Monthly Coal Price Index: Jan-2011 (NEWC 122.26, RB 123.8, DES ARA 128.02); Feb-2011 (NEWC 122.26, RB 123.8, DES ARA 128.02)

Weekly Coal Price Index: 15-Apr-2011 (NEWC 122.26, RB 123.8, DES ARA 128.02); 22-Apr-2011 (NEWC 122.26, RB 123.8, DES ARA 128.02