EX-99.1 2 a2038468zex-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, 2001 CITICORP VENTURE CAPITAL LTD. By: /s/ Anthony Mirra --------------------------------------------- Name: Anthony Mirra Title: Vice President CITIBANK, N.A. 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 CITIGROUP HOLDINGS COMPANY By: /s/ Joseph B. Wollard ----------------------------------------- Name: Joseph B. Wollard Title: Assistant Secretary CITIGROUP INC. By: /s/ Joseph B. Wollard -------------------------------------------- Name: Joseph B. Wollard Title: Assistant Secretary