(iv)                               “ Commission ” means the Securities and Exchange Commission.

(v)                                  “ Exchange Act ” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission thereunder, or any similar successor statute.

(vi)                               “ Free Writing Prospectus ” means a free writing prospectus (as such term is defined in Rule 405 under the Securities Act) relating to Registrable Securities.

(vii)                            “ Investor Warrant ” means the warrant granted by the Company to the Investor dated March 28, 2006.

(viii)                         “ Investor ” means the Investor and any permitted transferee or assignee of Registrable Securities who agrees to become bound by all of the terms and provisions of this Agreement.

(ix)                                 “ Person ” means any individual, partnership, corporation, limited liability company, joint stock company, association, trust, unincorporated organization, or a government agency or political subdivision thereof.

(x)                                    “ Prospectus ” means the prospectus (including any preliminary prospectus and/or any final prospectus filed pursuant to Rule 424(b) under the Securities Act and any prospectus that discloses information previously omitted from a prospectus filed as part of an effective registration statement in reliance on Rule 430A, Rule 430B or Rule 430C under the Securities Act) included in a Registration Statement, as amended or supplemented by any prospectus supplement or any Issuer Free Writing Prospectus (as defined in Rule 433(h) under the Securities Act) with respect to the terms of the offering or any portion of the Registrable Securities covered by such Registration Statement and by all other amendments and supplements to such prospectus, including all material incorporated by reference in such prospectus and all documents filed after the date of such prospectus by the Company under the Exchange Act and incorporated by reference therein.

(xi)                                 “ Public Offering ” means an offer registered with the Commission and the appropriate state securities commissions by the Company of its Common Shares and made pursuant to the Securities Act.

(xii)                              “ Registrable Securities ” means (i) the Common Shares purchased pursuant to the Subscription Agreement, (ii) the Common Shares issuable upon exercise of the Investor Warrant, and (iii) any shares or other securities issued in respect of such Registrable Securities by reason of or in connection with any share dividend, share distribution, share split, purchase in any rights offering or in connection with any exchange for or replacement of such Registrable Securities or any combination of shares, recapitalization, amalgamation, merger or consolidation, any other equity securities issued in respect of Registrable Securities pursuant to any other pro rata distribution with respect to the Common Shares; provided , however , that a Common Share shall cease to

2

be a Registrable Security for purposes of this Agreement when it no longer is a Restricted Security.

(xiii)                           “ Registration Expenses ” means any and all expenses incident to the performance of or compliance with this Agreement, including, without limitation: (i) all Commission, securities exchange, NASD registration, listing, inclusion and filing fees, (ii) all fees and expenses incurred in connection with compliance with international, federal or state securities or blue sky laws (including, without limitation, any registration, listing and filing fees and reasonable fees and disbursements of counsel in connection with blue sky qualification of any of the Registrable Securities and the preparation of a blue sky memorandum and compliance with the rules of the NASD), (iii) all expenses in preparing or assisting in preparing, word processing, duplicating, printing, delivering and distributing any Registration Statement, any Prospectus, any amendments or supplements thereto, any underwriting agreements, securities sales agreements, certificates and any other documents relating to the performance under and compliance with this Agreement, (iv) all fees and expenses incurred in connection with the listing or inclusion of any of the Registrable Securities on any securities exchange or The Nasdaq Stock Market pursuant to Section 3(h) of this Agreement, (v) the fees and disbursements of counsel for the Company and of the independent public accountants of the Company (including, without limitation, the expenses of any special audit and “cold comfort” letters required by or incident to such performance), and (vi) any fees and disbursements customarily paid in issues and sales of securities (including the fees and expenses of any experts retained by the Company in connection with any Registration Statement); provided, however , that Registration Expenses shall exclude brokers’ or underwriters’ discounts and commissions, if any, relating to the sale or disposition of Registrable Securities by the Investor.

(xiv)                          “ Registration Statement ” means any registration statement of the Company, which covers any of the Registrable Securities pursuant to the provisions of this Agreement, including the Prospectus, amendments and supplements to such registration statement or Prospectus, including pre- and post-effective amendments, all exhibits thereto, and all material incorporated by reference or deemed to be incorporated by reference, if any, in such registration statement.

