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Invesco Municipal Income Opportunities Trust

Regulatory Filings Jul 30, 2013

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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 811-05597
Invesco Municipal Income Opportunities Trust
(Exact name of registrant as specified in charter)
1555 Peachtree Street, N.E., Atlanta, Georgia 30309
(Address of principal executive offices) (Zip code)
Philip A. Taylor 1555 Peachtree Street, N.E., Atlanta, Georgia 30309
(Name and address of agent for service)

Registrant’s telephone number, including area code: (713) 626-1919

Date of fiscal year end: 2/28

Date of reporting period: 05/31/13

Item 1. Schedule of Investments.

Invesco Municipal Income Opportunities Trust Quarterly Schedule of Portfolio Holdings May 31, 2013

invesco.com/us MS-CE-MIOPP-QTR-1 05/13 Invesco Advisers, Inc.

Schedule of Investments

May 31, 2013

(Unaudited)

Principal Amount (000) Value
Municipal Obligations–107.18%
Alabama–0.25%
Huntsville (City of) Special Care Facilities Financing Authority (Redstone Village);
Series 2007, Retirement Facility RB 5.50 % 01/01/43 $ 925 $ 903,818
Arizona–4.04%
Casa Grande (City of) Industrial Development Authority (Casa Grande Regional Medical
Center); Series 2001 A, Ref. Hospital RB 7.63 % 12/01/29 1,000 1,036,780
Phoenix (City of) Industrial Development Authority (Choice Academies); Series 2012,
Education RB 5.38 % 09/01/32 1,000 1,011,170
Phoenix (City of) Industrial Development Authority (Great Hearts Academies); Series 2012,
Education RB 6.40 % 07/01/47 600 639,174
Phoenix (City of) Industrial Development Authority (Phoenix Collegiate Academy); Series
2012, Education RB 5.63 % 07/01/42 1,000 1,004,530
Pima (County of) Industrial Development Authority (Constellation Schools); Series 2008,
Lease RB 7.00 % 01/01/38 3,000 3,107,550
Pima (County of) Industrial Development Authority (Global Water Resources, LLC); Series
2007, Water & Wastewater RB (a) 6.55 % 12/01/37 2,000 2,077,880
Pima (County of) Industrial Development Authority (Noah Webster Basic Schools); Series
2004 A, Education RB 6.00 % 12/15/24 1,000 1,016,530
Series 2004 A, Education RB 6.13 % 12/15/34 500 506,595
Pinal (County of) Electric District No. 4; Series 2008, Electrical System
RB 6.00 % 12/01/38 1,650 1,791,141
Quechan Indian Tribe of Fort Yuma (California & Arizona Governmental); Series
2008, RB 7.00 % 12/01/27 1,330 1,169,003
Town of Florence, Inc. (The) Industrial Development Authority (Legacy Traditional School
- Queen Creek and Casa Grande Campuses); Series 2013, Education RB 6.00 % 07/01/43 1,000 1,013,530
14,373,883
California–11.37%
Alhambra (City of) (Atherton Baptist Homes); Series 2010 A, RB 7.63 % 01/01/40 1,000 1,094,340
Anaheim (City of) Public Financing Authority (Anaheim Public Improvements); Series 1997
C, Sub. Lease CAB RB (INS-AGM) (b)(c) 0.00 % 09/01/34 1,000 340,470
Bakersfield (City of); Series 2007 A, Wastewater RB (INS-AGM) (b)(d) 5.00 % 09/15/32 960 1,057,776
California (State of) Educational Facilities Authority (Stanford University); Series 2013
U-3, Ref. RB (d) 5.00 % 06/01/43 3,000 3,795,720
California (State of) Health Facilities Financing Authority (Sutter Health); Series 2013
A, RB (d) 5.00 % 08/15/52 3,000 3,201,210
California (State of) Municipal Finance Authority (High Tech High-Media Arts); Series
2008 A, Educational Facility RB (e) 5.88 % 07/01/28 855 895,202
California (State of) Municipal Finance Authority (Partnerships Uplift Community); Series
2012, Charter School RB 5.30 % 08/01/47 1,350 1,378,404
California (State of) Municipal Finance Authority (Santa Rosa Academy); Series 2012 A,
Charter School Lease RB 6.00 % 07/01/42 1,000 1,045,500
California (State of) School Finance Authority (New Designs Charter School); Series 2012,
Educational Facilities RB 5.50 % 06/01/42 695 714,363
California (State of) Statewide Communities Development Authority (California Baptist
University); Series 2007 A, RB 5.50 % 11/01/38 1,500 1,601,520
Series 2011, RB 7.25 % 11/01/31 1,000 1,225,460
California (State of) Statewide Communities Development Authority (Lancer Educational
Student Housing); Series 2007, RB 5.63 % 06/01/33 1,000 1,057,500
Daly City (City of) Housing Development Finance Agency (Franciscan Mobile Home Park
Acquisition); Series 2007 C, Ref. Third Tier Mobile Home Park RB 6.50 % 12/15/47 975 998,351
Desert Community College District (Election of 2004); Series 2007 C, Unlimited Tax CAB GO
Bonds (INS-AGM) (b)(c) 0.00 % 08/01/46 10,000 1,739,600
Golden State Tobacco Securitization Corp.; Series 2007 A-1, Sr. Tobacco Settlement
Asset-Backed RB 5.13 % 06/01/47 2,500 2,197,300
Series 2007 A-2, Sr. Tobacco Settlement Asset-Backed RB 5.30 % 06/01/37 1,000 938,110

