MERCATOR MINERALS (MLKKF $.377, rating lowered to UNDERWEIGHT from NEUTRAL) PRICE TARGET CUT FROM $0.30 to $0.09 DUE TO LOWER MINERAL PARK 2013 PRODUCTION ESTIMATES and LOWER ESTIMATED COPPER & MOLY PRICES; EL CRESTON PROJECT REMOVED FROM MODELS 3/22/2013

GLENCORE INTERNATIONAL PLC (GLCNF, $5.53; RATED UNDERWEIGHT; PRICE TARGET REDUCED TO USD $2.00 FROM USD $3.00) LOWER COPPER PRICE ESTIMATES REDUCE EARNINGS; ESTIMATED $10 BILLION OR 5 BIL. SHARE RIGHTS ISSUE MODELED AT $2/SHARE TO REPAY DEBT 3/19/2013

FREEPORT-McMORAN COPPER AND GOLD (FCX $33.16, rated Overweight, price target cut from $56 to $48) LOWER ESTIMATED COPPER PRICES CUT ESTIMATED EARNINGS, CASH FLOW & PACE OF DEBT REPAYMENTS; “PERCENTAGE USA” EARNINGS ANALYZED AT COPPER PRICE SCENARIOS 3/14/2013