EX-1 3 gl688752-ex1.txt JOINT FILING AGREEMENT SCHEDULE 13D ---------------------------- ------------------------- CUSIP No. 598709103 Page 19 of 20 ---------------------------- ------------------------- Exhibit 1 Joint Filing Agreement Pursuant to Rule 13d-1(k) The undersigned persons (the "Reporting Persons") hereby agree that a joint statement on this Schedule 13D, and any amendments thereto, is to be filed. Each of the Reporting Persons is responsible for the completeness and accuracy of the information concerning each of them contained therein, but none of the Reporting Persons is responsible for the completeness or accuracy of the information concerning any other Reporting Person. Date: March 22, 2004. GLENCORE FINANCE AG By: /s/ Steven N. Isaacs -------------------------------------- Name: Steven N. Isaacs Title: Director By: /s/ Barbara A. Wolfensberger -------------------------------------- Name: Barbara A. Wolfensberger Title: Director GLENCORE INTERNATIONAL AG By: /s/ Zbynek E. Zak -------------------------------------- Name: Zbynek E. Zak Title: Director By: /s/ Lotti Grenacher Hagmann -------------------------------------- Name: Lotti Grenacher Hagmann Title: Officer SCHEDULE 13D ---------------------------- ------------------------- CUSIP No. 598709103 Page 20 of 20 ---------------------------- ------------------------- GLENCORE HOLDING AG By: /s/ Willy R. Strothotte -------------------------------------- Name: Willy R. Strothotte Title: Chairman By: /s/ Ivan Glasenberg -------------------------------------- Name: Ivan Glasenberg Title: Director MIZUHO INTERNATIONAL PLC By: /s/ Sabah Zubaida -------------------------------------- Name: Sabah Zubaida Title: Managing Director MIZUHO SECURITIES CO., LTD. By: /s/ Nobuo Oya -------------------------------------- Name: Nobuo Oya Title: Managing Director