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
California–(continued)
Inland Empire Tobacco Securitization Authority; Series 2007 C-1, Asset-Backed Tobacco
Settlement CAB RB (c) 0.00 % 06/01/36 $ 7,500 $ 1,362,750
National City (City of) Community Development Commission (National City Redevelopment);
Series 2011, Tax Allocation RB 7.00 % 08/01/32 1,000 1,238,260
Northern California Tobacco Securitization Authority (Sacramento County Tobacco
Securitization Corp.); Series 2005 A-1, Sr. Tobacco Settlement Asset-Backed Turbo RB 5.38 % 06/01/38 1,000 922,020
Palm Springs (City of) (Palm Springs International Airport); Series 2006, Ref. Sub.
Airport Passenger Facility Charge RB (a) 5.55 % 07/01/28 470 471,043
Poway Unified School District (School Facilities Improvement); Series 2011, Unlimited Tax
CAB GO Bonds (c) 0.00 % 08/01/39 8,000 2,252,560
Riverside (County of) Redevelopment Agency (Mid-County Redevelopment Project Area);
Series 2010 C, Tax Allocation RB 6.25 % 10/01/40 1,000 1,036,500
Sacramento (County of) Community Facilities District No. 2005-2 (North Vineyard Station
No. 1); Series 2007 A, Special Tax RB 6.00 % 09/01/37 1,000 1,021,660
San Buenaventura (City of) (Community Memorial Health System); Series 2011,
RB 7.50 % 12/01/41 1,000 1,218,260
San Francisco (City & County of) Redevelopment Financing Authority (Mission Bay South
Redevelopment); Series 2011 D, Tax Allocation RB 7.00 % 08/01/41 1,400 1,605,156
San Francisco (City & County of) Successor Agency to the Redevelopment Agency
Community Facilities District No. 6 (Mission Bay South Public Improvements); Series 2013 C, Special Tax CAB RB (c) 0.00 % 08/01/37 5,000 1,291,750
Southern California Logistics Airport Authority; Series 2008 A, Tax Allocation CAB RB (c) 0.00 % 12/01/44 18,085 886,527
Southern California Tobacco Securitization Authority (San Diego County Tobacco Asset
Securitization Corp.); Series 2006 A-1, Sr. Tobacco Settlement Asset-Backed RB 5.00 % 06/01/37 1,000 928,790
Union City (City of) Community Redevelopment Agency (Community Redevelopment); Series
2011, Sub. Lien Tax Allocation RB 6.88 % 12/01/33 1,500 1,850,175
Victor Valley Union High School District (Election of 2008); Series 2013 B, Unlimited Tax
CAB GO Bonds (c) 0.00 % 08/01/48 8,310 1,107,806
40,474,083
Colorado–3.10%
Colorado (State of) Health Facilities Authority (Christian Living Communities); Series
2006 A, RB 5.75 % 01/01/37 1,500 1,593,975
Colorado (State of) Health Facilities Authority (Total Longterm Care National Obligated
Group); Series 2010 A, RB 6.25 % 11/15/40 1,000 1,106,110
Colorado (State of) Regional Transportation District (Denver Transit Partners Eagle P3);
Series 2010, Private Activity RB 6.00 % 01/15/41 1,000 1,139,750
Copperleaf Metropolitan District No. 2; Series 2006, Limited Tax GO
Bonds 5.85 % 12/01/26 1,420 1,166,658
Series 2006, Limited Tax GO Bonds 5.95 % 12/01/36 2,000 1,510,880
Denver (City of) Convention Center Hotel Authority; Series 2006, Ref. Sr. RB (INS-SGI) (b) 5.00 % 12/01/35 925 958,568
Fossil Ridge Metropolitan District No. 1; Series 2010, Ref. Tax Supported Limited Tax GO
Bonds 7.25 % 12/01/40 500 530,805
Montrose (County of) Memorial Hospital Board of Trustees; Series 2003, Enterprise
RB 6.00 % 12/01/33 1,000 1,040,510
Northwest Metropolitan District No. 3; Series 2005, Limited Tax GO Bonds 6.25 % 12/01/35 2,000 1,983,320
11,030,576
Connecticut–0.33%
Georgetown (City of) Special Taxing District; Series 2006 A, Unlimited Tax GO Bonds (e)(f) 5.13 % 10/01/36 2,955 1,187,437
Delaware–0.28%
Sussex (County of) (Cadbury at Lewes); Series 2006 A, First Mortgage RB 6.00 % 01/01/35 1,000 1,007,290
District of Columbia–0.78%
District of Columbia (Cesar Chavez Charter School); Series 2011, RB 7.88 % 11/15/40 1,000 1,169,780
District of Columbia; Series 2009 B, Ref. Sec. Income Tax RB (d) 5.00 % 12/01/25 1,335 1,590,986
2,760,766

