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WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
CORPORATE BONDS & NOTES - 94.6%
COMMUNICATION SERVICES - 11.4%
Diversified Telecommunication Services - 4.1%
AT&T Inc., Senior Notes		4.500	%		5/15/35		370,000	$	412,274
AT&T Inc., Senior Notes		4.900	%		6/15/42		250,000		283,705
AT&T Inc., Senior Notes		4.800	%		6/15/44		290,000		324,510
AT&T Inc., Senior Notes		4.500	%		3/9/48		422,000		463,292
AT&T Inc., Senior Notes (3 mo. USD LIBOR + 1.180%)		3.616	%		6/12/24		760,000		772,321	^(a)
British Telecommunications PLC, Senior Notes		9.625	%		12/15/30		1,550,000		2,375,063
Telefonica Emisiones SAU, Senior Notes		7.045	%		6/20/36		140,000		191,057
Verizon Communications Inc., Senior Notes		5.150	%		9/15/23		2,460,000		2,766,448
Verizon Communications Inc., Senior Notes		4.329	%		9/21/28		218,000		250,421
Verizon Communications Inc., Senior Notes		5.500	%		3/16/47		1,130,000		1,518,256

Total Diversified Telecommunication Services									9,357,347

Entertainment - 1.6%
Walt Disney Co., Senior Notes		6.650	%		11/15/37		2,400,000		3,633,120	^(b)

Media - 4.7%
Charter Communications Operating LLC/Charter Communications Operating Capital Corp., Senior Secured Notes		6.384	%		10/23/35		180,000		219,972
Charter Communications Operating LLC/Charter Communications Operating Capital Corp., Senior Secured Notes		6.484	%		10/23/45		420,000		519,920
Charter Communications Operating LLC/Charter Communications Operating Capital Corp., Senior Secured Notes		5.375	%		5/1/47		560,000		622,718
Comcast Corp., Senior Notes		6.400	%		5/15/38		2,500,000		3,604,050
Discovery Communications LLC, Senior Notes		4.125	%		5/15/29		160,000		171,287
Discovery Communications LLC, Senior Notes		5.300	%		5/15/49		80,000		91,429
DISH DBS Corp., Senior Notes		7.875	%		9/1/19		690,000		690,000
Fox Corp., Senior Notes		5.476	%		1/25/39		810,000		1,015,656	^(b)
Time Warner Cable LLC, Senior Secured Notes		6.550	%		5/1/37		370,000		448,521
Time Warner Cable LLC, Senior Secured Notes		7.300	%		7/1/38		330,000		423,797
Time Warner Cable LLC, Senior Secured Notes		6.750	%		6/15/39		20,000		24,634
Time Warner Cable LLC, Senior Secured Notes		5.500	%		9/1/41		200,000		218,746
Time Warner Entertainment Co. LP, Senior Secured Notes		8.375	%		3/15/23		1,170,000		1,389,852
Time Warner Entertainment Co. LP, Senior Secured Notes		8.375	%		7/15/33		370,000		519,357

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Media - (continued)
UBM PLC, Senior Notes		5.750	%		11/3/20		740,000	$	763,803	^(b)
Viacom Inc., Senior Notes		5.250	%		4/1/44		80,000		93,819

Total Media									10,817,561

Wireless Telecommunication Services - 1.0%
Sprint Corp., Senior Notes		7.250	%		9/15/21		1,170,000		1,261,494
Sprint Corp., Senior Notes		7.875	%		9/15/23		120,000		135,300
Telefonica Europe BV, Senior Notes		8.250	%		9/15/30		390,000		568,934
Vodafone Group PLC, Senior Notes		5.250	%		5/30/48		400,000		479,376

Total Wireless Telecommunication Services									2,445,104

TOTAL COMMUNICATION SERVICES									26,253,132

CONSUMER DISCRETIONARY - 3.2%
Automobiles - 1.0%
Ford Motor Co., Senior Notes		9.215	%		9/15/21		640,000		717,844
Ford Motor Credit Co. LLC, Senior Notes		5.113	%		5/3/29		420,000		434,193
General Motors Co., Senior Notes		6.600	%		4/1/36		290,000		337,139
General Motors Co., Senior Notes		6.750	%		4/1/46		580,000		691,129

Total Automobiles									2,180,305

Hotels, Restaurants & Leisure - 1.0%
Marriott International Inc., Senior Notes		3.600	%		4/15/24		320,000		337,916
McDonald’s Corp., Senior Notes		4.700	%		12/9/35		260,000		314,400
McDonald’s Corp., Senior Notes		4.875	%		12/9/45		370,000		458,573
MGM China Holdings Ltd., Senior Notes		5.875	%		5/15/26		200,000		208,500	^(b)
Sands China Ltd., Senior Notes		5.125	%		8/8/25		690,000		765,969
Sands China Ltd., Senior Notes		5.400	%		8/8/28		200,000		231,321

Total Hotels, Restaurants & Leisure									2,316,679

Household Durables - 0.3%
Lennar Corp., Senior Notes		5.000	%		6/15/27		390,000		419,738
MDC Holdings Inc., Senior Notes		6.000	%		1/15/43		250,000		257,500

Total Household Durables									677,238

Internet & Direct Marketing Retail - 0.2%
Amazon.com Inc., Senior Notes		3.875	%		8/22/37		410,000		479,001

Specialty Retail - 0.7%
Home Depot Inc., Senior Notes		3.900	%		12/6/28		930,000		1,060,813
Target Corp., Senior Notes		3.375	%		4/15/29		540,000		592,578

Total Specialty Retail									1,653,391

TOTAL CONSUMER DISCRETIONARY									7,306,614

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
CONSUMER STAPLES - 4.1%
Beverages - 1.1%
Anheuser-Busch InBev Worldwide Inc., Senior Notes		4.600	%		4/15/48		1,730,000	$	2,013,600
Constellation Brands Inc., Senior Notes		4.250	%		5/1/23		100,000		107,194
PepsiCo Inc., Senior Notes		2.625	%		7/29/29		300,000		312,075

Total Beverages									2,432,869

Food & Staples Retailing - 0.4%
Kroger Co., Senior Notes		4.650	%		1/15/48		50,000		53,732
Walgreen Co., Senior Notes		3.100	%		9/15/22		400,000		410,845
Walmart Inc., Senior Notes		4.050	%		6/29/48		360,000		448,707

Total Food & Staples Retailing									913,284

Food Products - 0.3%
Kraft Heinz Foods Co., Senior Notes		5.000	%		6/4/42		210,000		216,995
Kraft Heinz Foods Co., Senior Notes		5.200	%		7/15/45		20,000		21,127
Mars Inc., Senior Notes		2.700	%		4/1/25		220,000		227,657	^(b)
Mars Inc., Senior Notes		3.200	%		4/1/30		220,000		234,889	^(b)

