diff --git a/icu4c/source/tools/ctestfw/ctest.c b/icu4c/source/tools/ctestfw/ctest.c
index febf08e5d3..f493be14a5 100644
--- a/icu4c/source/tools/ctestfw/ctest.c
+++ b/icu4c/source/tools/ctestfw/ctest.c
@@ -1,7 +1,7 @@
 /*
 *****************************************************************************************
 *
-*   Copyright (C) 1996-2003, International Business Machines
+*   Copyright (C) 1996-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *****************************************************************************************
diff --git a/icu4c/source/tools/gencmn/decmn.c b/icu4c/source/tools/gencmn/decmn.c
index 87eaaf5b09..49643c9a93 100644
--- a/icu4c/source/tools/gencmn/decmn.c
+++ b/icu4c/source/tools/gencmn/decmn.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 2000-2003, International Business Machines
+*   Copyright (C) 2000-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/genrb/genrb.c b/icu4c/source/tools/genrb/genrb.c
index 88de848d19..f6929bb7e1 100644
--- a/icu4c/source/tools/genrb/genrb.c
+++ b/icu4c/source/tools/genrb/genrb.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1998-2003, International Business Machines
+*   Copyright (C) 1998-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/genrb/ustr.c b/icu4c/source/tools/genrb/ustr.c
index da0e40e766..2a35db0b5c 100644
--- a/icu4c/source/tools/genrb/ustr.c
+++ b/icu4c/source/tools/genrb/ustr.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1998-2003, International Business Machines
+*   Copyright (C) 1998-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/genrb/util.c b/icu4c/source/tools/genrb/util.c
index 44ae246eb7..0f0bdf5838 100644
--- a/icu4c/source/tools/genrb/util.c
+++ b/icu4c/source/tools/genrb/util.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1998-2000, International Business Machines
+*   Copyright (C) 1998-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/genren/Makefile b/icu4c/source/tools/genren/Makefile
index a6442b4af6..a1f5925e10 100644
--- a/icu4c/source/tools/genren/Makefile
+++ b/icu4c/source/tools/genren/Makefile
@@ -1,6 +1,6 @@
 #******************************************************************************
 #
-#   Copyright (C) 2002-2003, International Business Machines
+#   Copyright (C) 2002-2004, International Business Machines
 #   Corporation and others.  All Rights Reserved.
 #
 #******************************************************************************
diff --git a/icu4c/source/tools/pkgdata/filemode.c b/icu4c/source/tools/pkgdata/filemode.c
index 441062984f..0bf94c77d3 100644
--- a/icu4c/source/tools/pkgdata/filemode.c
+++ b/icu4c/source/tools/pkgdata/filemode.c
@@ -1,6 +1,6 @@
 /******************************************************************************
 *
-*   Copyright (C) 2000-2001, International Business Machines
+*   Copyright (C) 2000-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/toolutil/toolutil.c b/icu4c/source/tools/toolutil/toolutil.c
index 16425f8014..8703445cc2 100644
--- a/icu4c/source/tools/toolutil/toolutil.c
+++ b/icu4c/source/tools/toolutil/toolutil.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1999-2003, International Business Machines
+*   Copyright (C) 1999-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/toolutil/unewdata.c b/icu4c/source/tools/toolutil/unewdata.c
index 8084cecdcd..5666c87fda 100644
--- a/icu4c/source/tools/toolutil/unewdata.c
+++ b/icu4c/source/tools/toolutil/unewdata.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 1999,2001, International Business Machines
+*   Copyright (C) 1999,2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/toolutil/uparse.c b/icu4c/source/tools/toolutil/uparse.c
index fd792b5251..0a49ecb9a7 100644
--- a/icu4c/source/tools/toolutil/uparse.c
+++ b/icu4c/source/tools/toolutil/uparse.c
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 2000-2003, International Business Machines
+*   Copyright (C) 2000-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/toolutil/uparse.h b/icu4c/source/tools/toolutil/uparse.h
index a74772f203..dc3e0b8cbb 100644
--- a/icu4c/source/tools/toolutil/uparse.h
+++ b/icu4c/source/tools/toolutil/uparse.h
@@ -1,7 +1,7 @@
 /*
 *******************************************************************************
 *
-*   Copyright (C) 2000-2003, International Business Machines
+*   Copyright (C) 2000-2004, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 *******************************************************************************
diff --git a/icu4c/source/tools/toolutil/uperf.h b/icu4c/source/tools/toolutil/uperf.h
index e794e961d5..939f873a63 100644
--- a/icu4c/source/tools/toolutil/uperf.h
+++ b/icu4c/source/tools/toolutil/uperf.h
@@ -1,6 +1,6 @@
 /*
 **********************************************************************
-* Copyright (c) 2002-2003, International Business Machines
+* Copyright (c) 2002-2004, International Business Machines
 * Corporation and others.  All Rights Reserved.
 **********************************************************************
 **********************************************************************