Three Months
Ended
June 30,
2012

Three Months
Ended
June 30,
2011

Six Months
Ended
June 30,
2012

Six Months
Ended
June 30,
2011

Numerator:

Loss from Continuing Operations

$

(12,753

)

$

(3,322

)

$

(17,840

)

$

(9,146

)

Preferred Unit Distributions

(4,798

)

(4,947

)

(9,560

)

(9,874

)

Loss from Continuing Operations Available to Unitholders

$

(17,551

)

$

(8,269

)

$

(27,400

)

$

(19,020

)

Income from Discontinued Operations Available to Unitholders

$

2,409

$

3,234

$

8,600

$

4,657

Net Loss Available to Unitholders

$

(15,142

)

$

(5,035

)

$

(18,800

)

$

(14,363

)

Denominator:

Weighted Average Units — Basic and Diluted

93,106,227

85,028,883

92,458,387

80,540,253

Basic and Diluted EPU:

Loss from Continuing Operations Available to Unitholders

$

(0.19

)

$

(0.10

)

$

(0.30

)

$

(0.24

)

Income from Discontinued Operations Available to Unitholders

$

0.03

$

0.04

$

0.09

$

0.06

Net Loss Available to Unitholders

$

(0.16

)

$

(0.06

)

$

(0.20

)

$

(0.18

)