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Florida–11.19%
Alachua (County of) (North Florida Retirement Village, Inc.); Series 2007,
IDR 5.25 % 11/15/17 $ 1,000 $ 1,026,100
Series 2007, IDR 5.88 % 11/15/36 2,000 1,984,840
Series 2007, IDR 5.88 % 11/15/42 1,000 984,820
Alachua (County of) Health Facilities Authority (Terraces at Bonita Springs); Series 2011
A, RB 8.13 % 11/15/46 1,000 1,160,720
Beacon Lakes Community Development District; Series 2003 A, Special Assessment
RB 6.90 % 05/01/35 670 677,893
Broward (County of) (Civic Arena); Series 2006 A, Ref. Professional Sports Facilities Tax
RB (INS-AGM) (b)(d) 5.00 % 09/01/23 7,245 7,966,747
Capital Trust Agency (Million Air One LLC); Series 2011, RB (a) 7.75 % 01/01/41 1,000 1,118,860
Collier (County of) Industrial Development Authority (Arlington Naples); Series 2011,
Continuing Care Community BAN 14.00 % 05/15/15 500 504,765
Florida (State of) Mid-Bay Bridge Authority; Series 2011 A, Springing Lien
RB 7.25 % 10/01/40 1,000 1,244,790
Florida Development Finance Corp. (Renaissance Charter School, Inc.); Series 2010 A,
Educational Facilities RB 6.00 % 09/15/40 1,000 1,061,000
Series 2012 A, Educational Facilities RB 6.13 % 06/15/43 1,000 987,120
Lee (County of) Industrial Development Authority (Cypress Cove Healthpark); Series 2012,
Ref. RB 5.75 % 10/01/42 1,000 1,052,270
Miami-Dade (County of); Series 2009, Sub. Special Obligation CAB RB (c) 0.00 % 10/01/42 7,900 1,771,891
Midtown Miami Community Development District; Series 2004 A, Special Assessment
RB 6.25 % 05/01/37 2,475 2,507,794
Orange (County of) Health Facilities Authority (Orlando Lutheran Towers, Inc.); Series
2005, Ref. RB 5.38 % 07/01/20 850 868,521
Series 2005, Ref. RB 5.70 % 07/01/26 1,000 1,019,900
Series 2007, First Mortgage RB 5.50 % 07/01/32 1,000 1,017,110
Series 2007, First Mortgage RB 5.50 % 07/01/38 500 507,080
Pinellas (County of) Health Facilities Authority (The Oaks of Clearwater); Series 2004,
RB 6.25 % 06/01/34 1,500 1,522,395
Renaissance Commons Community Development District; Series 2005 A, Special Assessment
RB 5.60 % 05/01/36 1,780 1,509,244
South Miami (City of) Health Facilities Authority (Baptist Health South Florida Obligated
Group); Series 2007, Hospital RB (d) 5.00 % 08/15/32 7,000 7,604,660
St. Johns (County of) Industrial Development Authority (Presbyterian Retirement
Communities); Series 2010 A, RB 6.00 % 08/01/45 1,000 1,108,050
University Square Community Development District; Series 2007 A-1, Capital Improvement
Special Assessment RB 5.88 % 05/01/38 610 623,310
39,829,880
Georgia–1.27%
Atlanta (City of) (Beltline); Series 2009 B, Tax Allocation RB 7.38 % 01/01/31 1,000 1,221,900
Atlanta (City of) (Eastside); Series 2005 B, Tax Allocation RB 5.40 % 01/01/20 800 857,496
Series 2005 B, Tax Allocation RB 5.60 % 01/01/30 1,500 1,611,720
Clayton (County of) Development Authority (Delta Air Lines, Inc.); Series 2009 B,
Special Facilities RB (a) 9.00 % 06/01/35 750 835,178
4,526,294
Hawaii–1.41%
Hawaii (State of) Department of Budget & Finance (15 Craigside); Series 2009 A,
Special Purpose Senior Living RB 8.75 % 11/15/29 1,000 1,197,600
Hawaii (State of) Department of Budget & Finance (Hawaiian Electric Co., Inc. &
Subsidiary); Series 2009, Special Purpose RB 6.50 % 07/01/39 1,000 1,172,630
Hawaii (State of) Department of Budget & Finance (Kahala Nui); Series 2003 A, Special
Purpose RB (g)(h) 8.00 % 11/15/13 2,500 2,638,150
5,008,380
Idaho–0.25%
Idaho (State of) Health Facilities Authority (Valley Vista Care Corp.); Series 2007, Ref.
RB 6.13 % 11/15/27 850 874,259
Illinois–14.60%
Bolingbrook (Village of) Special Services Area No. 1 (Forest City); Series 2005, Special
Tax RB 5.90 % 03/01/27 1,750 1,623,790
Bolingbrook (Village of); Series 2005, Sales Tax RB 6.25 % 01/01/24 2,000 1,554,920

