Document:

Amendment No. 4
BE IT RESOLVED,  that the second  sentence of Section 4 of
the  Company's  1993 Stock  Option Plan be and hereby is deleted and restated in
its  entirety as follows:

     "The aggregate number of shares which may be issued pursuant to the Plan is
     6,000,000  (regardless  of whether the 1-for-25  reverse stock split of the
     Company's  shares  of common  stock is or is not  approved  at the  special
     meeting  of  stockholder   scheduled  for  August  31,  2000),  subject  to
     adjustment  as provided in Section 13, of which  1,000,000  shares shall be
     reserved for grants of  replacement  or reload  Options in accordance  with
     Section 22 of the Plan."

AND FURTHER  RESOLVED,  that this Amendment shall be effective  immediately
upon receipt of approval of Stockholders of the Company (in accordance with
the  requirements  of  applicable  law and the  Company's  By-Laws)  at the
Special Meeting of Stockholders or any adjournment or postponement thereof.Amendment No. 1

BE IT RESOLVED,  that the first  sentence of Section 6 of the Company's  1994
Stock Plan for Non-Employee Directors be and hereby is deleted and restated in
its entirety as follows:

 "The Board  shall  reserve  for the  purposes  of this Plan  500,000  shares of
 Common Stock of the Company  (regardless of whether the 1-for-25  reverse stock
 split of the  Company's  shares of common  stock is or is not  approved  at the
 special meeting of stockholder  scheduled for August 31, 2000), but this number
 may be adjusted,  if deemed  appropriate by the Board, as provided in paragraph
 13 hereof."

AND FURTHER  RESOLVED,  that this Amendment shall be effective  immediately upon
receipt of approval of  Stockholders  of the Company (in accordance  with the
requirements of applicable law and the Company's  By-Laws) at the Special
Meeting of  Stockholders  or any  adjournment  or postponement thereof.Amendment No. 2

BE IT RESOLVED,  that the first  sentence of Section 7 of the Company's  1994
Stock Plan for Non-Employee Directors be and hereby is deleted and restated in
its entirety as follows:

"Whenever  believed  appropriate  by a majority of the members of the Company's
Board of Directors  who are not  eligible  for grants  pursuant to this Plan, a
Director  may be granted an Option to purchase  such number of Common  Stock as
such majority shall believe appropriate;  provided, however, that the number of
shares covered by such grant (and all other grants  previously  made) shall not
exceed the number of shares reserved pursuant to Section 6 above."

AND FURTHER RESOLVED, that this Amendment shall be effective immediately upon
receipt of approval of Stockholders of the Company (in accordance with the
requirements of applicable law and the Company's By-Laws) at the Special Meeting
of Stockholders or any adjournment or postponement thereof.<PAGE>

                                                                     EXHIBIT 4.1

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                          FIRST SUPPLEMENTAL INDENTURE

                                     BETWEEN

                              WELLS FARGO & COMPANY

                                       AND

                                 CITIBANK, N.A.

                          Dated as of October 12, 2000

                            SUPPLEMENTAL TO INDENTURE
                               DATED JULY 21, 1999

--------------------------------------------------------------------------------
<PAGE>

     THIS FIRST SUPPLEMENTAL INDENTURE dated as of October 12, 2000 between
WELLS FARGO & COMPANY, a Delaware corporation (the "Issuer"), and CITIBANK,
N.A., as trustee (the "Trustee").

                              W I T N E S S E T H :

     WHEREAS, the Issuer and the Trustee are parties to that certain Indenture
dated as of July 21, 1999 (the "Indenture");

     WHEREAS, the Issuer established and issued its Medium-Term Notes, Series A,
Senior Floating Rate Notes, EXtendible Liquidity SecuritiesSM (the "Notes");

     WHEREAS, Section 901 of the Indenture provides that, without the consent of
the Holders, the Issuer, when authorized by a Board Resolution, and the Trustee
may enter into indentures supplemental to the Indenture for the purpose of,
among other things, making any provisions with respect to matters or questions
arising under the Indenture which are not inconsistent with any provision of the
Indenture; provided that no such other provisions shall adversely affect the
interests of the Holders of Securities in any material respect.

