Respected gentlemen: We hereby formally state our intention to sell copper ore (Cu) according to the required technical specifications: Commodity: Copper Re-Concentrated minimum to 20% Specification: Amount: 2,000 Mt * 2,000 tons of minimum 20% concentrated copper, settled price according to the LME minus the discount determined by the market, discounting the moisture and penalisable minerals and adding the contained minerals that are settled according to the international standard (such as Gold, Silver and Platinum) and an additional 10% discount. Origin: Colombia Terminal: FOB Barranquilla Price: LME minus 10% discount Payment: DLC (EXW) at the Barranquilla plant - Colombia Procedure: Commercial contract valid for 12 months, letter of credit in the name of our company at sight, confirmed, divisible, irrevocable, irreversible and transferable, through our trust and BANCOLDEX; first delivery 60 days after the letter of credit is made viable. So that we can move forward in a forceful way, I request the following documents in order to register you as a client before the fiduciary commission: Chamber of Commerce dated less than 30 days RUT Financial statements for the last two years with notes Income tax returns for the last two years ID of the legal representative In the case of foreign companies, equivalent documents are requested according to international parameters and those of each country.