<Page> As filed with the Securities and Exchange Commission on February 3, 2004 Registration No. 333-101728 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST EFFECTIVE AMENDMENT TO FORM F-6 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY AMERICAN DEPOSITARY RECEIPTS IMPALA PLATINUM HOLDINGS LIMITED (Exact name of issuer of deposited securities as specified in its charter) n/a (Translation of issuer's name into English) Republic of South Africa (Jurisdiction of incorporation or organization of issuer) DEUTSCHE BANK TRUST COMPANY AMERICAS (Exact name of depositary as specified in its charter) 60 Wall Street New York, New York 10005 (212) 250-1905 (Address, including zip code, and telephone number, including area code, of depositary's principal executive offices) David Orlin WINDELS, MARX, LANE & MITTENDORF, LLP 156 West 56th Street, New York, NY 10019 (212) 237 1174 (Address, including zip code, and telephone number, including area code, of agent for service) Copies to: DEUTSCHE BANK TRUST COMPANY AMERICAS 60 Wall Street New York, New York 10005 (212) 250-1905 It is proposed that this filing become effective under Rule 466: X immediately upon filing. --- on (Date) at (Time). If a separate registration statement has been filed to register the deposited shares, check the following box : CALCULATION OF REGISTRATION FEE - --------------------------------------------------------------------------------------------------------------------------- Title of Each Class of Amount to be Proposed Maximum Proposed Maximum Amount of Securities to be Registered Registered Aggregate Price Per Aggregate Offering Registration Fee Unit* Price** - --------------------------------------------------------------------------------------------------------------------------- American Depositary Shares, each N/A N/A N.A N/A representing one quarter of one ordinary share of Impala Platinum Holdings Limited - --------------------------------------------------------------------------------------------------------------------------- - --------------------------------------------------------------------------------------------------------------------------- <Page> This Post-Effective Amendment to Registration Statement on Form F-6 may be executed in any number of counterparts, each of which shall be deemed an original, and all of such counterparts together shall constitute one and the same instrument. -2- <Page> PART I INFORMATION REQUIRED IN PROSPECTUS The Prospectus consists of the proposed form of American Depositary Receipt ("ADR" or "American Depositary Receipt") included as Exhibit A to the Form of Amendment to Deposit Agreement filed as Exhibit (a)(2) to the Post-Effective Amendment to Registration Statement on Form F6 which is incorporated herein by reference. Item 1. DESCRIPTION OF SECURITIES TO BE REGISTERED Cross Reference Location in Form of Receipt Item Number and Caption Filed Herewith as Prospectus - ----------------------- ---------------------------- <c> 1. Name and address of depositary Introductory Article 2. Title of American Depositary Receipts and identity Face of Receipt, top center of deposited securities Terms of Deposit: (i) The amount of deposited securities Face of Receipt, upper right corner represented by one unit of American Depositary Receipts (ii) The procedure for voting, if any, the Articles number 15 and 18 deposited securities (iii) The collection and distribution of dividends Articles number 4, 13, 14, 16 and 18 (iv) The transmission of notices, reports and Articles number 12, 15 and 18 proxy soliciting material (v) The sale or exercise of rights Articles number 13 and 14 (vi) The deposit or sale of securities resulting Articles number 13, 14, 16 and 18 from dividends, splits or plans of reorganization (vii) Amendment, extension or termination of the Articles number 20 and 21 deposit -3- <Page> (viii) Rights of holders of Receipts to inspect the Article number 12 transfer books of the depositary and the list of holders of Receipts (ix) Restrictions upon the right to deposit or Articles number 2, 3, 4, 6 and 8 withdraw the underlying securities (x) Limitation upon the liability of the Articles number 13, 17, 18 and 21 depositary 3. Fees and Charges Articles number 6 and 9 Item - 2. AVAILABLE INFORMATION Public reports furnished by issuer Article number 12 The Company furnishes the United States Securities and Exchange Commission (the "Commission") with certain public reports and documents required by foreign law or otherwise under rule 12g3-2(b) under the Securities Exchange Act of 1934. These reports can be inspected by holders of receipts and copied at public reference facilities maintained by the Commission located at Judiciary Plaza, 450 Fifth Street, N.W. (Room 1024), Washington D.C. 20549, and at the principal executive office of the Depositary. -4- <Page> PART II INFORMATION NOT REQUIRED IN PROSPECTUS Item 3. EXHIBITS (a)(1) Form of Deposit