##### 



Exhibit 3.3


(English translation to follow)


CONVENIO MODIFICATORIO DEL


CONTRATO DE FIDEICOMISO IRREVOCABLE NÚMERO F-410


entre


ING. JOSÉ FRANCISCO SERRANO SEGOVIA


SR. RAMÓN SERRANO SEGOVIA


SRA. TERESA SERRANO SEGOVIA


como Fideicomitentes


y


GE CAPITAL BANK, S.A.


INSTITUCIÓN DE BANCA MÚLTIPLE,


GE CAPITAL GRUPO FINANCIERO


como Fiduciario


Con la comparecencia de CITIBANK, N.A.


DE FECHA 15 DE DICIEMBRE DE 2004




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##### 



CONVENIO MODIFICATORIO DEL CONTRATO DE FIDEICOMISO
IRREVOCABLE NUMERO F-410,




| |     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
| | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | (1) | EL INGENIERO JOSÉ FRANCISCO SERRANO SEGOVIA (en lo sucesivo
    el Ing. José Serrano);                                                                                                                                                                                                                                                                                                                                                                                                               
|
| | (2) | EL SEÑOR RAMÓN SERRANO SEGOVIA (en lo sucesivo el
    Sr. Ramón Serrano, y junto con el Ing.
    José Serrano, los Sres. Serrano);                                                                                                                                                                                                                                                                                                                                                                 
|
| | (3) | LA SEÑORA TERESA SERRANO SEGOVIA (en lo sucesivo la
    Sra. Teresa Serrano); y                                                                                                                                                                                                                                                                                                                                                                                                                      
|
| | (4) | GE CAPITAL BANK, S.A., INSTITUCIÓN DE BANCA MÚLTIPLE,
    GE CAPITAL GRUPO FINANCIERO, como Fiduciario del fideicomiso
    referido en el Antecedente I de este Convenio, una
    institución de crédito debidamente organizada y
    existente para actuar como fiduciario conforme a las leyes del
    los Estados Unidos Mexicanos (en lo sucesivo el
    Fiduciario), representada en este acto por
    sus Delegados Fiduciarios Elvira Gutiérrez Escobar y
    Aurelio Sergio Torres Rodríguez.

Banco Grupo
TMM TMM
Holdings MM


A N T E C E D E N T E S


Contrato de Fideicomiso Fideicomiso


Acciones
JOSS




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##### 





Acciones
RASS Acciones
TESS


Caución
Bursátil


KCS Kara
Sub KCS
Investment KCS Sub Caymex Amended and Restated Acquisition Agreement AAA Acquisition Agreement Adquisición GTFM


Acciones TMM Holdings


Immobiliaria Contrato de Fideicomiso
MM Fideicomiso MM Acciones MM




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##### 







Acciones GTFM








POR LO ANTERIOR,


C L A U S U L A S


PRIMERA


Inciso 4.02. Derechos Corporativos de las Acciones. en el entendido que, no obstante lo
anterior Documentos
Accesorios




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##### 







| |       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
| | ----- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | (i)   | aprobando irrevocablemente la Adquisición y las otras
    operaciones contempladas por el AAA, así como los
    Documentos Accesorios;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|
| | (ii)  | instruyendo irrevocablemente para que se convoque a una asamblea
    de accionistas de TMM Holdings para analizar y, en su caso,
    aprobar irrevocablemente la Adquisición y las otras
    operaciones contempladas en los Documentos Accesorios; y                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|
| | (iii) | instruyendo irrecovablemente que, en las asamblea be accionistas
    de TMM Holdings que se convoque para analizar y, en su caso,
    aprobar irrecocablemente la Adquisición y las otras
    operaciones contempladas en los Documentos Accesorios, el
    derecho de voto inherente a todas las Acciones TMM Holdings sea
    ejercido por Grupo TMM (I) aprobando irrevocablemente la
    Adquisición y las otras transacciones contempladas por el
    AAA, y los Documentos Accesorios; y (II) instruyendo
    irrevocablemente que (A) se convoque a una asamblea de
    accionistas de MM para analizar y, en su caso, aprobar
    irrevocablemente la Adquisición y las otras transacciones
    contempladas por los Documentos Accesorios, y (B) en la
    asamblea de accionistas de MM convocada irrevocablemente para
    analizar y, en su caso, aprobar la Adquisición y las otras
    operaciones contempladas en los Documentos Accesorios, TMM
    Holdings ejerza los derechos de voto inherentes a todas las
    Acciones MM aprobando irrevocablemente la Adquisición,
    todas las otras operaciones contempladas por el AAA, los
    Documentos Accesorios y cualquier otro asunto relacionado con la
    celebración, aprobación, entrega (delivery),
    cumplimiento y ejecución del AAA.



