Year Ended

Three Months Ended

2002

2003

2004

2005

2006

March 31, 2007

Earnings

Income from continuing operations before minority interests

$

17,951

$

20,376

$

33,148

$

50,986

$

45,828

$

12,322

Add: Fixed charges (interest expense, amortization of debt issue costs and minority interest expense)

21,091

19,487

12,419

8,659

7,371

1,334

Amortization of capitalized interest

—

—

—

—

—

—

Distributed income of equity investees

—

—

—

—

—

—

Share of pre-tax losses of equity investees

—

—

—

—

—

—

Less:

Capitalized interest

—

—

—

—

—

—

Minority interest expense on consolidated subsidiaries

(1,308

)

(1,300

)

(896

)

(349

)

(343

)

(86

)

Minority interest in pre-tax income that have not incurred fixed charges (equity method investees)

—

—

—

—

—

—

Total Earnings

$

37,734

$

38,563

$

44,671

$

59,296

$

52,856

$

13,570

Fixed Charges

Interest expense (includes amortization of debt issue costs)

$

19,783

$

18,187

$

11,523

$

8,310

$

7,028

$

1,248

Estimated interest in rental expense

—

—

—

—

—

—

Minority interest expense on consolidated subsidiaries

1,308

1,300

896

349

343

86

Total Fixed Charges

$

21,091

$

19,487

$

12,419

$

8,659

$

7,371

$

1,334

Preferred Dividends

$

15,042

$

16,596

$

17,356

$

17,343

$

17,157

$

4,239

Ratio of earnings to fixed charges

1.79

1.98

3.60

6.85

7.17

10.2

Ratio of earnings to fixed charges and preferred dividends

1.04

1.07

1.50

2.28

2.15

2.43