1 Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 33-44312, 33-45651, 33-49775, 33-55851, 333-64193, 333-01723, 333-01121, 333-01121-01, 333-15079, 333-15079-01 through 04, 333-20427, 333-20427-01 through 03, 333-37315, 333-40447, 333-38633, 333-38633-01,333-47753, 333-51961, and 333-85283) and in the Registration Statements on Form S-8, as amended, (Nos. 33-61167, 33-61181, 33-65065, 33-49267, 33-32659, 33-49419, and 33-63659) of our report dated January 12, 2000 appearing on page 57 of the J. P. Morgan & Co. Incorporated Annual Report, which is included as Exhibit 13 to this Annual Report on Form 10-K for the year ended December 31, 1999. /s/ PricewaterhouseCoopers LLP - ------------------------------ PricewaterhouseCoopers LLP New York, New York March 8, 2000