SHARE PURCHASE AGREEMENT dated as of July 13, 2006 Between LORUS THERAPEUTICS INC. and HIGH TECH BETEILIGUNGEN GMBH & CO. KG

BETWEEN

LORUS THERAPEUTICS INC., a Canadian corporation (the “Company”)

AND

HIGH TECH BETEILIGUNGEN GMBH & CO. KG, a German limited partnership, herein represented by CONPHARM ANSTALT, a Liechtenstein corporation (the “Purchaser”)

(a)

the third Trading Day after all conditions precedent to (i) the Purchaser’s obligations to pay the Purchase Price, and (ii) the Company’s obligations to deliver the Purchased Shares as set out in Section 3.3 have been satisfied or waived; and

(b)

the Outside Date.

(a)

if no Shareholder Approval is required, September 30, 2006; and

(b)

if Shareholder Approval is required, 45 days after the Shareholder Approval is received.

1.2

Interpretation.

(a)

Headings. The division of this Agreement into Articles and Sections and the insertion of headings are for convenience of reference only and shall not affect the construction or interpretation of this Agreement.

(b)

Articles; Sections. The terms “this Agreement”, “hereof”, “hereunder” “hereto” and similar expressions refer to this Agreement and not to any particular Article, Section or other portion hereof and include any agreement supplemental hereto. Unless something in the subject matter or context is inconsistent therewith, references herein to Articles and Sections are to Articles and Sections of this Agreement.

(c)

Schedules. The Disclosure Letter and other Schedules referred to herein form an integral part of this Agreement.

(d)

Number; Gender. Words, including defined terms, importing the singular number only shall include the plural and vice versa, and words, including defined terms, importing gender include all genders.

(e)

Extended Meaning. The word “include(s)” means “include(s), without limitation”, and the word “including” means “including, but not limited to” or “including, without restricting the generality of the foregoing”, as the context requires.

(f)

Reference to Agreements and Enactments. Reference herein to any agreement, instrument, licence or other document shall be deemed to include reference to such agreement, instrument, licence or other document as the same may from time to time be amended, modified, supplemented or restated in accordance with the provisions of this Agreement; and reference herein to any enactment shall be deemed to include reference to such enactment as re-enacted, amended or extended from time to time and to any successor enactment.

(g)

Dollars or “$” . A reference herein to “CAN $”, “$” or the word “Dollars”, without more, shall be a reference to lawful money of Canada.

2.1

Filing of Qualification Prospectus.

(a)

Filing. The Company shall file the Preliminary Qualification Prospectus with the OSC as soon as practicable after the date of this Agreement and obtain a Receipt issued by the OSC. The Company shall, as soon as practicable after all regulatory deficiencies have been satisfied with respect to the Preliminary Qualification Prospectus file the Qualification Prospectus with the OSC and obtain a Receipt issued by the OSC in respect of the Qualification Prospectus.

(b)

Co-operation. The Company and the Purchaser shall cooperate in the preparation of the filing of the Preliminary Qualification Prospectus and the Qualification Prospectus and shall do all such other acts and things as may be reasonably necessary or desirable in order to file the Preliminary Qualification Prospectus and the Qualification Prospectus as soon as reasonably practicable.

2.2

Documents to be Delivered in Connection with Filing.

(a)

Preliminary Qualification Prospectus. Concurrently with or prior to the filing of the Preliminary Qualification Prospectus, the Company shall deliver to the Purchaser (i) a copy of the Preliminary Qualification Prospectus signed and certified; and (ii) a copy of any other document required to be filed by the Company under the laws of the Province of Ontario in compliance with Ontario Securities Laws.

(b)

Qualification Prospectus. Concurrently with or prior to the filing of the Qualification Prospectus, the Company shall deliver to the Purchaser (i) a copy of the Qualification Prospectus signed and certified; (ii) a copy of any other document required to be filed by the Company under the laws of the Province of Ontario in compliance with the Ontario Securities Laws; and (iii) a copy of the letter from each of the TSX and the AMEX advising the Company that approval of the conditional listing of the Purchased Shares has been granted by the TSX and the AMEX, subject to the satisfaction of certain usual conditions set out therein.

