Unit net cash costs at the Henderson mine of $7.11 per pound of molybdenum in third-quarter 2012 were higher than unit net cash costs of $6.24 per pound in third-quarter 2011 primarily reflecting lower volumes.

Based on current sales volume and cost estimates, FCX expects average unit net cash costs for the Henderson mine to approximate $7.00 per pound of molybdenum for the year 2012.

EXPLORATION ACTIVITIES

FCX is actively conducting exploration activities near its existing mines with a focus on opportunities to expand reserves that will support the development of additional future production capacity in the large minerals districts where it currently operates. Exploration results indicate opportunities for significant future potential reserve additions in North and South America and in the Tenke Fungurume minerals district. The drilling data in North America continue to indicate the potential for expanded sulfide production.

Exploration spending for the year 2012 is expected to approximate $255 million, compared to $221 million in 2011. Exploration activities will continue to focus primarily on the potential for future reserve additions in FCX's existing minerals districts.

PROVISIONAL PRICING AND OTHER

For the first nine months of 2012, 45 percent of FCX's mined copper was sold in concentrate, 28 percent as cathode and 27 percent as rod from North America operations. Under the long-established structure of sales agreements prevalent in the industry, copper contained in concentrates and cathodes is provisionally priced at the time of shipment. The provisional prices are finalized in a contractually specified future month (generally one to four months from the shipment date) primarily based on quoted monthly average spot copper prices on the London Metal Exchange (LME). Because a significant portion of FCX's concentrate and cathode sales in any quarterly period usually remain subject to final pricing, the quarter-end forward price is a major determinant of recorded revenues and the average recorded copper price for the period. LME spot copper prices averaged $3.50 per pound during third-quarter 2012, compared to FCX's average realized price of $3.64 per pound.

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