Crude Oil Supply

February 2012 Crude Oil Price Bulletin

Bulletin
Number

Effective
Date

ND
Williston Basin
Sweet

ND
Williston Basin
Sour

TX
West
Intermediate

02/01/2012

81.25

72.00

94.00

02/02/2012

80.00

70.75

92.75

02/03/2012

81.50

72.25

94.25

EDQ

80.9167

71.6667

93.6667

Gravity Adjustment

1 Less $0.015/bbl for each .1 degree API above 44.9 degrees API. Less $0.02/bbl for each full
degree API below 40.9 degrees API.

2 Less $0.015/bbl for each .1 degree API above 44.9 degrees API. Less $0.10/bbl for each full
degree API below 40.9 degrees API.