FIRST POTOMAC REALTY TRUST - FORM 10-K - EX-12 - EXHIBIT 12

file	filename
EX-23 - EXHIBIT 23 - FIRST POTOMAC REALTY TRUST	c13846exv23.htm
EX-21 - EXHIBIT 21 - FIRST POTOMAC REALTY TRUST	c13846exv21.htm
EX-4.6 - EXHIBIT 4.6 - FIRST POTOMAC REALTY TRUST	c13846exv4w6.htm
EX-32.2 - EXHIBIT 32.2 - FIRST POTOMAC REALTY TRUST	c13846exv32w2.htm
EX-31.2 - EXHIBIT 31.2 - FIRST POTOMAC REALTY TRUST	c13846exv31w2.htm
EX-31.1 - EXHIBIT 31.1 - FIRST POTOMAC REALTY TRUST	c13846exv31w1.htm
EX-32.1 - EXHIBIT 32.1 - FIRST POTOMAC REALTY TRUST	c13846exv32w1.htm
EX-10.19 - EXHIBIT 10.19 - FIRST POTOMAC REALTY TRUST	c13846exv10w19.htm
EX-10.41 - EXHIBIT 10.41 - FIRST POTOMAC REALTY TRUST	c13846exv10w41.htm
EX-10.39 - EXHIBIT 10.39 - FIRST POTOMAC REALTY TRUST	c13846exv10w39.htm
EX-10.40 - EXHIBIT 10.40 - FIRST POTOMAC REALTY TRUST	c13846exv10w40.htm
10-K - FORM 10-K - FIRST POTOMAC REALTY TRUST	c13846e10vk.htm

EXHIBIT 12

FIRST POTOMAC REALTY TRUST AND SUBSIDIARIES
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
(amounts in thousands)


	2010			2009			2008			2007			2006
(Loss) income from continuing operations before taxes	$	(11,473	)	$	3,436		$	3,967		$	(3,947	)	$	(452	)
Add (deduct):
Fixed charges		34,850			33,052			37,743			38,383			28,689
Capitalized interest		(811	)		(359	)		(1,586	)		(1,312	)		(318	)

Adjusted earnings	$	22,566		$	36,129		$	40,124		$	33,124		$	27,919


Fixed charges:
Interest expense	$	33,758		$	32,412		$	35,873		$	36,789		$	28,092
Rent expense representative of interest factor		281			281			284			282			279
Capitalized interest		811			359			1,586			1,312			318

Total fixed charges	$	34,850		$	33,052		$	37,743		$	38,383		$	28,689


Ratio of earnings to fixed charges		—			1.09			1.06			—			—
Deficiency of earnings to fixed charges	$	(12,284	)	$	—		$	—		$	(5,259	)	$	(770	)

FIRST POTOMAC REALTY TRUST - FORM 10-K - EX-12 - EXHIBIT 12 - March 10, 2011