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DIA BRAS SELLS A NICHROMET LICENCE TO ECU SILVER MINING INC

Montréal, Québec, - June 10, 2004 -

Dia Bras Exploration Inc. (the “Company” or “Dia Bras”) is pleased to announce today that the signature of a letter of intent with ECU Silver Mining Inc. (“ECU Silver”) concerning the acquisition by ECU Silver of the right to utilize the Nichromet technology for its mining projects in Mexico.

Dia Bras would sell to ECU the right to use and install all the proprietary technology developed by Nichromet for any and all of its Mexican projects. To acquire this right, ECU would issue 1,000,000 common shares to Dia Bras on the closing of the transaction. Furthermore Dia Bras would be entitled to a 1.5% NSR royalty on any ore from the Mexican properties of ECU Silver processed with the Nichromet technology. Ecu Silver would have the right to buy back a 0.5% NSR for CDN$500,000.00.

 Dia Bras would make a private placement in units of ECU Silver for a total amount of CDN$200,000, each unit being comprised of one common share and one common share purchase warrant. The units will be priced according to the pricing policies of the TSX Venture Exchange. The proceeds of the private placement are to be used by ECU for the installation of a metallurgical laboratory to test samples using the Nichromet technology and to hire and train the personnel required to operate the laboratory.

This investment in ECU gives Dia Bras the right to use the metallurgical laboratory, and any pilot plant that could be built subsequently, for testing materials at cost plus 10%.

The letter of intent is subject to the approval of the regulatory authorities and the board of directors of both companies. A due diligence process is to be initiated immediately, followed by a formal agreement.

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For further information contact:

Réjean Gosselin
President

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this press release.