,                        ,,                        ,, LME : Lead 15-Month    ,
                    , LME : Lead Cash        ,, LME : Lead 3-Month     ,,                        ,
                    , Lead; Nearest expirati ,, 2nd nearest expn       ,, Third nearest expn     ,
                    , on                     ,,                        ,,                        ,
                    , Jan.1989 to Mar.28.2013,, Jan.1989 to Mar.28.2013,, Jan.1989 to Mar.28.2013,
                    ,                        ,,                        ,,                        ,
2013.1              ,             2093,  ---  ,             2114,  ---  ,             2175,  ---  
2012.4              ,             2254,  ---  ,             2253,  ---  ,             2275,  ---  
2012.3              ,             2299,  ---  ,             2300,  ---  ,             2335,  ---  
2012.2              ,             1795,  ---  ,             1812,  ---  ,             1877,  ---  
2012.1              ,             2020,  ---  ,             2020,  ---  ,             2078,  ---  
2011.4              ,                    na,  ,                    na,  ,                    na,  
2011.3              ,             2613,  ---  ,             2631,  ---  ,             2662,  ---  
2011.2              ,             2622,  ---  ,             2639,  ---  ,             2629,  ---  
2011.1              ,             2697,  ---  ,             2661,  ---  ,             2600,  ---  
2010.4              ,                    na,  ,                    na,  ,                    na,  
2010.3              ,                    na,  ,                    na,  ,                    na,  
2010.2              ,                    na,  ,                    na,  ,                    na,  
2010.1              ,                    na,  ,                    na,  ,                    na,  
2009.4              ,                    na,  ,                    na,  ,                    na,  
2009.3              ,                    na,  ,                    na,  ,                    na,  
2009.2              ,                    na,  ,                    na,  ,                    na,  
2009.1              ,                    na,  ,                    na,  ,                    na,  
2008.4              ,                    na,  ,                    na,  ,                    na,  
2008.3              ,                    na,  ,                    na,  ,                    na,  
2008.2              ,                    na,  ,                    na,  ,                    na,  
2008.1              ,             2741,  ---  ,             2750,  ---  ,             2675,  ---  
2007.4              ,                    na,  ,                    na,  ,                    na,  
2007.3              ,                    na,  ,                    na,  ,                    na,  
2007.2              ,                    na,  ,                    na,  ,                    na,  
2007.1              ,             1909,  ---  ,             1852,  ---  ,             1487,  ---  
2006.4              ,             1775,  ---  ,             1685,  ---  ,             1460,  ---  
2006.3              ,             1425,  ---  ,             1400,  ---  ,             1265,  ---  
2006.2              ,              955,  ---  ,              992,  ---  ,              998,  ---  
2006.1              ,             1210,  ---  ,             1215,  ---  ,             1180,  ---  
2005.4              ,             1064,  ---  ,             1035,  ---  ,              955,  ---  
2005.3              ,              975,  ---  ,              939,  ---  ,              888,  ---  
2005.2              ,              927,  ---  ,              921,  ---  ,              863,  ---  
2005.1              ,             1023,  ---  ,              985,  ---  ,              890,  ---  
2004.4              ,             1056,  ---  ,             1011,  ---  ,              903,  ---  
2004.3              ,              964,  ---  ,              926,  ---  ,              827,  ---  
2004.2              ,              868,  ---  ,              818,  ---  ,              688,  ---  
2004.1              ,              829,  ---  ,              821,  ---  ,              705,  ---  
2003.4              ,              739,  ---  ,              725,  ---  ,              638,  ---  
2003.3              ,              542,  ---  ,              543,  ---  ,              545,  ---  
2003.2              ,              484,  ---  ,              478,  ---  ,              490,  ---  
2003.1              ,              440,  ---  ,              451,  ---  ,              468,  ---  
2002.4              ,              421,  ---  ,              433,  ---  ,              455,  ---  
2002.3              ,              405,  ---  ,              419,  ---  ,              457,  ---  
2002.2              ,              446,  ---  ,              455,  ---  ,              483,  ---  
2002.1              ,              485,  ---  ,              498,  ---  ,              513,  ---  
2001.4              ,              504,  ---  ,              498,  ---  ,              505,  ---  
