portion of such Investors Registrable Securities as are specified in such request, together with all or such portion of the Registrable Securities of any other Investors joining in such request as are specified in a written request given within fourteen (14) Business Days after the Company provides the notice contemplated by Section 4.1(a) above; provided, however, that the Company shall not be obligated to effect any such registration, qualification or compliance pursuant to this Section 4:
(A) if Form S-3 or Form F-3 is not available for such offering by Investors;
(B) if the Company shall furnish to the Investor(s) a certificate signed by the chief executive officer of the Company stating that in the good faith judgment of the Board, it would be materially detrimental to the Company and its shareholders for such Form S-3 or Form F-3 Registration to be effected at such time, in which event the Company shall have the right to defer the filing of the Form S-3 or Form F-3 registration statement no more than once during any twelve (12) month period for a period of not more than ninety (90) days after receipt of the request of the Investor under this Section 4; or
(C) if the Company has, within the twelve (12) month period preceding the date of such request, already effected two (2) registrations under the Securities Act other than a registration from which the Registrable Securities of Investor(s) have been excluded (with respect to all or any portion of the Registrable Securities the Investor(s) requested be included in such registration) pursuant to the provisions of Section 3.2 of this Schedule 1.
4.2 Expenses. The Company shall pay all expenses incurred in connection with each registration requested pursuant to this Section 4 (excluding underwriters or brokers discounts and commissions relating to shares sold by the Investors and the Existing Holders), including without limitation all U.S. federal, blue sky and all foreign registration, filing and qualification fees, printers and accounting fees, and fees and disbursements of counsel and reasonable expenses of one legal counsel for the Investors.
4.3 Not Demand Registration. Form S-3 or Form F-3 registrations shall not be deemed to be demand registrations as described in Section 2 above. Except as otherwise provided herein, there shall be no limit on the number of times the Holders may request registration of Registrable Securities under this Section 4.