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(hereinafter called the “Borrower”)

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WHEREAS the Borrower and the Lender have entered into a credit agreement dated as of June 30, 2009, pursuant to which a credit facility was established in favour of the Borrower (the “Original Credit Agreement”);

AND WHEREAS the Original Credit Agreement has been amended pursuant to amending agreements dated November 22, 2011, February 1, 2012 and December 20, 2013 (as amended, the “Credit Agreement”);

AND WHEREAS the parties wish to amend the Credit Agreement;

NOW THEREFORE THIS AGREEMENT WITNESSES THAT in consideration of the covenants and agreements contained herein and for other good and valuable consideration, the parties hereto agree to amend the Credit Agreement as provided herein:

In this Fourth Amending Agreement (including the recitals) unless otherwise defined or the context otherwise requires, all capitalized terms shall have the respective meanings specified in the Credit Agreement (including as amended by this Fourth Amending Agreement).

This Fourth Amending Agreement is an amendment to the Credit Agreement. Unless the context of this Fourth Amending Agreement otherwise requires, the Credit Agreement and this Fourth Amending Agreement shall be read together and shall have effect as if the provisions of the Credit Agreement and this Fourth Amending Agreement were contained in one agreement.

In order to induce the Lender to enter into this Fourth Amending Agreement, the Borrower represents and warrants to the Lender as follows, which representations and warranties shall survive the execution and delivery hereof:

(b)     all necessary action, corporate or otherwise, has been taken to authorize the execution, delivery

and performance of this Fourth Amending Agreement by the Borrower. The Borrower

has duly executed and delivered this Fourth Amending Agreement. This Fourth Amending

Agreement is a legal, valid and binding obligation of the Borrower enforceable against it in

accordance with its terms, subject to laws of general application affecting creditors’ rights

and the discretion of the court in awarding equitable remedies;

(c)     as of the date hereof no Default or Event of Default exists other than as notified in writing by

the Borrower to the Lender prior to the date hereof; and

(d)     since the delivery of the Credit Agreement, no Material Adverse Effect has occurred.

This Fourth Amending Agreement shall not be effective until executed and delivered by the Borrower and the Lender.

The Borrower shall pay all reasonable fees and expenses incurred by the Lender in connection with the preparation, negotiation, completion, execution, delivery and review of this Fourth Amending Agreement and all other documents and instruments arising therefrom and/or executed in connection therewith.

The Credit Agreement, as changed, altered, amended or modified by this Fourth Amending Agreement, shall be and continue in full force and effect and is hereby confirmed and the rights and obligations of all parties thereunder shall not be affected or prejudiced in any manner except as specifically provided for herein. The Security previously delivered by the Borrower continues in full force and effect and is hereby confirmed.

This Fourth Amending Agreement may be executed in any number of separate counterparts and by facsimile or pdf copy, each of which shall be deemed an original and all of said counterparts taken together shall be deemed to constitute one and the same instrument.

This Fourth Amending Agreement shall be construed and interpreted in accordance with the laws of the Province of Ontario and the laws of Canada applicable therein and each of the parties hereto irrevocably attorns to the jurisdiction of the courts of the Province of Ontario.

IN WITNESS WHEREOF the parties hereto have executed this Fourth Amending Agreement.