EX-99.1 3 a2076492zex-99_1.txt EXHIBIT 99.1 Exhibit 99.1 [ANDERSEN LOGO] Arthur Andersen LLP 225 Franklin Street Boston, MA 02110-2812 Tel 617 330 4000 Fax 617 439 9731 www.andersen.com To the Shareholders and Board of Directors of First Financial Corp.: We represent that this audit was subject to our quality control system for the U.S. accounting and auditing practice to provide reasonable assurance that the engagement was conducted in compliance with professional standards, that there was appropriate continuity of Arthur Andersen personnel working on the audit and availability of national office consultation and availability of personnel at foreign affiliates of Arthur Andersen to conduct the relevant portions of the audit. /s/ Arthur Andersen LLP Boston, Massachusetts April 10, 2002