1 EXHIBIT 23(a) CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated January 19, 2000 relating to the financial statements, which are included in FleetBoston Financial Corporation's Annual Report on Form 10-K for the year ended December 31, 1999. We also consent to the references to us under the headings "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers LLP Boston, Massachusetts May 26, 2000