<DOCUMENT>
<TYPE>EX-3.7
<SEQUENCE>8
<FILENAME>a2146609zex-3_7.txt
<DESCRIPTION>EXHIBIT 3.7
<TEXT>
<Page>

                                                                     Exhibit 3.7

[NOVA SCOTIA LOGO]


                          CERTIFICATE OF INCORPORATION
                                  Companies Act


REGISTRY NUMBER

   3090672


NAME OF COMPANY

   3090672 NOVA SCOTIA COMPANY


I hereby certify that the above-mentioned company was incorporated this date
under the Companies Act and that the liability of the members is unlimited.


  /s/ [ILLEGIBLE]                                              June 22, 2004
  -------------------------------------------              ---------------------
Agent of the Registrar of Joint Stock Companies            Date of Incorporation

</TEXT>
</DOCUMENT>