Platts to assess WCS ex-Cushing crude

Effective June 1, 2012, Platts will start assessing WCS (Western Canada Select) ex-Cushing crude.

The $/Bbl daily assessments will be published on PGA page 230. The daily C$/CM assessment will be published on PGA 232. Monthly averages for $/Bbl will be published PGA page 231 and monthly averages for C$/CMA on PGA page 233.

All daily assessments will be published in Platts Oilgram Price report (OPR).

Monthly averages will also be published in Platts Price Average Supplement.

Monthly averages for June 2012 will be run on July 1, 2012.