Brandywine Operating Partnership, L.P.
Computation of Ratio of Earnings to Fixed Charges
(in thousands)

			For the three months ended June 30, 2004			For the six months ended June 30, 2004			For the years ended December 31,
									2003			2002			2001			2000			1999
Earnings before fixed charges:
Add:
	Income from continuing operations (a)	$	18,846		$	32,355		$	84,975		$	57,518		$	28,245		$	48,250		$	29,755
	Fixed charges – per below		13,121			26,702			62,407			69,881			76,558			77,535			73,584
Less:
	Income from equity method investments not distributed		(126	)		(126	)		—			—			—			(2,961	)		—
	Capitalized interest		(595	)		(991	)		(1,503	)		(2,949	)		(5,178	)		(8,182	)		(2,100	)
Earnings before fixed charges		$	31,246		$	57,940		$	145,879		$	124,450		$	99,625		$	114,642		$	101,239
Fixed charges:
Interest expense (including amortization)		$	11,948		$	24,052		$	57,835		$	63,522		$	67,496		$	64,746		$	69,800
Capitalized interest			595			991			1,503			2,949			5,178			8,182			2,100
Proportionate share of interest for unconsolidated subsidiaries			578			1,659			3,069			3,410			3,884			4,607			1,684
	Total Fixed Charges	$	13,121		$	26,702		$	62,407		$	69,881		$	76,558		$	77,535		$	73,584
Ratio of earnings to fixed charges			2.38			2.17			2.34			1.78			1.30			1.48			1.38

(a) Amounts for the years ended December 31, 2003, 2002, 2001, 2000 and 1999 have been reclassified to present properties identified as held for sale consistent with the presentation for the period ended June 30, 2004. As a result, operations have been reclassified to discontinued operations from continuing operations for all periods presented.