diff --git a/CHANGES b/CHANGES
index 64be2d5ab7136571110295a373eb05d760baa7e3..656c8c8c5844a6a89ba070cd1f6a62b87f7365d9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,11 @@
 
  Changes between 0.9.1c and 0.9.2
 
+  *) Fix Win32 symbol export lists for BIO functions: Added
+     BIO_get_ex_new_index, BIO_get_ex_num, BIO_get_ex_data and BIO_set_ex_data
+     to ms/libeay{16,32}.def.
+     [Ralf S. Engelschall]
+
   *) Second round of fixing the OpenSSL perl/ stuff. It now at least compiled
      fine under Unix and passes some trivial tests I've now added. But the
      whole stuff is horribly incomplete, so a README.1ST with a disclaimer was
diff --git a/ms/libeay16.def b/ms/libeay16.def
index 42366248f3a89524948212528d5dc06892f89ce5..407ba47ee29fcfc024fd0563be4261a955e60ed1 100644
--- a/ms/libeay16.def
+++ b/ms/libeay16.def
@@ -90,6 +90,9 @@ EXPORTS
     _BIO_free                           @66
     _BIO_free_all                       @67
     _BIO_get_accept_socket              @69
+    _BIO_get_ex_data                    @1157
+    _BIO_get_ex_new_index               @1158
+    _BIO_get_ex_num                     @1159
     _BIO_get_host_ip                    @71
     _BIO_get_port                       @72
     _BIO_get_retry_BIO                  @73
@@ -116,6 +119,7 @@ EXPORTS
     _BIO_s_null                         @96
     _BIO_s_socket                       @98
     _BIO_set                            @100
+    _BIO_set_ex_data                    @1160
     _BIO_set_cipher                     @101
     _BIO_set_tcp_ndelay                 @102
     _BIO_sock_cleanup                   @103
diff --git a/ms/libeay32.def b/ms/libeay32.def
index a86c38e0e072648025f7d34f620950e901c39b6d..cbf6c8c68fbc66c3b0ddf8527728bef4f3e79e5a 100644
--- a/ms/libeay32.def
+++ b/ms/libeay32.def
@@ -84,6 +84,9 @@ EXPORTS
     BIO_free                           @66
     BIO_free_all                       @67
     BIO_get_accept_socket              @69
+    BIO_get_ex_data                    @1157
+    BIO_get_ex_new_index               @1158
+    BIO_get_ex_num                     @1159
     BIO_get_host_ip                    @71
     BIO_get_port                       @72
     BIO_get_retry_BIO                  @73
@@ -114,6 +117,7 @@ EXPORTS
     BIO_s_socket                       @98
     BIO_set                            @100
     BIO_set_cipher                     @101
+    BIO_set_ex_data                    @1160
     BIO_set_tcp_ndelay                 @102
     BIO_sock_cleanup                   @103
     BIO_sock_error                     @104