serena D. Moe -------------------------------------------- Name: Serena D. Moe Title: Assistant Secretary