(c)

Supplementary Material. The Company shall deliver to the Purchaser duly signed copies of all amendments or supplements or any other supplemental documents to the Preliminary Qualification Prospectus or the Qualification Prospectus, as the case may be, that the Company prepares or that are required to be prepared by the Company under Ontario Securities Laws (collectively, the “Supplementary Material”).

(a)

the Company shall advise the Purchaser, promptly after receiving notice thereof, of the time when the Preliminary Qualification Prospectus, the Qualification Prospectus and any Supplementary Material has been filed and Receipts therefor have been obtained and shall provide evidence reasonably satisfactory to the Purchaser of each such filing and copies of such Receipts; and

(b)

the Company shall cause the Preliminary Qualification Prospectus, the Qualification Prospectus and the Supplementary Material to comply with the requirements of Ontario Securities Laws, to provide full, true and plain disclosure of all material facts relating to the Company and to the Purchased Shares as required by Ontario Securities Laws and to not contain any misrepresentation (as defined in Ontario Securities Laws).

3.2

Deliveries.

(a)

On the Closing Date, the Company shall deliver or cause to be delivered to the Purchaser the following:

(i)

legal opinions of Company Counsel, customary for transactions of this type;

(ii)

a share certificate or certificates representing the Purchased Shares registered in the name of the Purchaser; and

(iii)

an Officer’s Certificate certifying (A) that the conditions to Closing set out in Sections 3.3(b)(i), 3.3(b)(iv), 3.3(b)(v) and 3.3(b)(vi) are satisfied as of the relevant time, (B) the articles and by-laws of the Company, (C) incumbency particulars, and (D) all resolutions of the board of directors and, if necessary, shareholders approving the transactions contemplated by this Agreement.

(b)

On the Closing Date, the Purchaser shall deliver or cause to be delivered to the Company the following

(i)

the Purchase Price by wire transfer of immediately available funds to the account as specified in writing to the Company; and

(ii)

an Officer’s Certificate certifying that the conditions to Closing set out in Sections 3.3(a)(i) and 3.3(a)(ii) are satisfied as of the relevant time.

3.3

Closing Conditions.

(a)

The obligations of the Company hereunder in connection with the Closing are subject to the following conditions being met:

(i)

the truth and accuracy in all material respects (with the exception of any representations and warranties qualified by materiality, which shall be true and accurate in all respects) on the Closing Date of the representations and warranties of the Purchaser contained herein;

(ii)

all obligations, covenants and agreements of the Purchaser required to be performed at or prior to the Closing Date (including delivery by the Purchaser of the items set out in Section 3.2(b)) shall have been performed; and

(iii)

the delivery by the Purchaser of the items set out in Section 3.2(b)).

(b)

The obligations of the Purchaser hereunder in connection with the Closing are subject to the following conditions being met:

(i)

the truth and accuracy in all material respects (with the exception of any representations and warranties qualified by materiality, which shall be true and accurate in all respects) on the Closing Date of the representations and warranties of the Company contained herein (for the avoidance of doubt, if any of the representations and warranties of the Company contained herein refers to a date prior to, or a period of time preceding, the date of this Agreement, such representation and warranty shall remain true and accurate in respect of such reference date or period of time), and the delivery of an updated Disclosure Letter (the “Updated Disclosure Letter”) on the Closing Date revised to reflect changes in the operations or condition of the Company and its Subsidiaries between the date of this Agreement and the Closing Date and the representations and warranties in Section 4.1 shall be deemed to have been amended accordingly, provided that if the Updated Disclosure Letter discloses any fact, state of facts, event, circumstances or matter with respect to any representation and warranty that constitutes a Material Adverse Effect, then such representation and warranties shall be and shall be deemed to be not accurate on the Closing Date and the condition provided in this Section 3.3(b)(i) shall not be met or satisfied;

(ii)

a Receipt shall have been issued by the OSC for the Qualification Prospectus and such Receipt shall be effective;

