All notices, requests, demands or other communications that are required or may be given pursuant to the terms of this Warrant shall be in writing and delivery shall be deemed sufficient in all respects and to have been duly given on the date of service if delivered personally or by facsimile transmission if receipt is confirmed to the party to whom notice is to be given, or on the third day after mailing if mailed by first-class mail, return receipt requested, postage prepaid, and properly addressed to Holder at the address set forth on the signature page of this Warrant and the Company at 3000 Kent Avenue, Suite A1-100, West Lafayette, IN 47906, or to any other address as either party may specify in writing.