Total Food Products									700,668

Tobacco - 2.3%
Altria Group Inc., Senior Notes		3.800	%		2/14/24		290,000		307,332
Altria Group Inc., Senior Notes		4.400	%		2/14/26		500,000		548,550
Altria Group Inc., Senior Notes		4.800	%		2/14/29		1,360,000		1,538,395
Altria Group Inc., Senior Notes		3.875	%		9/16/46		80,000		78,697
Philip Morris International Inc., Senior Notes		2.875	%		5/1/24		1,550,000		1,591,711
Reynolds American Inc., Senior Notes		8.125	%		5/1/40		470,000		650,722
Reynolds American Inc., Senior Notes		7.000	%		8/4/41		510,000		644,927

Total Tobacco									5,360,334

TOTAL CONSUMER STAPLES									9,407,155

ENERGY - 14.8%
Energy Equipment & Services - 0.5%
Halliburton Co., Senior Notes		5.000	%		11/15/45		930,000		1,042,748

Oil, Gas & Consumable Fuels - 14.3%
Anadarko Petroleum Corp., Senior Notes		4.850	%		3/15/21		598,000		618,355
Anadarko Petroleum Corp., Senior Notes		5.550	%		3/15/26		750,000		849,960
Andeavor Logistics LP/Tesoro Logistics Finance Corp., Senior Notes		5.250	%		1/15/25		500,000		525,917
Andeavor Logistics LP/Tesoro Logistics Finance Corp., Senior Notes		4.250	%		12/1/27		500,000		529,893
Apache Corp., Senior Notes		6.000	%		1/15/37		84,000		95,256
Apache Corp., Senior Notes		5.100	%		9/1/40		280,000		283,705

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Oil, Gas & Consumable Fuels - (continued)
Apache Corp., Senior Notes		5.250	%		2/1/42		160,000	$	165,258
Apache Corp., Senior Notes		4.750	%		4/15/43		670,000		648,743
Cimarex Energy Co., Senior Notes		4.375	%		6/1/24		960,000		1,012,837
Cimarex Energy Co., Senior Notes		3.900	%		5/15/27		250,000		255,960
Concho Resources Inc., Senior Notes		3.750	%		10/1/27		110,000		114,571
Concho Resources Inc., Senior Notes		4.300	%		8/15/28		280,000		304,946
ConocoPhillips, Senior Notes		6.500	%		2/1/39		1,500,000		2,206,178
Continental Resources Inc., Senior Notes		4.500	%		4/15/23		880,000		911,845
Continental Resources Inc., Senior Notes		4.375	%		1/15/28		430,000		441,678
Devon Energy Corp., Senior Notes		5.850	%		12/15/25		560,000		671,165
Devon Energy Corp., Senior Notes		5.600	%		7/15/41		20,000		24,678
Devon Energy Corp., Senior Notes		5.000	%		6/15/45		210,000		247,213
Ecopetrol SA, Senior Notes		5.875	%		5/28/45		404,000		476,219
Energy Transfer Operating LP, Senior Notes		7.500	%		10/15/20		420,000		442,771
Energy Transfer Operating LP, Senior Notes		4.200	%		9/15/23		510,000		539,511
Energy Transfer Operating LP, Senior Notes		5.250	%		4/15/29		20,000		22,907
Energy Transfer Operating LP, Senior Notes		6.625	%		10/15/36		20,000		24,558
Energy Transfer Operating LP, Senior Notes		5.800	%		6/15/38		60,000		69,964
Enterprise Products Operating LLC, Senior Notes		4.250	%		2/15/48		400,000		435,445
Enterprise Products Operating LLC, Senior Notes (5.375% to 2/15/28 then 3 mo. USD LIBOR + 2.570%)		5.375	%		2/15/78		570,000		556,274	^(a)
Exxon Mobil Corp., Senior Notes		2.440	%		8/16/29		110,000		112,693
Exxon Mobil Corp., Senior Notes		2.995	%		8/16/39		190,000		195,821
Kerr-McGee Corp., Senior Notes		6.950	%		7/1/24		1,320,000		1,561,873
Kerr-McGee Corp., Senior Notes		7.875	%		9/15/31		710,000		979,104
Kinder Morgan Inc., Senior Notes		7.800	%		8/1/31		900,000		1,251,590
MEG Energy Corp., Senior Notes		6.375	%		1/30/23		280,000		265,650	^(b)
MEG Energy Corp., Senior Notes		7.000	%		3/31/24		620,000		592,875	^(b)
MPLX LP, Senior Notes		4.800	%		2/15/29		660,000		734,554
MPLX LP, Senior Notes		4.500	%		4/15/38		600,000		619,788
NGPL PipeCo LLC, Senior Notes		4.875	%		8/15/27		60,000		63,920	^(b)
Noble Energy Inc., Senior Notes		6.000	%		3/1/41		660,000		783,534
Noble Energy Inc., Senior Notes		5.250	%		11/15/43		240,000		272,399
Occidental Petroleum Corp., Senior Notes		3.200	%		8/15/26		250,000		252,884
Occidental Petroleum Corp., Senior Notes		3.500	%		8/15/29		250,000		254,808
Occidental Petroleum Corp., Senior Notes		4.400	%		4/15/46		30,000		30,673
Petrobras Global Finance BV, Senior Notes		7.375	%		1/17/27		530,000		630,228
Petroleos Mexicanos, Senior Notes		6.875	%		8/4/26		730,000		767,230

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Oil, Gas & Consumable Fuels - (continued)
Petroleos Mexicanos, Senior Notes		6.625	%		6/15/35		460,000	$	449,650
Southern Natural Gas Co. LLC, Senior Notes		8.000	%		3/1/32		1,500,000		2,149,280
Sunoco Logistics Partners Operations LP, Senior Notes		3.900	%		7/15/26		630,000		652,250
Transcontinental Gas Pipe Line Co. LLC, Senior Notes		7.850	%		2/1/26		760,000		973,505
Transcontinental Gas Pipe Line Co. LLC, Senior Notes		7.250	%		12/1/26		180,000		225,177
Transcontinental Gas Pipe Line Co. LLC, Senior Notes		5.400	%		8/15/41		10,000		12,094
Transcontinental Gas Pipe Line Co. LLC, Senior Notes		4.450	%		8/1/42		860,000		954,408
Western Midstream Operating LP, Senior Notes		4.650	%		7/1/26		1,560,000		1,589,693
Western Midstream Operating LP, Senior Notes		4.750	%		8/15/28		890,000		902,015
Western Midstream Operating LP, Senior Notes		5.450	%		4/1/44		120,000		111,646
Williams Cos. Inc., Senior Notes		5.250	%		3/15/20		460,000		466,903
Williams Cos. Inc., Senior Notes		7.875	%		9/1/21		952,000		1,051,484
Williams Cos. Inc., Senior Notes		4.550	%		6/24/24		1,130,000		1,224,468
Williams Cos. Inc., Senior Notes		7.750	%		6/15/31		62,000		84,047
Williams Cos. Inc., Senior Notes		8.750	%		3/15/32		148,000		215,987

