CUSIP No. 67612W108 AGREEMENT CONCERNING JOINT FILING OF AMENDMENT NO. 4 TO SCHEDULE 13D The undersigned agree as follows: (i) each of them is individually eligible to use Schedule 13D to which this Exhibit is attached, and such Schedule 13D is filed...Fairfax Financial Holdings LTD/ Can • December 27th, 2005 • Fire, marine & casualty insurance
Company FiledDecember 27th, 2005 Industry