1- The CORPORATION agrees to give CRYSTALLEX the Studies made over the

area of the Contract, so that it may do the Certification of the same and

subsequently elaborate the Feasibility Study.

2- The CORPORATION may propose CRYSTALLEX specialized technical personnel

that the CORPORATION may consider apt for the development of this project and

CRYSTALLEX is in liberty to contract said required personnel, as it deems

convenient.

3- The CORPORATION shall give CRYSTALLEX under inventory identified Annex

F, at the beginning of the duration of this Contract, the installations currently

existing at the mine object of the project “Las Cristinas 4, 5, 6 and 7” for the

purposes of this Contract.

4- The CORPORATION shall obtain the environmental and mining permits required

for the execution of this Project. In any event the periods contemplated in this

Contract shall not start counting until the permits have been obtained.

5- All notices to the MEM object of this Contract shall be made by the

CORPORATION.