SIGNIFICANT CUSTOMERS

12 Months Ended

Dec. 31, 2011

NOTE 13 - SIGNIFICANT CUSTOMERS

The following table indicates our significant customers which accounted for more than 10% of our total revenues for the periods indicated:

	Partnership				Predecessor
	2011(1)		2010(1)		2010		2009
ConocoPhillips		16%		13%		(2)		(2)
Plains Marketing LP		13%		14%		(2)		10%
Shell Trading US Company		(2)		12%		45%		24%
Sunoco Inc R&M		(2)		10%		10%		12%
ExxonMobil Corporation		17%		11%		(2)		(2)

(1)

In 2011 and 2010 these percentages are reflective as if the Partnership owned all acquired properties for the entire year.

(2)

These customers accounted for less than 10% of total revenues for the periods indicated.

Because there are numerous other parties available to purchase our oil and gas production, we believe that the loss of any individual purchaser would not materially affect its ability to sell its natural gas or crude oil production.