Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
REVENUE:
Rental income		$ 76,892	$ 72,925	$ 153,093	$ 142,965
Other property income		8,131	4,181	12,662	7,933
Total revenue		85,023	77,106	165,755	150,898
EXPENSES:
Rental expenses		20,882	19,841	41,302	39,700
Real estate taxes		8,628	7,904	17,174	15,440
General and administrative		5,396	5,131	10,963	10,213
Depreciation and amortization		32,868	24,182	66,147	42,168
Total operating expenses		67,774	57,058	135,586	107,521
OPERATING INCOME		17,249	20,048	30,169	43,377
Interest expense		(12,688)	(12,652)	(26,508)	(25,983)
Other (expense) income, net		(148)	192	61	502
NET INCOME		4,413	7,588	3,722	17,896
Net income attributable to restricted shares		(216)	(61)	(144)	(121)
Net income attributable to unitholders in the Operating Partnership		(1,125)	(2,008)	(959)	(4,869)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 3,072	$ 5,519	$ 2,619	$ 12,906
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.07	$ 0.12	$ 0.06	$ 0.28
Weighted average shares of common stock outstanding-basic (in shares)		46,939,449	46,871,377	46,937,645	46,524,510
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.07	$ 0.12	$ 0.06	$ 0.28
Weighted average shares of common stock outstanding-diluted (in shares)		64,132,520	64,089,081	64,131,665	64,075,919
Dividends declared per common share (in USD per share)		$ 0.27	$ 0.26	$ 0.54	$ 0.52
COMPREHENSIVE INCOME
Other comprehensive income (loss) - unrealized income (loss) on swap derivative during the period		$ 875	$ (518)	$ 3,736	$ (1,514)
Reclassification of amortization of forward-starting swap included in interest expense		(319)	(330)	(639)	(475)
Comprehensive income		4,969	6,740	6,819	15,907
Comprehensive income attributable to non-controlling interest		1,271	1,700	1,773	4,184
Comprehensive income attributable to American Assets Trust, Inc.		3,698	5,040	5,046	11,723
American Assets Trust, L.P.
REVENUE:
Rental income		76,892	72,925	153,093	142,965
Other property income		8,131	4,181	12,662	7,933
Total revenue		85,023	77,106	165,755	150,898
EXPENSES:
Rental expenses		20,882	19,841	41,302	39,700
Real estate taxes		8,628	7,904	17,174	15,440
General and administrative		5,396	5,131	10,963	10,213
Depreciation and amortization		32,868	24,182	66,147	42,168
Total operating expenses		67,774	57,058	135,586	107,521
OPERATING INCOME		17,249	20,048	30,169	43,377
Interest expense		(12,688)	(12,652)	(26,508)	(25,983)
Other (expense) income, net		(148)	192	61	502
NET INCOME		4,413	7,588	3,722	17,896
Net income attributable to restricted shares		(216)	(61)	(144)	(121)
NET INCOME ATTRIBUTABLE TO AMERICAN ASSETS TRUST, INC. STOCKHOLDERS		$ 4,197	$ 7,527	$ 3,578	$ 17,775
EARNINGS PER COMMON SHARE
Earnings per common share, basic (in USD per share)		$ 0.07	$ 0.12	$ 0.06	$ 0.28
Weighted average shares of common stock outstanding-basic (in shares)		64,132,520	64,089,081	64,131,665	64,075,919
EARNINGS PER COMMON SHARE, DILUTED
Earnings per common share, diluted (in USD per share)		$ 0.07	$ 0.12	$ 0.06	$ 0.28
Weighted average shares of common stock outstanding-diluted (in shares)		64,132,520	64,089,081	64,131,665	64,075,919
Distributions per unit (in USD per share)		$ 0.27	$ 0.26	$ 0.54	$ 0.52
COMPREHENSIVE INCOME
Other comprehensive income (loss) - unrealized income (loss) on swap derivative during the period		$ 875	$ (518)	$ 3,736	$ (1,514)
Reclassification of amortization of forward-starting swap included in interest expense		(319)	(330)	(639)	(475)
Comprehensive income		4,969	6,740	6,819	15,907
Limited Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME	[1]			959
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.		(1,271)	(1,700)	(1,773)	(4,184)
General Partner | American Assets Trust, L.P.
EXPENSES:
NET INCOME	[2]			2,763
COMPREHENSIVE INCOME
Comprehensive income attributable to American Assets Trust, Inc.		$ 3,698	$ 5,040	$ 5,046	$ 11,723

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

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