AGREEMENT

                                                                       EXHIBIT B

                                    AGREEMENT

     The undersigned agree that this Schedule 13D relating to the Common Stock
of Foothill Independent Bancorp shall be filed on behalf of each of the
undersigned.

Dated: April 5, 2000


                                       BASSWOOD PARTNERS, L.L.C.

                                        By: /s/ Xxxxxxx Xxxxxxxxxx
                                            ------------------------------
                                            Name:  Xxxxxxx Xxxxxxxxxx
                                            Title: Managing Member


                                        By: /s/ Xxxxxxx Xxxxxxxxxx
                                            ------------------------------
                                            Name: Xxxxxxx Xxxxxxxxxx
                                            Title:  Managing Member


                                            /s/ Xxxxxxx Xxxxxxxxxx
                                            ------------------------------
                                            Xxxxxxx Xxxxxxxxxx


                                            /s/ Xxxxxxx Xxxxxxxxxx
                                            ------------------------------
                                            Xxxxxxx Xxxxxxxxxx