Total Oil, Gas & Consumable Fuels									32,908,038

TOTAL ENERGY									33,950,786

FINANCIALS - 30.2%
Banks - 17.7%
Banco Mercantil del Norte SA, Junior Subordinated Notes (7.500% to 6/27/29 then 10 year Treasury Constant Maturity Rate + 5.470%)		7.500	%		6/27/29		200,000		200,252	^(a)(b)(c)
Banco Mercantil del Norte SA, Junior Subordinated Notes (7.625% to 1/10/28 then 10 year Treasury Constant Maturity Rate + 5.353%)		7.625	%		1/10/28		400,000		401,620	^(a)(b)(c)
Bank of America Corp., Junior Subordinated Notes (6.100% to 3/17/25 then 3 mo. USD LIBOR + 3.898%)		6.100	%		3/17/25		590,000		643,522	^(a)(c)
Bank of America Corp., Junior Subordinated Notes (6.250% to 9/5/24 then 3 mo. USD LIBOR + 3.705%)		6.250	%		9/5/24		880,000		959,829	^(a)(c)
Bank of America Corp., Junior Subordinated Notes (6.500% to 10/23/24 then 3 mo. USD LIBOR + 4.174%)		6.500	%		10/23/24		400,000		448,286	^(a)(c)
Bank of America Corp., Senior Notes		5.875	%		2/7/42		1,340,000		1,923,335

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Banks - (continued)
Bank of America Corp., Senior Notes (3.458% to 3/15/24 then 3 mo. USD LIBOR + 0.970%)		3.458	%		3/15/25		110,000	$	115,631	^(a)
Bank of America Corp., Senior Notes (4.271% to 7/23/28 then 3 mo. USD LIBOR + 1.310%)		4.271	%		7/23/29		690,000		779,201	^(a)
Bank of America Corp., Subordinated Notes		7.750	%		5/14/38		670,000		1,047,047
Barclays Bank PLC, Subordinated Notes		7.625	%		11/21/22		430,000		474,382
Barclays PLC, Junior Subordinated Notes (7.750% to 9/15/23 then USD 5 year ICE Swap Rate + 4.842%)		7.750	%		9/15/23		320,000		327,029	^(a)(c)
Barclays PLC, Junior Subordinated Notes (8.000% to 6/15/24 then 5 year Treasury Constant Maturity Rate + 5.672%)		8.000	%		6/15/24		250,000		260,191	^(a)(c)
Barclays PLC, Subordinated Notes (5.088% to 6/20/29 then 3 mo. USD LIBOR + 3.054%)		5.088	%		6/20/30		500,000		519,830	^(a)
BNP Paribas SA, Junior Subordinated Notes (7.375% to 8/19/25 then USD 5 year ICE Swap Rate + 5.150%)		7.375	%		8/19/25		1,520,000		1,690,400	^(a)(b)(c)
BNP Paribas SA, Junior Subordinated Notes (7.625% to 3/30/21 then USD 5 year ICE Swap Rate + 6.314%)		7.625	%		3/30/21		240,000		253,884	^(a)(b)(c)
Citigroup Inc., Junior Subordinated Bonds (6.250% to 8/15/26 then 3 mo. USD LIBOR + 4.517%)		6.250	%		8/15/26		1,100,000		1,232,941	^(a)(c)
Citigroup Inc., Junior Subordinated Notes (6.300% to 5/15/24 then 3 mo. USD LIBOR + 3.423%)		6.300	%		5/15/24		1,350,000		1,433,990	^(a)(c)
Citigroup Inc., Senior Notes		8.125	%		7/15/39		752,000		1,258,320
Citigroup Inc., Senior Notes		4.650	%		7/23/48		420,000		528,792
Citigroup Inc., Subordinated Notes		4.600	%		3/9/26		490,000		539,586
Citigroup Inc., Subordinated Notes		4.125	%		7/25/28		2,290,000		2,499,234
Citigroup Inc., Subordinated Notes		6.675	%		9/13/43		630,000		934,924
Cooperatieve Rabobank UA, Senior Notes		5.750	%		12/1/43		250,000		343,179
Credit Agricole SA, Junior Subordinated Notes (8.125% to 12/23/25 then USD 5 year ICE Swap Rate + 6.185%)		8.125	%		12/23/25		1,370,000		1,601,751	^(a)(b)(c)
Credit Agricole SA, Junior Subordinated Notes (8.375% to 10/13/19 then 3 mo. USD LIBOR + 6.982%)		8.375	%		10/13/19		500,000		505,400	^(a)(b)(c)
Danske Bank A/S, Senior Notes		5.000	%		1/12/22		740,000		780,719	^(b)
Danske Bank A/S, Senior Notes		5.375	%		1/12/24		530,000		584,815	^(b)

