EXHIBIT A --------- AGREEMENT RE JOINT FILING OF SCHEDULE 13D ------------ In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that Amendment No. 6 to the Schedule 13D dated April 15,...

                                                                       EXHIBIT A
                                                                       ---------
                          AGREEMENT RE JOINT FILING OF
                                  SCHEDULE 13D
                                  ------------



     In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of
1934, as amended, the undersigned hereby agree that Amendment No. 6 to the
Schedule 13D dated April 15, 2002 relating to the Common Shares, $1.00 par
value, of ESG Re Limited as the same may be amended from time to time hereafter,
is being filed with the Securities and Exchange Commission on behalf of each of
them.


Dated:  Xxxxx 00, 0000


                            XXXXXX ADVISORS LLC


                            By:  /s/ Xxxxxx X. Xxxxx
                                 ------------------------------------
                                  Xxxxxx X. Xxxxx
                                  Managing Member


                            VICUNA PARTNERS LLC


                            By: /s/ Xxxxxx X. Xxxxx
                                -------------------------------------
                                  Xxxxxx X. Xxxxx
                                  Managing Member


                            VICUNA CAPITAL I, L.P.
                            By:  Vicuna Partners LLC, General Partner


                            By: /s/ Xxxxxx X. Xxxxx
                                -------------------------------------
                                   Xxxxxx X. Xxxxx
                                   Managing Member


                            WNP Investment Partnership, L.P.
                            By:  Vicuna Partners LLC, General Partner


                            By: /s/ Xxxxxx X. Xxxxx
                                -------------------------------------
                                   Xxxxxx X. Xxxxx
                                   Managing Member


                            VICUNA MASTER US, L.P.
                            By:  Vicuna Partners LLC, General Partner


                            By: /s/ Xxxxxx X. Xxxxx
                                -------------------------------------
                                   Xxxxxx X. Xxxxx
                                   Managing Member



                            /s/ Xxxxxx X. Xxxxx
                            -------------------------------
                                    Xxxxxx X. Xxxxx