All notices and other communications required or permitted to be given with respect to this Warrant Agreement shall be in writing signed by the sender, and shall be considered given: (w) on the date delivered, if personally delivered during normal business hours, or on the next Business Day if delivered after normal business hours of the recipient; (x) on the date sent by telecopier with automatic confirmation of the transmitting machine showing the proper number of pages were transmitted without error, if sent during normal business hours of the recipient, or on the next Business Day if sent after normal business hours; (y) on the date sent by email transmission so long as the sender of such email does not receive an automatic reply from the recipient’s email server indicating the recipient did not receive such email; or (z) on the Business Day after being sent by FedEx or another recognized overnight delivery service in time for and specifying next day or next business day delivery, in each instance referred to in the preceding clause (z) only if all delivery charges are pre-paid. Each such notice or other communication shall be given to the Holder in accordance with Section  8.06 of that certain Securities Purchase Agreement, dated as of November 27, 2018, between the Holder, the Company and the other parties thereto, and to the Company at its principal executive offices.