EXHIBIT 3.25 NOVA SCOTIA CERTIFICATE OF INCORPORATION Companies Act Registry Number 3038482 Name of Company 3038482 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. Karen Richard December 21, 1999 - ----------------------------------------- ------------------------- Deputy Registrar of Joint Stock Companies Date of Incorporation MEMORANDUM OF ASSOCIATION OF 3038482 NOVA SCOTIA COMPANY 1. The name of the Company in all its language forms is: 3038482 NOVA SCOTIA COMPANY 2. The Company shall have all the powers, capacity, rights and privileges of a natural person including the capacity, without the confirmation of the Supreme Court of Nova Scotia, or a Judge thereof to: (a) sell or dispose of its undertaking, or a substantial part thereof; (b) distribute any of its property in specie among its members; or (c) amalgamate with any company or other body of persons. 3. The liability of the members is unlimited. We, the undersigned, whose names and addresses are subscribed, are desirous of being formed into a company in pursuance of this Memorandum of Association, and we respectively agree to take the number and kind of shares in the capital stock of the Company written opposite our respective names. 2 DATED the 21st day of December, 1999. NAME AND ADDRESS NUMBER AND KIND OF SHARES OF SUBSCRIBER TAKEN BY SUBSCRIBER 3013447 Nova Scotia Limited Per: Judy A. Dudley Assistant-Secretary Suite 1100 one share without nominal or 1959 Upper Water St. par value Halifax NS Total number of shares taken: 1 Share Witness to the above signature: Nadine Hendsbee - ---------------------------------------- Name: Nadine Hendsbee Address: 1100-1959 Upper Water St. Halifax NS 3