All notices or other communications provided hereunder must be in writing and mailed or delivered either (i) to the Company at its principal place of business or (ii) to the Grantee at the address on file with the Company, or such other address as the Company or the Grantee may provide to the other for purposes of providing notice. Any such notice shall be deemed effective (1) upon delivery if delivered in person, (2) on the next business day if transmitted by national overnight courier and (3) on the fourth business day following mailing by first class mail.