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Banks - (continued)
HSBC Holdings PLC, Junior Subordinated Notes (6.375% to 9/17/24 then USD 5 year ICE Swap Rate + 3.705%)		6.375	%		9/17/24		800,000	$	820,076	^(a)(c)
HSBC Holdings PLC, Junior Subordinated Notes (6.500% to 3/23/28 then USD 5 year ICE Swap Rate + 3.606%)		6.500	%		3/23/28		460,000		473,156	^(a)(c)
Intesa Sanpaolo SpA, Subordinated Notes		5.710	%		1/15/26		1,470,000		1,552,027	^(b)
JPMorgan Chase & Co., Junior Subordinated Notes (6.000% to 8/1/23 then 3 mo. USD LIBOR + 3.300%)		6.000	%		8/1/23		700,000		746,001	^(a)(c)
JPMorgan Chase & Co., Senior Notes		6.400	%		5/15/38		1,500,000		2,188,711
JPMorgan Chase & Co., Subordinated Notes		5.625	%		8/16/43		760,000		1,042,483
Lloyds Banking Group PLC, Junior Subordinated Notes (6.750% to 6/27/26 then 5 year Treasury Constant Maturity Rate + 4.815%)		6.750	%		6/27/26		220,000		223,300	^(a)(c)
Lloyds Banking Group PLC, Junior Subordinated Notes (7.500% to 6/27/24 then USD 5 year ICE Swap Rate + 4.760%)		7.500	%		6/27/24		620,000		642,475	^(a)(c)
Lloyds Banking Group PLC, Junior Subordinated Notes (7.500% to 9/27/25 then USD 5 year ICE Swap Rate + 4.496%)		7.500	%		9/27/25		470,000		486,852	^(a)(c)
NatWest Markets NV, Subordinated Notes		7.750	%		5/15/23		820,000		942,533
PNC Bank NA, Subordinated Notes		4.050	%		7/26/28		650,000		728,155
Royal Bank of Scotland Group PLC, Junior Subordinated Notes (7.648% to 9/30/31 then 3 mo. USD LIBOR + 2.500%)		7.648	%		9/30/31		710,000		954,950	^(a)(c)
Royal Bank of Scotland Group PLC, Junior Subordinated Notes (8.625% to 8/15/21 then USD 5 year ICE Swap Rate + 7.598%)		8.625	%		8/15/21		950,000		1,008,188	^(a)(c)
Royal Bank of Scotland Group PLC, Subordinated Notes		6.100	%		6/10/23		840,000		911,474
U.S. Bancorp, Subordinated Notes		3.000	%		7/30/29		250,000		261,742
UniCredit SpA, Senior Notes		6.572	%		1/14/22		570,000		613,122	^(b)
UniCredit SpA, Subordinated Notes (7.296% to 4/2/29 then USD 5 year ICE Swap Rate + 4.914%)		7.296	%		4/2/34		1,610,000		1,820,024	^(a)(b)
Wachovia Capital Trust III Ltd., Junior Subordinated Bonds (the greater of 3 mo. USD LIBOR + 0.930% or 5.570%)		5.570	%		9/30/19		410,000		410,623	^(a)(c)
Wells Fargo & Co., Senior Notes (3.196% to 6/17/26 then 3 mo. USD LIBOR + 1.170%)		3.196	%		6/17/27		1,150,000		1,198,787	^(a)
Wells Fargo & Co., Subordinated Notes		4.400	%		6/14/46		420,000		488,258

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Banks - (continued)
Wells Fargo & Co., Subordinated Notes		4.750	%		12/7/46		530,000	$	650,263
Westpac Banking Corp., Subordinated Notes		4.421	%		7/24/39		170,000		190,850

Total Banks									40,642,140

Capital Markets - 5.5%
Charles Schwab Corp., Senior Notes		3.850	%		5/21/25		230,000		249,528
CME Group Inc., Senior Notes		5.300	%		9/15/43		750,000		1,043,550
Credit Suisse USA Inc., Senior Notes		7.125	%		7/15/32		70,000		103,804
Goldman Sachs Group Inc., Senior Notes		6.250	%		2/1/41		2,550,000		3,623,428
Goldman Sachs Group Inc., Senior Notes (2.908% to 6/5/22 then 3 mo. USD LIBOR + 1.053%)		2.908	%		6/5/23		1,100,000		1,119,826	^(a)
Goldman Sachs Group Inc., Subordinated Notes		5.150	%		5/22/45		70,000		85,058
Intercontinental Exchange Inc., Senior Notes		3.750	%		9/21/28		1,000,000		1,116,120
KKR Group Finance Co. III LLC, Senior Notes		5.125	%		6/1/44		1,300,000		1,549,052	^(b)
KKR Group Finance Co. VI LLC, Senior Notes		3.750	%		7/1/29		120,000		127,705	^(b)
Morgan Stanley, Senior Notes		5.500	%		1/26/20		1,950,000		1,974,718
Morgan Stanley, Senior Notes		6.375	%		7/24/42		140,000		207,516
Raymond James Financial Inc., Senior Notes		4.950	%		7/15/46		150,000		183,845
UBS AG Stamford, CT, Subordinated Notes		7.625	%		8/17/22		330,000		372,618
UBS Group Funding Switzerland AG, Junior Subordinated Notes (7.000% to 1/31/24 then USD 5 year ICE Swap Rate + 4.344%)		7.000	%		1/31/24		920,000		976,350	^(a)(b)(c)

Total Capital Markets									12,733,118

Consumer Finance - 1.7%
American Express Co., Senior Notes		2.500	%		7/30/24		1,240,000		1,264,784
Navient Corp., Senior Notes		7.250	%		1/25/22		1,430,000		1,573,000
Navient Corp., Senior Notes		6.125	%		3/25/24		480,000		511,800
Synchrony Financial, Senior Notes		2.850	%		7/25/22		520,000		527,229

Total Consumer Finance									3,876,813

Diversified Financial Services - 0.8%
Carlyle Finance LLC, Senior Notes		5.650	%		9/15/48		170,000		207,399	^(b)
Carlyle Holdings II Finance LLC, Senior Notes		5.625	%		3/30/43		360,000		431,657	^(b)
DAE Funding LLC, Senior Notes		5.000	%		8/1/24		240,000		251,760	^(b)
Global Aircraft Leasing Co. Ltd., Senior Notes (6.500% Cash or 7.250% PIK)		6.500	%		9/15/24		70,000		69,825	^(b)(d)
ILFC E-Capital Trust I, Ltd. GTD ((Highest of 3 mo. USD LIBOR, 10 year U.S. Treasury Constant Maturity Rate and 30 year U.S. Treasury Constant Maturity Rate) + 1.550%)		4.090	%		12/21/65		800,000		561,216	^(a)(b)
International Lease Finance Corp., Senior Notes		8.250	%		12/15/20		330,000		354,208

Total Diversified Financial Services									1,876,065

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Insurance - 4.1%
American International Group Inc., Senior Notes		6.400	%		12/15/20		1,000,000	$	1,054,059
American International Group Inc., Senior Notes		4.750	%		4/1/48		80,000		95,460
Delphi Financial Group Inc., Senior Notes		7.875	%		1/31/20		290,000		296,322
Fidelity & Guaranty Life Holdings Inc., Senior Notes		5.500	%		5/1/25		360,000		383,400	^(b)
Liberty Mutual Insurance Co., Subordinated Notes		7.875	%		10/15/26		840,000		1,072,568	^(b)
Massachusetts Mutual Life Insurance Co., Subordinated Notes		4.900	%		4/1/77		420,000		552,200	^(b)
MetLife Inc., Junior Subordinated Notes (6.400% to 12/15/36 then 3 mo. USD LIBOR + 2.205%)		6.400	%		12/15/66		1,000,000		1,168,405	^(a)
Nationwide Mutual Insurance Co., Subordinated Notes		9.375	%		8/15/39		520,000		901,284	^(b)
New York Life Insurance Co., Subordinated Notes		4.450	%		5/15/69		140,000		171,146	^(b)
Teachers Insurance & Annuity Association of America, Subordinated Notes		6.850	%		12/16/39		1,050,000		1,585,964	^(b)
Teachers Insurance & Annuity Association of America, Subordinated Notes		4.900	%		9/15/44		660,000		831,491	^(b)
Travelers Cos. Inc., Senior Notes		6.250	%		6/15/37		400,000		580,448
Trinity Acquisition PLC, Senior Notes		3.500	%		9/15/21		626,000		639,354

