a)

the conversion of the Notes into (i) a new US$135 million secured term loan with a maturity of five years and carrying interest at a rate of 12% per annum, with such interest to be paid-in-kind during the first year of the loan with the possibility thereafter of partial payment-in-kind at the option of the Corporation or with the consent of the lenders, and (ii) newly-issued common shares of the Corporation representing approximately 95% of the outstanding number thereof after giving effect to such conversion (the "Recapitalization Transaction"); and

b)

the privatization of the Corporation, under which existing common shares of the Corporation not held by the Supporting Parties would be exchanged for a cash consideration in the amount of C$0.50 per share (the "Privatization Redemption"), subject to certain conditions, including the receipt of a discretionary exemption order from the relevant Canadian securities regulatory authorities to the effect that following completion of the Recapitalization Transaction and the Privatization Redemption, the Corporation would cease to be a reporting issuer under applicable Canadian securities laws.

(a)

he, she or it (i) is either the sole legal and beneficial owner of the Shares or has the sole investment and voting discretion with respect to the Shares, and (ii), as applicable, has the power and authority to bind the beneficial owner(s) of such Shares to the terms of this Agreement with respect to the interests of such beneficial owner(s) in such Shares;

(b)

he, she or it has the sole authority to vote or direct the voting of the Shares and has not deposited any of the Shares into a voting trust, or granted (or permitted to be granted) any proxy or power-of-attorney or attorney-in-fact, or entered into a voting agreement, understanding or arrangement, or granted (or permitted to be granted) any right or privilege (whether by law, pre-emptive or contractual) capable of becoming a voting trust or other agreement, with respect to the voting of the Shares, where such trust, grant, agreement, understanding or arrangement, right or privilege would restrict the ability of the undersigned to comply with his, her or its obligations under this letter agreement affecting the Shares or the ability of any holder thereof to exercise ownership rights with respect thereto;

(c)

the Shares are not subject to any liens, charges, encumbrances, obligations or other restrictions or rights of others that would reasonably be expected to adversely affect his, her or its ability to perform his, her or its obligations under this letter agreement;

(d)

if the undersigned is not an individual, it is duly organized, validly existing and in good standing under the laws of the jurisdiction of its organization, and the execution, delivery and, subject to the approval of the Plan by the Court, performance by the undersigned of its obligations under this letter agreement: (i) are within its corporate, partnership, limited partnership or similar power, as applicable; (ii) have been duly authorized by all necessary corporate, partnership, limited partnership or similar action, as applicable; and (iii) do not: (A) contravene its certificate of incorporation, articles, by- laws, partnership or membership agreement, limited partnership agreement or other constitutive documents, as applicable; (B) violate any law applicable to it or any of its assets; or (C) conflict with or result in the breach of, or constitute a default under, or require a consent under, any contract material to the undersigned;

(e)

this letter agreement constitutes a legal, valid and binding obligation of the undersigned enforceable against him, her or it in accordance with its terms, except as enforcement may be limited by bankruptcy, insolvency, reorganization, moratorium or other similar laws affecting creditors' rights generally or by general principles of equity, whether asserted in a proceeding in equity or at law; and

(f)

he, she or it is not, as part or in the context of the Recapitalization Transaction or the Privatization Redemption, receiving any "collateral benefit", as such term is defined in Multilateral Instrument 61-101 – Protection of Minority Shareholders in Special Transactions, nor is there any agreement, arrangement or understanding in this regard, and is not acting jointly or in concert (as such expression is understood under applicable Canadian securities laws) with any other Person with respect to the Recapitalization Transaction or the Privatization Redemption.

(a)

to vote or to cause to be voted all of the Shares (including any shares of the Corporation acquired after the date hereof), and any other securities of the Corporation held by the undersigned:

(i)

in favour of the approval, consent, ratification and adoption of the Recapitalization Transaction and the Plan, as the case may be (and any resolutions or actions required in furtherance of the foregoing which are, in each case, consistent in all material respects with the terms and conditions of this Agreement and the Plan) (the "Recapitalization Approval Resolutions");

(ii)

in favour of the approval, consent, ratification and adoption of the Privatization Redemption be (and any resolutions or actions required in furtherance of the foregoing which are, in each case, consistent in all material respects with the terms and conditions of this Agreement and the Privatization Redemption) (the "Privatization Redemption Approval Resolutions"); and

(iii)

against the approval, consent, ratification and adoption of any action or transaction that, if approved, consented to, ratified or adopted could reasonably be expected to delay, challenge, frustrate or hinder the consummation, consideration, acceptance or implementation of the Recapitalization Transaction, the Plan or the Privatization Redemption, as the case may be;

(b)

to deliver or to cause to be delivered to the Corporation duly executed proxies or voting information forms in favour of the Corporation, such proxies instructing the holder thereof to vote in favour of the Recapitalization Transaction, the Plan and the Privatization Redemption, as the case may be (and any resolutions or actions required in furtherance of the foregoing);

(c)

not to exercise any rights to dissent, rights of appraisal or rights to demand repurchase, to the extent available, in connection with the Privatization Redemption, the Plan or the Recapitalization;

(d)

(i) not to object to, impede or take any other action or omit to take any action that would interfere with, delay, challenge, frustrate or hinder the consideration, acceptance or implementation of the Plan, the Recapitalization Transaction or the Privatization Redemption; (ii) not to propose, initiate, solicit, file, support or vote (or cause to vote) any of the Shares or any other securities of the Corporation in favor of any alternative offer, matter, transaction, restructuring, liquidation, workout or plan of compromise or arrangement or reorganization of the Corporation or any of its subsidiaries that is inconsistent with the Plan, the Recapitalization Transaction or the Privatization Redemption (a "Competing Offer"); (iii) to oppose and vote (or cause to vote) all of the Shares and any other securities of the Corporation against any Competing Offer or proceeding under the CBCA (or, if applicable, the Chapter 15 Cases) or any other legislation in Canada or elsewhere in each case in respect of any Competing Offer; and (iv) not to take, or omit to take, any action, directly or indirectly, that is materially inconsistent with, or is intended or is reasonably likely to interfere with the consideration, acceptance or implementation of, the Plan, the Recapitalization Transaction or the Privatization Redemption;

(e)

not to, directly or indirectly, sell, assign, pledge, mortgage or hypothecate (except with respect to security generally applying to his, her or its investments which does not adversely affect the ability of the undersigned to perform his, her or its obligations under this letter agreement) or otherwise transfer any of the Shares or any other securities of the Corporation (or any rights or interest in respect thereof, including, but not limited to, the right to vote) held by the undersigned, without the prior written consent of the Corporation; and

(f)

not to act jointly or in concert with any other Person, including the Supporting Parties, or receive or have any agreement, arrangement or understanding to receive any collateral benefit, with respect to the Recapitalization Transaction or the Privatization Redemption.

(a)

the written agreement between the undersigned and the Corporation;

(b)

the termination of the Recapitalization Support Agreement in accordance with its terms; or

(c)

January 31, 2017.