All notices and other communications required or permitted under this Agreement shall be in writing and shall be deemed to have been duly given when personally delivered or five days after deposit in the United States mail, postage prepaid, addressed (a) if to the Executive, to the Executive’s address as it appears in the records of the Company, and if to the Company, to United Continental Holdings, Inc., attention: Deputy General Counsel & Corporate Secretary, 233 South Wacker Drive, 11th Floor HDQLD, Chicago, IL 60606, or (b) to such other address as either party shall have furnished to the other in writing in accordance herewith, except that notices of change of address shall be effective only upon receipt.