(iii)

the execution and delivery by the Parties of the Registration Rights Agreement;

(iv)

all obligations, covenants and agreements of the Company required to be performed at or prior to the Closing Date (including delivery by the Purchaser of the items set out Section 3.2(a)) shall have been performed;

(v)

there shall have been no Material Adverse Effect with respect to the Company since the date of this Agreement;

(vi)

from the date of this Agreement to and including the Closing Date, trading in the Common Shares shall not have been suspended by any of the Canadian Securities Regulatory Authorities, the TSX or the AMEX (except for any suspension of trading of limited duration agreed to by the Company, which suspension shall be terminated prior to the Closing); and

(vii)

the delivery by the Company of the items set out in Section 3.2(a).

(a)

the Required Approvals shall have been obtained and be in full force and effect and shall not be subject to any stop-order or proceeding seeking a stop-order or revocation;

(b)

no Action or proceeding shall be pending or threatened by any person to enjoin, restrict or prohibit the sale and purchase of the Purchased Shares contemplated hereby; and

(c)

no provision of any Applicable Laws and no judgment, injunction, order or decree shall be in effect which restrains or enjoins or otherwise prohibits the transactions contemplated by this Agreement.

(a)

Subsidiaries. Each of the direct and indirect subsidiaries of the Company (each, a “Subsidiary”) are set out in Section 4.1(a) of the Disclosure Letter. The Company owns, directly or indirectly, all of the issued and outstanding shares or other equity interests in the capital of each Subsidiary free and clear of any Liens, and all the issued and outstanding shares in the capital of each Subsidiary are validly issued and are fully paid, non-assessable and free of pre-emptive and similar rights to subscribe for or purchase securities.

(b)

Organization and Qualification. The Company and each of the Subsidiaries is an entity duly incorporated or otherwise organized, validly existing and in good standing under the laws of the jurisdiction of its incorporation or organization (as applicable), with the requisite power and authority to own and use its Property and to carry on its business as currently conducted. Neither the Company nor any Subsidiary is in violation or default of any of the provisions of its respective certificate or articles of incorporation, by-laws or other organizational or constating documents. Each of the Company and the Subsidiaries is duly qualified to conduct business and is in good standing as a foreign corporation or other entity in each jurisdiction in which the nature of the business conducted or Property owned or leased by it makes such qualification necessary, except where the failure to be so qualified or in good standing, as the case may be, could not have or reasonably be expected to result in a Material Adverse Effect and, to the knowledge of the Company, no Proceeding has been instituted in any such jurisdiction revoking, limiting or curtailing or seeking to revoke, limit or curtail such power and authority or qualification.

(c)

Authorization; Enforcement. The Company has the requisite corporate power and authority to enter into and to consummate the transactions contemplated by each of the Transaction Documents and otherwise to carry out its obligations hereunder and thereunder. The execution and delivery of each of the Transaction Documents by the Company and the consummation by it of the transactions contemplated thereby have been duly authorized by all necessary action on the part of the Company and no further action is required by the Company, its board of directors or its shareholders, in connection therewith other than in connection with the Required Approvals. Each Transaction Document has been (or upon delivery shall have been) duly executed by the Company and, when delivered in accordance with the terms hereof and thereof, shall constitute the valid and binding obligation of the Company enforceable against the Company in accordance with its terms except (i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally and (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable remedies.

(d)

No Conflicts. The execution, delivery and performance of the Transaction Documents by the Company, the issuance and sale of the Purchased Shares and the consummation by the Company of the other transactions contemplated hereby and thereby do not and shall not (i) conflict with or violate any provision of the Company’s or any Subsidiary’s certificate or articles of incorporation, by-laws or other organizational or constating documents, or (ii), subject to the Required Approvals, conflict with, or constitute a default (or an event that with notice or lapse of time or both would become a default) under, result in the creation of any Lien upon any of the Property of the Company or any Subsidiary, or give to others any rights of termination, amendment, acceleration or cancellation (with or without notice, lapse of time or both) of, any agreement, credit facility, debt or other instrument (evidencing a Company or Subsidiary debt or otherwise) or other understanding to which the Company or any Subsidiary is a party or by which any Property of the Company or any Subsidiary is bound or affected, or (iii) subject to the Required Approvals, conflict with or result in a violation of any Applicable Laws to which the Company or a Subsidiary is subject, or by which any Property of the Company or a Subsidiary is bound or affected; except in the case of each of clauses (ii) and (iii), such as could not have or reasonably be expected to result in a Material Adverse Effect.

