Subject to the terms and conditions set forth herein, the Holder is entitled, upon surrender of this Option at the principal office of the Company (or at such other place as the Company shall notify the Holder in writing), to purchase from the Company up to 5,000,000,000 (five billion) XRP. . . . The exercise price for the XRP issuable pursuant to this Section 1 shall be $0.0085 per unit of XRP (the “Exercise Price”). This Option shall be exercisable, in whole or in part, during the term commencing on the date hereof and ending at 5:00 p.m. Pacific time on September 14, 2019 (the “Exercise Period”).