diff --git a/icu4c/source/test/intltest/callimts.cpp b/icu4c/source/test/intltest/callimts.cpp
index e40c0c67ab7..82ca84cdbb4 100644
--- a/icu4c/source/test/intltest/callimts.cpp
+++ b/icu4c/source/test/intltest/callimts.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/caltztst.h b/icu4c/source/test/intltest/caltztst.h
index f9367830947..60e8447d184 100644
--- a/icu4c/source/test/intltest/caltztst.h
+++ b/icu4c/source/test/intltest/caltztst.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/citrtest.cpp b/icu4c/source/test/intltest/citrtest.cpp
index 5a7e1049da0..065d5ece9fd 100644
--- a/icu4c/source/test/intltest/citrtest.cpp
+++ b/icu4c/source/test/intltest/citrtest.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2002, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  * Modification History:
  *
diff --git a/icu4c/source/test/intltest/cntabcol.cpp b/icu4c/source/test/intltest/cntabcol.cpp
index 63ca24217c4..49f254c21cd 100644
--- a/icu4c/source/test/intltest/cntabcol.cpp
+++ b/icu4c/source/test/intltest/cntabcol.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved. 
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/dcfmapts.cpp b/icu4c/source/test/intltest/dcfmapts.cpp
index 3fc9de4bc1d..8a798dace9d 100644
--- a/icu4c/source/test/intltest/dcfmapts.cpp
+++ b/icu4c/source/test/intltest/dcfmapts.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-1999, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/dtfmapts.cpp b/icu4c/source/test/intltest/dtfmapts.cpp
index 3e70df54db2..358ee21cdd3 100644
--- a/icu4c/source/test/intltest/dtfmapts.cpp
+++ b/icu4c/source/test/intltest/dtfmapts.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/dtfmrgts.h b/icu4c/source/test/intltest/dtfmrgts.h
index aba4739f3f1..79ed8ee3a36 100644
--- a/icu4c/source/test/intltest/dtfmrgts.h
+++ b/icu4c/source/test/intltest/dtfmrgts.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/icusvtst.cpp b/icu4c/source/test/intltest/icusvtst.cpp
index 19ab339ec6f..3166b5464ec 100644
--- a/icu4c/source/test/intltest/icusvtst.cpp
+++ b/icu4c/source/test/intltest/icusvtst.cpp
@@ -1,6 +1,6 @@
 /**
  *******************************************************************************
- * Copyright (C) 2001-2002, International Business Machines Corporation and    *
+ * Copyright (C) 2001-2003, International Business Machines Corporation and    *
  * others. All Rights Reserved.                                                *
  *******************************************************************************
  *
diff --git a/icu4c/source/test/intltest/icusvtst.h b/icu4c/source/test/intltest/icusvtst.h
index d02fa8f0602..855f2c0ea4c 100644
--- a/icu4c/source/test/intltest/icusvtst.h
+++ b/icu4c/source/test/intltest/icusvtst.h
@@ -1,6 +1,6 @@
 /**
  *******************************************************************************
- * Copyright (C) 2001-2002, International Business Machines Corporation and    *
+ * Copyright (C) 2001-2003, International Business Machines Corporation and    *
  * others. All Rights Reserved.                                                *
  *******************************************************************************
  *
diff --git a/icu4c/source/test/intltest/itrbnfrt.cpp b/icu4c/source/test/intltest/itrbnfrt.cpp
index 1c09d1fa058..ddc5e77bf5f 100644
--- a/icu4c/source/test/intltest/itrbnfrt.cpp
+++ b/icu4c/source/test/intltest/itrbnfrt.cpp
@@ -1,6 +1,6 @@
 /*
  *******************************************************************************
- * Copyright (C) 1996-2000, International Business Machines Corporation and    *
+ * Copyright (C) 1996-2003, International Business Machines Corporation and    *
  * others. All Rights Reserved.                                                *
  *******************************************************************************
  */
diff --git a/icu4c/source/test/intltest/miscdtfm.cpp b/icu4c/source/test/intltest/miscdtfm.cpp
index f7bd3842b14..53b6c91df37 100644
--- a/icu4c/source/test/intltest/miscdtfm.cpp
+++ b/icu4c/source/test/intltest/miscdtfm.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
  
diff --git a/icu4c/source/test/intltest/msfmrgts.cpp b/icu4c/source/test/intltest/msfmrgts.cpp
index f86a16330d6..848c3bcfee1 100644
--- a/icu4c/source/test/intltest/msfmrgts.cpp
+++ b/icu4c/source/test/intltest/msfmrgts.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
  
diff --git a/icu4c/source/test/intltest/nmfmtrt.h b/icu4c/source/test/intltest/nmfmtrt.h
index a804222e0a4..12eff9a29d8 100644
--- a/icu4c/source/test/intltest/nmfmtrt.h
+++ b/icu4c/source/test/intltest/nmfmtrt.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/numrgts.h b/icu4c/source/test/intltest/numrgts.h
index a9f865a6afe..74691384bee 100644
--- a/icu4c/source/test/intltest/numrgts.h
+++ b/icu4c/source/test/intltest/numrgts.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/sdtfmtts.cpp b/icu4c/source/test/intltest/sdtfmtts.cpp
index f687499d9bd..15817d5d181 100644
--- a/icu4c/source/test/intltest/sdtfmtts.cpp
+++ b/icu4c/source/test/intltest/sdtfmtts.cpp
@@ -1,7 +1,7 @@
 
