diff --git a/icu4c/source/tools/genrb/genrbjar.pl b/icu4c/source/tools/genrb/genrbjar.pl
index 94d86cacee3..834bebbfc6f 100755
--- a/icu4c/source/tools/genrb/genrbjar.pl
+++ b/icu4c/source/tools/genrb/genrbjar.pl
@@ -133,7 +133,8 @@ cmd($cmd);
 # CollationElement_*.res files, leave those as they are.  Do a
 # "jar u" -- update the existing file.
 my $jarFile = "$ICU4J_ROOT/src/$pkg/ICULocaleData.jar";
-my $cmd = "jar uf $jarFile $pkg/*.class $pkg/*.bin $pkg/*.res $pkg/*.utf8";
+my $filesToBePackaged= "$pkg/*.class $pkg/*.col $pkg/*.brk $pkg/*.utf8";
+my $cmd = "jar uf $jarFile $fileToBePackaged";
 # Do jar command
 print "Directory: $javaRootDir\n";
 chdir($javaRootDir);
@@ -143,7 +144,7 @@ if(-e "$jarFile"){
    }
 }else{
    $jarFile ="$ICU_ROOT/source/data/locales/java/ICULocaleData.jar";
-   $cmd = "jar cvf $jarFile $pkg/*.class $pkg/*.bin $pkg/*.res $pkg/*.utf8";
+   $cmd = "jar cvf $jarFile $filesToBePackaged";
 }
 cmd($cmd); 
 
diff --git a/icu4c/source/tools/genrb/wrtjava.c b/icu4c/source/tools/genrb/wrtjava.c
index e6d7ff53756..e1b91353005 100644
--- a/icu4c/source/tools/genrb/wrtjava.c
+++ b/icu4c/source/tools/genrb/wrtjava.c
@@ -549,10 +549,10 @@ bin_write_java( struct SResource *res, UErrorCode *status) {
             FileStream* datFile = NULL;
             if(uprv_strcmp(srBundle->fKeys+res->fKey,"BreakDictionaryData")==0){
                 uprv_strcat(fileName,"BreakDictionaryData");
-                ext = ".bin";
+                ext = ".brk";
             }else{
                 uprv_strcat(fileName,"CollationElements");
-                ext=".res";
+                ext=".col";
             }
             if(uprv_strcmp(srBundle->fLocale,"root")!=0){
                 uprv_strcat(fileName,"_");