All notices hereunder shall be in writing, and if to the Company or the Committee, shall be delivered to the Board or mailed to Actua’s principal office, addressed to the attention of the Board; and if to Grantee, shall be delivered personally sent by facsimile transmission or mailed to Grantee at the address appearing in the records of the Company. Such addresses may be changed at any time by written notice to the other party given in accordance with this Paragraph 10.