Amended and
Restated Acquisition Agreement que KCS Acquisition Agreement Adquisición






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##### 







SEGUNDA.


Inciso 6.02. Modificaciones. en el entendido que




TERCERA.


EN TESTIMONIO DE LO ANTERIOR


LOS FIDEICOMITENTES:


|                          |  |                          
|------------------------- |  | -------------------------
|ING. JOSE SERRANO SEGOVIA |  | SR. RAMÓN SERRANO SEGOVIA

|                                  |  |                                  
|--------------------------------- |  | ---------------------------------
|/s/ ING. JOSE SERRANO
    SEGOVIA |  | /s/ SR. RAMÓN SERRANO
    SEGOVIA
|                                  |  |                                  
|                                 
|ING. JOSE SERRANO SEGOVIA         |  | SR. RAMÓN SERRANO SEGOVIA        



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##### 





SRA. TERESA SERRANO SEGOVIA







EL FIDUCIARIO:


GE CAPITAL BANK, S.A.


INSTITUCIÓN DE BANCA MÚLTIPLE


GE CAPITAL GRUPO FINANCIERO


|                                                                 |  |                                                                        
|---------------------------------------------------------------- |  | -----------------------------------------------------------------------
|/s/ Elvira Gutiérrez                                             |  | /s/ Aurelio Sergio Torres                                              
|                                                                 |  |                                                                        
|                                                                
|Por: Elvira Gutiérrez
    Escobar
    Cargo: Delegado Fiduciario |  | Por: Aurelio Sergio Torres
    Rodríguez
    Cargo: Delegado Fiduciario

EL BANCO:


CITIBANK, N.A.





| |       
| | ------
| | Por:  
| | Cargo:

ENTERADO Y ACEPTADO:


|                                                          |  |                                                          
|--------------------------------------------------------- |  | ---------------------------------------------------------
|GRUPO TMM, S.A.                                           |  | TMM HOLDINGS, S.A. DE C.V.                               
|                                                         
|/s/ Jóse F. Serrano Segovia                               |  | /s/ Jóse F. Serrano Segovia                              
|/s/ Javier Segovia Serrano                                |  | /s/ Javier Segovia Serrano                               
|                                                          |  |                                                          
|                                                         
|Por: Jóse F. Serrano Segovia y
    Javier Segovia Serrano |  | Por: Jóse F. Serrano Segovia y
    Javier Segovia Serrano
|                                                         
|Cargo: Attorney in Fact/Attorney in Fact                  |  | Cargo: Attorney in Fact/Attorney in Fact                 





---



##### 





TMM MULTIMODAL, S.A. DE C.V.













|       |                                  
|------ | ---------------------------------
|Cargo: | Attorney In Fact/Attorney In Fact



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##### 



SRA. TERESA SERRANO SEGOVIA







EL FIDUCIARIO:


GE CAPITAL BANK, S.A.


INSTITUCIÓN DÉ BANCA MÚLTIPLE


GE CAPITAL GRUPO FINANCIERO


|                                                                 |  |                                                                        
|---------------------------------------------------------------- |  | -----------------------------------------------------------------------
|/s/ Elvira Gutierrez                                             |  | /s/ Aurelío Sergio Torres                                              
|                                                                 |  |                                                                        
|                                                                
|Por: Elvira Gutierrez
    Escobar
    Cargo: Delegado Fiduciario |  | Por: Aurelío Sergio Torres
    Rodriquez
    Cargo: Delegado Fiduciario

EL BANCO:


CITIBANK, N.A.















