EX-99.1 2 a2038386zex-99_1.txt EX-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 THE TRAVELERS INSURANCE COMPANY By: /s/ Paul H. Eddy -------------------------------------------- Name: Paul H. Eddy Title: Assistant Secretary THE TRAVELERS INSURANCE GROUP INC. By: /s/ Joseph B. Wollard -------------------------------------------- Name: Joseph B. Wollard Title: Assistant Secretary PFS SERVICES, INC. By: /s/ Joseph B. Wollard -------------------------------------------- Name: Joseph B. Wollard Title: Assistant Secretary ASSOCIATED MADISON COMPANIES, INC. 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