EXHIBIT 23.2 ARTHUR ANDERSEN LLP CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report, dated January 31, 1997, included in UST Corp.'s Annual Report on Form 10-K for the year ended December 31, 1996 and to all references to our Firm included in this Registration Statement. /s/ Arthur Andersen LLP ARTHUR ANDERSEN LLP Boston, Massachusetts December 19, 1997