(e)

Filings, Consents and Approvals. The Company is not required to obtain any consent, waiver, authorization or order of, give any notice to, or make any filing or registration with, any Governmental Authority or other Person in connection with the execution, delivery and performance by the Company of the Transaction Documents, other than (i) filings required pursuant to Section 5.4, (ii) the filing of the Preliminary Qualification Prospectus and the Qualification Prospectus, (iii) application(s) to the AMEX and the TSX for the listing of the Purchased Shares for trading thereon in the time and manner required hereby and thereby, (iv) Shareholder Approval, if required, (v) any other required filings with one or more of the Canadian Securities Regulatory Authorities, (vi) any other required approvals of any Trading Market, and (vii) any notice to the Debentureholder if required (collectively, the “Required Approvals”).

(f)

Issuance of the Purchased Shares. The Purchased Shares, when issued and paid for in accordance with the terms and conditions of the applicable Transaction Documents, shall be duly authorized and validly issued, fully paid and non-assessable, free and clear of all Liens imposed by the Company.

(g)

Capitalization. The capitalization of the Company is as described in the Company’s most recent periodic report filed on SEDAR. The Company has not issued any securities other than pursuant to the Debentures, the exercise of employee stock options under the Stock Option Plans and pursuant to the conversion or exercise of outstanding Common Share Equivalents. No Person has any right of first refusal, pre-emptive right, right of participation, or any similar right to participate in the transactions contemplated by the Transaction Documents. Except as a result of the purchase and sale of the Purchased Shares, the Stock Option Plans or the Debentures, there are no outstanding options,

warrants, script rights to subscribe to, calls or commitments of any character whatsoever relating to, or securities, rights or obligations convertible into or exercisable or exchangeable for, or giving any Person any right to subscribe for or acquire, any Common Shares, or contracts, commitments, understandings or arrangements by which the Company or any Subsidiary is or may become bound to issue additional Common Shares or Common Share Equivalents. The issuance and sale of the Purchased Shares shall not obligate the Company to issue Common Shares or other securities to any Person (other than the Purchaser) and shall not result in a right of any holder of Company securities to adjust the exercise, conversion, exchange or reset price under such securities. All of the outstanding Common Shares are validly issued, fully paid and nonassessable, to the knowledge of the Company, have been issued in compliance with all Applicable Laws and, to the knowledge of the Company, none of such outstanding Common Shares was issued in violation of any pre-emptive rights or similar rights to subscribe for or purchase securities. Except for the Required Approvals, no further approval or authorization of any shareholder, the Board of Directors of the Company or others is required for the issuance and sale of the Purchased Shares. There are no shareholders agreements, voting agreements or other similar agreements with respect to the Company’s authorized capital to which the Company is a party or, to the knowledge of the Company, between or among any of the Company’s shareholders.

(h)

Continuous Reports; Financial Statements. The Company has filed or submitted all reports, financial statements, schedules, forms, statements and other documents required to be filed or submitted by it under the Securities Laws, for the two (2) years preceding the date of this Agreement (or such shorter period as the Company may have been required by the Securities Laws to file or submit such material) (the foregoing materials, including the exhibits thereto and documents incorporated by reference therein, being collectively referred to herein as the “Continuous Disclosure Reports”) on a timely basis or has received a valid extension of such time of filing or submission and has filed or submitted any such Continuous Disclosure Reports prior to the expiration of any such extension, except where a failure to do so could not have or reasonably be expected to have a Material Adverse Effect. As of their respective dates, the Continuous Disclosure Reports complied with the requirements of the Securities Laws, and none of the Continuous Disclosure Reports, when filed or submitted, contained any untrue statement of a material fact or omitted to state a material fact required to be stated therein or necessary in order to make the statements therein, in light of the circumstances under which they were made, not misleading. The financial statements of the Company included in the Continuous Disclosure Reports have been prepared in accordance with Canadian generally accepted accounting principles applied on a consistent basis during the periods involved (“GAAP”), except as may be otherwise specified in such financial statements or the notes thereto and except that unaudited financial statements may not contain all footnotes required by GAAP, and fairly present in all material respects the financial position of the Company and its consolidated subsidiaries as of and for the dates thereof and the results of operations and cash flows for the periods then

