X0202 3 2006-07-05 0 0000109261 ZENITH NATIONAL INSURANCE CORP ZNT 0001212531 VANGUNDY KARI 21255 CALIFA ST. WOODLAND HILLS CA 91367 0 1 0 0 Sr. Vice President Common Stock 582 I See Footnote Common Stock 522.0682 D Represents the approximate number of shares allocated to the reporting person's account in The Zenith 401(k) Plan as of June 28, 2006, the latest practible date for which such information is available. /s/ Kari L. Van Gundy 2006-07-05