CELL-DATA INTERNATIONAL S.R.L                                                        
MEDIE MENSILI CASH AL: 13/11/12    in us$/ton.
                                                                                     
                                                                                     
    RAME        ZINCO                                                                
                                                                                     
GEN. 8043.45  1980.69        
FEB. 8422.69  2058.21        
MAR. 8457.05  2034.55        
APR. 8259.63  1996.74        
MAG. 7919.93  1930.02        
GIU. 7420.11  1855.79        
LUG. 7589.39  1851.18        
AGO. 7492.45  1813.80        
SET. 8068.38  2002.10        
OTT. 8069.52  1911.78        
NOV. 7652.78  1859.67        
DIC.    0.00     0.00        
                                                                                     
    NICKEL      ALL. PRIM.                                                           
                                                                                     
GEN. 19821.9  2144.14        
FEB. 20465.0  2203.88        
MAR. 18709.6  2182.89        
APR. 17897.4  2046.53        
MAG. 17020.0  2000.45        
GIU. 16539.2  1884.76        
LUG. 16159.1  1874.14        
AGO. 15657.7  1838.07        
SET. 17215.5  2053.88        
OTT. 17245.4  1975.17        
NOV. 15997.2  1908.61        
DIC.     0.0     0.00