ended, subject, in the case of unaudited statements, to normal, immaterial, year-end audit adjustments.

(i)

Material Changes. Since the date of the latest audited financial statements included within the Continuous Disclosure Reports and except as specifically disclosed in the Continuous Disclosure Reports, (i) there has been no event, occurrence or development that has had or that could reasonably be expected to result in a Material Adverse Effect, (ii) the Company has not incurred any liabilities (contingent or otherwise) other than (A) trade payables and accrued expenses incurred in the ordinary course of business consistent with past practice and (B) liabilities not required to be reflected in the Company’s financial statements pursuant to GAAP or required to be disclosed in filings made or required to be made pursuant to the Securities Laws, (iii) the Company has not altered its method of accounting except as required by GAAP, (iv) the Company has not declared or made any dividend or distribution of cash or other Property to its shareholders or purchased, redeemed or made any agreements to purchase or redeem any of its Common Shares and (v) the Company has not issued any equity securities to any officer, director or Affiliate, except pursuant to the Stock Option Plans or the Share Purchase Plan. The Company does not have pending before any of the Canadian Securities Regulatory Authorities any confidential material change report.

(j)

Litigation. There is no action, suit, inquiry, notice of violation, proceeding or investigation pending or, to the knowledge of the Company, threatened or contemplated (including by any of the Canadian Securities Regulatory Authorities) against or affecting the Company, any Subsidiary or any of their respective Property or, to the knowledge of the Company, any current officer or director or former officer or director of the Company before or by any Governmental Authority (collectively, an “Action”) which (i) adversely affects or challenges the legality, validity or enforceability of any of the Transaction Documents or the Purchased Shares or (ii) could, if there were an unfavourable decision, have or reasonably be expected to result in a Material Adverse Effect. Neither the Company nor any Subsidiary, nor, to the knowledge of the Company, any director or officer thereof, is the subject of any Action involving a claim of violation of or liability under the Applicable Laws or a claim of breach of fiduciary duty. No stop order or other order suspending the trading in securities of the Company is outstanding.

(k)

Labour Relations. No labour dispute exists or, to the knowledge of the Company, is imminent with respect to any of the employees of the Company which could reasonably be expected to result in a Material Adverse Effect.

(l)

Compliance. To the knowledge of the Company, neither the Company nor any Subsidiary (i) is in default under or in violation of (and no event has occurred that has not been waived that, with notice or lapse of time or both, would result in a default by the Company or any Subsidiary under), nor has the Company or any Subsidiary received notice of a claim that it is in default under or that it is in

violation of, any indenture, loan or credit agreement or any other agreement or instrument to which it is a party or by which it or any of its Property is bound (whether or not such default or violation has been waived), (ii) is in violation of any order of any Governmental Authority, or (iii) is or has been in violation of any Applicable Law, except in each case as could not have a Material Adverse Effect.

(m)

Regulatory Permits. The Company and the Subsidiaries possess all certificates, authorizations and permits issued by the appropriate Governmental Authorities necessary to conduct their respective businesses as described in the Continuous Disclosure Reports, except where the failure to possess such permits could not have or reasonably be expected to result in a Material Adverse Effect (“Material Permits ”), and neither the Company nor any Subsidiary has received any notice of proceedings relating to the revocation or modification of any Material Permit.

