Corrections for May 24, 2010

The following corrections were made on May 24, 2010

Symbol Assessment Date Original Assessment New Assessment Description
AAFEN00u 21-May-10 66.49 66.59 P-5 WTI Platts Postings Avg
CANO0Y1u 24-May-10 30 25 Nitrogen Oxides Allowance 1 Yr
DU138CCu 21-May-10 211.25 211.75 DTN ULSD Duluth MN Hartland Unb
EDNOX11u 24-May-10 30 25 US EM NOX 2011 Dly Ass $/Allow
EDNXA11u 24-May-10 30 25 US NOx 2011 Annual Dly Ass $/St
EDS2A12u 24-May-10 14 16 US SO2 2012 Dly Assess $/St
EDSO212u 24-May-10 7 8 US EM SO2 2012 Dly Ass $/Allow
HPAWK04l 19-May-10 1338 1388 PolyPro Copol Spain Wkly EURO
PSADF09u 21-May-10 66 66.5 W Tex Int Scurlock