Unaudited

(dollars in thousands)

Year ended December 31,

2006

2007

2008

2009

2010

COMPUTATION OF EARNINGS

Income (loss) from continuing operations before income taxes and fixed charges

$

17,933

$

27,141

$

(44,741)

$

(48,317)

$

(49,010)

Add:

Fixed charges

1,121

3,738

14,377

16,164

20,073

Subtract:

Minority interest in pretax income of subsidiaries that have not incurred fixed charges

-

916

-

-

-

Earnings (loss), as defined

$

19,054

$

29,963

$

(30,364)

$

(32,153)

$

(28,937)

COMPUTATION OF FIXED CHARGES AND PREFFERED STOCK DIVIDENDS:

Interest expense (no capitalized interest)

$

1,005

$

3,501

$ 13,894

$

15,524

$

19,399

Estimate of interest within rental expense ⁽¹⁾

116

237

483

640

674

Fixed charges, as defined

1,121

3,738

14,377

16,164

20,073

Dividends on preferred stock and accretion of discount ⁽²⁾

-

-

-

2,231

6,543

Combined fixed charges, preferred stock dividends and accretion of discount

$

1,121

$

3,738

$

14,377

$

18,395

$

26,616

Ratio of earnings to fixed charges

17.00

8.02

N/A

N/A

N/A

Deficiency of earnings to cover fixed charges

N/A

N/A

$

(44,741)

$

(48,317)

$

(49,010)

Ratio of earnings to fixed charges and preferred stock dividends

17.00

8.02

N/A

N/A

N/A

Deficiency of earnings to cover combined fixed charges and preferred stock dividends

N/A

N/A

$

(44,741)

$

(50,548)

$

(55,553)

(1) One third of rental expense is deemed to be representative of interest.

(2) Amount has not been grossed up to a pre-tax amount due to a negative effective tax rate.