EXHIBIT 23(f)

                    [J.P. Morgan Securities Inc. Letterhead]

                     CONSENT OF J.P. MORGAN SECURITIES INC.

     We hereby consent to (i) the use of our opinion letter to the Board of
Directors of Exxon Corporation (the "Company") included as Annex C to the Joint
Proxy Statement/Prospectus which forms a part of the Registration Statement on
Form S-4 relating to the proposed merger of the Company and Mobil Corporation,
and (ii) the references to such opinion in such Joint Proxy
Statement/Prospectus. In giving such consent, we do not admit that we come
within the category of persons whose consent is required under Section 7 of the
Securities Act of 1933, as amended, or the rules and regulations of the
Securities and Exchange Commission thereunder, nor do we hereby admit that we
are experts with respect to any part of such Registration Statement within the
meaning of the term "experts" as used in the Securities Act of 1933, as amended,
or the rules and regulations of the Securities and Exchange Commission
thereunder.

                                                J.P. MORGAN SECURITIES INC.

                                                By:  /s/ James R. Elliott III
                                                     ------------------------
                                                     James R. Elliott III
                                                     Managing Director

March 16, 1999