(xv)                             “ Restricted Security ” means any Common Share except any that (i) has been registered pursuant to an effective registration statement under the Securities Act and sold in a manner contemplated by the prospectus included in such registration statement, (ii) has been transferred by the Investor in compliance with the resale provisions of Rule 144 under the Securities Act (or any successor provision thereto) or is transferable by the Investor pursuant to paragraph (k) of Rule 144 under the Securities Act (or any successor provision thereto), or (iii) otherwise has been transferred by the Investor and a new certificate representing a Common Share not subject to transfer restrictions under the Securities Act has been delivered by or on behalf of the Company.

(xvi)                          “ Securities Act ” means the Securities Act of 1933, as amended, and the rules and regulations of the Commission thereunder, or any similar successor statute.

3

(xvii)                       “ Shelf S-1 Resale Registration Statement ” means a shelf registration statement on Form S-1 to be filed by the Company within 90 days after the Closing Date, as described in the Offering Memorandum of the Company dated March 27, 2006.

(xviii)                    “ Underwritten Offering ” means a sale of securities of the Company to an underwriter or underwriters for reoffering to the public.

2.                                        Registration . (a)  Demand Registration Rights.

(i)                                      At any time after the Shelf S-1 Resale Registration Statement has been withdrawn or has ceased to be effective, or if the Shelf S-1 Resale Registration Statement has not been filed within 150 days after the Closing Date, then upon the receipt by the Company of the written request of the Investor, and in no event later than 60 days after the receipt of such request (but subject to any applicable Blackout Periods), the Company shall prepare and file with the Commission (the “ Filing Deadline ”) a Registration Statement under the Securities Act or Form S-3 (or such other form as may be available for use by the Company) relating to the offer and sale of the Registrable Securities by the Investor and will promptly take all actions that are necessary or advisable in connection with such registration, including without limitation, providing written responses to any comments made by the Commission regarding such registration statement and filing any necessary pre-effective amendments and all necessary exhibits thereto, and will use its commercially reasonable efforts to cause such Registration Statement to be declared effective by the Commission as soon as possible after the initial filing thereof. The Company will, subject to any applicable Blackout Periods, use its commercially reasonable efforts to keep such Registration Statement effective for the period beginning on the date such Registration Statement becomes effective (the “ Effectiveness Date ”) and terminating on the earlier of (x) two years from the Effectiveness Date and (y) the date upon which all Registrable Securities then held by the Investor either (i) may be resold without restriction of any kind and without need for such Registration Statement to be effective or (ii) have been disposed of pursuant to transactions contemplated by the Registration Statement. The Company’s obligation to file a Registration Statement under this Section 2(a) shall terminate on the date upon which all Registrable Securities then held by the Investor either (i) may be resold without restriction of any kind and without need for a Registration Statement to be effective or (ii) have been disposed of pursuant to transactions contemplated by the Registration Statement.

(ii)                                   If a registration pursuant to this Section 2(a) involves a Public Offering that is an Underwritten Offering, the Company and each other selling security holder participating in such Public Offering shall agree to sell any Common Shares to be sold by them to the underwriters on the same terms as apply to the Common Shares to be sold by the Investor. If the managing underwriter thereof advises the Company and the Investor that, in its view, the number of Common Shares that the Company and the Investor and other selling security holders (if any) intend to include in such registration exceeds the largest number of Common Shares that can be sold without having an adverse effect on such Public Offering, including with respect to the price at which such shares can be sold (the “ Maximum Offering Size ”), the Company will include in such registration only that

4

number of Common Shares which does not exceed the Maximum Offering Size, in the following order of priorities:  (1) first, all Registrable Securities of the Investor and (2) second, the securities proposed to be registered by the Company and by other holders of securities entitled to participate in the registration, drawn from them pro-rata based on the number of shares each has requested to be included in such registration.

(iii)                                The Company shall be required to register the Registrable Securities not more than two (2) times pursuant to this Section 2(a).

(iv)                               At any time before a Registration Statement requested by the Investor pursuant to this Section 2(a) has become effective, the Investor may withdraw its request by written notice to the Company and upon receipt of such notice the Company shall, at its option, either withdraw the Registration Statement (if any) that it previously filed in connection with such request or amend such Registration Statement to remove any Registrable Securities included therein at the Investor’s request and in either case shall be relieved of all obligations under this Section 2(a) with respect to such request; provided that if the Investor reimburses the Company for all of the Company’s costs and expenses incurred in complying with such request through the time the Company receives notice of the Investor’s withdrawal of such request, such request shall not count as a request to register Registrable Securities for purposes of Section 2(a)(iii).

