1.   Copper production is expected to rise amid expansions at mines owned by Codelco, Phelps Dodge and other large producers.

2.   Improved world prices led to a recovery in copper production, albeit still below full capacity.

3.   Any prolonged disruption in copper production at Escondida often sends world copper prices higher.

4.   A rate increase would come at a time when copper production is forecast to rise, particularly from South America.

5.   Coal and copper production were at record first quarter levels, the company said.

6.   Copper fell to an nine-month low amid a surge in refined copper production and a slowdown in demand from manufacturers.

7.   Copper production has been rising around the world, including large mines in Chile and North America.

8.   Copper production is expanding throughout the world and new supplies are finding their way into stockpiles.

9.   Copper production for the quarter also will rise.

10.   Copper fell to an nine-month low as refined copper production rises and demand from manufacturers slows.