     WHEREAS, the Issuer desires to modify certain provisions of the Notes to
reflect a modification in the timing of the acceptances of notices provided to
the Paying Agent under the Notes;

     WHEREAS, the entry into this First Supplemental Indenture by the parties
hereto is in all respects authorized by the provisions of the Indenture; and

     WHEREAS, all things necessary to make this First Supplemental Indenture a
valid indenture and agreement according to its terms have been done;

     NOW, THEREFORE:

     In consideration of the premises herein set forth, the Issuer and the
Trustee mutually covenant and agree for the equal and proportionate benefit of
the respective holders from time to time of the Notes as follows:

                                    ARTICLE 1

     Section 1.01. Amendment of the Notes. The provisions of the Notes contained
under the headings "Option to Extend Maturity" and "Election Period" are hereby
amended and restated in their entirety as follows:

Option to Extend
Maturity:           During the Election Period for any Election Date, if the
                    option to extend the maturity of this Security is exercised,
                    the maturity of this Security, or of any portion of this
                    Security having a principal amount of
<PAGE>

                    $1,000 or any larger multiple in excess thereof for which
                    such option has been exercised, shall be extended to the
                    Extended Maturity Date corresponding to such Election Date.
                    In order to exercise the option to extend the maturity of
                    all, or any portion, of the principal amount of this
                    Security, the holder of this Security must deliver to the
                    Paying Agent during the relevant Election Period (i) the
                    form entitled "Option to Extend Maturity" included below
                    duly completed and, in the event of an election to extend
                    the maturity of only a portion of the principal amount of
                    this Security, this Security or (ii) a telegram, telex,
                    facsimile transmission or a letter from a member of a
                    national securities exchange or the National Association of
                    Securities Dealers, Inc. or a commercial bank or a trust
                    company in the United States of America setting forth the
                    name of the holder of this Security, the principal amount
                    hereof, the certificate number of this Security or a
                    description of this Security's tenor or terms, a statement
                    that the option to elect extension of maturity is being
                    exercised thereby, the principal amount hereof with respect
                    to which such option is being exercised and a guarantee that
                    the form entitled "Option to Extend Maturity" included below
                    duly completed and, in the event of an election to extend
                    the maturity of only a portion of the principal amount of
                    this Security, this Security will be received by the Paying
                    Agent no later than five Business Days after the date of
                    such telegram, telex, facsimile transmission or letter;
                    provided that such telegram, telex, facsimile transmission
                    or letter shall not be effective unless this Security (if
                    required to be surrendered as aforesaid) and such form duly
                    completed are received by the Paying Agent by such fifth
                    Business Day. Such option may be exercised by the holder for
                    less than the entire principal amount hereof provided that
                    the principal amount for which such option is not exercised
                    is at least $1,000 or any larger amount that is an integral
                    multiple of $1,000.

                    If the option to extend the maturity of any portion hereof
                    is not duly exercised within the Election Period for any
                    such Election Date, a new Security or Securities in the form
                    attached hereto as Exhibit A

                                       2
<PAGE>

                    (each, a "Short-Term Security") for all or that portion of
                    the principal amount hereof as to which such option to
                    extend has not been made and having as its or their "Stated
                    Maturity Date" (as such term is used in each such Short-Term
                    Security) the Final Maturity Date corresponding to such
                    Election Date shall be issued (whose issuance date shall be
                    such Election Date) in the name of the holder hereof,
                    subject to delivery of this Security to the Paying Agent,
                    and Schedule I hereto shall be annotated as of such Election
                    Date to reflect the corresponding decrease in the principal
                    amount hereof. The failure to elect to extend the maturity
                    of all or any portion of this Security will be irrevocable
                    and will be binding upon any subsequent holder of such this
                    Security.

                    The Issuer and the Trustee shall deem this Security
                    cancelled as to any portion of the principal amount hereof
                    for which a duly completed form entitled "Option to Extend
                    Maturity" and, if applicable, this Security are not
                    delivered to the Paying Agent within the applicable Election
                    Period in accordance with the terms of this Security.

                    The maturity of this Security will not be extended beyond
                    September 14, 2005, or if such day is not a Business Day,
                    the immediately preceding Business Day.

