Corrections for April 18, 2011

The following corrections were made on April 18, 2011

Symbol Assessment Date Original Assessment New Assessment Description
AAEUQ01c 01-Jan-11 103.43 103.63 OPEC Basket YTD MovAvg
AAEUQ03c 01-Apr-11 117.28 117.33 OPEC Basket MTD MovAvg
AAEUQ04c 15-Apr-11 118.11 118.06 OPEC Basket WTD MovAvg
AAFHJ00u 18-Apr-11 100.25 98.5 W TX Sour (WTS) TX Valero
AAGLW00u 15-Apr-11 0 1261.364 UK-Belgium Interconn Flow TJL
PCAEJ00h 18-Apr-11 115.13 115.29 Par Cond Crude 1Mo DA USD/Bbl
PCAEJ00l 18-Apr-11 114.8 114.97 Par Cond Crude 1Mo DA USD/Bbl
PCAEZ00h 18-Apr-11 701.75 702.75 Par Condensate 1st Mo C$/CM
PCAEZ00l 18-Apr-11 699.75 700.75 Par Condensate 1st Mo C$/CM
PCAII00h 18-Apr-11 669 669.75 Lt/Sr Cromer Canada 1stMo C$/CM
PCAII00l 18-Apr-11 667 667.75 Lt/Sr Cromer Canada 1stMo C$/CM
PCAIK00h 18-Apr-11 109.76 109.88 Lt/Sr Cromer Canada 1stMo
PCAIK00l 18-Apr-11 109.43 109.55 Lt/Sr Cromer Canada 1stMo
PCAIM00h 18-Apr-11 678.33 679.67 Koch Sr Edmonton Can C$/CM
PCAIM00l 18-Apr-11 676.33 677.67 Koch Sr Edmonton Can C$/CM
PCAIO00h 18-Apr-11 111.29 111.51 Sour Edmonton 1Mo US$/Bbl
PCAIO00l 18-Apr-11 110.96 111.18 Sour Edmonton 1Mo US$/Bbl
PCAIQ00h 18-Apr-11 630.67 631.67 Midale Cromer Canada 1stMo C$/CM
PCAIQ00l 18-Apr-11 628.67 629.67 Midale Cromer Canada 1stMo C$/CM
PCAIS00h 18-Apr-11 103.47 103.63 Midale Cromer Canada 1st Mo
PCAIS00l 18-Apr-11 103.14 103.3 Midale Cromer Canada 1st Mo
PSACS09u 18-Apr-11 105.25 103.5 W TX Int (WTI) TX Valero
PSAIY09u 15-Apr-11 120.3 119.95 Buena Vista CA ExxonMobil
PSAJG09u 15-Apr-11 114.83 114.37 Midway-Sunset CA ExxonMobil
PSAPE09u 18-Apr-11 104.25 102.5 KS Com KS Valero
PSUS083u 18-Apr-11 103.9 102.15 SE CO CO Valero
PSUS141u 18-Apr-11 103.5 101.75 Mirando TX Valero
PSUS176u 18-Apr-11 105.25 103.5 N TX Swt TX Valero
PSUS184u 18-Apr-11 104.75 103 OK Panhandle OK Valero
PSUS201u 18-Apr-11 104.75 103 NW OK Swt OK Valero
PSUS215u 18-Apr-11 103.5 101.75 S TX Lt TX Valero
PSUS228u 18-Apr-11 104.75 103 TX Panhandle TX Valero