September 27, 2000 (Executive Name) (Executive Address) Dear (Name): Effective as of the date of this letter and in accordance with the operation of Section 271 of the Delaware General Corporation Law, Trenwick Group Ltd. hereby assumes the benefits...

September 27, 2000

(Executive Name)
(Executive Address)


Dear (Name):

Effective as of the date of this letter and in accordance  with the operation of
Section 271 of the Delaware General  Corporation Law, Trenwick Group Ltd. hereby
assumes the benefits and  obligations  of Trenwick  Group Inc. under the Amended
and Restated Agreement,  dated as of September 26, 2000, by and between Trenwick
Group Inc. and you, a copy of which is attached hereto (the "Agreement").

On or after the date hereof,  notices under the Agreement to the Trenwick  Group
Ltd.,  as  successor  to Trenwick  Group Inc.,  should be made to the  following
address:

                                    Trenwick Group Ltd.
                                    Continental Building
                                    00 Xxxxxx Xxxxxx
                                    Xxxxxxxx XX 00
                                    Bermuda
                                    Attn: Secretary

Sincerely,

TRENWICK GROUP LTD.



By:______________________
    Xxxxx X. Xxxxxxx, Xx.
    Chairman, President &
    Chief Executive Officer