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U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549
 FORM 40-F/A o Registration Statement pursuant to Section 12 of the Securities Exchange Act of 1934 or
 þ Annual Report pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934.
 For the fiscal year ended December 31, 2003
    
    Commission File Number: 00050473
 IVANHOE MINES LTD. (Exact name of Registrant as specified in its charter)
 Yukon, Canada(Province or other
jurisdiction of
incorporation or
organization)
    
    1021(Primary Standard Industrial
Classification Code Number)
    
    Not Applicable(I.R.S. Employer Identification Number)
 Suite 654, 999 Canada Place, Vancouver, British Columbia, Canada V6C 3E1, (604) 688-5755(Address and telephone number of registrants principal executive offices) CT Corporation System
111 Eighth Avenue
New York, New York
10011
(212) 894-8700(Name, address and telephone number of agent for service in the United States) Securities registered or to be registered pursuant to Section 12(b) of the Act: None Securities registered or to be registered pursuant to Section 12(g) of the Act: Common Shares without par value(Title of Class) Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None For annual reports, indicate by check mark the information filed with this Form: þ Annual Information Form
    
    þ Audited Annual Financial Statements
 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: 265,440,052 Common Shares outstanding as of December 31, 2003




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TABLE OF CONTENTS  INTRODUCTORY NOTESIGNATURESection 302 Certification of CEOSection 302 Certification of CFO    Table of Contents  Indicate by check mark whether the Registrant by filing the information
contained in this Form is also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the Securities
Exchange Act of 1934 (the Exchange Act). If Yes is marked, indicate the
filing number assigned to the Registrant in connection with such Rule. Yes o
    
    No þ
 Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Exchange Act during the
preceding 12 months (or for such shorter period that the Registrant was
required to file such reports) and (2) has been subject to such filing
requirements for the past 90 days. Yes þ
    
    No o




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INTRODUCTORY NOTE By this Amendment No. 1 on Form 40-F/A, Ivanhoe Mines Ltd. (Ivanhoe) is
amending its Annual Report on Form 40-F filed on May 4, 2004 to provide
disclosure regarding its audit committee financial expert. AUDIT COMMITTEE FINANCIAL EXPERT Ivanhoes board of directors has determined that Mr. John Weatherall is an
audit committee financial expert. In addition, Mr. Weatherall is independent,
as that term is defined by the NASDAQ listing standards applicable to Ivanhoe. Mr. Weatherall, a Chartered Financial Analyst, is currently the President of
Scarthingmoor Asset Management Inc. He has over 40 years of experience as an
investment analyst and also has experience as a portfolio manager. 
 SIGNATURE Pursuant to the requirements of the Exchange Act, the Registrant certifies that
it meets all of the requirements for filing on Form 40-F and has duly caused
this Amendment No. 1 to be signed on its behalf by the undersigned, thereto
duly authorized. Dated: June 21, 2004 IVANHOE MINES LTD. By: Beverly A. Bartlett
Name: Beverly A. Bartlett
Title: Corporate Secretary




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EXHIBIT INDEX Exhibit Number
    
    Document1*
    
    Annual Information Form for the year ended December 31, 2003.2*
    
    Audited Comparative Consolidated Financial Statements of
Ivanhoe Mines Ltd., including the notes thereto, as of
December 31, 2003 and 2002, including a reconciliation to
United States generally accepted accounting principles, and
together with the auditors report thereon.3*
    
    Managements Discussion and Analysis of Financial Condition,
Results of Operations.4*
    
    Consent of Deloitte & Touche LLP, Chartered Accountants.5*
    
    Consent of Stephen Juras, Professional Engineer.6*
    
    Consent of Stephen Hodgson, Professional Engineer.7*
    
    Consent of Paul Chare, Professional Engineer.8*
    
    Consent of Ben Maynard, Professional Engineer.9*
    
    Consent of Charles Forster, Professional Engineer.10*
    
    Certification of the Chief Executive Officer Pursuant to
Section 302 of the Sarbanes Oxley Act of 2002 (pursuant to
Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange
Act, as amended).11*
    
    Certification of the Chief Financial Officer Pursuant to
Section 302 of the Sarbanes Oxley Act of 2002 (pursuant to
Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange
Act, as amended).12*
    
    Certification of the Chief Executive Officer pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002.13*
    
    Certification of the Chief Financial Officer pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002.14
    
    Certification of the Chief Executive Officer Pursuant to
Section 302 of the Sarbanes Oxley Act of 2002 (pursuant to
Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange
Act, as amended) dated June 21, 2004.15
    
    Certification of the Chief Financial Officer Pursuant to
Section 302 of the Sarbanes Oxley Act of 2002 (pursuant to
Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange
Act, as amended) dated June 21, 2004.
   *
    
    Previously Filed