Total Insurance									9,332,101

Thrifts & Mortgage Finance - 0.4%
Quicken Loans Inc., Senior Notes		5.750	%		5/1/25		770,000		806,575	^(b)

TOTAL FINANCIALS									69,266,812

HEALTH CARE - 11.5%
Biotechnology - 1.1%
Celgene Corp., Senior Notes		2.750	%		2/15/23		1,100,000		1,124,074
Celgene Corp., Senior Notes		5.000	%		8/15/45		400,000		507,971
Gilead Sciences Inc., Senior Notes		5.650	%		12/1/41		100,000		132,657
Gilead Sciences Inc., Senior Notes		4.500	%		2/1/45		500,000		583,899
Gilead Sciences Inc., Senior Notes		4.750	%		3/1/46		100,000		121,771

Total Biotechnology									2,470,372

Health Care Equipment & Supplies - 1.1%
Abbott Laboratories, Senior Notes		2.900	%		11/30/21		460,000		469,196
Abbott Laboratories, Senior Notes		4.900	%		11/30/46		200,000		267,630
Becton Dickinson and Co., Senior Notes		4.685	%		12/15/44		1,110,000		1,321,744
Becton Dickinson and Co., Senior Notes		4.669	%		6/6/47		450,000		544,983

Total Health Care Equipment & Supplies									2,603,553

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Health Care Providers & Services - 7.4%
Anthem Inc., Senior Notes		4.375	%		12/1/47		630,000	$	707,626
Cigna Corp., Senior Notes		4.125	%		11/15/25		540,000		587,856
Cigna Corp., Senior Notes		4.800	%		8/15/38		540,000		625,310
CommonSpirit Health, Secured Notes		4.350	%		11/1/42		60,000		65,494
CVS Health Corp., Senior Notes		2.625	%		8/15/24		690,000		695,613
CVS Health Corp., Senior Notes		4.100	%		3/25/25		1,460,000		1,563,883
CVS Health Corp., Senior Notes		4.300	%		3/25/28		1,610,000		1,757,121
CVS Health Corp., Senior Notes		4.780	%		3/25/38		2,060,000		2,308,194
CVS Health Corp., Senior Notes		5.125	%		7/20/45		540,000		628,435
CVS Health Corp., Senior Notes		5.050	%		3/25/48		930,000		1,084,899
Dartmouth-Hitchcock Health, Secured Bonds		4.178	%		8/1/48		150,000		182,203
HCA Inc., Senior Secured Notes		4.125	%		6/15/29		340,000		362,472
HCA Inc., Senior Secured Notes		5.125	%		6/15/39		170,000		188,288
HCA Inc., Senior Secured Notes		5.500	%		6/15/47		350,000		402,620
HCA Inc., Senior Secured Notes		5.250	%		6/15/49		530,000		594,010
Humana Inc., Senior Notes		3.125	%		8/15/29		450,000		455,483
Humana Inc., Senior Notes		4.800	%		3/15/47		420,000		494,190
Magellan Health Inc., Senior Notes		4.900	%		9/22/24		1,140,000		1,143,990
Orlando Health Obligated Group, Senior Notes		4.089	%		10/1/48		270,000		322,999
UnitedHealth Group Inc., Senior Notes		2.375	%		8/15/24		880,000		894,420
UnitedHealth Group Inc., Senior Notes		3.700	%		12/15/25		250,000		272,480
UnitedHealth Group Inc., Senior Notes		3.850	%		6/15/28		540,000		601,311
UnitedHealth Group Inc., Senior Notes		2.875	%		8/15/29		450,000		469,468
UnitedHealth Group Inc., Senior Notes		3.500	%		8/15/39		220,000		235,236
UnitedHealth Group Inc., Senior Notes		4.750	%		7/15/45		220,000		274,993

Total Health Care Providers & Services									16,918,594

Pharmaceuticals - 1.9%
Allergan Funding SCS, Senior Notes		4.550	%		3/15/35		200,000		215,432
Bristol-Myers Squibb Co., Senior Notes		3.400	%		7/26/29		1,530,000		1,657,568	^(b)
Pfizer Inc., Senior Notes		7.200	%		3/15/39		560,000		892,007
Wyeth LLC, Senior Notes		5.950	%		4/1/37		1,100,000		1,535,845
Zoetis Inc., Senior Notes		4.700	%		2/1/43		40,000		48,753

Total Pharmaceuticals									4,349,605

TOTAL HEALTH CARE									26,342,124

INDUSTRIALS - 7.0%
Aerospace & Defense - 3.4%
Avolon Holdings Funding Ltd., Senior Notes		5.125	%		10/1/23		330,000		351,186	^(b)
Avolon Holdings Funding Ltd., Senior Notes		3.950	%		7/1/24		90,000		92,741	^(b)
Boeing Co., Senior Notes		2.800	%		3/1/24		500,000		515,748
Boeing Co., Senior Notes		3.100	%		5/1/26		2,190,000		2,315,868

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
Aerospace & Defense - (continued)
Hexcel Corp., Senior Notes		3.950	%		2/15/27		1,000,000	$	1,058,987
Huntington Ingalls Industries Inc., Senior Notes		3.483	%		12/1/27		320,000		337,856
L3Harris Technologies Inc., Senior Notes		4.400	%		6/15/28		700,000		792,505	^(b)
Lockheed Martin Corp., Senior Notes		4.500	%		5/15/36		50,000		60,721
Lockheed Martin Corp., Senior Notes		4.700	%		5/15/46		200,000		261,008
Northrop Grumman Systems Corp., Senior Notes		7.875	%		3/1/26		1,390,000		1,819,069
United Technologies Corp., Senior Notes		4.625	%		11/16/48		180,000		227,586

Total Aerospace & Defense									7,833,275

Air Freight & Logistics - 0.4%
United Parcel Service Inc., Senior Notes		6.200	%		1/15/38		700,000		981,024

Airlines - 0.6%
American Airlines Pass-Through Trust		5.600	%		7/15/20		211,592		215,443	^(b)
Continental Airlines Pass-Through Trust		7.250	%		11/10/19		459,890		463,339
Continental Airlines Pass-Through Trust		6.250	%		4/11/20		113,646		115,328
Delta Air Lines Pass-Through Certificates Trust		8.021	%		8/10/22		68,999		76,937
Delta Air Lines Pass-Through Certificates Trust, Senior Secured Notes		7.750	%		12/17/19		163,170		165,533
US Airways Pass-Through Trust, Senior Secured Notes		5.900	%		10/1/24		377,948		421,979

