EX-99 3 a2068221zex-99.txt EX 99 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: January 18, 2002 CITICORP VENTURE CAPITAL LTD. By: /s/ Anthony P. Mirra ----------------------------- Name: Anthony P. Mirra Title: Vice President and Assistant Secretary 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