UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM N-Q

 

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

 

 

Investment Company Act file number 811-21181

 

Name of Fund: BlackRock Municipal 2020 Term Trust (BKK)

 

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

 

Name and address of agent for service: John M. Perlowski, Chief Executive Officer, BlackRock Municipal 2020 Term Trust, 55 East 52nd Street, New York, NY 10055

 

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

 

Date of fiscal year end: 04/30/2013

 

Date of reporting period: 07/31/2012

 

Item 1 – Schedule of Investments

 
 
Schedule of Investments July 31, 2012 (Unaudited)

BlackRock Municipal 2020 Term Trust (BKK)

(Percentages shown are based on Net Assets)

               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Alabama — 0.7%
   
Alabama State 21st Century Authority Tobacco Settlement, RB, Series A, 5.00%, 6/01/20
     
$
     
1,000
     
$
     
1,199,960
   
Courtland IDB Alabama, Refunding RB, International Paper Co. Projects, Series A, 4.75%, 5/01/17
             
1,165
             
1,225,498
   

 
   
       
2,425,458
   
     
Alaska — 2.0%
   
City of Valdez Alaska, Refunding RB, BP Pipelines Project:
   
       
Series B, 5.00%, 1/01/21
             
3,200
             
3,798,432
   
       
Series C, 5.00%, 1/01/21
             
2,500
             
2,967,525
   

 
   
       
6,765,957
   
     
Arizona — 3.3%
   
Phoenix Civic Improvement Corp., RB, Junior Lien, Series A:
   
       
5.00%, 7/01/20
             
1,300
             
1,555,294
   
       
5.00%, 7/01/21
             
5,585
             
6,916,185
   
Salt Verde Financial Corp., RB, Senior:
   
       
5.00%, 12/01/18
             
1,500
             
1,610,175
   
       
5.25%, 12/01/20
             
1,000
             
1,081,240
   

 
   
       
11,162,894
   
     
California — 20.1%
   
California Health Facilities Financing Authority, Refunding RB, Sutter Health, Series B, 5.00%, 8/15/22
             
815
             
963,126
   
California State Department of Water Resources, Refunding RB, Series L, 5.00%, 5/01/20
             
10,000
             
12,526,600
   
California Statewide Communities Development Authority, RB, John Muir Health, Series A, 5.00%, 8/15/22
             
5,000
             
5,443,600
   
Foothill Eastern Transportation Corridor Agency California, Refunding RB, CAB (a):
   
       
5.97%, 1/15/21
             
12,500
             
7,598,750
   
       
6.00%, 1/15/22
             
10,000
             
5,718,800
   
Golden State Tobacco Securitization Corp. California, RB (b):
   
       
ARS, Asset-Backed, Series A-3, 7.88%, 6/01/13
             
975
             
1,036,883
   
       
Series 2003-A-1, 6.63%, 6/01/13
             
1,500
             
1,580,070
   
       
Series 2003-A-1, 6.75%, 6/01/13
             
11,010
             
11,609,164
   
Los Angeles Unified School District California, GO, Series I, 5.00%, 7/01/20
             
3,750
             
4,607,813
   
Riverside County Asset Leasing Corp. California, RB, Riverside County Hospital Project (NPFGC), 5.28%, 6/01/25 (a)
             
6,865
             
3,517,969
   
               
Par
(000)
             
Value
   
Municipal Bonds
   
     
California (concluded)
   
San Manuel Entertainment Authority, Series 04-C, 4.50%, 12/01/16 (c)
     
$
     
4,000
     
$
     
4,136,680
   
State of California, GO, Various Purpose:
   
       
5.25%, 10/01/22
             
1,000
             
1,252,130
   
       
5.00%, 11/01/22
             
7,050
             
7,414,908
   

 
   
       
67,406,493
   
     
Colorado — 1.2%
   
Colorado Health Facilities Authority, RB, Evangelical Lutheran Good Samaritan Society Project:
   