ENTERADO Y ACEPTADO:


|                            |  |                            
|--------------------------- |  | ---------------------------
|GRUPO TMM, S.A.             |  | TMM HOLDINGS, S.A. DE C.V. 
|                           
|/s/ Jóse F. Serrano Segovia |  | /s/ Jóse F. Serrano Segovia
|/s/ Javier Segovia Serrano  |  | /s/ Javier Segovia Serrano 
|                            |  |                            
|                           
|Por:                        |  | Por:                       
|                           
|Cargo:                      |  | Cargo:                     





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##### 



Exhibit 3.3 AMENDING AGREEMENT TO THE IRREVOCABLE TRUST CONTRACT NUMBER F-410 Among ING. JOSE FRANCISCO SERRANO SEGOVIA MR. RAMON SERRANO SEGOVIA MRS. TERESA SERRANO SEGOVIA As Trustors And GE CAPITAL BANK, S.A.
INSTITUCION DE BANCA MULTIPLE
GE CAPITAL GRUPO FINANCIERO As Trustee With the appearance of CITIBANK, N.A. DATED DECEMBER 15, 2004




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Translation AMENDING AGREEMENT TO THE IRREVOCABLE TRUST CONTRACT NUMBER F-410, dated December 15, 2004, among:  (1)
    
    ENGINEER JOSE FRANCISCO SERRANO SEGOVIA (hereafter Ing. José Serrano);(2)
    
    MR. RAMON SERRANO SEGOVIA (hereafter Mr. Ramón Serrano and together with
Ing. José Serrano, Messrs. Serrano);(3)
    
    MRS. TERESA SERRANO SEGOVIA (hereafter Mrs. Teresa Serrano); and(4)
    
    GE CAPITAL BANK, S.A., INSTITUCION DE BANCA MULTIPLE, GE CAPITAL GRUPO FINANCIERO, as
Trustee of the trust referred to in History I of this Agreement, a credit institution that
is duly organized and exists to act as trustee under the laws of the United Mexican States
(hereafter Trustee), represented in this act by its Delegate Trustees Elvira
Gutiérrez Escobar and Aurelio Sergio Torres Rodríguez. With the appearance of CITIBANK, N.A. (the Bank), and with the acknowledgement and
acceptance of Grupo TMM, S.A. (Grupo TMM), TMM Holdings, S.A. de C.V. (TMM
Holdings) and TMM Multimodal, S.A. de C.V. (MM). HISTORY  I.
    
    On December 14, 2001, Messrs. Serrano, Mrs. Teresa Serrano and the Trustee, with the
appearance of the Bank, executed an irrevocable trust contract which was modified
according to a certain amending agreement executed by the same parties on September 19,
2002 (the Trust Contract) under which Messrs. Serrano and Mrs. Teresa Serrano
constituted trust number F-410 with the Trustee (the Trust), to which Ing. José
Serrano contributed 3,036,555 (three million three hundred thirty-six thousand five
hundred fifty-five) Series A shares, Mr. Ramón Serrano contributed 2,277,681 (two
million two hundred seventy-seven thousand six hundred eighty-one) Series A shares and
Mrs. Teresa Serrano contributed 4,412,914 (four million four hundred twelve thousand nine
hundred fourteen) Series A shares, all representative of the capital stock of Grupo TMM.
The terms defined in the Trust Contract are used in this Agreement with the same meaning
attributed in the Trust Contract, unless specifically defined otherwise in this Agreement.II.
    
    To this date, the Trust Patrimony includes, among other things, 179,234 (one hundred
seventy-nine thousand two hundred thirty-four) Series A shares contributed by Ing. José
Serrano (the JOSS Shares), 134,441 (one hundred thirty-four thousand four
hundred forty-one) Series A shares contributed by Mr. Ramón Serrano (the RASS
Shares) and 260,475 (two hundred sixty thousand four
hundred seventy-five) Series A shares contributed by Mrs. Teresa Serrano (the TESS Shares), altogether
representing 1.007% (one 2




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##### 



Translation point zero zero seven percent) of the outstanding capital stock of Grupo TMM.  III.
    
