A.M. best's stock indexes.

A.M. Best's Stock Indexes
Four Weeks Ended February 15, 2007 (Dec. 31, 2004 = 1,000.00)

                                                Percent Change

                                                        Year
                                       Index   Month/     to   Year/
AMB vs Dow                             Close    Month   Date    Year

AMB's Insurance Composite (AMBG)    1,357.09     2.14   2.00   14.34
Dow Jones Industrial Avg (DJIA)    12,765.01     1.57   2.42   15.43

                                                Percent Change
                                                        Year
Global and Regional Indexes            Index   Month/     to    Year/
(Ticker)                               Close    Month   Date    Year

Insurance Composite Indexes by Region

United States (AMBUS)               1,274.41     2.01   1.21    8.36
Europe (AMBEUR)                     1,513.05     2.14   2.46   26.92
Asia/Pacific (AMBAP)                1,499.74     3.12   7.43   17.09

Insurance Indexes by Market Type (Global)

Non-Life (AMBGNL)                   1,293.41     1.13   0.59   15.10
Life (AMBGL)                        1,435.26     3.50   3.89   11.96
Mufti-Line (AMBGML)                 1,345.48     1.19   0.76   18.30
Reinsurance (AMBGR)                 1,339.02     0.67     -0   20.57
Brokers (AMBGB)                     1,101.29     2.89   2.15    2.74

(See www.ambest.com/stocks for live feed, methodology and further
detail identifying the companies included in each index.)