Prices of main and precious metals on international trade floors by trade results from December 28, 2011

/IRBIS, December 29, 2011/ - Prices of main and precious metals on international trade floors in SPOT terms according to trades results for December 28, 2011 are as follows: ---------------------------------------------- Trend (in %) for --------------------------- Dec 28, since since 2011 1 day 1 month 2011 2010 -------- --------- ----- ------- ------ ------ Main metals ---------------------------------------------- Copper 7,502.00 -1.16 +1.64 -20.71 +0.51 Aluminum 1,970.50 -1.05 -1.79 -19.42 -11.46 Zinc 1,811.50 -1.90 -6.04 -24.80 -29.65 Nickel 18,365.00 -1.42 +6.31 -25.50 -2.6 Lead 1,950.50 -1.79 -2.67 -24.08 -20.44 -------- --------- ----- ------- ------ ------ Precious metals ---------------------------------------------- Gold 1,562.90 -2.60 -8.65 +13.80 +39.83 Silver 29.19 +0.50 -9.23 +0.07 +67.39 Platinum 1,387.70 -2.92 -9.77 -19.80 -8.54 ---------------------------------------------- The data in the table are based on information of COMEX (Commodity Exchange of New York a concern of NYMEX) and London Metal Exchange. Prices on main metals are quoted in USD per ton, on precious metals - in USD per troy ounce. [2011-12-29]