    In order to guarantee certain obligations of Promotora Servia, S.A. de C.V. and
Messrs. Serrano in favor of the Bank, in December 2002 the Trustee constituted a
Securities lien over the JOSS Shares, the RASS Shares and the TESS Shares (the
Securities Lien) with Banco Nacional de México, S.A., a member of Grupo
Financiero Banamex, as collateral agent.IV.
    
    On December 15, 2004, Kansas City Southern (KCS), KARA Sub Inc. (Kara
Sub), KCS Investment I, Ltd. (KCS Investment), KCS Acquisition Subsidiary,
Inc. (KCS Sub) and Caymex Transportation, Inc. (Caymex), as one party,
and Grupo TMM, TMM Holdings and MM, as the other party, executed an Agreement titled
Amended and Restated Acquisition Agreement(the AAA), which entirely amends the
certain contract titled Acquisition Agreementdated April 20, 2003, under which, as
modified and subject to the conditions established therein, KARA Sub, KCS Investment and
Caymex shall acquire (the Acquisition) all the shares of the capital stock of
Grupo Transportación Ferroviaria Mexicana, S.A. de C.V. (GTFM) owned by MM.V.
    
    Grupo TMM is the legitimate owner of 49 (forty-nine) shares of the fixed part and
4,202,359 (four million two hundred two thousand three hundred fifty-nine) shares of the
variable part of the capital stock of TMM Holdings, free and clear of any encumbrance,
claim or lien by third parties, which represent 99.99% (ninety-nine point ninety-nine
percent) of the capital stock of TMM Holdings (the TMM Holdings Shares).VI.
    
    On August 11, 2004, TMM Holdings and Inmobiliaria TMM, S.A. de C.V.
(Inmobiliaria), as trustors, The Bank of New York as collateral agent and first
place trust beneficiary, and Banco J.P. Morgan, S.A., Institución de Banca Múltiple, J.P.
Morgan Grupo Financiero, Fiduciary Division, as trustee, executed an Irrevocable
Administration and Guarantee Trust Contract Number F/00088 (the MM Trust
Contract), under which (i) TMM Holdings and Inmobiliaria constituted a trust (the
MM Trust), (ii) TMM Holdings contributed 49
(forty-nine) Class I, Series A shares and 2,661,208 (two million six hundred sixty-one thousand two hundred eight) Class
II, Series A shares, representing the capital stock of MM and which altogether represent
over 96% (ninety-six percent) of the capital stock of MM (the MM Shares) and
Inmobiliaria contributed 1 (one) Class I, Series A share of the capital stock of MM, and
(iii) the trustee must allow TMM Holdings to exercise, on behalf of the trustee, all
voting, corporate and any other rights inherent to the MM shares contributed respectively
by TMM Holdings, unless the trustee of the MM Trust receives from The Bank of New York, in
its capacity as collateral agent under the MM Trust Contract, a notice of default
requesting of the trustee the revocation of the powers granted to TMM Holdings to exercise
the voting rights corresponding to the MM Shares. 3




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##### 



Translation  VII.
    
    MM is the legitimate owner of 3,868,401 (three million eight hundred sixty-eight
thousand four hundred one) shares representing 38.43% (thirty-eight point forty-three
percent) of the capital stock of GTFM, free from any third party encumbrance, claim or
lien (the GTFM Shares).VIII.
    
    The execution of this Amending Agreement is a condition precedent for the
obligations assumed by KCS, Kara Sub, KCS Investment, KCS Sub and Caymex in the AAA.IX.
    
    Messrs. Serrano and Mrs. Teresa Serrano wish to execute this Amending Agreement to
establish a legal mechanism for the Shares to be voted in favor of the approval of the AAA
in the shareholders meeting of Grupo TMM in which the AAA is submitted to approval.X.
    