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Illinois–(continued)
Chicago (City of) (Lakeshore East); Series 2002, Special Assessment Improvement
RB 6.75 % 12/01/32 $ 3,059 $ 3,133,670
Chicago (City of); Series 2011, COP 7.13 % 05/01/25 1,030 1,146,163
Cook (County of) (Navistar International Corp.); Series 2010, Recovery Zone Facility
RB 6.50 % 10/15/40 1,000 1,093,410
Illinois (State of) Finance Authority (Collegiate Housing Foundation - DeKalb II, LLC -
Northern Illinois University); Series 2011, Student Housing RB 6.88 % 10/01/43 1,000 1,196,480
Illinois (State of) Finance Authority (Friendship Village of Schaumburg); Series 2010,
RB 7.00 % 02/15/38 1,445 1,493,697
Illinois (State of) Finance Authority (Greenfields of Geneva); Series 2010 A,
RB 8.00 % 02/15/30 1,130 1,195,348
Illinois (State of) Finance Authority (Luther Oaks); Series 2006 A, RB 5.70 % 08/15/28 500 500,190
Series 2006 A, RB 6.00 % 08/15/39 1,500 1,517,235
Illinois (State of) Finance Authority (Montgomery Place); Series 2006 A,
RB 5.75 % 05/15/38 2,000 2,072,760
Illinois (State of) Finance Authority (Park Place of Elmhurst); Series 2010 A,
RB 8.25 % 05/15/45 1,000 1,057,450
Illinois (State of) Finance Authority (Plymouth Place); Series 2013, Ref.
RB 6.00 % 05/15/43 1,000 980,890
Illinois (State of) Finance Authority (The Admiral at the Lake); Series 2010 A,
RB 7.25 % 05/15/20 1,000 1,058,110
Illinois (State of) Finance Authority (The Landing at Plymouth Place); Series 2005 A,
RB 6.00 % 05/15/37 2,500 2,381,125
Illinois (State of) Finance Authority (United Neighborhood Organization Charter School
Network, Inc.); Series 2011, Ref. Charter School RB 6.88 % 10/01/31 500 593,480
Series 2011, Ref. Charter School RB 7.13 % 10/01/41 500 595,405
Illinois (State of) Finance Authority (University of Chicago); Series 2013 A, RB (d) 5.25 % 10/01/52 3,000 3,363,150
Illinois (State of) Finance Authority (Villa St. Benedict); Series 2003 A-1, RB (f) 6.90 % 11/15/33 1,750 1,312,605
Illinois (State of) Finance Authority; Series 2003 A, RB 7.00 % 11/15/32 2,000 2,013,800
Illinois (State of) Metropolitan Pier & Exposition Authority (McCormick Place
Expansion); Series 2010 A, RB (d) 5.50 % 06/15/50 960 1,055,290
Series 2010 B, Ref. CAB RB (INS-AGM) (b)(c) 0.00 % 06/15/43 10,000 2,258,500
Illinois (State of) Regional Transportation Authority; Series 2003 A, RB (INS-NATL) (b)(d) 6.00 % 07/01/33 3,000 3,888,840
Illinois (State of) Toll Highway Authority; Series 2008 B, RB (d) 5.50 % 01/01/33 3,000 3,377,010
Series 2013 A, RB (d) 5.00 % 01/01/38 2,100 2,312,289
Long Grove (Village of) (Sunset Grove); Series 2010, Limited Obligation Tax Increment
Allocation RB 7.50 % 01/01/30 1,000 1,068,980
Pingree Grove (Village of) (Cambridge Lakes Learning Center); Series 2011,
RB 8.50 % 06/01/41 1,000 1,101,630
Pingree Grove (Village of) (Cambridge Lakes); Series 2006-1, Special Service Area No. 7
Special Tax RB 6.00 % 03/01/36 2,420 2,477,136
Southwestern Illinois Development Authority (U.S. Steel Corp.) Series 2012, RB (a) 5.75 % 08/01/42 1,000 1,014,130
United City of Yorkville (City of) Special Service Area No. 2006-113 (Cannonball/Beecher
Road); Series 2007, Special Tax RB 5.75 % 03/01/28 955 967,950
Upper Illinois River Valley Development Authority (Pleasant View Luther Home); Series
2010, RB 7.38 % 11/15/45 1,000 1,085,240
Will (County of) & Kankakee (City of) Regional Development Authority (Senior Estates
Supportive Living); Series 2007, MFH RB (a) 7.00 % 12/01/42 1,450 1,507,362
51,998,035
Indiana–1.32%
Carmel (City of) (Barrington Carmel); Series 2012 A, RB 7.13 % 11/15/47 515 565,686
Crown Point (City of) (Wittenberg Village); Series 2009 A, Economic Development
RB 8.00 % 11/15/39 1,000 1,160,760
Indiana (State of) Finance Authority (King’s Daughters Hospital & Health
Services); Series 2010, Hospital RB 5.50 % 08/15/45 745 804,146
St. Joseph (County of) (Holy Cross Village at Notre Dame); Series 2006 A, Economic
Development RB 6.00 % 05/15/26 560 583,934
Series 2006 A, Economic Development RB 6.00 % 05/15/38 525 541,569
Vigo (County of) Hospital Authority (Union Hospital, Inc.); Series 2007, RB (e) 5.80 % 09/01/47 1,000 1,040,200
4,696,295
Iowa–2.36%
Cass (County of) (Cass County Memorial Hospital); Series 2010 A, Hospital
RB 7.25 % 06/01/35 1,000 1,113,070
Iowa (State of) Finance Authority (Bethany Life Communities); Series 2006 A, Ref. Senior
Housing RB 5.55 % 11/01/41 1,000 1,006,190