Agreement. Form of Deposit Agreement among Impala Platinum Holdings Limited, Deutsche Bank Trust Company Americas, as depositary (the "Depositary"), and all owners and holders from time to time of American Depositary Receipts issued thereunder (the "Deposit Agreement"), was previously filed as Exhibit (a) to Registration Statement No. 333-101728 and is incorporated herein by reference. (a)(2) Form of Amendment to Deposit Agreement. Form of Amendment to Deposit Agreement, including the Form of American Depositary Receipt is filed herewith as Exhibit (a)(2) (b) Any other agreement to which the Depositary is a party relating to the issuance of the American Depositary Shares registered hereunder or the custody of the deposited securities represented thereby. Not Applicable. (c) Every material contract relating to the deposited securities between the Depositary and the issuer of the deposited securities in effect at any time within the last three years. Not Applicable. (d) Opinion of counsel to the Depositary as to the legality of the securities being registered. Previously Filed (e) Certification under Rule 466. Filed herewith as Exhibit (e). (f) Powers of Attorney for certain officers and directors and the authorized representative of the Company. Previously Filed. Item 4. UNDERTAKINGS (a) The Depositary hereby undertakes to make available at the principal office of the Depositary in the United States, for inspection by holders of the American Depositary Receipts, any reports and communications received from the issuer of the deposited securities which are both (1) received by the Depositary as the holder of the deposited securities, and (2) made generally available to the holders of the underlying securities by the issuer. (b) If the amounts of fees charged are disclosed in the prospectus, the Depositary undertakes to prepare a separate document stating the amount of any fee charged and describing the service for which it is charged and to deliver promptly a copy of such fee schedule without charge to anyone upon request. The Depositary undertakes to notify each registered holder of an American Depositary Receipt thirty days before any change in the fee schedule. -5- <Page> SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that all the requirements for filing on Form F-6 are met and has duly caused this Post-Effective Amendment to Registration Statement on Form F-6 to be signed on its behalf by the undersigned, thereunto duly authorized, in the city of London, on January 29, 2004. Legal entity created by the agreement for the issuance of American Depositary Receipts for ordinary shares of Impala Platinum Holdings Limited. By: Deutsche Bank Trust Company Americas, As Depositary By: /s/William Fahey ----------------------------- William Fahey Vice President By: /s/Paul Martin ----------------------------- Paul Martin Vice President -6- <Page> SIGNATURES Pursuant to the requirements of the Securities of 1933, Impala Platinum Holdings Limited certifies that it has reasonable grounds to believe that all the requirements for filing on Form F-6 are met and has duly caused this Post-Effective Amendment to Registration Statement on Form F-6 to be signed on its behalf by the undersigned, thereunto duly authorized, in Marshalltown, the Republic of South Africa on January 27, 2004. Impala Platinum Holdings Limited By: /s/ D.H. Brown ----------------------------------- Name: D. H. Brown Title: Finance Director By: /s/ Alan Michael Snashall ----------------------------------- Name: Alan Michael Snashall Title: Company Secretary -7- <Page> Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment to Registration Statement on Form F-6 has been signed by the following persons in the following capacities on January 29, 2004. Signature Title --------- ----- - ---------------------------------- Chairman of the Board of Directors PG Joubert * Chief Executive Officer (Principal Executive Officer) - ---------------------------------- KC Rumble * - ---------------------------------- DH Brown Director * - ---------------------------------- CE Markus Director - ---------------------------------- JM McMahon Director * - ---------------------------------- MV Mennell Director - ---------------------------------- L Molotlegi Director * - ---------------------------------- DM O'Connor Director * - ---------------------------------- MF Pleming Director -8- <Page> - ---------------------------------- JV Roberts Director * Finance Director (Principal Financial and Accounting - ---------------------------------- Officer) DH Brown * - --------------------------------- David Orlin Authorized Representative in the United States *By:/s/ Alan Michael Snashall ----------------------------- Name: Alan Michael Snashall Title: Power of Attorney -9- <Page> INDEX TO EXHIBITS Exhibit Sequentially Number Numbered Page - ------ ------------- (a) (2) Form of Amendment to Deposit Agreement (e) Rule 466 Certification -10-