Exhibit 12.1

Corporate Office Properties Trust

Ratio of Earnings to Combined Fixed Charges and Preferred Share Dividends
(Dollars in thousands)

 

 

Three months
ended
March 31,
2006

 

Earnings:

 

 

 

Income from continuing operations before equity in loss of unconsolidated entities, income taxes and minority interests

 

$

9,001

 

Gain on sales of real estate, excluding discontinued operations

 

135

 

Combined fixed charges and preferred share dividends (from below)

 

25,403

 

Amortization of capitalized interest

 

107

 

Distributed loss of equity investees

 

(28

)

Subtract:

 

 

 

Capitalized interest (from below)

 

(3,130

)

Preferred share dividends

 

(3,654

)

Preferred unit distributions

 

(165

)

Total earnings

 

$

27,669

 

 

 

 

 

 

 

 

 

Combined fixed charges and preferred share dividends:

 

 

 

Interest expense on continuing operations

 

$

17,584

 

Interest expense on discontinued operations

 

131

 

Capitalized interest

 

3,130

 

Amortization of debt issuance costs-expensed

 

559

 

Amortization of debt issuance costs-capitalized

 

59

 

Interest included in rental expense

 

121

 

Preferred share dividends

 

3,654

 

Preferred unit distributions

 

165

 

Total combined fixed charges and preferred share dividends

 

$

25,403

 

 

 

 

 

Ratio of earnings to combined fixed
charges and preferred share dividends

 

1.09