Frontera Copper Corporation

Frontera Copper Corporation

June 13, 2005 09:15 ET

Frontera Copper Commissions M3 Engineering & Technology Corp. For Engineering, Procurement And Construction Management Contract

TORONTO, ONTARIO--(CCNMatthews - June 13, 2005) - Frontera Copper Corporation (TSX:FCC)(TSX:FCC.WT)(TSX:FCC.NT) is pleased to announce the selection of the engineering firm, M3 Engineering & Technology Corp. to provide engineering, procurement and construction management services required to develop the solvent extraction-electro winning (SX-EW) processing plant at Piedras Verdes.

"The selection of M3 Engineering & Technology for Piedras Verdes was based not only on their intimate knowledge of the project as authors of Frontera Copper's feasibility study and technical report, but also because of their proven design and construction experience with mining operations in Mexico," says Gary A. Loving, President and CEO Frontera Copper. "The assignment of the engineering firm completes one of the first critical steps towards progress on the development of the open-pit copper mine and SX-EW processing facility at Piedras Verdes. We remain on track to realize our objective to be in production in the second half of 2006."

In its 19-year history, M3 Engineering & Technology Corp. has designed 6,000 projects and they have considerable expertise in optimal layout and detailing for SX-EW facilities. They have been involved in safety reviews for SX-EW projects and bring this experience as additional expertise to Piedras Verdes. The company offers reliable and proven high-quality engineering services as well as procurement and construction management. Notably, M3 won the prestigious 2005 AISC Engineering Award for Excellence in the $10 million to $25 million category. Their main office is located in Tucson, Arizona and they have satellite offices in Chandler, Arizona and Hermosillo, Mexico.

About Frontera Copper

Frontera Copper is currently focused on bringing into production the Piedras Verdes open pit, run-of-mine heap leach copper project in Sonora, Mexico. In February 2005, the company signed a letter of intent with Grupo PEAL for the provision of contract mining services. Subject to Frontera Copper receiving all necessary permits, the company plans to begin construction activities in the third quarter of 2005. Copper production is expected to commence in the second half of 2006 at an annual rate of 70 million pounds per year of LME Grade A cathode at an average life-of-mine cash operating cost of $0.58 per pound. A total of 942 million pounds of copper is projected to be produced during the 18 year life of the project. Existing resources and prospective exploration targets adjacent to the proposed open pit have the potential to improve the economics and extend the life of the project.

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