(n)

Title to Property. The Company and the Subsidiaries do not own real property. Subject to the provisions of Section 4.1(o), the Company and the Subsidiaries have good and marketable title in all personal property (tangible or intangible) owned by them that is material to the business of the Company and the Subsidiaries, in each case free and clear of all Liens, except for Liens as do not materially affect the value of such property and do not materially interfere with the use made and proposed to be made of such property by the Company and the Subsidiaries and Liens for the payment of federal, provincial, state or other taxes, the payment of which is neither delinquent nor subject to penalties. Any real property (including facilities) held under lease by the Company and the Subsidiaries are held by them under valid, subsisting and enforceable leases of which the Company and the Subsidiaries are in compliance, except as would not have a Material Adverse Effect.

(o)

Intellectual Property. The Company and the Subsidiaries have title to, or have rights to use, all patents, patent applications, trademarks, trademark applications, service marks, trade names, copyrights, licenses and other similar rights necessary or material for use (as determined by the Company, acting commercially reasonably) in connection with their respective businesses as currently conducted and anticipated to be conducted, as described in the Continuous Disclosure Reports and except where the failure to so have could have a Material Adverse Effect (collectively, the “Intellectual Property Rights”). Neither the Company nor any Subsidiary has received a written notice that the Intellectual Property Rights used by the Company or any Subsidiary violates or infringes upon the rights of any Person. To the knowledge of the Company: (i) all such Intellectual Property Rights are enforceable, and (ii) there is no existing infringement by another Person of any of the Intellectual Property Rights.

(p)

Insurance. The Company and the Subsidiaries are insured by insurers of recognized financial responsibility against such losses and risks and in such amounts as are prudent and customary in the businesses in which the Company and the Subsidiaries are engaged. Neither the Company nor any Subsidiary has

any reason to believe that it shall not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business without a significant increase in cost.

(q)

Transactions With Affiliates and Employees. Except as set out in the Continuous Disclosure Reports, none of the current officers or directors of the Company and, to the knowledge of the Company, none of the employees of the Company is a party to any transaction with the Company or any Subsidiary (other than for services as employees, officers and directors), including any contract, agreement or other arrangement providing for the furnishing of services to or by, providing for leasing, rental or licensing to or from, or otherwise requiring payments to or from any officer, director or such employee or, to the knowledge of the Company, any entity in which any officer, director, or any such employee has a substantial interest or is an officer, director, trustee or partner, other than (i) for payment of salary or consulting fees for services rendered, (ii) reimbursement for expenses incurred on behalf of the Company and (iii) for other employee benefits, including the Share Purchase Plan and stock option agreements under the Stock Option Plans.

(r)

Securities Laws; Internal Accounting Controls. The Company is in material compliance with all provisions of the Securities Laws which are applicable to it. The Company and the Subsidiaries maintain a system of internal accounting controls as required by MI 52-109. The Company has established disclosure controls and procedures as required by MI 52-109 for the Company and designed such disclosure controls and procedures to ensure that material information relating to the Company, including its Subsidiaries, is made known to the certifying officers by others within those entities, particularly during the period in which the Company’s most recently filed periodic report under the Securities Laws, as the case may be, is being prepared. The Company’s certifying officers have evaluated the effectiveness of the Company’s controls and procedures as of the date prior to the filing date of the most recently filed periodic report under the Securities Laws (such date, the “Evaluation Date”). The Company presented in its most recently filed periodic report under the Securities Laws the conclusions of the certifying officers about the effectiveness of the disclosure controls and procedures based on their evaluations as of the Evaluation Date to the extent required by MI 52-109. Since the Evaluation Date, except as disclosed in the Continuous Disclosure Reports, there have been no significant changes in the Company’s internal disclosure controls and procedures or its internal control over financial reporting (as such terms are defined in Section 1.1 of MI 52-109) or, to the Company’s knowledge, in other factors that could significantly affect the Company’s internal disclosure controls and procedures or its internal control over financial reporting. To the extent any requirements applicable to the Company under the ▇▇▇▇▇▇▇▇-▇▇▇▇▇ Act of 2002, and the rules and regulations promulgated by the SEC pursuant to such Act, differ from the foregoing, the Company is in compliance with all such requirements, except as would not have a Material Adverse Effect.