2001.3              ,              451,  ---  ,              462,  ---  ,              480,  ---  
2001.2              ,              443,  ---  ,              455,  ---  ,              488,  ---  
2001.1              ,              478,  ---  ,              492,  ---  ,              513,  ---  
2000.4              ,              471,  ---  ,              484,  ---  ,              517,  ---  
2000.3              ,              504,  ---  ,              504,  ---  ,              507,  ---  
2000.2              ,              440,  ---  ,              450,  ---  ,              473,  ---  
2000.1              ,              435,  ---  ,              453,  ---  ,              503,  ---  
1999.4              ,              478,  ---  ,              495,  ---  ,              533,  ---  
1999.3              ,              502,  ---  ,              515,  ---  ,              535,  ---  
1999.2              ,              485,  ---  ,              498,  ---  ,              528,  ---  
1999.1              ,              506,  ---  ,              506,  ---  ,              518,  ---  
1998.4              ,              497,  ---  ,              474,  ---  ,              507,  ---  
1998.3              ,              521,  ---  ,              534,  ---  ,              562,  ---  
1998.2              ,              545,  ---  ,              546,  ---  ,              572,  ---  
1998.1              ,              577,  ---  ,              577,  ---  ,              560,  ---  
1997.4              ,              559,  ---  ,              565,  ---  ,              592,  ---  
1997.3              ,              642,  ---  ,              646,  ---  ,              638,  ---  
1997.2              ,              615,  ---  ,              628,  ---  ,              653,  ---  
1997.1              ,              687,  ---  ,              682,  ---  ,              670,  ---  
1996.4              ,              701,  ---  ,              703,  ---  ,              678,  ---  
1996.3              ,              765,  ---  ,              768,  ---  ,              747,  ---  
1996.2              ,              793,  ---  ,              800,  ---  ,              802,  ---  
1996.1              ,              810,  ---  ,              788,  ---  ,              725,  ---  
1995.4              ,              715,  ---  ,              713,  ---  ,              683,  ---  
1995.3              ,              606,  ---  ,              619,  ---  ,              637,  ---  
1995.2              ,              622,  ---  ,              634,  ---  ,              640,  ---  
1995.1              ,              593,  ---  ,              607,  ---  ,              620,  ---  
1994.4              ,              651,  ---  ,              669,  ---  ,              677,  ---  
1994.3              ,              625,  ---  ,              638,  ---  ,              638,  ---  
1994.2              ,              533,  ---  ,              549,  ---  ,              589,  ---  
1994.1              ,              445,  ---  ,              460,  ---  ,              505,  ---  
1993.4              ,              474,  ---  ,              487,  ---  ,              513,  ---  
1993.3              ,              363,  ---  ,              377,  ---  ,              421,  ---  
1993.2              ,              389,  ---  ,              400,  ---  ,              455,  ---  
1993.1              ,              411,  ---  ,              423,  ---  ,              475,  ---  
1992.4              ,              448,  ---  ,              459,  ---  ,              519,  ---  
1992.3              ,              587,  ---  ,              600,  ---  ,              655,  ---  
1992.2              ,              608,  ---  ,              624,  ---  ,              620,  ---  
1992.1              ,              529,  ---  ,              538,  ---  ,              586,  ---  
1991.4              ,              538,  ---  ,              548,  ---  ,              609,  ---  
1991.3              ,              548,  ---  ,              554,  ---  ,              606,  ---  
1991.2              ,              561,  ---  ,              558,  ---  ,              600,  ---  
1991.1              ,              608,  ---  ,              625,  ---  ,              652,  ---  
1990.4              ,              616,  ---  ,              630,  ---  ,              697,  ---  
1990.3              ,              787,  ---  ,              791,  ---  ,              797,  ---  
1990.2              ,              918,  ---  ,              893,  ---  ,              849,  ---  
1990.1              ,              825,  ---  ,              778,  ---  ,              692,  ---  
1989.4              ,              718,  ---  ,              705,  ---  ,              701,  ---  
1989.3              ,              743,  ---  ,              731,  ---  ,              656,  ---  
1989.2              ,              665,  ---  ,              632,  ---  ,              623,  ---  
1989.1              ,              575,  ---  ,              589,  ---  ,              613,  ---