Election Period:    With respect to any Election Date, the period beginning on
                    the fifth Business Day preceding such Election Date to, and
                    including, such Election Date; provided, however, that if
                    such Election Date is not a Business Day, the Election
                    Period will be extended to the next day that is a Business
                    Day; provided further that the holder of this Security must
                    deliver its duly completed "Option to Extend Maturity" on or
                    prior to 5:00 p.m. on the last Business Day in the Election
                    Period.

                                       3
<PAGE>

                                    ARTICLE 2
                            MISCELLANEOUS PROVISIONS

     Section 2.01. Further Assurances. The Issuer will, upon request by the
Trustee, execute and deliver such further instruments and do such further acts
as may reasonably be necessary or proper to carry out more effectively the
purposes of this First Supplemental Indenture.

     Section 2.02. Other Terms of Indenture. Except insofar as herein otherwise
expressly provided, all provisions, terms and conditions of the Indenture are in
all respects ratified and confirmed and shall remain in full force and effect.

     Section 2.03. Terms Defined. All terms defined elsewhere in the Indenture
shall have the same meanings when used herein.

     Section 2.04. Governing Law. This First Supplemental Indenture shall be
deemed to be a contract under the laws of the State of New York and for all
purposes shall be construed in accordance with the laws of such State, except as
may otherwise be required by mandatory provisions of law.

     Section 2.05. Counterparts. This First Supplemental Indenture may be
executed in any number of counterparts, each of which shall be an original; but
such counterparts shall together constitute but one and the same instrument.

     Section 2.06. Responsibility of the Trustee. The recitals contained herein
shall be taken as the statements of the Issuer, and the Trustee assumes no
responsibility for the correctness of the same. The Trustee makes no
representations as to the validity or sufficiency of this First Supplemental
Indenture.

                                       4
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental
Indenture to be duly executed, and their respective corporate seals to be
hereunto affixed and attached, all as of October 12, 2000.

                                       WELLS FARGO & COMPANY

[CORPORATE SEAL]

                                       By /s/ Paul D. Ardleigh
                                          --------------------------------------
                                          Name:  Paul D. Ardleigh
                                                 -------------------------------
                                          Title: Senior Vice President
                                                 -------------------------------

Attest:

By /s/ Laurel A. Holschuh
   --------------------------
   Secretary

                                       CITIBANK, N.A.

[CORPORATE SEAL]

                                       By /s/ Florence Mills
                                          --------------------------------------
                                          Name:  Florence Mills
                                                 -------------------------------
                                          Title: Senior Trust Officer
                                                 -------------------------------

Attest:

By Nancy Forte
   --------------------------
   Senior Trust Officer

                                       5
<PAGE>

STATE OF CALIFORNIA        )
                           ) ss.
COUNTY OF SAN FRANCISCO    )

     On this 12th day of October, 2000, before me personally came Paul D.
Ardleigh to me personally known, who, being by me duly sworn, did depose and say
that he resides at 111 Pine Street, 8th Floor, San Francisco, California, that
he is a Senior Vice President of Wells Fargo & Company, one of the corporations
described in and which executed the above instrument; that he knows the
corporate seal of said corporation; that the seal affixed to said instrument is
such corporate seal; that it was so affixed by authority of the Board of
Directors of said corporation, and that he signed his name thereto by like
authority.

                                       /s/ Karen A. Heaney
[NOTARIAL SEAL]                        -----------------------------------------
                                                     Notary Public

                                       6
<PAGE>

STATE OF NEW YORK      )
                       ) ss.
COUNTY OF NEW YORK     )

     On this 12th day of October, 2000, before me personally came Florence Mills
to me personally known, who, being by me duly sworn, did depose and say that she
resides at 111 Wall Street, 14th Floor, New York, New York 10005, that she is a
Senior Trust Officer of Citibank, N.A., one of the corporations described in and
which executed the above instrument; that she knows the corporate seal of said
corporation; that the seal affixed to said instrument is such corporate seal;
that it was so affixed by authority of the Board of Directors of said
corporation, and that she signed her name thereto by like authority.

                                       /s/ Peter M. Pavlyshin
[NOTARIAL SEAL]                        -----------------------------------------
                                                     Notary Public

                                       7

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