       
4.00%, 12/01/19
             
555
             
596,725
   
       
4.00%, 12/01/20
             
580
             
621,934
   
E-470 Public Highway Authority Colorado, RB, CAB, Senior Series B (NPFGC), 4.39%, 9/01/22 (a)
             
4,500
             
2,904,345
   

 
   
       
4,123,004
   
     
District of Columbia — 3.0%
   
District of Columbia Tobacco Settlement Financing Corp., Refunding RB, Asset-Backed, 6.50%, 5/15/33
             
4,215
             
4,599,450
   
Metropolitan Washington Airports Authority, Refunding RB, Series C-2, AMT (AGM), 5.00%, 10/01/24
             
5,000
             
5,346,650
   

 
   
       
9,946,100
   
     
Florida — 7.9%
   
Bellalago Educational Facilities Benefit District, Special Assessment Bonds, Series A, 5.85%, 5/01/22
             
1,870
             
1,876,321
   
Broward County Florida Airport System Revenue, Refunding RB, Series P-1, AMT, 4.00%, 10/01/19
             
1,750
             
1,926,032
   
Broward County School Board Florida, COP, Series A (AGM), 5.25%, 7/01/22
             
1,250
             
1,455,875
   
City of Jacksonville Florida, RB, Better Jacksonville, 5.00%, 10/01/22
             
5,160
             
5,962,999
   
Florida State Board of Education, GO, Refunding, Series B, 5.00%, 6/01/20
             
5,000
             
6,266,900
   
Habitat Community Development District, Special Assessment Bonds, 5.80%, 5/01/25
             
1,820
             
1,842,368
   
Miami Beach Health Facilities Authority, RB, Mount Sinai Medical Center of Florida, 6.75%, 11/15/21
             
2,170
             
2,371,593
   
Pine Island Community Development District, RB, 5.30%, 11/01/10 (d)(e)
             
250
             
100,050
   
Stevens Plantation Community Development District, Special Assessment Bonds, Series B, 6.38%, 5/01/13
             
3,530
             
2,715,523
   

 

BLACKROCK MUNICIPAL 2020 TERM TRUSTJULY 31, 20121
 
Schedule of Investments (continued)

BlackRock Municipal 2020 Term Trust (BKK)

(Percentages shown are based on Net Assets)

               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Florida (concluded)
   
Village Community Development District No. 5 Florida, Special Assessment Bonds, Series A, 6.00%, 5/01/22
     
$
     
1,975
     
$
     
2,019,971
   

 
   
       
26,537,632
   
     
Georgia — 2.3%
   
Gainesville & Hall County Development Authority, Refunding RB, ACTS Retirement - Life Communities, Inc. Obligated Group, 5.00%, 11/15/22
             
6,915
             
7,786,705
   
     
Hawaii — 0.9%
   
Hawaii State Department of Budget & Finance, Refunding RB, Special Purpose Senior Living - Kahala Nui (f):
   
       
5.00%, 11/15/19
             
1,275
             
1,420,108
   
       
5.00%, 11/15/20
             
1,440
             
1,599,969
   

 
   
       
3,020,077
   
     
Illinois — 13.6%
   
City of Chicago Illinois, RB, General Airport, Third Lien, Series A (AMBAC):
   
       
5.00%, 1/01/21
             
5,000
             
5,547,150
   
       
5.00%, 1/01/22
             
7,000
             
7,746,340
   
Illinois Finance Authority, RB:
   
       
MJH Education Assistance IV LLC, Sub-Series B, 5.00%, 6/01/24 (d)(e)
             
1,075
             
107,468
   
       
Northwestern University, 5.00%, 12/01/21
             
4,800
             
5,071,152
   
Illinois State Toll Highway Authority, RB, Senior Priority, Series A (AGM), 5.00%, 1/01/19
             
2,250
             
2,511,495
   
Lake Cook-Dane & McHenry Counties Community Unit School District 220 Illinois, GO, Refunding (AGM), 5.25%, 12/01/20
             
1,000
             
1,274,900
   
Metropolitan Pier & Exposition Authority Illinois, Refunding RB, CAB, McCormick, Series A (NPFGC), 3.65%, 6/15/22 (a)
             