(s)

Certain Fees. No brokerage or finder’s fees or commissions are or shall be payable by the Company to any broker, financial advisor or consultant, finder, placement agent, investment banker, bank or other Person with respect to the transactions contemplated by the Transaction Documents.

(t)

Private Offering and Sale. Assuming the accuracy of the Purchaser’s representations and warranties set out in Section 4.2, no registration under the United States Securities Act is required for the offer and sale of the Purchased Shares by the Company to the Purchaser as contemplated hereby.

(u)

Investment Company: The Company is not, and immediately after consummation of the transactions contemplated by the Transaction Documents, shall not be, registered or required to be registered as an “investment company” under the U.S. Investment Company Act of 1940, as amended.

(v)

Listing and Maintenance Requirements. The Common Shares are listed on the TSX and the AMEX, and the Company has taken no action designed to, or which to its knowledge is likely to have the effect of, terminating the listing of the Common Shares on the TSX or the AMEX nor has the Company received any notification that the TSX or the AMEX is contemplating terminating such listing. The Company has not, in the 12 months preceding the date of this Agreement, received notice from any Trading Market on which the Common Shares are or have been listed or quoted to the effect that the Company is not in compliance with the listing or maintenance requirements of such Trading Market, except as would not have a Material Adverse Effect. The Company is, and has no reason to believe that it shall not in the foreseeable future continue to be, in compliance with the listing and maintenance requirements of the TSX and the AMEX.

(w)

Disclosure. The Disclosure Letter to this Agreement and the representations and warranties made herein are true and correct with respect to the statements made therein and do not contain any untrue statement of a material fact or omit to state any material fact necessary in order to make the statements made therein, in light of the circumstances under which they were made, not misleading.

(x)

Solvency. The Continuous Disclosure Reports set out as of the dates thereof all outstanding secured and unsecured Indebtedness of the Company or any Subsidiary, or for which the Company or any Subsidiary has commitments. For the purposes of this Agreement, “Indebtedness” shall mean (a) any liabilities for borrowed money or amounts owed in excess of CAN $50,000 (other than trade accounts payable incurred in the ordinary course of business), (b) all guaranties, endorsements and other contingent obligations in respect of Indebtedness of others, whether or not the same are or should be reflected in the Company’s balance sheet (or the notes thereto), except obligations in respect of indemnification, guaranties by endorsement of negotiable instruments for deposit or collection or similar transactions in the ordinary course of business; and (c) the present value of any lease payments in excess of CAN $50,000 due under leases required to be capitalized in accordance with GAAP. Neither the Company nor

any Subsidiary is in default with respect to any Indebtedness, except as would not have a Material Adverse Effect. Based on the current understanding of the Company of funding alternatives available to it, as well as its ability to make operational decisions to control its “burn rate” as needed, the Company does not expect to become insolvent within the 12-month period commencing from the date of this Agreement. The Company shall not pursue any equity financing from the date of this Agreement until the earlier of the Closing Date and September 30, 2006.

(y)

Tax Status. Except for matters that would not, individually or in the aggregate, have or reasonably be expected to result in a Material Adverse Effect, the Company and each Subsidiary has filed all necessary federal, provincial, state and foreign income and franchise tax returns and has paid or accrued all taxes shown as due thereon, and the Company has no knowledge of a tax deficiency which has been asserted or threatened against the Company or any Subsidiary.

(z)

Foreign Corrupt Practices. Neither the Company, nor to the knowledge of the Company, any agent or other Person acting on behalf of the Company, has (i) directly or indirectly, used any funds for unlawful contributions, gifts, entertainment or other unlawful expenses related to foreign or domestic political activity, (ii) made any unlawful payment to foreign or domestic government officials or employees or to any foreign or domestic political parties or campaigns from corporate funds, (iii) failed to disclose fully any contribution made by the Company (or made by any person acting on its behalf of which the Company is aware) which is in violation of Applicable Laws, or (iv) violated in any respect any provision of the United States Foreign Corrupt Practices Act of 1977, as amended.

