April 6, 2021
Via E-mail

Louis L. Goldberg, Esq.
Davis Polk & Wardwell LLP
450 Lexington Avenue
New York, NY 10017

       Re:     Exxon Mobil Corporation
               Definitive Additional Materials filed March 31, 2021 and April
5, 2021
               File No. 001-02256

Dear Mr. Goldberg:

       We have reviewed the above-captioned filings and have the following
comments. In
some of our comments, we may ask you to provide us with information so we may
understand your disclosure.

       Please respond to this letter by amending the referenced filings and/or
by providing the
requested information. After reviewing any amendment to the filings and any
provided in response to these comments, we may have additional comments.

       If you do not believe our comments apply to your facts and
circumstances, and/or do not
believe an amendment is appropriate, please tell us why in a written response.

DEFA14A Filed March 31, 2021

1. We note your references to solicitations sent to investors via email that do
not identify the
   soliciting party. Absent a reasonable factual basis, please refrain from
implying that Engine
   No. 1 sent these emails in efforts to confuse shareholders. It is our
understanding that a
   third-party proxy service provider sent these soliciting materials and that
Engine No. 1 did
   not have the ability to control the format or content of the excerpts that
you reference.

DEFA14A Filed April 5, 2021

2. We note your statements referring to Engine No. 1   s    value-destructive
agenda    and
   asserting that its proposed initiatives    would jeopardize [ExxonMobil   s]
ability to generate
   the earnings and cash flow we need to pay our dividend and invest in future
growth.    To the
   extent you make similar statements in future filings, please characterize
those statements as
   beliefs or opinions. Note that a reasonable factual basis must exist for
each such assertion of
   opinion or belief.
 Louis L. Goldberg, Esq.
Davis Polk & Wardwell LLP
April 6, 2021
Page 2

                                              *   *   *

       We remind you that the registrant is responsible for the accuracy and
adequacy of its
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

       Please direct any questions to me at (202) 551-7951.


                                                           /s/ Joshua Shainess

                                                           Joshua Shainess
                                                           Special Counsel
                                                           Office of Mergers
and Acquisitions