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                          Certification under Rule 466



                  The depositary, Deutsche Bank Trust Company Americas,
represents and certifies the following:

                  (1) That it previously had filed a registration statement on
         Form F-6 (Boots Group plc 333-102832) 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.


                                           By: DEUTSCHE BANK TRUST COMPANY
                                                    AMERICAS, Depositary

                                           By: /s/ William Fahey
                                              --------------------
                                               William Fahey
                                               Vice President