(aa)

Accountants. The Company’s accountants are set out on Section 4.1(aa) of the Disclosure Letter. To the knowledge of the Company, such accountants are independent accountants as may be required by the Canada Business Corporations Act and the Securities Laws.

(bb)

Regulation S; Directed Selling Efforts. (i) None of the Company, its Subsidiaries or any persons acting on its or their behalf has engaged in any directed selling effort (within the meaning of Regulation S) with respect to the Purchased Shares; (ii) none of the Company, its Subsidiaries or any Person acting on its or their behalf has offered to sell any of the Purchased Shares by means of any form of general solicitation or general advertising (as those terms are used in Regulation D of the United States Securities Act) or in any manner involving a public offering within the meaning of Section 4(2) of the United States Securities Act; and (iii) it is a “foreign issuer” within the meaning of Regulation S and reasonably believes that there is no “substantial U.S. market interest” in the Purchased Shares of the Corporation (as such term is defined under Regulation S).

(cc)

Reporting Issuer Status. The Company is a “reporting issuer” (or equivalent concept thereof) in each province of Canada that has the concept. The Company

is eligible at the date of this Agreement (i) to file a prospectus in Canada in the form of a short form prospectus pursuant to NI 44-101 and (ii) to file under the United States Securities Act a registration statement on Form F-3 for purposes of registering securities to be offered and sold for the account of any person other than the issuer, and the Company, in each case, is not engaged in or contemplating any act or transaction or series of acts or transactions the consummation of which would result in the Company ceasing to be eligible to file such a short form prospectus or Form F-3. The Company is a “foreign private issuer” under United States Securities Laws.

(a)

Organization; Authority. The Purchaser is an entity duly organized, validly existing and in good standing under the laws of the jurisdiction of its organization with full right, corporate or partnership power and authority to enter into and to consummate the transactions contemplated by the Transaction Documents and otherwise to carry out its obligations hereunder and thereunder. The execution, delivery and performance by the Purchaser of the transactions contemplated by this Agreement have been duly authorized by all necessary corporate or similar action on the part of the Purchaser. Each Transaction Document to which it is a party has been duly executed by the Purchaser, and when delivered by the Purchaser in accordance with the terms hereof, shall constitute the valid and legally binding obligation of the Purchaser, enforceable against it in accordance with its terms, except (i) as limited by general equitable principles and applicable bankruptcy, insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable remedies and (iii) insofar as indemnification and contribution provisions may be limited by Applicable Laws.

(b)

No Conflicts. Neither the entering into nor the delivery of this Agreement nor the completion of the transactions contemplated hereby by the Purchaser shall result in a violation of: (i) any of the provisions of the constating documents or by-laws of the Purchaser; (ii) any agreement or other instrument to which the Purchaser is a party or by which the Purchaser is bound; or (iii) any Applicable Laws.

(c)

No Common Shares. The Purchaser does not own, beneficially or otherwise, any Common Shares or Common Share Equivalents.

(d)

Experience of Purchaser. The Purchaser has such knowledge, sophistication and experience in business and financial matters so as to be capable of evaluating the merits and risks of the prospective investment in the Purchased Shares, and has so evaluated the merits and risks of such investment. The Purchaser is able to bear the economic risk of an investment in the Purchased Shares and, at the present time, is able to afford a complete loss of such investment.

(e)

General Solicitation. The Purchaser is not purchasing the Purchased Shares as a result of any advertisement, article, notice or other communication regarding the Company published in any newspaper, magazine or similar media, including the internet, or broadcast over television or radio or presented at any seminar or meeting whose attendees had been invited by general solicitation or general advertising.

(f)

United States Securities Laws. The Purchaser acknowledges that it was not offered the Purchased Shares in the United States (as defined in the United States Securities Act), did not execute this Agreement in the United States and was not in the United States at the time the buy order for the Purchased Shares was made.