Total Airlines									1,458,559

Commercial Services & Supplies - 1.1%
Republic Services Inc., Senior Notes		5.500	%		9/15/19		220,000		220,196
Republic Services Inc., Senior Notes		2.500	%		8/15/24		700,000		712,063
Waste Connections Inc., Senior Notes		4.250	%		12/1/28		750,000		850,944
Waste Management Inc., Senior Notes		3.200	%		6/15/26		40,000		42,619
Waste Management Inc., Senior Notes		4.000	%		7/15/39		550,000		636,156

Total Commercial Services & Supplies									2,461,978

Industrial Conglomerates - 0.8%
General Electric Co., Senior Notes		6.750	%		3/15/32		330,000		404,895
General Electric Co., Senior Notes		6.875	%		1/10/39		1,098,000		1,401,031

Total Industrial Conglomerates									1,805,926

Machinery - 0.2%
Caterpillar Inc., Senior Notes		4.750	%		5/15/64		360,000		469,958

Road & Rail - 0.3%
Union Pacific Corp., Senior Notes		4.375	%		11/15/65		530,000		606,344

Trading Companies & Distributors - 0.2%
Aviation Capital Group LLC, Senior Notes		4.125	%		8/1/25		340,000		363,102	^(b)

TOTAL INDUSTRIALS									15,980,166

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†		VALUE
INFORMATION TECHNOLOGY - 2.8%
Communications Equipment - 0.4%
Harris Corp., Senior Notes		4.854	%		4/27/35		430,000	$	515,104
Harris Corp., Senior Notes		5.054	%		4/27/45		340,000		434,226

Total Communications Equipment									949,330

IT Services - 0.7%
Global Payments Inc., Senior Notes		2.650	%		2/15/25		1,340,000		1,348,649
International Business Machines Corp., Senior Notes		3.500	%		5/15/29		200,000		217,178

Total IT Services									1,565,827

Semiconductors & Semiconductor Equipment - 0.4%
Intel Corp., Senior Notes		4.900	%		7/29/45		220,000		289,359
QUALCOMM Inc., Senior Notes		4.300	%		5/20/47		70,000		79,452
Texas Instruments Inc., Senior Notes		3.875	%		3/15/39		430,000		505,485

Total Semiconductors & Semiconductor Equipment									874,296

Software - 0.9%
Microsoft Corp., Senior Notes		4.250	%		2/6/47		1,520,000		1,943,435
salesforce.com Inc., Senior Notes		3.700	%		4/11/28		120,000		134,032

Total Software									2,077,467

Technology Hardware, Storage & Peripherals - 0.4%
Dell International LLC/EMC Corp., Senior Secured Notes		4.420	%		6/15/21		1,010,000		1,041,929	^(b)

TOTAL INFORMATION TECHNOLOGY									6,508,849

MATERIALS - 3.2%
Metals & Mining - 3.2%
Alcoa Nederland Holding BV, Senior Notes		6.750	%		9/30/24		400,000		421,000	^(b)
ArcelorMittal, Senior Notes		4.550	%		3/11/26		330,000		346,147
Barrick Gold Corp., Senior Notes		5.250	%		4/1/42		350,000		436,462
BHP Billiton Finance USA Ltd., Senior Notes (6.750% to 10/19/25; then USD 5 year ICE Swap Rate + 5.093% to 10/19/45; then USD 5 year ICE Swap Rate + 5.843%)		6.750	%		10/19/75		780,000		914,722	^(a)(b)
First Quantum Minerals Ltd., Senior Notes		7.000	%		2/15/21		112,000		112,210	^(b)
Freeport-McMoRan Inc., Senior Notes		3.550	%		3/1/22		100,000		100,500
Freeport-McMoRan Inc., Senior Notes		6.875	%		2/15/23		950,000		1,001,870
Glencore Funding LLC, Senior Notes		4.125	%		3/12/24		300,000		316,029	^(b)
Glencore Funding LLC, Senior Notes		4.000	%		3/27/27		590,000		610,364	^(b)
Hudbay Minerals Inc., Senior Notes		7.250	%		1/15/23		60,000		62,166	^(b)
Northwest Acquisitions ULC/Dominion Finco Inc., Secured Notes		7.125	%		11/1/22		600,000		376,500	^(b)

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†			VALUE
Metals & Mining - (continued)
Vale Overseas Ltd., Senior Notes		4.375	%		1/11/22		2,100,000		$	2,181,375
Yamana Gold Inc., Senior Notes		4.625	%		12/15/27		550,000			584,828

TOTAL MATERIALS										7,464,173

REAL ESTATE - 2.0%
Equity Real Estate Investment Trusts (REITs) - 1.8%
MPT Operating Partnership LP/MPT Finance Corp., Senior Notes		5.000	%		10/15/27		400,000			428,000
MPT Operating Partnership LP/MPT Finance Corp., Senior Notes		4.625	%		8/1/29		270,000			281,306
Ventas Realty LP, Senior Notes		4.400	%		1/15/29		540,000			607,114
Vornado Realty LP, Senior Notes		3.500	%		1/15/25		1,000,000			1,035,242
Welltower Inc., Senior Notes		3.950	%		9/1/23		1,050,000			1,119,201
Welltower Inc., Senior Notes		4.125	%		3/15/29		510,000			562,958

Total Equity Real Estate Investment Trusts (REITs)										4,033,821

Real Estate Management & Development - 0.2%
Security Capital Group Inc., Senior Notes		7.700	%		6/15/28		460,000			574,203

TOTAL REAL ESTATE										4,608,024

UTILITIES - 4.4%
Electric Utilities - 4.2%
Berkshire Hathaway Energy Co., Senior Notes		6.125	%		4/1/36		1,000,000			1,415,683
CenterPoint Energy Houston Electric LLC, Senior Secured Bonds		4.500	%		4/1/44		530,000			661,625
Commonwealth Edison Co., First Mortgage Bonds		6.450	%		1/15/38		600,000			885,879
FirstEnergy Corp., Senior Notes		3.900	%		7/15/27		480,000			516,426
FirstEnergy Corp., Senior Notes		7.375	%		11/15/31		3,040,000			4,360,700
Jersey Central Power & Light Co., Senior Notes		4.300	%		1/15/26		170,000			186,327	^(b)
MidAmerican Energy Co.		3.650	%		4/15/29		240,000			268,787
Southern California Edison Co., First Mortgage Bonds		4.125	%		3/1/48		480,000			537,535
Virginia Electric & Power Co., Senior Notes		8.875	%		11/15/38		500,000			863,353

Total Electric Utilities										9,696,315

Independent Power and Renewable Electricity Producers - 0.2%
NRG Energy Inc., Senior Secured Notes		3.750	%		6/15/24		320,000			331,375	^(b)

