Corrections for May 22, 2009

The following corrections were made on May 22, 2009

Symbol Assessment Date Original Assessment New Assessment Description
AAGVZ00h 21-May-09 -.54 -.59 WTI Midland Differential
AAGVZ00l 21-May-09 -.56 -.61 WTI Midland Differential
AAWYI00h 22-May-09 648 650 Toluene W5 FOB Korea
AAWYI00l 22-May-09 646 648 Toluene W5 FOB Korea
PCACJ00h 21-May-09 59.95 59.9 WTI Midland 1st Mo
PCACJ00l 21-May-09 59.91 59.86 WTI Midland 1st Mo
XNRJ003c 20-May-09 339 340 NYMEX RGGI CO2 Allowance 3Q Elec
XNRJ003h 20-May-09 339 340 NYMEX RGGI CO2 Allowance 3Q Elec
XNRJ003l 20-May-09 339 340 NYMEX RGGI CO2 Allowance 3Q Elec
XNRJ003o 20-May-09 339 340 NYMEX RGGI CO2 Allowance 3Q Elec
XNRJZ09c 20-May-09 339 340 NYMEX RGGI CO2 Allowance Dec 200
XNRJZ09h 20-May-09 339 340 NYMEX RGGI CO2 Allowance Dec 200
XNRJZ09l 20-May-09 339 340 NYMEX RGGI CO2 Allowance Dec 200
XNRJZ09o 20-May-09 339 340 NYMEX RGGI CO2 Allowance Dec 200