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 November 22, 1999 relating to the supplemental financial statements of Fleet Boston Corporation, which appears in the Current Report on Form 8-K of Fleet Boston Corporation filed November 22, 1999. We also consent to the reference to us under heading "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers Boston, Massachusetts December 8, 1999