13,455
             
9,413,656
   
Railsplitter Tobacco Settlement Authority, RB, 5.25%, 6/01/20
             
10,000
             
11,726,800
   
State of Illinois, RB, Build Illinois, Series B, 5.00%, 6/15/20
             
2,000
             
2,397,620
   

 
   
       
45,796,581
   
     
Indiana — 4.3%
   
City of Vincennes Indiana, Refunding RB, Southwest Indiana Regional Youth Village, 6.25%, 1/01/24
             
4,000
             
2,444,720
   
Indiana Municipal Power Agency, Series A, 5.00%, 1/01/21
             
600
             
732,552
   
               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Indiana (concluded)
   
Indianapolis Airport Authority, Refunding RB, Special Facilities, FedEx Corp. Project, AMT, 5.10%, 1/15/17
     
$
     
10,000
     
$
     
11,359,900
   

 
   
       
14,537,172
   
     
Kansas — 2.2%
   
Kansas Development Finance Authority, Refunding RB, Adventist Health, 5.25%, 11/15/20
             
2,500
             
3,041,650
   
Wyandotte County-Kansas City Unified Government, RB, Kansas International Speedway (NPFGC), 4.56%, 12/01/20 (a)
             
6,440
             
4,421,640
   

 
   
       
7,463,290
   
     
Kentucky — 1.8%
   
Kentucky Housing Corp., RB, Series C, AMT, 4.63%, 7/01/22
             
2,000
             
2,106,340
   
Louisville & Jefferson County, RB, Metro Government Catholic Health Initiatives, Series A:
   
       
3.50%, 12/01/20
             
2,115
             
2,323,603
   
       
5.00%, 12/01/20
             
1,430
             
1,735,977
   

 
   
       
6,165,920
   
     
Louisiana — 0.6%
   
Parish of DeSoto Louisiana, RB, Series A, AMT, 5.85%, 11/01/27
             
2,000
             
2,098,840
   
     
Maryland — 4.9%
   
Maryland EDC, RB, Transportation Facilities Project, Series A, 5.13%, 6/01/20
             
1,250
             
1,377,887
   
Maryland Health & Higher Educational Facilities Authority, Refunding RB:
   
       
Charlestown Community, 5.50%, 1/01/21
             
1,335
             
1,532,353
   
       
University of Maryland Medical System, 5.00%, 7/01/19
             
670
             
775,083
   
Maryland State and Local Facilities Loan, GO, Series B, 5.00%, 3/15/20
             
10,000
             
12,684,900
   

 
   
       
16,370,223
   
     
Massachusetts — 1.5%
   
Massachusetts Development Finance Agency, RB, Waste Management, Inc. Project, AMT, 5.45%, 6/01/14
             
4,500
             
4,854,690
   
Massachusetts State Water Pollution Abatement, Refunding RB, MWRA Program, Sub-Series A, 6.00%, 8/01/23
             
140
             
140,633
   

 
   
       
4,995,323
   
     
Michigan — 2.5%
   
Kalamazoo Hospital Finance Authority, Refunding RB, Bronson Methodist Hospital, 5.00%, 5/15/20
             
1,720
             
1,960,232
   

 

BLACKROCK MUNICIPAL 2020 TERM TRUSTJULY 31, 20122
 
Schedule of Investments (continued)

BlackRock Municipal 2020 Term Trust (BKK)

(Percentages shown are based on Net Assets)

               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Michigan (concluded)
   
Lansing Board of Water & Light Utilities, RB, Series A, 3.50%, 7/01/20
     
$
     
1,000
     
$
     
1,114,350
   
Michigan State Building Authority, RB, Refunding Facilities Program, Series A:
   
       
4.00%, 10/15/20
             
1,205
             
1,370,194
   
       
5.00%, 10/15/20
             
325
             
393,864
   
State of Michigan, Refunding RB:
   
       
5.00%, 11/01/20
             
1,000
             
1,220,970
   
       
5.00%, 11/01/21
             
2,000
             
2,417,700
   

 
   
