Delivery of, and payment of the purchase price (via wire transfer) for, the Securities shall be made at 9:00 a.m. Houston time, on October 2, 2018, or such other time and date as the Representative shall designate by notice to the Company (such date and time, the “ Closing Date ”) at the offices of Vinson & Elkins L.L.P., 1001 Fannin Street, Suite 2500, Houston, Texas 77002. The Closing Date and the location of delivery of and the form of payment for the Securities may be varied by mutual agreement between the Initial Purchasers and the Company. The Company hereby acknowledges that circumstances under which the Representative may provide notice to postpone the Closing Date as originally scheduled include, but are in no way limited to, any determination by the Company or the Initial Purchasers to recirculate to investors copies of an amended or supplemented Preliminary Offering Memorandum, Pricing Disclosure Package, or Final Offering Memorandum or a delay as contemplated by the provisions of Section 10(e) hereof.