Certification under Rule 466
                          ----------------------------


                  The depositary, JPMorgan Chase Bank, represents and certifies
the following:

                  (1) That it previously had filed a registration statement on
Form F-6 (British Energy plc 333-11210) that the Commission declared effective,
with terms of deposit identical to the terms of deposit of this registration
statement.

                  (2) That its ability to designate the date and time of
effectiveness under Rule 466 has not been suspended.


                               JPMORGAN CHASE BANK, as Depositary

                               By /s/ Jordana Chutter
                                 --------------------
                               Name: Jordana Chutter
                               Title: Vice President