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| Piedmont Mining CompanyPO Box 20675New York, New York10021 | Lewis B. Gustafson5320 Cross Creek LaneReno, Nevada89511 | Richard W. Harris, Esq.Harris & Thompson6121 Lakeside Drive, Suite 260Reno, Nevada, 89511 |
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| Columbus Gold (U.S.) Corporation                                                                                                                                                                                                                                          | PIEDMONT MINING COMPANY, INC.                                                                                                                                                                                                                                                              |
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| Columbus Gold Corporation                                                                                                                                                                                                                                                 |                                                                                                                                                                                                                                                                                       |
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| /s/ Robert Giustra                                           | /s/ Robert Shields                                             |
| Per: Robert Giustra, President                                                                                                                                                                                                                                            | Authorized Signatory                                                                                                                                                                                                                                                                       |
|                                                                                                                                                                                                                                                                      | President & CEO                                                                                                                                                                                                                                                                        |

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