TOTAL UTILITIES										10,027,690

TOTAL CORPORATE BONDS & NOTES (Cost - $189,205,924)										217,115,525

SOVEREIGN BONDS - 1.9%
Argentina - 0.8%
Argentina POM Politica Monetaria, Bonds (Argentina Central Bank 7 Day Repo Reference Rate)		66.777	%		6/21/20		8,960,000	^ARS		43,325	^(a)

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE			MATURITY DATE		FACE AMOUNT†			VALUE
Argentina - (continued)
Argentine Bonos del Tesoro, Bonds		18.200	%		10/3/21		650,000	^ARS	$	3,759
Argentine Republic Government International Bond, Senior Notes		5.875	%		1/11/28		930,000			353,400
Argentine Republic Government International Bond, Senior Notes		7.625	%		4/22/46		150,000			58,500
Argentine Republic Government International Bond, Senior Notes		6.875	%		1/11/48		260,000			100,493
Provincia de Buenos Aires, Senior Notes		9.125	%		3/16/24		1,930,000			636,900	^(b)
Provincia de Cordoba, Senior Notes		7.450	%		9/1/24		1,200,000			564,000	^(b)

Total Argentina										1,760,377

Ecuador - 0.3%
Ecuador Government International Bond, Senior Notes		10.750	%		3/28/22		310,000			338,678	^(b)
Ecuador Government International Bond, Senior Notes		10.750	%		1/31/29		400,000			431,850	^(b)

Total Ecuador										770,528

Egypt - 0.4%
Egypt Government International Bond, Senior Notes		7.600	%		3/1/29		400,000			432,631	^(b)
Egypt Government International Bond, Senior Notes		8.700	%		3/1/49		360,000			395,289	^(b)

Total Egypt										827,920

Ghana - 0.1%
Ghana Government International Bond, Senior Notes		8.950	%		3/26/51		300,000			295,845	^(b)

Nigeria - 0.1%
Nigeria Government International Bond, Senior Notes		7.696	%		2/23/38		220,000			220,183	^(b)

Qatar - 0.2%
Qatar Government International Bond, Senior Notes		4.817	%		3/14/49		410,000			528,509	^(b)

TOTAL SOVEREIGN BONDS (Cost - $7,540,494)										4,403,362


						SHARES
PREFERRED STOCKS - 1.2%
FINANCIALS - 1.2%
Banks - 1.0%
GMAC Capital Trust I (3 mo. USD LIBOR + 5.785%)		7.943	%				85,800			2,247,960	^(a)

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019


SECURITY	RATE					SHARES		VALUE
Diversified Financial Services - 0.1%
Citigroup Capital XIII (3 mo. USD LIBOR + 6.370%)		8.636	%				8,075	$	220,770	^(a)

Insurance - 0.1%
Delphi Financial Group Inc. (3 mo. USD LIBOR + 3.190%)		5.348	%				9,325		212,144	^(a)

TOTAL PREFERRED STOCKS (Cost - $2,511,574)									2,680,874


				MATURITY DATE		FACE AMOUNT†
MUNICIPAL BONDS - 0.7%
California - 0.3%
Morongo Band of Mission Indians, CA, Revenue, Tribal Economic Development, Series A		7.000	%		10/1/39		500,000		587,300	^(b)

Florida - 0.1%
Sumter Landing, FL, Community Development District Recreational Revenue, Taxable Community Development District		4.172	%		10/1/47		260,000		313,524

Illinois - 0.3%
Illinois State, GO, Taxable, Build America Bonds, Series 2010-3		6.725	%		4/1/35		530,000		629,661

TOTAL MUNICIPAL BONDS (Cost - $1,356,415)									1,530,485

U.S. GOVERNMENT & AGENCY OBLIGATIONS - 0.6%
U.S. Government Obligations - 0.6%
U.S. Treasury Bonds		3.000	%		2/15/49		690,000		849,953
U.S. Treasury Bonds		2.875	%		5/15/49		360,000		433,723
U.S. Treasury Notes		1.750	%		7/31/24		130,000		132,176

TOTAL U.S. GOVERNMENT & AGENCY OBLIGATIONS (Cost - $1,269,049)									1,415,852

TOTAL INVESTMENTS BEFORE SHORT-TERM INVESTMENTS (Cost - $201,883,456)									227,146,098


						SHARES
SHORT-TERM INVESTMENTS - 0.1%
Dreyfus Government Cash Management, Institutional Shares (Cost - $124,799)		2.006	%				124,799		124,799

TOTAL INVESTMENTS - 99.1% (Cost - $202,008,255)									227,270,897
Other Assets in Excess of Liabilities - 0.9%									2,152,307

TOTAL NET ASSETS - 100.0%								$	229,423,204

See Notes to Schedule of Investments.

WESTERN ASSET INVESTMENT GRADE DEFINED OPPORTUNITY TRUST INC.


Schedule of investments (unaudited) (cont’d)		August 31, 2019

†	Face amount denominated in U.S. dollars, unless otherwise noted.

(a)

Variable rate security. Interest rate disclosed is as of the most recent information available. Certain variable rate securities are not based on a published reference rate and spread but are determined by the issuer or agent and are based on current market conditions. These securities do not indicate a reference rate and spread in their description above.

(b)

Security is exempt from registration under Rule 144A of the Securities Act of 1933. This security may be resold in transactions that are exempt from registration, normally to qualified institutional buyers. This security has been deemed liquid pursuant to guidelines approved by the Board of Directors.

(c)	Security has no maturity date. The date shown represents the next call date.

(d)	Payment-in-kind security for which the issuer has the option at each interest payment date of making interest payments in cash or additional securities.

Abbreviations used in this schedule:


ARS		— Argentine Peso
GO		— General Obligation
GTD		— Guaranteed
ICE		— Intercontinental Exchange
LIBOR		— London Interbank Offered Rate
PIK		— Payment-In-Kind
USD		— United States Dollar

At August 31, 2019, the Fund had the following open futures contracts:


	Number of Contracts		Expiration Date		Notional Amount		Market Value		Unrealized Appreciation (Depreciation)
Contracts to Buy:
U.S. Treasury 2-Year Notes		59		12/19	$	12,740,242	$	12,750,914	$	10,672

Contracts to Sell:
U.S. Treasury 10-Year Notes		106		12/19		13,905,101		13,962,188		(57,087	)
U.S. Treasury Long-Term Bonds		57		12/19		9,383,348		9,419,250		(35,902	)

										(92,989	)

Net unrealized depreciation on open futures contracts									$	(82,317	)

At August 31, 2019, the Fund had the following open forward foreign currency contracts:

Currency
Purchased

Currency
Sold

Counterparty

Settlement
Date

Unrealized
Depreciation

GBP

1,215,000

USD

1,527,036

Barclays Bank PLC

10/17/19

(45,655

)

Abbreviations used in this table:


GBP		— British Pound
USD		— United States Dollar

This Schedule of Investments is unaudited and is intended to provide information about the Fund’s investments as of the date of the schedule. Other information regarding the Fund is available in the Fund’s most recent annual or semi-annual shareholder report.