       
8,477,310
   
     
Minnesota — 7.2%
   
Minnesota Higher Education Facilities Authority, RB, University of St. Thomas, Series 5-Y, 5.00%, 10/01/24
             
1,250
             
1,316,550
   
Minnesota State Trunk Highway, GO, Series B, 5.00%, 10/01/20
             
16,000
             
20,411,680
   
Tobacco Securitization Authority, Refunding RB, Tobacco Settlement, Series B, 5.00%, 3/01/20
             
2,000
             
2,351,260
   

 
   
       
24,079,490
   
     
Mississippi — 0.8%
   
Mississippi Development Bank, SO, Refunding, Tunica County, Mississippi Highway Project, 5.00%, 1/01/20
             
2,275
             
2,753,683
   
     
Missouri — 3.4%
   
Missouri Development Finance Board, RB, Branson Landing Project, Series A, 5.50%, 12/01/24
             
5,000
             
5,196,600
   
Missouri State Health & Educational Facilities Authority, Refunding RB, BJC Health System, Series A, 5.00%, 5/15/20
             
5,500
             
6,120,235
   

 
   
       
11,316,835
   
     
Multi-State — 5.8%
   
Centerline Equity Issuer Trust (c)(g):
   
       
5.75%, 5/15/15
             
1,000
             
1,094,840
   
       
6.00%, 5/15/15
             
4,000
             
4,403,160
   
       
6.00%, 5/15/19
             
2,500
             
2,964,625
   
       
6.30%, 5/15/19
             
2,500
             
3,005,300
   
MuniMae TE Bond Subsidiary LLC (c)(g)(h):
   
       
5.40%
             
5,000
             
3,349,950
   
       
5.80%
             
5,000
             
3,449,950
   
       
Series D, 5.90%
             
2,000
             
1,139,980
   

 
   
       
19,407,805
   
     
Nebraska — 1.2%
   
Central Plains Energy Project No. 3, RB, Gas Project, 5.00%, 9/01/20
             
3,500
             
3,934,910
   
     
               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Nevada — 3.2%
   
City of Henderson Nevada, Special Assessment Bonds, District No. T-18, 5.15%, 9/01/21
     
$
     
1,755
     
$
     
1,073,691
   
County of Clark Nevada, Refunding RB, Alexander Dawson School Nevada Project, 5.00%, 5/15/20
             
5,000
             
5,418,650
   
County of Clark Nevada, Special Assessment Bonds, Special Improvement District No. 142, 5.00%, 8/01/20 (f)
             
1,560
             
1,689,886
   
County of Clark Nevada Airport System Revenue, Refunding RB, Las Vegas McCarran International Airport:
   
       
Series B, 5.00%, 7/01/19
             
1,000
             
1,198,230
   
       
Series B, 5.00%, 7/01/20
             
1,000
             
1,201,190
   

 
   
       
10,581,647
   
     
New Hampshire — 2.7%
   
New Hampshire Business Finance Authority, Refunding RB, Public Service Co. of New Hampshire Project, Series B, AMT (NPFGC), 4.75%, 5/01/21
             
4,350
             
4,587,945
   
New Hampshire Health & Education Facilities Authority, Refunding RB, Elliot Hospital, Series B, 5.60%, 10/01/22
             
4,225
             
4,533,256
   

 
   
       
9,121,201
   
     
New Jersey — 5.4%
   
Middlesex County Improvement Authority, RB, George Street Student Housing Project, Series A, 5.00%, 8/15/23
             
1,000
             
1,031,310
   
New Jersey EDA, RB, Continental Airlines, Inc. Project, AMT, 9.00%, 6/01/33 (i)
             
1,500
             
1,583,745
   
New Jersey EDA, Refunding RB:
   
       
Cigarette Tax, 5.00%, 6/15/20
             
2,500
             
2,876,550
   
       
First Mortgage, Winchester, Series A, 4.80%, 11/01/13
             
520
             
530,265
   
       
School Facilities, Series GG, 5.00%, 9/01/22
             
2,000
             
2,400,640
   
New Jersey Educational Facilities Authority, Refunding RB, University of Medicine & Dentistry, Series B, 6.25%, 12/01/18
             