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Iowa–(continued)
Iowa (State of) Finance Authority (Iowa Fertilizer Co.); Series 2013, Midwestern Disaster
Area RB 5.25 % 12/01/25 $ 1,500 $ 1,548,915
Iowa (State of) Finance Authority (Madrid Home); Series 2007, Ref. Health Care Facility
RB 5.90 % 11/15/37 750 736,267
Iowa (State of) Finance Authority (Western Home); Series 2012, Ref. Health Care
Facilities RB 5.25 % 12/01/37 1,000 1,005,570
Iowa (State of) Tobacco Settlement Authority; Series 2005 C, Asset-Backed
RB 5.38 % 06/01/38 1,000 968,620
Series 2005 D, Asset-Backed CAB RB (c) 0.00 % 06/01/46 10,000 990,700
Orange City (City of); Series 2008, Ref. Hospital Capital Loan RN 5.60 % 09/01/32 1,000 1,023,550
8,392,882
Kansas–0.40%
Olathe (City of) (Catholic Care Campus, Inc.); Series 2006 A, Senior Living Facility
RB 6.00 % 11/15/38 1,400 1,437,632
Kentucky–0.33%
Kentucky (State of) Economic Development Finance Authority (Masonic Home Independent
Living II); Series 2011, RB 7.38 % 05/15/46 1,000 1,158,310
Louisiana–0.86%
Lakeshore Villages Master Community Development District; Series 2007, Special Assessment
RB (f) 5.25 % 07/01/17 1,984 794,632
Louisiana (State of) Local Government Environmental Facilities & Community
Development Authority (Westlake Chemical Corp.); Series 2009 A, RB 6.50 % 08/01/29 1,000 1,201,990
Louisiana (State of) Public Facilities Authority (Lake Charles Memorial Hospital); Series
2007, Ref. Hospital RB (e) 6.38 % 12/01/34 1,000 1,073,410
3,070,032
Maine–0.33%
Maine (State of) Health & Higher Educational Facilities Authority (Maine General
Medical Center); Series 2011, RB 6.75 % 07/01/41 1,000 1,189,440
Maryland–1.73%
Baltimore (City of) (East Baltimore Research Park); Series 2008 A, Special Obligation Tax
Allocation RB 7.00 % 09/01/38 1,000 1,085,960
Harford (County of); Series 2011, Special Obligation Tax Allocation RB 7.50 % 07/01/40 1,000 1,116,030
Maryland (State of) Health & Higher Educational Facilities Authority (King Farm
Presbyterian Retirement Community); Series 2007 A, RB 5.30 % 01/01/37 1,750 1,676,798
Maryland (State of) Health & Higher Educational Facilities Authority (Washington
Christian Academy); Series 2006, RB (f) 5.50 % 07/01/38 800 223,968
Maryland (State of) Industrial Development Financing Authority (Our Lady of Good Counsel
High School Facility); Series 2005 A, Economic Development RB 6.00 % 05/01/35 1,000 1,037,630
Westminster (City of) (Carroll Lutheran Village); Series 2004 A, Economic Development
RB 6.25 % 05/01/34 1,000 1,005,360
6,145,746
Massachusetts–1.97%
Massachusetts (State of) Development Finance Agency (Evergreen Center Inc.); Series 2005,
RB 5.50 % 01/01/35 800 806,464
Massachusetts (State of) Development Finance Agency (Linden Ponds, Inc.
Facility); Series 2011 A-1, RB 6.25 % 11/15/46 709 636,477
Series 2011 A-2, RB 5.50 % 11/15/46 38 30,178
Series 2011 B, CAB RB (c) 0.00 % 11/15/56 187 1,318
Massachusetts (State of) Development Finance Agency (Loomis Community); Series 1999 A,
First Mortgage RB 5.63 % 07/01/15 465 466,255
Series 1999 A, First Mortgage RB 5.75 % 07/01/23 1,500 1,501,755
Massachusetts (State of) Development Finance Agency (Massachusetts Institute of
Technology); Series 2002 K, RB (d) 5.50 % 07/01/32 505 686,078
Massachusetts (State of) Development Finance Agency (The Groves in Lincoln); Series 2009
A, Senior Living Facility RB 7.75 % 06/01/39 1,000 470,040

