SUBSCRIBER NOTE: Platts corrects December 13 Line 63 cracking, coking margins

Effective December 13, 2013, the US West Coast Line 63 cracking margin should have read $2.77/b, and the US West Coast Line 63 coking margin should have read $6.29/b. USWC Line 63 margins are published on Platts Global Alert pages 840 and 842, in the Crude Oil Marketwire, and in Platts Market Data under the codes TNANVMR (coking) and TNANXMR (cracking).