2,500
             
3,040,825
   
New Jersey Health Care Facilities Financing Authority, Refunding RB:
   
       
AtlantiCare Regional Medical Center, 5.00%, 7/01/20
             
2,110
             
2,348,451
   

 

BLACKROCK MUNICIPAL 2020 TERM TRUSTJULY 31, 20123
 
 
Schedule of Investments (continued)

BlackRock Municipal 2020 Term Trust (BKK)

(Percentages shown are based on Net Assets)

             
Par
(000)
             
Value
   
Municipal Bonds
   
     
New Jersey (concluded)
   
New Jersey Health Care Facilities Financing Authority, Refunding RB (concluded):
   
       
Capital Health System Obligation Group, Series A, 5.75%, 7/01/13 (b)
     
$
     
4,000
     
$
     
4,195,600
   

 
   
       
18,007,386
   
     
New York — 8.0%
   
City of New York New York, GO, 5.00%, 4/01/18
             
365
             
440,205
   
New York City Industrial Development Agency, RB, American Airlines Inc., JFK International Airport, AMT (d)(e)(i):
   
       
7.63%, 8/01/25
             
3,885
             
4,095,839
   
       
7.75%, 8/01/31
             
5,000
             
5,325,000
   
New York State Energy Research & Development Authority, Refunding RB, Brooklyn Union Gas/Keyspan, Series A, AMT (NPFGC), 4.70%, 2/01/24
     
8,500
             
8,994,955
   
New York State Thruway Authority, RB, General Revenue, Series I, 5.00%, 1/01/20
             
875
             
1,053,754
   
Port Authority of New York & New Jersey, RB, JFK International Air Terminal, 5.00%, 12/01/20
             
1,525
             
1,688,449
   
Tobacco Settlement Financing Corp. New York, RB, Asset-Backed, Series B-1C, 5.50%, 6/01/20
             
5,000
             
5,211,100
   

 
   
       
26,809,302
   
     
North Carolina — 2.4%
   
North Carolina Eastern Municipal Power Agency, Refunding RB, Series B, 5.00%, 1/01/21
             
1,550
             
1,821,545
   
North Carolina Municipal Power Agency No. 1, Refunding RB, Series B, 5.00%, 1/01/20
             
5,000
             
6,063,600
   

 
   
       
7,885,145
   
     
Ohio — 4.1%
   
Cuyahoga County, RB, Cleveland Clinic Health System, Series A (b):
   
       
6.00%, 7/01/13
             
1,530
             
1,610,493
   
       
6.00%, 7/01/13
             
1,470
             
1,547,337
   
       
6.00%, 7/01/13
             
5,100
             
5,368,311
   
       
6.00%, 7/01/13
             
4,900
             
5,157,789
   

 
   
       
13,683,930
   
     
Oklahoma — 0.9%
   
Canadian County Educational Facilities Authority, RB, Mustang Public Schools Project, 4.50%, 9/01/20
             
1,500
             
1,724,940
   
               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Oklahoma (concluded)
   
Tulsa County Industrial Authority, RB, Broken Arrow Public School, 4.00%, 9/01/22
     
$
     
1,100
     
$
     
1,219,328
   

 
   
       
2,944,268
   
     
Pennsylvania — 6.3%
   
Lancaster County Hospital Authority, RB, General Hospital Project, 5.75%, 9/15/13 (b)
             
7,500
             
7,938,525
   
Pennsylvania Economic Development Financing Authority, RB, Refunding Amtrak Project Series A, AMT, 4.00%, 11/01/20
             
2,175
             
2,362,333
   
Pennsylvania Higher Educational Facilities Authority, Refunding RB, Drexel University, Series A, 5.00%, 5/01/20
             