(b)                                  Piggyback Registration Rights . (i)  If the Company proposes to register any of its Common Shares or any other Common Shares of the Company under the Securities Act (other than a registration on Form S-8 or S-4 or any successor or similar forms), whether or not for sale for its own account, it will at such time, give prompt written notice at least 20 calendar days prior to the anticipated filing date of the registration statement relating to such registration to the Investor, which notice shall set forth such Investor’s rights under this Section 2(b) and shall offer the Investor the opportunity to include in such registration statement such number of Registrable Securities as the Investor may request. Upon the written request of the Investor made within 15 calendar days of the notice from the Company (which request shall specify the number of Registrable Securities such Investor seeks to register), the Company will use commercially reasonable efforts to effect the registration under the Securities Act of all Registrable Securities that the Company has been so requested to register by the Investor, to the extent requisite to permit the disposition of the Registrable Securities to be so registered; provided , however , that (A) if such registration involves an underwritten Public Offering, the Investor must sell its Registrable Securities to the underwriters on the same terms and conditions as apply to the Company or other selling security holders, (B) if such registration does not involve an underwritten Public Offering, the Investor must sell its Registrable Securities in accordance with the plan of distribution set forth on Exhibit A and (C) if, at any time after giving written notice of its intention to register any Registrable Securities pursuant to this Section 2(b) and prior to the effective date of the Registration Statement filed in connection with such registration, the Company shall determine for any reason not to register such Registrable Securities, the Company shall give written notice to the Investor and, thereupon, shall be relieved of its obligation to register any Registrable Securities in connection with such registration.

5

(ii)                                   If a registration pursuant to this Section 2(b) involves an Underwritten Offering and the managing underwriter thereof advises the Company that, in its view, the number of Common Shares that the Company and the Investor and other selling security holders (if any) intend to include in such registration exceeds the Maximum Offering Size, the Company will include in such registration only that number of Common Shares which does not exceed the Maximum Offering Size, in the following order of priorities:  (1) first, all securities the Company proposes to sell for its own account and (2) second, the securities requested to be registered by other holders of securities entitled to participate in the registration (including Registrable Securities of the Investor), drawn from them pro-rata based on the number of shares each has requested to be included in such registration and the Investor.

(iii)                                If as a result of the proration provisions of this Section 2(b), the Investor is not entitled to include all such Registrable Securities in such registration, the Investor may elect to withdraw its request to include any Registrable Securities in such registration.

(iv)                               If the Investor decides not to include all of its Registrable Securities in any Registration Statement thereafter filed by the Company but before the Registration Statement becomes effective, the Investor shall nevertheless continue to have the right under this Section 2(b) to include any Registrable Securities then held by it in any subsequent Registration Statement as may be filed by the Company with respect to offerings of its Common Shares.

(v)                                  Notwithstanding the foregoing, the Company shall have no obligations under this Section 2(b) hereof at any time that the Registrable Securities that the Investor seeks to include in a Registration Statement are the subject of an effective registration statement.

(c)                                   Blackout Period .

(i)                                      Subject to the provisions of this Section 2(c) and a good faith determination by a majority of the independent members of the Board of Directors of the Company that it is in the best interests of the Company to suspend the use of the Registration Statement, following the effectiveness of a Registration Statement (and the filings with any international, federal or state securities commissions), the Company, by written notice to managing underwriter (if any) and the Investor, may direct the Investor to suspend sales of the Registrable Securities pursuant to a Registration Statement for such times as the Company reasonably may determine is necessary and advisable (but in no event for more than (x) an aggregate of ninety (90) days in any rolling twelve (12)- month period commencing on the Closing Date or (y) more than sixty (60) days in any rolling 90-day period), if any of the following events shall occur:  (1) the representative of the underwriters of an Underwritten Offering of primary shares by the Company has advised the Company that the sale of Registrable Securities pursuant to the Registration Statement would have a material adverse effect on the Company’s primary offering; (2) the majority of the independent members of the Board of Directors of the Company shall have determined in good faith that (A) the offer or sale of any Registrable Securities