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Massachusetts–(continued)
Massachusetts (State of) Development Finance Agency (Tufts Medical Center); Series 2011
I, RB 6.88 % 01/01/41 $ 1,000 $ 1,183,190
Massachusetts (State of); Series 2004 A, Ref. Limited Tax GO Bonds (INS-AMBAC) (b)(d) 5.00 % 08/01/30 960 1,241,693
7,023,448
Michigan–0.65%
Dearborn Economic Development Corp. (Henry Ford Village, Inc.); Series 2008, Ref. Limited
Obligation RB 7.00 % 11/15/28 1,200 1,264,764
Michigan (State of) Strategic Fund (The Dow Chemical Co.); Series 2003 A-1, Ref. Limited
Obligation RB (a)(h) 6.75 % 06/02/14 1,000 1,056,240
2,321,004
Minnesota–3.79%
Anoka (City of) (The Homestead at Anoka, Inc.); Series 2011 A, Health Care Facilities
RB 7.00 % 11/01/40 1,000 1,074,010
Baytown (Township of) (St. Croix Preparatory Academy); Series 2012, Lease
RB 5.75 % 08/01/42 500 513,190
Bloomington (City of) Port Authority (Radisson Blu Mall of America, LLC); Series 2010,
Recovery Zone Facility RB 9.00 % 12/01/35 1,000 1,181,060
Brooklyn Park (City of) (Prairie Seeds Academy); Series 2009 A, Lease RB 9.25 % 03/01/39 1,000 1,148,670
Minneapolis (City of) (Fairview Health Services); Series 2008 A, Health Care System
RB 6.75 % 11/15/32 1,500 1,810,575
North Oaks (City of) (Presbyterian Homes of North Oaks, Inc.); Series 2007, Senior
Housing RB 6.13 % 10/01/39 1,500 1,584,315
Rochester (City of) (Samaritan Bethany, Inc.); Series 2009 A, Ref. Health Care &
Housing RB 7.38 % 12/01/41 1,000 1,121,450
St. Paul (City of) Housing & Redevelopment Authority (Emerald Gardens); Series 2010,
Ref. Tax Increment Allocation RB 6.25 % 03/01/25 1,000 1,054,580
St. Paul (City of) Housing & Redevelopment Authority (Hmong College Prep Academy);
Series 2012 A, Charter School Lease RB 5.25 % 09/01/32 1,060 1,097,619
Wayzata (City of) (Folkestone Senior Living Community); Series 2012 A, Senior Housing
RB 6.00 % 05/01/47 1,000 1,094,490
West St. Paul (City of) (Walker Thompson Hill, LLC); Series 2011A, Health Care Facilities
RB 7.00 % 09/01/46 700 755,524
Winsted (City of) (St. Mary’s Care Center); Series 2010 A, Health Care
RB 6.88 % 09/01/42 1,000 1,060,880
13,496,363
Mississippi–0.28%
Mississippi Business Finance Corp. (System Energy Resources, Inc.); Series 1998,
PCR 5.88 % 04/01/22 1,000 1,003,010
Missouri–2.71%
Branson (City of) Regional Airport Transportation Development District; Series 2007 B,
Airport RB (a)(f) 6.00 % 07/01/37 1,200 179,724
Branson Hills Infrastructure Facilities Community Improvement District; Series 2007 A,
Special Assessment RB 5.50 % 04/01/27 750 489,517
Bridgeton (City of) Industrial Development Authority (Sarah Community); Series 2011 A,
Ref. & Improvement Senior Housing RB 6.38 % 05/01/35 1,000 1,066,210
Cass (County of); Series 2007, Hospital RB 5.63 % 05/01/38 1,000 1,021,880
Kansas City (City of) Industrial Development Authority (Plaza Library); Series 2004,
RB 5.90 % 03/01/24 1,000 1,009,470
Kansas City (City of) Industrial Development Authority (Ward Parkway Center Community
Improvement District); Series 2011, Sales Tax RB 6.75 % 10/01/41 1,000 1,051,820
Kirkwood (City of) Industrial Development Authority (Aberdeen Heights); Series 2010 A,
Retirement Community RB 8.25 % 05/15/39 1,000 1,189,250
St. Louis (County of) Industrial Development Authority (Grand Center Redevelopment);
Series 2011, Tax Increment Allocation Improvement RB 6.38 % 12/01/25 1,000 1,066,380
St. Louis (County of) Industrial Development Authority (Ranken-Jordan); Series 2007, Ref.
Health Facilities RB 5.00 % 11/15/22 1,000 1,025,140
St. Louis (County of) Industrial Development Authority (St. Andrew’s Resources for
Seniors); Series 2007 A, Senior Living Facilities RB 6.38 % 12/01/41 1,500 1,568,235
9,667,626
Nebraska–0.31%
Gage (County of) Hospital Authority No. 1 (Beatrice Community Hospital & Health
Center); Series 2010 B, Health Care Facilities RB 6.75 % 06/01/35 1,000 1,104,470