    This Amending Agreement is a valid and enforceable contract according to its terms,
against the parties thereto, and except for the Securities Lien and the Trust, there is no
encumbrance, lien, option or interest whatsoever with respect to the Shares that are part
of the Trust Patrimony. NOW THEREFORE, and taking into account the above History and in accordance with what is permitted
under Clause 6.02 of the Trust Contract, the parties agree and bind themselves pursuant to the
following: CLAUSES FIRST. Clause 4.02 of the Trust Contract is hereby modified so that as of the date of this
Amending Agreement, such Clause 4.02 will read as follows: Clause 4.02. Corporate Rights of the Shares. The Trustee shall in all cases
administer and exercise the corporate rights inherent to the Shares it holds according to
instructions (i) of Ing. José Serrano in relation to the JOSS Shares, (ii) from Mr. Ramón Serrano
with respect to the RASS Shares, and (iii) from Mrs. Teresa Serrano with respect to the TESS
Shares; provided, however that if a shareholders meeting of the Grupo TMM is called on or
before December 31, 2005 to analyze and, if such is the case, irrevocably approve the Acquisition
and other transactions contemplated in the AAA and the ancillary documents to the AAA (the
Ancillary Documents), the Trustee shall exercise the voting rights inherent to all the
Shares it holds:  (i)
    
    irrevocably approving the Acquisition and other operations contemplated in the AAA as
well as the Ancillary Documents;(ii)
    
    irrevocably giving instructions to call a shareholders meeting of TMM Holdings to
analyze, and if such is the case, irrevocably approve the Acquisition and other operations
contemplated in the Ancillary Documents; and 4




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##### 



Translation  (iii)
    
    irrevocably instructing that, in the TMM shareholders meeting called to analyze, and
if applicable, irrevocably approve the Acquisition and the other operations contemplated
in the Ancillary Documents, the voting right inherent to all the TMM Holdings Shares will
be exercised by Grupo TMM (I) irrevocably approving the Acquisition and the other
transactions contemplated by the AAA and the Ancillary Documents; and (II) irrevocably
instructing that (A) an MM shareholders meeting be called to analyze, and if applicable,
irrevocably approve the Acquisition and the other operations contemplated in the Ancillary
Documents, and (B) in the MM shareholders meeting irrevocably called to analyze, and if
applicable, irrevocably approve the Acquisition and the other operations contemplated in
the Ancillary Documents, TMM Holdings will exercise the voting rights inherent to all the
MM Shares irrevocably approving the Acquisition, all other operations contemplated by the
AAA the Ancillary Documents and any other issue related to the execution, approval,
delivery and performance of the AAA. For the purposes of this Trust: AAA means the agreement titled Amended and Restated Acquisition Agreement executed on December
15, 2004, by Kansas City Southern (KCS), KARA Sub Inc., KCS Investment I, Ltd., KCS
Acquisition Subsidiary, Inc. and Caymex Transportation, Inc., as one party, and Grupo TMM, TMM
Holdings and MM, as the other party, which modifies in full a certain contract named Acquisition
Agreement dated April 20, 2003, under which, as amended, and subject to the conditions established
therein, KARA Sub inc., KCS Investment I, Ltd. and Caymex Transportation, Inc., shall acquire (the
Acquisition) all shares of the capital stock of the Grupo Transportación Ferroviaria
Mexicana, S.A. de C.V. owned by MM. It is expressly established that (i) the Trustee shall be present at all ordinary and extraordinary
shareholders meetings of Grupo TMM to which it is called and shall exercise the voting rights
inherent to the shares it holds under Clause 4.02, and (ii) the Trustee, upon written request of
KCS (with a copy delivered to Messrs. Serrano and Mrs. Teresa Serrano), must request of the
chairman or secretary of the board of directors of Grupo TMM, that he call a shareholders meeting
of Grupo TMM to analyze, and, if such is the case, irrevocably approve the Acquisition and other
operations contemplated in the Ancillary Documents. SECOND. Clause 6.02 of the Trust Contract is hereby modified to read as follows as of the
date of this Amending Agreement: Clause 6.02. Modifications. (i) No modification or waiver of any provision of this Trust
will be valid unless it is in writing and signed by Trustee, Messrs. Serrano, Mrs. Teresa Serrano
and the Bank, and in this case, such modification or waiver will only be valid for the specific
case and in relation to the modification or waiver for which it has been executed (ii) provided
that, the foregoing notwithstanding, on or before December 31, 2005 (or any other subsequent
date to which the Termination Date (as defined in the 5




