##### 



United States
Securities and Exchange Commission


Washington, D.C. 20549


FORM 20-F/A

(Amendment No. 1)


Annual Report Pursuant to Section 13 or
15(d) of the Securities Exchange Act of 1934

For the fiscal year ended December 31,
2003


|                                                                                                                                                                                                                         |  |                                                                                                                                                                                      
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|                                                                                                                                                                                                                        
|Commission file number 1-3788N.V. Koninklijke Nederlandsche
    Petroleum Maatschappij(Exact name of registrant as specified in its charter)                                                                             |  | Commission file number 1-4039The Shell Transport and Trading
    Company, Public Limited Company(Exact name of registrant as specified in its charter)                             
|                                                                                                                                                                                                                        
|Royal Dutch Petroleum Company(Translation of registrants
    name into English)                                                                                                                                         |  |                                                                                                                                                                                      
|                                                                                                                                                                                                                        
|The Netherlands(Jurisdiction of incorporation or
    organisation)
    30, Carel van Bylandtlaan, 2596 HR The Hague, The
    Netherlands
    tel. no: (011 31 70) 377 9111
     (Address of principal executive offices) |  | England(Jurisdiction of incorporation or
    organisation)
    Shell Centre, London SE1 7NA, England
    tel. no: (011 44 20) 7934 1234
     (Address of principal executive offices)

Securities Registered Pursuant to
Section 12(b) of the Act

|                                                                             |  |                          |  |                                                                                                                                                                                                                         |  |                          
|---------------------------------------------------------------------------- |  | ------------------------ |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | -------------------------
|                                                                             |  | Name of Each Exchange    |  |                                                                                                                                                                                                                         |  | Name of Each Exchange    
|Title of Each Class                                                          |  | on Which Registered      |  | Title of Each Class                                                                                                                                                                                                     |  | on Which Registered      
|Ordinary shares of the nominal
    (par) value of 0.56 Euro
    (0.56) each |  | New York Stock Exchange* |  | New York Shares representing
    Ordinary shares of the issuer of
    an aggregate nominal amount of
    £1.50 each and evidenced by
    Depositary Receipts
    (New York Shares)
    Ordinary shares of 25p each*** |  | New York Stock Exchange**

|                                                                                                                                               |  |                                                                                                                                                                                                                                                                       
|---------------------------------------------------------------------------------------------------------------------------------------------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|*Also admitted to unlisted trading privileges on
    the following Stock Exchanges: Boston, Cincinnati, Midwest,
    Pacific and Philadelphia. |  | **Also admitted to unlisted trading privileges on
    the following Stock Exchanges: Boston, Cincinnati, Midwest,
    Pacific and Philadelphia.
    ***Not for trading, but only in connection with the listing of
    New York Shares on the New York Stock Exchange.

Securities Registered Pursuant to
Section 12(g) of the Act

None


Securities For Which There is a Reporting
Obligation Pursuant to Section 15(d) of the Act

None


|                                                                                                                                                                                                                                                                       |  |                                                                                                                                                                                                                                                                                       
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Indicate the number of outstanding shares of each
    of the issuers classes of capital or common stock as of
    the close of the period covered by the annual report.
    Outstanding as of December 31, 2003: 2,083,500,000 ordinary
    shares of 0.56
    each. |  | Indicate the number of outstanding shares of each
    of the issuers classes of capital or common stock as of
    the close of the period covered by the annual report.
    Outstanding as of December 31, 2003: 9,667,500,000 Ordinary
    shares of the nominal amount of 25p each.

Indicate by check mark whether the registrants
(1) have filed all reports required to be filed by
Section 13 or 15(d) of the Securities Exchange Act of 1934
during the preceding 12 months (or for such shorter period
that the registrants were required to file such reports), and
(2) have been subject to such filing requirements for the
past 90 days. Yes
üNo

Indicate by check mark which financial
statement item the registrants have elected to follow.
Item 17
üItem 18

Copies of notices and communications from the
Securities and Exchange Commission should be sent to:

CRAVATH, SWAINE & MOORE LLP

CityPoint, One Ropemaker Street, London
EC2Y 9HR, England


Attn: William P. Rogers, Jr.




