1- Shall be the responsibility of CRYSTALLEX the fulfillment of the regulations in

force regarding conservation, defense and improvement of the environment,

specially those referred to the control of environmental impact of mining activities

and the correction, recuperation and improvement of the intervened areas.

2- The mining activities that are developed in the areas shall be carried out in a rational

and scientific manner in accordance to the principle of sustained development, the

conservation of the environment and the ordering of the territory, in accordance to

articles 5 and 15 of the Law of Mines.

3.- CRYSTALLEX shall have the right to use and take advantage of the waters of the

public domain on condition that it do so subject to the environmental dispositions in

this matter. Moreover, should it be necessary it may use the waters of private

domain be it through rights of use or expropriation, on condition that it fulfills the

requisites of the applicable legislation.

4.- CRYSTALLEX shall present the program of Environmental Management and the

CORPORATION shall review it, validate it, and shall be in charge of the activities

before the Ministry of Environment and Renewable Resources.