2 375.03 300.03 0.00 75.03 USD PerUnil MAR TOTALS: 850 149.346.63 USD 3.37 425.03 340.03 0.03 85.03 NAN 7/17/2012 0742042012 Set NL NL INDS INC 3.000 12.4338 0.0150 3725536 NITA GSCO 0.84 45.03 45.03 0.00 0.03 USD PerUnil NAN TOTALS: 3.000 37.25556 USD 0.84 45.03 45.03 0.03

l ART AR11O GLOBAL INVEST 5.238 3.6800 0.0100 19.223.02 REDI GSCO 044 52.38 52.38 0.00 0.00 USO PerUng NAN 5922012 0597,2012 Sell NL NL INDS INC 10.000 142000 0.0300 141.696.81 CSFI3 GSCO 319 300.00 150.00 0.00 150.00 USO PerUnil NAN 592/2012 0597/2012 SO NL NL INDS INC 800 14