Exhibit 21 INTERNATIONAL PAPER COMPANY SUBSIDIARIES AS OF DECEMBER 31, 2003 The following table lists the names of certain subsidiaries of International Paper Company. The table omits names of certain subsidiaries since the omitted subsidiaries, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of December 31, 2003. State or Jurisdiction of U.S. Subsidiaries Incorporation - ----------------- --------------- IP Pacific Timberlands, Inc. (Including subsidiaries) Delaware Federal Forestlands, Inc. (Including subsidiaries) Delaware The Branigar Organization, Inc. (Including subsidiaries) Illinois Non-U.S. Subsidiaries Carter Holt Harvey Limited (Including subsidiaries) New Zealand Weldwood of Canada Limited (Including subsidiaries) Canada International Paper Do Brasil Ltda. Brazil International Paper Investments (France) S.A.S. France (Including Subsidiaries)