1,575
             
1,874,502
   
Pennsylvania IDA, Refunding RB, 5.00%, 7/01/20
             
1,500
             
1,817,550
   
Pennsylvania Turnpike Commission, RB, Sub-Series A (AGC), 5.00%, 6/01/22
             
1,000
             
1,168,900
   
Pennsylvania Turnpike Commission, Refunding RB, Series A, 5.00%, 12/01/20
             
4,000
             
4,892,400
   
State Public School Building Authority, RB, Community College Allegheny County Project (AGM), 5.00%, 7/15/20
             
995
             
1,186,975
   

 
   
       
21,241,185
   
     
Puerto Rico — 3.2%
   
Puerto Rico Electric Power Authority, RB, Series NN, 5.13%, 7/01/13 (b)
             
9,000
             
9,402,300
   
Puerto Rico Sales Tax Financing Corp., Refunding RB, Sales Tax Revenue, Series C, 5.00%, 8/01/22
             
1,100
             
1,320,704
   

 
   
       
10,723,004
   
     
South Carolina — 0.7%
   
South Carolina State Ports Authority, RB, 5.00%, 7/01/20
             
2,000
             
2,438,080
   
     
Texas — 10.8%
   
Central Texas Regional Mobility Authority, RB, Senior Lien:
   
       
5.75%, 1/01/19
             
800
             
890,472
   
       
5.75%, 1/01/20
             
1,140
             
1,334,644
   
City of Dallas Texas, Refunding RB (AGC), 5.00%, 8/15/21
             
2,500
             
2,892,700
   
City of Frisco TX, GO, Refunding, 3.00%, 2/15/20
             
2,250
             
2,478,240
   
City of Houston Texas, Refunding RB, Sub Lien, Series B, 5.00%, 7/01/20
             
250
             
300,297
   

 

BLACKROCK MUNICIPAL 2020 TERM TRUSTJULY 31, 20124
 
 
Schedule of Investments (continued)

BlackRock Municipal 2020 Term Trust (BKK)

(Percentages shown are based on Net Assets)

             
Par
(000)
             
Value
   
Municipal Bonds
   
     
Texas (concluded)
   
Love Field Airport Modernization Corp., RB, Southwest Airlines Co., Love Field Modernization Program Project, 5.00%, 11/01/20
     
$
     
3,715
     
$
     
4,098,536
   
Lower Colorado River Authority, 5.00%, 5/15/20
             
5,000
             
6,108,650
   
North Texas Tollway Authority, RB, Series C:
   
       
5.25%, 1/01/20
             
1,000
             
1,186,840
   
       
5.38%, 1/01/21
             
5,000
             
5,915,500
   
Texas State Turnpike Authority, RB, CAB, First Tier, Series A (AMBAC) (a):
   
       
3.57%, 8/15/21
             
7,990
             
5,801,779
   
       
4.16%, 8/15/24
             
8,450
             
5,150,444
   

 
   
       
36,158,102
   
     
US Virgin Islands — 0.3%
   
Virgin Islands Public Finance Authority, RB, Senior Lien, Matching Fund Loan Note, Series A, 5.25%, 10/01/17
             
1,000
             
1,076,220
   
     
Virginia — 7.4%
   
Charles City County EDA, RB, Waste Management Inc. Project, Mandatory Put Bonds, AMT, 5.13%, 8/01/27
             
10,000
             
10,750,000
   
Mecklenburg County IDA Virginia, Refunding RB, Exempt Facility, UAE LP Project, AMT, 6.50%, 10/15/17
             
7,500
             
7,521,375
   
Norfolk Virginia Water Revenue, Refunding RB, 5.00%, 11/01/20
             
2,000
             
2,527,960
   
Roanoke EDA, RB, Carilion Clinic Obligation Group, 5.00%, 7/01/20
             
1,500
             
1,795,170
   
Russell County IDA, Refunding RB, Appalachian Power, Series K, 4.63%, 11/01/21
             
2,000
             
2,211,780
   

 
   
       
24,806,285
   
     
Washington — 1.5%
   
Washington Health Care Facilities Authority, Refunding RB, Providence Health & Services, Series B:
   
       
5.00%, 10/01/20
             
250
             
301,580
   
       
5.00%, 10/01/42 (i)
             
4,000
             
4,872,400
   

 
   