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Nevada–1.16%
Henderson (City of) (Local Improvement District No. T-18); Series 2006, Special
Assessment RB 5.30 % 09/01/35 $ 700 $ 547,484
Las Vegas (City of) Redevelopment Agency; Series 2009 A, Tax Increment Allocation
RB 8.00 % 06/15/30 1,200 1,363,548
Mesquite (City of) (Special Improvement District No. 07-01-Anthem at Mesquite); Series
2007, Special Assessment Local Improvement RB 6.00 % 08/01/23 945 956,690
Sparks (City of) (Local Improvement District No. 3 - Legends at Sparks Marina); Series
2008, Special Assessment Limited Obligation Improvement RB 6.50 % 09/01/20 1,190 1,259,603
4,127,325
New Hampshire–0.62%
New Hampshire (State of) Business Finance Authority (Huggins Hospital); Series 2009,
First Mortgage RB 6.88 % 10/01/39 985 1,072,695
New Hampshire (State of) Health & Education Facilities Authority (Rivermead); Series
2011 A, RB 6.88 % 07/01/41 1,000 1,130,460
2,203,155
New Jersey–3.26%
Essex (County of) Improvement Authority (Newark); Series 2010 A, RB 6.25 % 11/01/30 1,000 1,140,030
New Jersey (State of) Economic Development Authority (Continental Airlines,
Inc.); Series 2012, RB (a) 5.75 % 09/15/27 1,000 1,043,770
New Jersey (State of) Economic Development Authority (Lions Gate); Series 2005 A,
First Mortgage RB 5.75 % 01/01/25 710 718,243
Series 2005 A, First Mortgage RB 5.88 % 01/01/37 1,230 1,237,847
New Jersey (State of) Economic Development Authority (Seashore Gardens Living Center);
Series 2006, First Mortgage RB 5.38 % 11/01/36 700 657,223
New Jersey (State of) Economic Development Authority (United Methodist Homes); Series
1998, Ref. RB 5.13 % 07/01/25 2,000 2,000,540
New Jersey (State of) Health Care Facilities Financing Authority (St. Joseph’s
Health Care System); Series 2008, RB 6.63 % 07/01/38 1,000 1,139,090
New Jersey (State of) Higher Education Student Assistance Authority; Series 2012-1B, Ref.
Student Loan RB (a) 5.75 % 12/01/39 2,000 2,090,920
Tobacco Settlement Financing Corp.; Series 2007 1A, Asset-Backed RB 5.00 % 06/01/29 1,000 956,470
Series 2007 1A, Asset-Backed RB 5.00 % 06/01/41 700 622,041
11,606,174
New Mexico–0.31%
New Mexico (State of) Hospital Equipment Loan Council (La Vida Llena); Series 2010 A,
First Mortgage RB 6.13 % 07/01/40 1,000 1,087,160
New York–3.95%
Brooklyn Arena Local Development Corp. (Barclays Center); Series 2009, PILOT CAB RB (c) 0.00 % 07/15/35 1,475 519,303
Series 2009, PILOT CAB RB (c) 0.00 % 07/15/46 10,000 2,074,800
Mount Vernon (City of) Industrial Development Agency (Wartburg Senior Housing,
Inc./Meadowview); Series 1999, Civic Facility RB 6.15 % 06/01/19 720 721,080
Series 1999, Civic Facility RB 6.20 % 06/01/29 500 500,410
Nassau (County of) Industrial Development Agency (Amsterdam at Harborside); Series 2007
A, Continuing Care Retirement Community RB 6.50 % 01/01/27 1,500 852,030
New York & New Jersey (States of) Port Authority; One Hundred Sixty-Ninth Series
2011, Consolidated RB (a)(d) 5.00 % 10/15/27 1,700 1,935,841
One Hundred Sixty-Ninth Series 2011, Consolidated RB (a)(d) 5.00 % 10/15/28 1,300 1,469,091
New York (City of) Industrial Development Agency (Polytechnic University); Series 2007,
Ref. Civic Facility RB (INS-ACA) (b) 5.25 % 11/01/37 1,200 1,282,176
New York (State of) Dormitory Authority (Orange Regional Medical Center); Series 2008,
RB 6.25 % 12/01/37 1,000 1,103,360
New York Liberty Development Corp. (Bank of America Tower at One Bryant Park); Series
2010, Ref. Second Priority Liberty RB 6.38 % 07/15/49 1,000 1,186,770

