Segment Information (Tables)

9 Months Ended

Sep. 30, 2012

Schedule Of Segment Information By Geographic Area And Property Type

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	161,479		$	120,270		$	15,234		$	54,137		$	87,119		$	438,239
Office/Technical		5,539			—			—			148			4,099			9,786
Residential		995			—			—			—			4,501			5,496
Hotel		9,359			—			—			—			—			9,359
Total		177,372			120,270			15,234			54,285			95,719			462,880
% of Grand Totals		38.32	%		25.98	%		3.29	%		11.73	%		20.68	%		100.0	%
Rental Expenses:
Class A Office		65,261			41,088			7,185			21,684			28,116			163,334
Office/Technical		1,758			—			—			52			941			2,751
Residential		490			—			—			—			2,364			2,854
Hotel		6,886			—			—			—			—			6,886
Total		74,395			41,088			7,185			21,736			31,421			175,825
% of Grand Totals		42.31	%		23.37	%		4.09	%		12.36	%		17.87	%		100.0	%
Net operating income	$	102,977		$	79,182		$	8,049		$	32,549		$	64,298		$	287,055
% of Grand Totals		35.87	%		27.59	%		2.80	%		11.34	%		22.40	%		100.0	%

For the three months ended September 30, 2011:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	141,024		$	115,284		$	15,495		$	53,978		$	94,551		$	420,332
Office/Technical		6,460			—			—			—			4,235			10,695
Residential		284			—			—			—			2,169			2,453
Hotel		8,045			—			—			—			—			8,045
Total		155,813			115,284			15,495			53,978			100,955			441,525
% of Grand Totals		35.29	%		26.11	%		3.51	%		12.23	%		22.86	%		100.0	%
Rental Expenses:
Class A Office		55,308			39,331			7,189			20,788			25,758			148,374
Office/Technical		1,876			—			—			—			1,108			2,984
Residential		270			—			—			—			2,148			2,418
Hotel		6,032			—			—			—			—			6,032
Total		63,486			39,331			7,189			20,788			29,014			159,808
% of Grand Totals		39.73	%		24.61	%		4.50	%		13.01	%		18.15	%		100.0	%
Net operating income	$	92,327		$	75,953		$	8,306		$	33,190		$	71,941		$	281,717
% of Grand Totals		32.77	%		26.96	%		2.95	%		11.78	%		25.54	%		100.0	%

For the nine months ended September 30, 2012:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	460,127		$	360,515		$	45,701		$	159,984		$	266,259		$	1,292,586
Office/Technical		16,882			—			—			344			12,245			29,471
Residential		2,891			—			—			—			12,122			15,013
Hotel		26,224			—			—			—			—			26,224
Total		506,124			360,515			45,701			160,328			290,626			1,363,294
% of Grand Totals		37.13	%		26.44	%		3.35	%		11.76	%		21.32	%		100.0	%
Rental Expenses:
Class A Office		183,601			118,531			22,234			62,892			83,861			471,119
Office/Technical		4,910			—			—			114			2,952			7,976
Residential		1,247			—			—			—			6,896			8,143
Hotel		19,601			—			—			—			—			19,601
Total		209,359			118,531			22,234			63,006			93,709			506,839
% of Grand Totals		41.31	%		23.38	%		4.39	%		12.43	%		18.49	%		100.0	%
Net operating income	$	296,765		$	241,984		$	23,467		$	97,322		$	196,917		$	856,455
% of Grand Totals		34.65	%		28.26	%		2.74	%		11.36	%		22.99	%		100.0	%

For the nine months ended September 30, 2011:

	Boston			New York			Princeton			San Francisco			Washington, DC			Total
Rental Revenue:
Class A Office	$	403,325		$	341,698		$	47,585		$	161,039		$	263,346		$	1,216,993
Office/Technical		19,057			—			—			—			12,177			31,234
Residential		284			—			—			—			2,745			3,029
Hotel		22,897			—			—			—			—			22,897
Total		445,563			341,698			47,585			161,039			278,268			1,274,153
% of Grand Totals		34.97	%		26.82	%		3.73	%		12.64	%		21.84	%		100.0	%
Rental Expenses:
Class A Office		153,849			114,423			22,591			60,241			73,291			424,395
Office/Technical		5,522			—			—			—			3,242			8,764
Residential		270			—			—			—			2,871			3,141
Hotel		18,052			—			—			—			—			18,052
Total		177,693			114,423			22,591			60,241			79,404			454,352
% of Grand Totals		39.11	%		25.18	%		4.97	%		13.26	%		17.48	%		100.0	%
Net operating income	$	267,870		$	227,275		$	24,994		$	100,798		$	198,864		$	819,801
% of Grand Totals		32.67	%		27.72	%		3.05	%		12.30	%		24.26	%		100.0	%

Schedule Of Reconciliation Of Net Operating Income To Net Income

	Three months ended September 30,					Nine months ended September 30,
	2012		2011			2012		2011
Net Operating Income	$	287,055	$	281,717		$	856,455	$	819,801
Add:
Development and management services income		8,024		8,178			25,734		24,699
Income from unconsolidated joint ventures		9,217		11,326			42,129		28,184
Interest and other income		4,001		1,252			8,029		4,179
Gains (losses) from investments in securities		587		(860	)		1,202		(481	)
Income (loss) from discontinued operations		—		20			884		(60	)
Gain on sale of real estate from discontinued operations		—		—			36,877		—
Gain on forgiveness of debt from discontinued operations		—		—			17,807		—
Less:
General and administrative expense		19,757		16,917			66,442		60,281
Transaction costs		1,140		474			3,252		1,907
Depreciation and amortization expense		111,360		108,674			331,943		327,526
Interest expense		105,030		95,117			308,168		288,225
Losses from early extinguishments of debt		5,494		—			4,453		—
Noncontrolling interest in property partnerships		458		86			1,461		1,118
Noncontrolling interest—redeemable preferred units of the Operating Partnership		874		832			2,440		2,497
Noncontrolling interest—common units of the Operating Partnership		7,002		8,989			23,393		23,417
Noncontrolling interest in discontinued operations—common units of the Operating Partnership		—		2			6,092		(8	)
Net income attributable to Boston Properties, Inc.	$	57,769	$	70,542		$	241,473	$	171,359