Corrections for December 9, 2009

The following corrections were made on December 9, 2009

Symbol
Assessment Date
Original Assessment
New Assessment
Description

AAEUQ01c 01-Jan-09 60.14 60.27 OPEC Basket Yearly

AAEUQ03c 01-Dec-09 77.33 76.65 OPEC Basket Monthly

AAOFD00h 09-Dec-09 76.62 73.62 Dated North Sea Light

PCAAS00h 09-Dec-09 76.62 73.62 Dated Brent

PSAMC09u 09-Dec-09 69.94 66.04 Louisiana Gulf Coast Conoco