       
5,173,980
   
     
Wisconsin — 2.8%
   
State of Wisconsin, Refunding RB, Series A, 5.25%, 5/01/20
             
1,000
             
1,219,750
   
Wisconsin Health & Educational Facilities Authority, Refunding RB:
   
       
Froedtert & Community Health, Inc., 5.00%, 4/01/20
             
1,515
             
1,795,548
   
       
Wheaton Franciscan Services, Series A, 5.50%, 8/15/17
             
2,880
             
2,986,330
   
               
Par
(000)
             
Value
   
Municipal Bonds
   
     
Wisconsin (concluded)
   
Wisconsin Health & Educational Facilities Authority, Refunding RB (concluded):
   
       
Wheaton Franciscan Services, Series A, 5.50%, 8/15/18
     
$
     
3,190
     
$
     
3,296,067
   

 
   
       
9,297,695
   
     
Total Municipal Bonds – 150.9%
             
506,519,132
   
     
     
     
Municipal Bonds Transferred to Tender Option Bond (TOB) Trusts (j)
   
     
Illinois — 1.7%
   
City of Chicago Illinois, Refunding RB, Second Lien (AGM), 5.00%, 11/01/20
             
5,000
             
5,895,650
   
     
Total Long-Term Investments
(Cost – $483,850,627) – 152.6%
             
512,414,782
   
     
     
     
                Shares                    
Short-Term Securities
   
     
FFI Institutional Tax-Exempt Fund, 0.01% (k)(l)
             
2,583,270
             
2,583,270
   
     
Total Short-Term Securities
(Cost – $2,583,270) – 0.8%
             
2,583,270
   
     
Total Investments (Cost - $486,433,897*) – 153.4%
     
514,998,052
   
Liabilities in Excess of Other Assets – (0.5)%
             
(1,779,151)
   
Liability for TOB Trust Certificates, Including Interest Expense and Fees Payable – (1.1)%
             
(3,751,970)
   
AMPS, at Redemption Value – (51.8)%
             
(173,853,558)
   

 
   
Net Assets Applicable to Common Shares – 100.0%
     
$
     
335,613,373
   

 
   
     

* As of July 31, 2012, gross unrealized appreciation and gross unrealized depreciation based on cost for federal income tax purposes were as follows:

 

  Tax cost     $ 482,149,726  
  Gross unrealized appreciation     $ 36,791,267  
  Gross unrealized depreciation       (7,692,941)  
    Net unrealized appreciation $ 29,098,326  

 

(a) Represents a zero-coupon bond. Rate shown reflects the current yield as of report date.
(b) US government securities, held in escrow, are used to pay interest on this security, as well as to retire the bond in full at the date indicated, typically at a premium to par.
BLACKROCK MUNICIPAL 2020 TERM TRUSTJULY 31, 20125
 
 
Schedule of Investments (concluded)

BlackRock Municipal 2020 Term Trust (BKK)

 
(c) Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.
(d) Issuer filed for bankruptcy and/or is in default of principal and/or interest payments.
(e) Non-income producing security.
(f) When-issued security. Unsettled when-issued transactions were as follows:

 

 

 
  Counterparty   Value   Unrealized
Appreciation
  Pershing LLC   $ 3,020,077   $ 28,027
  Stifel, Nicolaus & Co.   $ 1,689,886 $ 6,256
                   
                             

 

(g) Security represents a beneficial interest in a trust. The collateral deposited into the trust is federally tax-exempt revenue bonds issued by various state or local governments, or their respective agencies or authorities. The security is subject to remarketing prior to its stated maturity.
(h) Security is perpetual in nature and has no stated maturity date.
(i) Variable rate security. Rate shown is as of report date.
(j) Securities represent bonds transferred to a TOB in exchange for which the Trust acquired residual interest certificates. These securities serve as collateral in a financing transaction.
(k) Investments in companies considered to be an affiliate of the Trust during the period, for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:

 

 

                                                                                                                       
  Affiliate   Shares
Held at
April 30, 2012
Net
Activity
  Shares
Held at
July 31, 2012
  Income  
  FFI Institutional Tax-Exempt Fund   3,693,013   (1,109,743)   2,583,270 $217  
                                       

 

(l) Represents the current yield as of report date.  

