Frontera Copper Corporation

Frontera Copper Corporation

December 13, 2006 07:58 ET

Frontera Copper Warrants Exercised

TORONTO, ONTARIO--(CCNMatthews - Dec. 13, 2006) - Frontera Copper Corporation (TSX:FCC)(TSX:FCC.NT)(TSX:FCC.NT.A) announces that an aggregate of 14,992,890 Series A Warrants, representing 99.95% of the 15,000,000 Series A Warrants which were originally issued, were exercised. The Series A warrants, which had traded on the Toronto Stock Exchange under the symbol, FCC.WT, were exercisable at Cdn$3.00 per share until December 11, 2006. The aggregate proceeds from the exercise of the Series A Warrants was Cdn$44,978,670. The unexercised Series A Warrants have expired and have been delisted from the Exchange.

After giving effect to the exercise of the Series A Warrants, there are 63,496,223 issued and outstanding common shares as at December 12, 2006. An additional 1,776,667 common shares are reserved for issuance pursuant to outstanding stock options which have been granted to directors, officers, employees and other persons who perform ongoing services for the Company and its subsidiaries.

About Frontera Copper

Frontera Copper is a Canadian mining, development and exploration company whose principle activity is the production of copper cathode from the Piedras Verdes run-of-mine heap leach copper operation in Sonora, Mexico. Production commenced in October, 2006 and is expected to reach full production capacity in 2007. A total of 942 million pounds of copper is projected to be produced during the 18-year life of the operation. Existing resources and prospective exploration targets adjacent to the main open-pit have the potential to improve the economics and extend the life of the project.

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