EXHIBIT 99 AGREEMENT AS TO 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 (iii)...Agreement as to Joint Filing of Schedule 13d • June 27th, 2005 • Citigroup Inc • National commercial banks
