Joint Filing Agreement In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing on behalf of each of them of a statement on Schedule 13D with respect to the Common Stock...

                                                                    Exhibit 99.1


                                       Joint Filing Agreement


In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as
amended, the undersigned hereby agree to the joint filing on behalf of each of
them of a statement on Schedule 13D with respect to the Common Stock of Commerce
Energy Group, Inc., and that this Agreement be included as an Exhibit to such
joint filing. This Agreement may be executed in any number of counterparts all
of which taken together shall constitute one and the same instrument.


In witness hereof, the undersigned hereby executed this Agreement this 31st day
of July, 2007.



                                    /s/ Xxxxxx Xxxx
                                    -------------------------------
                                    Xxxxxx Xxxx

                                    XXXX HOLDING COMPANY, LLC

                                    By: /s/ Xxxxxx Xxxx
                                    Name: Xxxxxx Xxxx
                                    Title: Manager

                                    XXXX CAPITAL PARTNERS I, L.P.
                                    By: Xxxx Holding Company, LLC,
                                    as general partner

                                    By: /s/ Xxxxxx Xxxx
                                    Name: Xxxxxx Xxxx
                                    Title: Manager

                                    SPECTRUM GALAXY FUND LTD.

                                    By: /s/ Xxxx X. Xxxxxxxxx
                                    Name: Xxxx X. Xxxxxxxxx
                                    Title: Director