EX 4.2 Subscription Rights Certificate


















This rights certificate will be void and without value if not used for subscription before 5:00 p.m., U.S. Eastern Time, at the office of Computershare Trust Company of Canada specified below, on [ ], unless such date is extended.
TO SUBSCRIBE
A shareholder or transferee of this rights certificate wishing to subscribe for Units must complete Form 1 and deliver this rights certificate together with payment in full of the subscription price to Computershare Trust Company of Canada at its office shown below prior to 5:00 p.m., U.S. Eastern Time, on [ ], unless such date is extended. To determine the number of whole Units which may be subscribed for, divide the number of rights appearing in the right hand corner appearing on the rights certificate by four. Only whole Units may be subscribed for.
OVER-SUBSCRIPTION PRIVILEGE
The holder may, by completing Form 2, subscribe for his proportionate part of the Units which are not subscribed for by the expiration of the rights, subject to any maximum number specified by the holder in Form 2. Payment in full of the subscription price of the maximum number of Additional Units so subscribed for must accompany this certificate when it is delivered to Computershare Trust Company of Canada.
TO SELL OR TRANSFER RIGHTS
Complete Form 3 and deliver this rights certificate in ample time for the transferee to use it before the expiration of the rights. IF FORM 3 IS PROPERLY COMPLETED, THE TRANSFEREE MAY USE IT FOR SUBSCRIPTION WITHOUT OBTAINING A NEW RIGHTS CERTIFICATE.
The signature of the rights certificate holder must correspond with the name set forth on the face of this rights certificate, in every particular, without any change whatsoever, and should be guaranteed as described below in the section titled "Signature Guarantee". If Form 3 is signed by a trustee, executor, administrator, curator, tutor, guardian, attorney, officer of a corporation, partnership, association or any person acting in a fiduciary or representative capacity, it should be accompanied by satisfactory evidence of authority to act.
TO DIVIDE OR COMBINE CERTIFICATES
Complete Form 4 and deliver this rights certificate to Computershare Trust Company of Canada at its office shown below in ample time for the new rights certificate(s) to be issued and used before the expiration of the rights. Rights certificates representing fractional rights will not be issued.
SUBSCRIBERS NOT RESIDENT IN CANADA OR THE UNITED STATES
BY HIS EXECUTION AND DELIVERY OF THIS RIGHTS CERTIFICATE, EACH SUBSCRIBER CERTIFIES TO THE COMPANY THAT HE IS A RESIDENT OF CANADA OR THE UNITED STATES OR IS OTHERWISE ENTITLED TO EXERCISE THE RIGHTS EVIDENCED HEREBY IN ACCORDANCE WITH THE TERMS AND CONDITIONS SET OUT IN THE RIGHTS OFFERING CIRCULAR AND THE REGISTRATION STATEMENT
OFFICE OF COMPUTERSHARE TRUST COMPANY OF CANADA
By Hand or Courier to:    By Mail to:
8th Floor    P.O. Box 7021
100 University Ave.    31 Adelaide St. E.
Toronto, Ontario M5J 2Y1    Toronto, Ontario M5C 3H2
Attention: Corporate Actions    Attention: Corporate Actions
Signature Guarantee:
The signature on this assignment must correspond with the name as written upon the face of the certificate(s), in every particular, without alteration or enlargement, or any change whatsoever and must be guaranteed by an Eligible Institution.  An “Eligible Institution” means a Canadian schedule 1 chartered bank, a member of the Securities Transfer Agent Medallion Program (STAMP), a member of the Stock Exchanges Medallion Program (SEMP) or a member of the New York Stock Exchange Inc. Medallion Signature Program (MSP) or an eligible guarantor institution (banks, stockbrokers, savings and loan associations and credit unions with membership in an approved signature guarantee medallion program), pursuant to Rule 17Ad-15 of the Securities Exchange Act of 1934, as amended.  
Signature guarantees are not accepted from Treasury Branches, Credit Unions or Caisses Populaires unless they are members of the Stamp Medallion Program.
Computershare's Privacy Notice:
In the course of providing services to you and our corporate clients, Computershare receives non-public personal information about you - your name, address, social insurance number, securities holdings, transactions, etc. We use this to administer your account, to better serve your and our clients' needs and for other lawful purposes. We have prepared a Privacy Code to tell you more about our information practices and how your privacy is protected. It is available at our website, computershare.com, or by writing us at 100 University Avenue, Toronto, Ontario, M5J 2Y1. *You are required to provide your SIN if you will receive income on these securities. We will use this number for income reporting. Computershare may also ask for your SIN as an identification-security measure if you call or write to request service on your account; however you may decline this usage.