EXHIBIT 99.1 Amended and Restated Joint Filing Agreement The undersigned agree that the Schedule 13D, as amended, to be filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the...

                                                                    EXHIBIT 99.1

                   Amended and Restated Joint Filing Agreement

            The undersigned agree that the Schedule 13D, as amended, to be filed
with the Securities and Exchange Commission on or about the date hereof with
respect to the beneficial ownership by the undersigned of the shares of Common
Stock, par value $0.0001 per share, of Platinum Energy Resources, Inc., a
Delaware corporation, shall be filed, and all amendments thereto will be filed,
on behalf of each of the persons and entities named below in accordance with
Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This
Agreement may be executed in two or more counterparts, each of which shall be
deemed an original, but all of which together shall constitute one and the same
instrument.

Dated: June 1, 2009


                                                 /s/ Xxx Xxxxxxxxxx
                                             -----------------------------------
                                                 Xxx Xxxxxxxxxx


                                             PACIFIC INTERNATIONAL GROUP
                                               HOLDINGS LLC



                                             By: /s/ Xxx Xxxxxxxxxx
                                                 -------------------------------
                                                 Name: Xxx Xxxxxxxxxx
                                                 Title: Manager


                                             REGENT VENTURE V LLC



                                             By: /s/ Xxx Xxxxxxxxxx
                                                 -------------------------------
                                                 Name: Xxx Xxxxxxxxxx
                                                 Title: Manager


                                             BRAESRIDGE ENERGY LLC



                                             By: /s/ Xxx Xxxxxxxxxx
                                                 -------------------------------
                                                 Name: Xxx Xxxxxxxxxx
                                                 Title: Manager



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