All notices, demands and other communications to be given or delivered under or by reason of the provisions of this Agreement will be in writing and will be deemed to have been given (a) when personally delivered, (b) when transmitted via electronic mail to the email address set out below, (c) the second Business Day following the day (except if not a Business Day then the next Business Day) on which the same has been delivered prepaid to an internationally recognized overnight air courier service or (d) the fourth Business Day following the day on which the same is sent by certified or registered mail, postage prepaid; provided that email shall be the presumptive means of transmission of notices, demands or communications pursuant to this Agreement unless not reasonably practicable for a given notice, demand or other communication. Notices, demands and communications, in each case to the respective parties, will be sent to the applicable address set forth below or to such other address or to the attention of such other person as the recipient party shall have specified by prior written notice to the sending party in accordance with the terms of this Agreement.