At any time and from time to time after the Issuance Date, the Company shall have the right to redeem all or any portion of the Conversion Amount then remaining under this Note and the Other Notes (the " Company Optional Redemption Amount ") as designated in the applicable Company Optional Redemption Notice on a Company Optional Redemption Date (each as defined below) (a " Company Optional Redemption "). The portion of this Note and the Other Notes subject to redemption pursuant to this Section 9(a) shall be redeemed by the Company on the applicable Company Optional Redemption Date (as defined below) in cash by wire transfer of immediately available funds pursuant to wire instructions provided by the Holder in (a " Company Optional Redemption Price "). The Company may exercise its right to require redemption under this Section 9 by delivering prior written notice thereof three (3) Trading Days prior to the applicable Company Optional Redemption Date (as defined below) by facsimile or electronic mail and overnight courier to the Holder and all, but not less than all, of the holders of the Other Notes (a " Company Optional Redemption Notice " and the date all of the holders of the Notes received such notice is referred to as a " Company Optional Redemption Notice Date "). Each Company Optional Redemption Notice shall be irrevocable. Each Company Optional Redemption Notice shall (i) state the date on which the applicable Company Optional Redemption shall occur (a " Company Optional Redemption Date "), which date shall be three (3) Trading Days following the applicable Company Optional Redemption Notice Date or and (ii) state the aggregate Conversion Amount of the Notes which the Company has elected to be subject to Company Optional Redemption from the Holder and all of the holders of the Other Notes pursuant to this Section 9(a) (and analogous provisions under the Other Notes) on such Company Optional Redemption Date. Notwithstanding anything to the contrary in this Section 9, until the applicable Company Optional Redemption Price is paid in full, such Company Optional Redemption Amount may be converted, subject to Section 3(d), in whole or in part, by the Holder into shares of Common Stock pursuant to Section 3. All Conversion Amounts converted by the Holder after a Company Optional Redemption Notice Date shall reduce the Company Optional Redemption Amount of this Note required to be redeemed on such Company Optional Redemption Date, unless the Holder otherwise indicates in the applicable Conversion Notice. Company Optional Redemptions made pursuant to this Section 9 shall be made in accordance with Section 13. To the extent redemptions required by this Section 9 are deemed or determined by a court of competent jurisdiction to be prepayments of the Note by the Company, such redemptions shall be deemed to be voluntary prepayments.