---



##### 



Translation AAA) of the AAA has been extended), any modification or waiver of any provision of Clause 4.02 of
this Trust or paragraph (ii) of this Clause 6.02, must also be approved and consented in advance
and in writing by KCS. The rights granted to KCS under this Clause 6.02 are a stipulation in favor of KCS according to
articles 1868, 1869 and 1870 of the Federal Civil Code, with respect to which Messrs. Serrano and
Mrs. Teresa Serrano waive the rights and exceptions that may correspond to them under articles 1871
and 1872 of the Federal Civil Code. THIRD. The parties to this Amending Agreement agree that nothing stipulated herein will
affect any right that the Bank may have as secured creditor with respect to the Shares, and except
for the provisions of the Trust Contract that are specifically modified pursuant to this Amending
Agreement, all other provisions of the Trust Contract are hereby ratified. IN WITNESS WHEREOF, the parties sign this Agreement on the date indicated at the beginning of its
instrument. TRUSTORS ING. JOSE SERRANO SEGOVIA
    
    MR. RAMON SERRANO SEGOVIA[illegible signature]
    
    [illegible signature]
 MRS. TERESA SERRANO SEGOVIA [illegible signature] TRUSTEE GE CAPITAL BANK, S.A.
INSTITUCION DE BANCA MULTIPLE
GE CAPITAL GRUPO FINANCIERO [illegible signature]
By: Elvira Gutiérrez Escobar
Title: Delegate Trustee
    
    [illegible signature]
By: Aurelio Sergio Torres Rodríguez
Title: Delegate Trustee
 BANK CITIBANK, N.A. By:Title:
 6




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##### 



Translation RECEIVED AND ACCEPTED: GRUPO TMM, S.A.
    
    
    
    TMM HOLDINGS, S.A. DE C.V.[illegible signature]
    
    
    
    [illegible signature]By: JOSE F. SERRANO SEGOVIA and
    
    
    
    By: JOSE F. SERRANO SEGOVIA andTitle: JAVIER SEGOVIA SERRANO
    
    
    
    Title: JAVIER SEGOVIA SERRANOAttorney-in-Fact / Attorney-in-Fact
    
    
    
    Attorney-in-Fact / Attorney-in-Fact
 TMM MULTIMODAL, S.A. DE C.V.[illegible signature]By: JOSE F. SERRANO SEGOVIA andTitle: JAVIER SEGOVIA SERRANOAttorney-in-Fact / Attorney-in-Fact
 7




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##### 



Translation MRS. TERESA SERRANO SEGOVIA [illegible signature] TRUSTEE GE CAPITAL BANK, S.A.
INSTITUCION DE BANCA MULTIPLE
GE CAPITAL GRUPO FINANCIERO [illegible signature]
    
    
    
    [illegible signature]By: Elvira Gutiérrez Escobar
    
    
    
    By: Aurelio Sergio Torres RodríguezTitle: Delegate Trustee
    
    
    
    Title: Delegate Trustee
 BANK CITIBANK, N.A. [illegible signature] By: CATHERINE J. PULVERTitle: Vice President  Senior Credit OfficerInvestment Finance  Latin AmericaPrivate Banking Group
 RECEIVED AND ACCEPTED: GRUPO TMM, S.A.
    
    
    
    TMM HOLDINGS, S.A. DE C.V.[illegible signature]
    
    
    
    [illegible signature]By:
    
    
    
    By:Title:
    
    
    
    Title:
 8