1




---



##### 



EXPLANATORY NOTE

This Amendment No. 1 to the Annual Report on
Form 20-F for the year ended December 31, 2003, as
filed with the U.S. Securities and Exchange Commission on
June 30, 2004 (the Original Form 20-F), amends the
Original Form 20-F to include the signature pages to such
form, which were inadvertently omitted from the EDGAR
transmission of the Original Form 20-F.



2




---



##### 







Signatures

As to the undersigned registrant, this Report
consists solely of the information referred to on the
cross-reference sheet headed Royal Dutch and does not include
the information as to Shell Transport on page 35 under the
heading Selected Financial Data, on page 38, on
pages 83 through 93 and pages S2 through S22.

The material in this Report is stated as at
December 31, 2003, except that certain 2004 subsequent
events are stated down to June 14, 2004.

Pursuant to the requirements of Section 12
of the Securities Exchange Act of 1934, the registrant certifies
that it meets all of the requirements for filing on
Form 20-F and has duly caused this Report to be signed on
its behalf by the undersigned, thereunto duly authorised.

N.V. Koninklijke Nederlandsche Petroleum
Maatschappij

/s/ Jeroen van der Veer

--------------------------------------------------------------------


Jeroen van der Veer

President and Managing Director


/s/ Rob Routs

--------------------------------------------------------------------


Rob Routs

Managing Director


The Hague

June 29, 2004



3




---



##### 





As to the undersigned registrant, this Report
consists solely of the information referred to on the
cross-reference sheet headed Shell Transport and does not
include the information as to Royal Dutch on page 35 under
the heading Selected Financial Data, on
page 37, on pages 72 through 82 and pages R2
through R20.

The material in this Report is stated as at
December 31, 2003, except that certain 2004 subsequent
events are stated down to June 14, 2004.

Pursuant to the requirements of Section 12
of the Securities Exchange Act of 1934, the registrant certifies
that it meets all of the requirements for filing on
Form 20-F and has duly caused this Report to be signed on
its behalf by the undersigned, thereunto duly authorised.

The
Shell   Transport and Trading Company, Public
Limited Company

/s/ Malcolm Brinded

--------------------------------------------------------------------


Malcolm Brinded

Managing Director


London

June 30, 2004



4




---



##### 



Signatures


Pursuant to the requirements of Section 12
of the Securities Exchange Act of 1934, the registrant certifies
that it meets all of the requirements for filing on
Form 20-F/A and has duly caused this Amendment No. 1
to be signed on its behalf by the undersigned, thereunto duly
authorised.

N.V. KONINKLIJKE NEDERLANDSCHE PETROLEUM
MAATSCHAPPIJ

/s/ Jeroen van der Veer

---------------------------------


Jeroen van der Veer


President and Managing Director


/s/ Michiel Brandjes

---------------------------------


Michiel Brandjes


General Attorney


July 1, 2004

Pursuant to the requirements of Section 12
of the Securities Exchange Act of 1934, the registrant certifies
that it meets all of the requirements for filing on
Form 20-F/A and has duly caused this Amendment No. 1
to be signed on its behalf by the undersigned, thereunto duly
authorised.