See Notes to Schedule of Investments.

Notes to Schedule of Investments (unaudited)

1. Organization and significant accounting policies

Western Asset Investment Grade Defined Opportunity Trust Inc. (the “Fund”) was incorporated in Maryland on April 24, 2009 and is registered as a non-diversified, limited term, closed-end management investment company under the Investment Company Act of 1940, as amended (the “1940 Act”). The Fund’s primary investment objective is to provide current income and then to liquidate and distribute substantially all of the Fund’s net assets to stockholders on or about December 2, 2024. As a secondary investment objective, the Fund will seek capital appreciation. There can be no assurance the Fund will achieve its investment objectives. The Fund seeks to achieve its investment objectives by investing, under normal market conditions, at least 80% of its net assets in investment grade corporate fixed-income securities of varying maturities.

The following are significant accounting policies consistently followed by the Fund and are in conformity with U.S. generally accepted accounting principles (“GAAP”).

(a) Investment valuation. The valuations for fixed income securities (which may include, but are not limited to, corporate, government, municipal, mortgage-backed, collateralized mortgage obligations and asset-backed securities) and certain derivative instruments are typically the prices supplied by independent third party pricing services, which may use market prices or broker/dealer quotations or a variety of valuation techniques and methodologies. The independent third party pricing services use inputs that are observable such as issuer details, interest rates, yield curves, prepayment speeds, credit risks/spreads, default rates and quoted prices for similar securities. Investments in open-end funds are valued at the closing net asset value per share of each fund on the day of valuation. Futures contracts are valued daily at the settlement price established by the board of trade or exchange on which they are traded. Equity securities for which market quotations are available are valued at the last reported sales price or official closing price on the primary market or exchange on which they trade. When the Fund holds securities or other assets that are denominated in a foreign currency, the Fund will normally use the currency exchange rates as of 4:00 p.m. (Eastern Time). If independent third party pricing services are unable to supply prices for a portfolio investment, or if the prices supplied are deemed by the manager to be unreliable, the market price may be determined by the manager using quotations from one or more broker/dealers or at the transaction price if the security has recently been purchased and no value has yet been obtained from a pricing service or pricing broker. When reliable prices are not readily available, such as when the value of a security has been significantly affected by events after the close of the exchange or market on which the security is principally traded, but before the Fund calculates its net asset value, the Fund values these securities as determined in accordance with procedures approved by the Fund’s Board of Directors.

The Board of Directors is responsible for the valuation process and has delegated the supervision of the daily valuation process to the Legg Mason North Atlantic Fund Valuation Committee (the “Valuation Committee”). The Valuation Committee, pursuant to the policies adopted by the Board of Directors, is responsible for making fair value determinations,

Notes to Schedule of Investments (unaudited) (continued)

evaluating the effectiveness of the Fund’s pricing policies, and reporting to the Board of Directors. When determining the reliability of third party pricing information for investments owned by the Fund, the Valuation Committee, among other things, conducts due diligence reviews of pricing vendors, monitors the daily change in prices and reviews transactions among market participants.

The Valuation Committee will consider pricing methodologies it deems relevant and appropriate when making fair value determinations. Examples of possible methodologies include, but are not limited to, multiple of earnings; discount from market of a similar freely traded security; discounted cash-flow analysis; book value or a multiple thereof; risk premium/yield analysis; yield to maturity; and/or fundamental investment analysis. The Valuation Committee will also consider factors it deems relevant and appropriate in light of the facts and circumstances. Examples of possible factors include, but are not limited to, the type of security; the issuer’s financial statements; the purchase price of the security; the discount from market value of unrestricted securities of the same class at the time of purchase; analysts’ research and observations from financial institutions; information regarding any transactions or offers with respect to the security; the existence of merger proposals or tender offers affecting the security; the price and extent of public trading in similar securities of the issuer or comparable companies; and the existence of a shelf registration for restricted securities.

For each portfolio security that has been fair valued pursuant to the policies adopted by the Board of Directors, the fair value price is compared against the last available and next available market quotations. The Valuation Committee reviews the results of such back testing monthly and fair valuation occurrences are reported to the Board of Directors quarterly.

The Fund uses valuation techniques to measure fair value that are consistent with the market approach and/or income approach, depending on the type of security and the particular circumstance. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable securities. The income approach uses valuation techniques to discount estimated future cash flows to present value.

GAAP establishes a disclosure hierarchy that categorizes the inputs to valuation techniques used to value assets and liabilities at measurement date. These inputs are summarized in the three broad levels listed below:

•

Level 1 – quoted prices in active markets for identical investments

•

Level 2 – other significant observable inputs (including quoted prices for similar investments, interest rates, prepayment speeds, credit risk, etc.)

•

Level 3 – significant unobservable inputs (including the Fund’s own assumptions in determining the fair value of investments)

Notes to Schedule of Investments (unaudited) (continued)

The inputs or methodologies used to value securities are not necessarily an indication of the risk associated with investing in those securities.

The following is a summary of the inputs used in valuing the Fund’s assets and liabilities carried at fair value:


ASSETS
DESCRIPTION	QUOTED PRICES (LEVEL 1)		OTHER SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Long-Term Investments†:
Corporate Bonds & Notes		—	$	217,115,525		—	$	217,115,525
Sovereign Bonds		—		4,403,362		—		4,403,362
Preferred Stocks:
Financials	$	2,468,730		212,144		—		2,680,874
Municipal Bonds		—		1,530,485		—		1,530,485
U.S. Government & Agency Obligations		—		1,415,852		—		1,415,852

Total Long-Term Investments		2,468,730		224,677,368		—		227,146,098

Short-Term Investments†		124,799		—		—		124,799

Total Investments	$	2,593,529	$	224,677,368		—	$	227,270,897

Other Financial Instruments:
Futures Contracts	$	10,672		—		—	$	10,672

Total	$	2,604,201	$	224,677,368		—	$	227,281,569


LIABILITIES
DESCRIPTION	QUOTED PRICES (LEVEL 1)		OTHER SIGNIFICANT OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)		TOTAL
Other Financial Instruments:
Futures Contracts	$	92,989		—		—	$	92,989
Forward Foreign Currency Contracts		—	$	45,655		—		45,655

Total	$	92,989	$	45,655		—	$	138,644

†	See Schedule of Investments for additional detailed categorizations.