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...Agreement as to the Joint Filing of Schedule 13d • September 6th, 2002 • Citigroup Inc • National commercial banks