THE   SHELL   TRANSPORT AND TRADING
COMPANY, PUBLIC LIMITED COMPANY



/s/ Malcolm Brinded

---------------------------------


Malcolm Brinded


Managing Director


July 1, 2004



5




---



##### 



Exhibits

Exhibit index

|        |  |                                                                                                                                                                                                                                                                                                                                                                      |  |     |    | 
|------- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | --- | -- | 
|       
|        | 
|Exhibit |  | Page                                                                                                                                                                                                                                                                                                                                                                 | 
|No.     |  | Description                                                                                                                                                                                                                                                                                                                                                          |  | No. |   
|        |  |                                                                                                                                                                                                                                                                                                                                                                      |  |    
|       
|        | 
|1.1     |  | Articles of Association of Royal Dutch
    (incorporated by reference to Exhibit 1.1 to the Annual
    Report on Form 20-F (Commission Files 1-3788 and
    1-4039) of Royal Dutch and Shell Transport filed with the
    Securities and Exchange Commission on March 31, 2003)                                                                                      |  |     |    | 
|1.2     |  | Memorandum and Articles of Association of Shell
    Transport (incorporated by reference to the Report of Foreign
    Issuer on Form 6-K (Commission File No. 1-4039) of
    Shell Transport furnished to the Securities and Exchange
    Commission on June 21, 2002)                                                                                               |  |     |    | 
|4.1     |  | Adjustment Agreement between Royal Dutch and
    Shell Transport dated July 5, 1907, and certain amendments
    thereto (incorporated by reference to Exhibit 4.1 to the
    Annual Report on Form 20-F (Commission File
    Nos. 1-3788 and 1-4039) of Royal Dutch and Shell Transport
    filed with the Securities and Exchange Commission on
    March 31, 2003) |  |     |    | 
|4.2     |  | Shell Petroleum N.V. Stock Option Plan, as
    amended (incorporated by reference to the Post-Effective
    Amendment No. 1 to Registration Statement on Form S-8
    (Registration No. 333-7590) of Royal Dutch and Shell
    Transport filed with the Securities and Exchange Commission on
    June 28, 2001)                                                     |  |     |    | 
|4.3     |  | Shell Petroleum Company Limited Stock Option Plan
    (1967), as amended (incorporated by reference to the
    Post-Effective Amendment No. 1 to Registration Statement on
    Form S-8 (Registration No. 333-7590) of Royal Dutch
    and Shell Transport filed with the Securities and Exchange
    Commission on June 28, 2001)                                   |  |     |    | 
|8       |  | Significant Group companies as at
    December 31, 2003*                                                                                                                                                                                                                                                                                                             |  |     |    | 
|23.1    |  | Consent of KPMG Accountants N.V., The Hague*                                                                                                                                                                                                                                                                                                                         |  |     |    | 
|23.2    |  | Consent of PricewaterhouseCoopers LLP, London*                                                                                                                                                                                                                                                                                                                       |  |     |    | 
|23.3    |  | Consent of KPMG Accountants N.V., The Hague and
    PricewaterhouseCoopers LLP, London*                                                                                                                                                                                                                                                                              |  |     |    | 
|23.4    |  | Consent of KPMG Accountants N.V., The Hague*                                                                                                                                                                                                                                                                                                                         |  |     |    | 
|23.5    |  | Consent of KPMG Accountants N.V., The Hague and
    PricewaterhouseCoopers LLP, London*                                                                                                                                                                                                                                                                              |  |     |    | 
|23.6    |  | Consent of KPMG Accountants N.V., The Hague and
    PricewaterhouseCoopers LLP, London*                                                                                                                                                                                                                                                                              |  |     |    | 
|23.7    |  | Consent of KPMG Accountants N.V., The Hague and
    PricewaterhouseCoopers LLP, London*                                                                                                                                                                                                                                                                              |  |     |    | 
|99.1    |  | Section 302 Certification of Royal Dutch                                                                                                                                                                                                                                                                                                                             |  |     | E1 | 
|99.2    |  | Section 302 Certification of Royal Dutch                                                                                                                                                                                                                                                                                                                             |  |     | E2 | 
|99.3    |  | Section 302 Certification of Shell Transport                                                                                                                                                                                                                                                                                                                         |  |     | E3 | 
|99.4    |  | Section 302 Certification of Shell Transport                                                                                                                                                                                                                                                                                                                         |  |     | E4 | 
|99.5    |  | Section 906 Certification of Royal Dutch*                                                                                                                                                                                                                                                                                                                            |  |     |    | 
|99.6    |  | Section 906 Certification of Shell Transport*                                                                                                                                                                                                                                                                                                                        |  |     |    | 
|        |  |                                                                                                                                                                                                                                                                                                                                                                      |  |    



|  |                                         
|- | ----------------------------------------
|* | Filed as part of the Original Form 20-F.



6