Portfolio Abbreviations

 
To simplify the listings of portfolio holdings in the Schedule of Investments, the names and descriptions of many of the securities have been abbreviated according to the following list:   
AGC Assured Guaranty Corp.  
AGM Assured Guaranty Municipal Corp.  
AMBAC American Municipal Bond Assurance Corp.  
AMT Alternative Minimum Tax (subject to)  
ARS Auction Rate Securities  
CAB Capital Appreciation Bonds  
COP Certificates of Participation  
EDA Economic Development Authority  
EDC Economic Development Corp.  
GO General Obligation Bonds  
IDA Industrial Development Authority  
IDB Industrial Development Board  
NPFGC National Public Finance Guarantee Corp.  
RB Revenue Bonds  
SO Special Obligation  
       

 

Fair Value Measurements - Various inputs are used in determining the fair value of investments. These inputs to valuation techniques are categorized into a disclosure hierarchy consisting of three broad levels for financial reporting purposes as follows:

 

Level 1 — unadjusted price quotations in active markets/exchanges for identical assets and liabilities
Level 2 — other observable inputs (including, but not limited to: quoted prices for similar assets or liabilities in markets that are active, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the assets or liabilities (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates) or other market-corroborated inputs)
Level 3 — unobservable inputs based on the best information available in the circumstances, to the extent observable inputs are not available (including the Trust’s own assumptions used in determining the fair value of investments)

 

Changes in valuation techniques may result in transfers into or out of an assigned level within the disclosure hierarchy. In accordance with the Trust's policy, transfers between different levels of the fair value disclosure hierarchy are deemed to have occurred as of the beginning of the reporting period. The categorization of a value determined for investments is based on the pricing transparency of the investment and is not necessarily an indication of the risks associated with investing in those securities. For information about the Trust’s policy regarding valuation of investments and other significant accounting policies, please refer to the Trust’s most recent financial statements as contained in its annual report.

 

The following table summarizes the Trust's investments categorized in the disclosure hierarchy as of July 31, 2012:

  Level 1 Level 2 Level 3 Total
Assets:        
Investments:        
  Long-Term Investments1 $512,414,782 $512,414,782
  Short-Term Securities $2,583,270 2,583,270
Total $2,583,270 512,414,782 $514,998,052

 

1See above Schedule of Investments for values in each state or political
subdivision.

 

Certain of the Trust’s assets and liabilities are held at carrying amount, which approximates fair value for financial reporting purposes. As of July 31, 2012, such assets and liabilities are categorized within the disclosure hierarchy as follows:

 

  Level 1 Level 2 Level 3 Total
Assets:        
Cash $169,473 $169,473
Liabilities:        
TOB trust certificates $(3,750,000) (3,750,000)
Total $169,473 $(3,750,000) $(3,580,527)
         
         

 

There were no transfers between levels during the period ended July 31, 2012.
BLACKROCK MUNICIPAL 2020 TERM TRUSTJULY 31, 20126
 

Item 2 – Controls and Procedures

2(a) –    The registrant's principal executive and principal financial officers, or persons performing similar functions, have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the ″1940 Act″)) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.

2(b) –    There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant's last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting.

Item 3 – Exhibits

Certifications – Attached hereto

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 

BlackRock Municipal 2020 Term Trust

 

  By: /s/ John M. Perlowski
    John M. Perlowski
    Chief Executive Officer (principal executive officer) of
    BlackRock Municipal 2020 Term Trust

 

Date: September 25, 2012

 

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

 

  By: /s/ John M. Perlowski
    John M. Perlowski
    Chief Executive Officer (principal executive officer) of
    BlackRock Municipal 2020 Term Trust

 

Date: September 25, 2012

 

  By: /s/ Neal J. Andrews
    Neal J. Andrews
    Chief Financial Officer (principal financial officer) of
    BlackRock Municipal 2020 Term Trust

 

Date: September 25, 2012