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/strtest.h b/icu4c/source/test/intltest/strtest.h
index 4799a28b8e5..103f255a261 100644
--- a/icu4c/source/test/intltest/strtest.h
+++ b/icu4c/source/test/intltest/strtest.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 /*   file name:  strtest.h
diff --git a/icu4c/source/test/intltest/testdata.cpp b/icu4c/source/test/intltest/testdata.cpp
index 94499bd0762..3039604dae0 100644
--- a/icu4c/source/test/intltest/testdata.cpp
+++ b/icu4c/source/test/intltest/testdata.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 2002, International Business Machines Corporation and
+ * Copyright (c) 2002-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/transapi.h b/icu4c/source/test/intltest/transapi.h
index 928acee0108..11083145bee 100644
--- a/icu4c/source/test/intltest/transapi.h
+++ b/icu4c/source/test/intltest/transapi.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 2001, International Business Machines Corporation and
+ * Copyright (c) 2001-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 /************************************************************************
diff --git a/icu4c/source/test/intltest/tsdtfmsy.cpp b/icu4c/source/test/intltest/tsdtfmsy.cpp
index acd8c633dcd..fb974e36274 100644
--- a/icu4c/source/test/intltest/tsdtfmsy.cpp
+++ b/icu4c/source/test/intltest/tsdtfmsy.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/intltest/tztest.h b/icu4c/source/test/intltest/tztest.h
index e8ec671ab53..310a304b585 100644
--- a/icu4c/source/test/intltest/tztest.h
+++ b/icu4c/source/test/intltest/tztest.h
@@ -1,7 +1,7 @@
 
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2001, International Business Machines Corporation and
+ * Copyright (c) 1997-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
  
diff --git a/icu4c/source/test/intltest/ucaconf.h b/icu4c/source/test/intltest/ucaconf.h
index 511c1d3d148..7e3368cb6c6 100644
--- a/icu4c/source/test/intltest/ucaconf.h
+++ b/icu4c/source/test/intltest/ucaconf.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 2002, International Business Machines Corporation and
+ * Copyright (c) 2002-2003, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
diff --git a/icu4c/source/test/perf/charperf/Makefile.in b/icu4c/source/test/perf/charperf/Makefile.in
index 6a775d53eb2..dc73dd91751 100644
--- a/icu4c/source/test/perf/charperf/Makefile.in
+++ b/icu4c/source/test/perf/charperf/Makefile.in
@@ -1,5 +1,5 @@
 ## Makefile.in for ICU - test/charperf
-## Copyright (c) 2001, International Business Machines Corporation and
+## Copyright (c) 2001-2003, International Business Machines Corporation and
 ## others. All Rights Reserved.
 
 ## Source directory information
diff --git a/icu4c/source/test/perf/charperf/charperf.cpp b/icu4c/source/test/perf/charperf/charperf.cpp
index 4e1bd430cc5..bde84695473 100644
--- a/icu4c/source/test/perf/charperf/charperf.cpp
+++ b/icu4c/source/test/perf/charperf/charperf.cpp
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT:
- * Copyright (C) 2002 IBM, Inc.   All Rights Reserved.
+ * Copyright (C) 2002-2003 IBM, Inc.   All Rights Reserved.
  *
  ********************************************************************/
 /*****************************************************************************
diff --git a/icu4c/source/test/perf/charperf/charperf.h b/icu4c/source/test/perf/charperf/charperf.h
index 0a46e264e7d..e144d12b531 100644
--- a/icu4c/source/test/perf/charperf/charperf.h
+++ b/icu4c/source/test/perf/charperf/charperf.h
@@ -1,6 +1,6 @@
 /*
 **********************************************************************
-* Copyright (c) 2002, International Business Machines
+* Copyright (c) 2002-2003, International Business Machines
 * Corporation and others.  All Rights Reserved.
 **********************************************************************
 **********************************************************************
diff --git a/icu4c/source/test/perf/convperf/convperf_ansi.pl b/icu4c/source/test/perf/convperf/convperf_ansi.pl
index 41feae302a9..691a21f63fa 100755
--- a/icu4c/source/test/perf/convperf/convperf_ansi.pl
+++ b/icu4c/source/test/perf/convperf/convperf_ansi.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 #  ********************************************************************
 #  * COPYRIGHT:
-#  * Copyright (c) 2002, International Business Machines Corporation and
+#  * Copyright (c) 2002-2003, International Business Machines Corporation and
 #  * others. All Rights Reserved.
 #  ********************************************************************
 
diff --git a/icu4c/source/test/perf/convperf/convperf_iml.pl b/icu4c/source/test/perf/convperf/convperf_iml.pl
index ac403c9db9e..194a1cce549 100755
--- a/icu4c/source/test/perf/convperf/convperf_iml.pl
+++ b/icu4c/source/test/perf/convperf/convperf_iml.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 #  ********************************************************************
 #  * COPYRIGHT:
-#  * Copyright (c) 2002, International Business Machines Corporation and
+#  * Copyright (c) 2002-2003, International Business Machines Corporation and
 #  * others. All Rights Reserved.
 #  ********************************************************************
 
diff --git a/icu4c/source/test/testdata/te.txt b/icu4c/source/test/testdata/te.txt
index 76f0855dac5..6e8e790a5f0 100644
--- a/icu4c/source/test/testdata/te.txt
+++ b/icu4c/source/test/testdata/te.txt
@@ -1,6 +1,6 @@
 //*******************************************************************************
 //*
-//*   Copyright (C) 1998-2000, International Business Machines
+//*   Copyright (C) 1998-2003, International Business Machines
 //*   Corporation and others.  All Rights Reserved.
 //*
 //*******************************************************************************