**LOCKBOX      AGREEMENT**

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|   |   | SHUMATE                INDUSTRIES, INC., (formerly EXCALIBUR INDUSTRIES, INC.), a Delaware                corporation                                                                                                                                                                                                                                                                                                            |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   | By: /s/              Matthew C.              Flemming                                                                                                        |
|   |   | Name: Matthew C. Flemming                                                                                                                                                                                                                                                                                                                                                                                                        |
|   |   | Title: Chief Financial Officer                                                                                                                                                                                                                                                                                                                                                                                                   |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   | SHUMATE MACHINE WORKS, INC.                                                                                                                                                                                                                                                                                                                                                                                                      |
|   |   | a Texas corporation                                                                                                                                                                                                                                                                                                                                                                                                              |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   | By: /s/              Matthew C.              Flemming                                                                                                        |
|   |   | Name: Matthew C. Flemming                                                                                                                                                                                                                                                                                                                                                                                                        |
|   |   | Title: CFO                                                                                                                                                                                                                                                                                                                                                                                                                       |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   | STILLWATER NATIONAL BANK AND TRUST COMPANY,              a              national banking association                                                                                                                                                                                                                                                                                                                             |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                             |
|   |   | By: /s/              Michael              Mattson                                                                         |
|   |   | Name: Michael Mattson                                                                                                                                                                                                                                                                                                                                                                                                            |
|   |   | Title: Vice              President                                                                                                                                                                                                                                                                                                                                                                                               |

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