Subscriber note: February 4 USWC crack margins corrected

US West Coast crack margins were corrected for prices effective February 4, 2013. Crack margins effective February 4 should have read: ANS 20.180, Arab Berri 20.760, Arab Light 17.560, Basrah Light 18.980, Escalante 7.935, Kern River 19.460, Line 63 17.530, Minas 12.740, Mixed Light Sweet 42.460, Oriente 25.980, Thums 20.400. West Coast crack margins are published on PGA page MH0810, in the Latin American Wire, and in the Platts database, under the following codes: ANS TNAADMR, Arab Berri TNAATMR, Arab Light TNACXMR, Basrah Light TNAGLMR, Escalante TNAKNMR, Kern River TNAMVMR, Line 63 TNANXMR, Minas TNATCMR, Mixed Light Sweet TNARDMR, Oriente TNAQVMR, Thums TNASZMR.