X0303 4 2010-03-05 0 0000793547 NAVIGATORS GROUP INC NAVG 0001241969 EISDORFER R SCOTT THE NAVIGATORS GROUP, INC. 6 INTERNATIONAL DRIVE RYE BROOK NY 10573 0 1 0 0 SVP & Chief Admin. Officer Common Stock 2010-03-05 4 A 0 4000 0 A 16048 D These shares vest in three equal installments on March 1, 2013, March 1, 2014 and March 1, 2015, subject to the Reporting Person's continued employment with the Issuer and the Issuer's financial performance. The number of shares that vest on such dates may increase or decrease based on such performance. Until such installments vest, the Reporting Person does not have voting or dispositive control over these shares. Excludes nonvested shares of restricted stock. R. Scott Eisdorfer 2010-03-09