Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUE:
Rental income		$ 78,135	$ 71,852	$ 221,100	$ 207,318
Other property income		4,204	4,124	12,137	11,208
Total revenue		82,339	75,976	233,237	218,526
EXPENSES:
Rental expenses		21,177	20,591	60,877	58,634
Real estate taxes		8,535	7,396	23,975	20,446
General and administrative		4,958	4,513	15,171	13,456
Depreciation and amortization		21,192	17,992	63,360	53,159
Total operating expenses		55,862	50,492	163,383	145,695
OPERATING INCOME		26,477	25,484	69,854	72,831
Interest expense		(13,873)	(13,049)	(39,856)	(39,148)
Other (expense) income, net		(99)	(577)	403	(454)
NET INCOME		12,505	11,858	30,401	33,229
Net income attributable to restricted shares		(60)	(42)	(181)	(128)
Net income attributable to unitholders in the Operating Partnership		(3,351)	(3,342)	(8,220)	(9,377)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 9,094	$ 8,474	$ 22,000	$ 23,724
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.19	$ 0.19	$ 0.47	$ 0.52
Weighted average shares of common stock outstanding-basic (in shares)		46,898,086	45,377,719	46,650,403	45,282,643
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.19	$ 0.19	$ 0.47	$ 0.52
Weighted average shares of common stock outstanding-diluted (in shares)		64,093,066	63,272,702	64,081,697	63,180,637
Dividends declared per common share (in USD per share)		$ 0.26	$ 0.25	$ 0.78	$ 0.75
COMPREHENSIVE INCOME
Other comprehensive (loss) - unrealized (loss) on swap derivative during the period		$ 87	$ 2,432	$ (1,427)	$ (11,443)
Reclassification of amortization of forward-starting swap included in interest expense		(319)	(58)	(794)	(173)
Comprehensive income		12,273	14,232	28,180	21,613
Comprehensive income attributable to non-controlling interest		(3,263)	(4,018)	(7,447)	(6,086)
Comprehensive income attributable to American Assets Trust, Inc.		9,010	10,214	20,733	15,527
American Assets Trust, L.P.
REVENUE:
Rental income		78,135	71,852	221,100	207,318
Other property income		4,204	4,124	12,137	11,208
Total revenue		82,339	75,976	233,237	218,526
EXPENSES:
Rental expenses		21,177	20,591	60,877	58,634
Real estate taxes		8,535	7,396	23,975	20,446
General and administrative		4,958	4,513	15,171	13,456
Depreciation and amortization		21,192	17,992	63,360	53,159
Total operating expenses		55,862	50,492	163,383	145,695
OPERATING INCOME		26,477	25,484	69,854	72,831
Interest expense		(13,873)	(13,049)	(39,856)	(39,148)
Other (expense) income, net		(99)	(577)	403	(454)
NET INCOME		12,505	11,858	30,401	33,229
Net income attributable to restricted shares		(60)	(42)	(181)	(128)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 12,445	$ 11,816	$ 30,220	$ 33,101
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.19	$ 0.19	$ 0.47	$ 0.52
Weighted average shares of common stock outstanding-basic (in shares)		64,093,066	63,272,702	64,081,697	63,180,637
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.19	$ 0.19	$ 0.47	$ 0.52
Weighted average shares of common stock outstanding-diluted (in shares)		64,093,066	63,272,702	64,081,697	63,180,637
Distributions per unit (in USD per share)		$ 0.26	$ 0.25	$ 0.78	$ 0.75
COMPREHENSIVE INCOME
Other comprehensive (loss) - unrealized (loss) on swap derivative during the period		$ 87	$ 2,432	$ (1,427)	$ (11,443)
Reclassification of amortization of forward-starting swap included in interest expense		(319)	(58)	(794)	(173)
Comprehensive income		12,273	14,232	28,180	21,613
Limited Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME	[1]			8,220
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.		(3,263)	(4,018)	(7,447)	(6,086)
General Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME	[2]			22,181
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.		$ 9,010	$ 10,214	$ 20,733	$ 15,527

[1] Consists of limited partnership interests held by third parties.

[2] Consists of general partnership interests held by American Assets Trust, Inc.