6

would materially impede, delay or interfere with any proposed financing, offer or sale of securities, acquisition, amalgamation, merger, tender offer, business combination, corporate reorganization or other significant transaction involving the Company or (B) after the advice of counsel, the sale of Registrable Securities pursuant to the Registration Statement would require disclosure of non-public material information not otherwise required to be disclosed under applicable law, and (C)  (x) the Company has a bona fide business purpose for preserving the confidentiality of the proposed transaction, (y) disclosure would have a material adverse effect on the Company or the Company’s ability to consummate the proposed transaction, or (z) the proposed transaction renders the Company unable to comply with Commission requirements, in each case under circumstances that would make it impractical or inadvisable to cause the Registration Statement (or such filings) to become effective or to promptly amend or supplement the Registration Statement on a post-effective basis, as applicable; or (3) the majority of the independent members of the Board of Directors of the Company shall have determined in good faith, after the advice of counsel, that the Company is required by law, rule or regulation or that it is in the best interests of the Company to supplement the Registration Statement or file a post-effective amendment to the Registration Statement in order to incorporate information into the Registration Statement for the purpose of (A) including in the Registration Statement any prospectus required under Section 10(a)(3) of the Securities Act; (B) reflecting in the prospectus included in the Registration Statement any facts or events arising after the effective date of the Registration Statement (or of the most recent post-effective amendment) that, individually or in the aggregate, represents a fundamental change in the information set forth therein; or (C) including in the prospectus included in the Registration Statement any material information with respect to the plan of distribution not disclosed in the Registration Statement or any material change to such information. Any period in which the use of the Registration Statement has been suspended in accordance with this Section 2(c) is sometimes referred to herein as a “ Blackout Period .”  Upon the occurrence of any such suspension, the Company shall use its commercially reasonable best efforts to cause the Registration Statement to become effective or to promptly amend or supplement the Registration Statement on a post-effective basis or to take such action as is necessary to make resumed use of the Registration Statement compatible with the Company’s best interests, as applicable, so as to permit the Investor to resume sales of the Registrable Securities as soon as possible.

(ii)                                   In the case of an event that causes the Company to suspend the use of a Registration Statement (a “ Suspension Event ”), the Company shall give written notice (a “ Suspension Notice ”) to the managing underwriter (if any) and the Investor to suspend sales of the Registrable Securities and such notice shall state generally the basis for the notice and that such suspension shall continue only for so long as the Suspension Event or its effect is continuing (but in no event longer than the periods specified in Section 2(c)(i)) and the Company is using its commercially reasonable best efforts and taking all reasonable steps to terminate suspension of the use of the Registration Statement as promptly as possible. The Investor shall not effect any sales of the Registrable Securities pursuant to such Registration Statement (or such filings) at any time after it has received a Suspension Notice from the Company and prior to receipt of an End of Suspension Notice (as defined below). If so directed by the Company, the Investor will deliver to the Company (at the expense of the Company) all copies (other than permanent file copies)

7

then in the Investor’s possession of the Prospectus covering the Registrable Securities at the time of receipt of the Suspension Notice. The Investor may recommence effecting sales of the Registrable Securities pursuant to the Registration Statement (or such filings) following further notice to such effect (an “ End of Suspension Notice ”) from the Company, which End of Suspension Notice shall be given by the Company to the Investor and the managing underwriter in the manner described above promptly following the conclusion of any Suspension Event and its effect.

(iii)                                Notwithstanding any provision herein to the contrary, if the Company shall give a Suspension Notice pursuant to this Section 2, the Company agrees that it shall extend the period of time during which the applicable Registration Statement shall be maintained effective pursuant to this Agreement by the number of days during the period from the date of receipt by the Investor of the Suspension Notice to and including the date of receipt by the Investor of the End of Suspension Notice and copies of the supplemented or amended Prospectus necessary to resume sales.

3.                                        Obligations of the Company . In connection with the registration of the Registrable Securities, the Company shall use commercially reasonable efforts to:

(a)                                   (i) Prepare and file with the Commission a Registration Statement, within the relevant time period specified in Section 2, on the appropriate form under the Securities Act (as shall be selected by the Company), which Registration Statement (1) shall be available for the sale of the Registrable Securities by the Investor, (2) shall comply as to form in all material respects with the requirements of the applicable form and include or incorporate by reference all financial statements required by the Commission to be filed therewith or incorporated by reference therein, and (3) shall comply in all respects with the requirements of Regulation S-T under the Securities Act, and (ii) cause such Registration Statement to become effective and remain effective in accordance with Section 2 of this Agreement.

(b)                                  Prepare and file with the Commission such amendments and post-effective amendments to each