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
New York–(continued)
New York Liberty Development Corp. (National Sports Museum); Series 2006 A, RB (Acquired
08/07/06; Cost $1,697,125) (e)(f) 6.13 % 02/15/19 $ 2,000 $ 20
Seneca (County of) Industrial Development Agency (Seneca Meadows, Inc.); Series 2005, RB (a)(e)(h) 6.63 % 10/01/13 1,000 1,010,490
Suffolk (County of) Industrial Development Agency (Medford Hamlet Assisted Living);
Series 2005, Assisted Living Facility RB (a) 6.38 % 01/01/39 1,410 1,413,229
14,068,600
North Carolina–0.32%
North Carolina (State of) Medical Care Commission (WhiteStone); Series 2011 A, First
Mortgage Retirement Facilities RB 7.75 % 03/01/41 1,000 1,138,950
North Dakota–0.28%
Grand Forks (City of) (4000 Valley Square); Series 2006, Ref. Senior Housing
RB 5.30 % 12/01/34 1,000 1,003,200
Ohio–3.89%
Buckeye Tobacco Settlement Financing Authority; Series 2007 A-2, Sr. Asset-Backed
RB 5.13 % 06/01/24 1,000 938,700
Series 2007 B, First Sub. Asset-Backed CAB RB (c) 0.00 % 06/01/47 40,000 2,792,000
Centerville (City of) (Bethany Lutheran Village Continuing Care Facility Expansion);
Series 2007 A, Health Care RB 6.00 % 11/01/38 1,500 1,559,310
Cuyahoga (County of) (Eliza Jennings Senior Care Network); Series 2007 A, Health Care
& Independent Living Facilities RB 5.75 % 05/15/27 2,000 2,063,660
Franklin (County of) (First Community Village Obligated Group); Series 2013, Ref. Health
Care Facilities RB 5.63 % 07/01/47 750 732,870
Gallia (County of) (Holzer Health System Obligated Group); Series 2012, Ref. &
Improvement Hospital Facilities RB 8.00 % 07/01/42 1,000 1,123,880
Lorain (County of) Port Authority (U.S. Steel Corp.); Series 2010, Recovery Zone Facility
RB 6.75 % 12/01/40 1,000 1,137,800
Montgomery (County of) (St. Leonard); Series 2010, Ref. & Improvement Health Care
& MFH RB 6.63 % 04/01/40 1,000 1,107,320
Ohio (State of) Air Quality Development Authority (FirstEnergy Generation Corp.); Series
2009 C, Ref. PCR 5.63 % 06/01/18 1,000 1,159,790
Toledo-Lucas (County of) Port Authority (Crocker Park Public Improvement); Series 2003,
Special Assessment RB 5.38 % 12/01/35 1,200 1,230,948
13,846,278
Oklahoma–0.90%
Citizen Potawatomi Nation; Series 2004 A, Sr. Obligation Tax RB 6.50 % 09/01/16 1,000 988,160
Oklahoma (State of) Development Finance Authority (Inverness Village Community); Series
2012, Ref. Continuing Care Retirement Community RB 6.00 % 01/01/32 1,000 1,090,910
Tulsa (County of) Industrial Authority (Montereau, Inc.); Series 2010 A, Senior Living
Community RB 7.25 % 11/01/45 1,000 1,120,530
3,199,600
Pennsylvania–4.79%
Allegheny (County of) Industrial Development Authority (Propel Charter School-Montour);
Series 2010 A, Charter School RB 6.75 % 08/15/35 950 1,053,398
Allegheny (County of) Redevelopment Authority (Pittsburgh Mills); Series 2004, Tax
Allocation RB 5.60 % 07/01/23 1,000 1,028,110
Bucks (County of) Industrial Development Authority (Ann’s Choice, Inc.
Facility); Series 2005 A, Retirement Community RB 6.13 % 01/01/25 1,500 1,521,765
Series 2005 A, Retirement Community RB 6.25 % 01/01/35 1,750 1,775,393
Chester (County of) Industrial Development Authority (RHA/Pennsylvania Nursing Homes,
Inc.); Series 2002, First Mortgage RB 8.50 % 05/01/32 2,655 2,710,675
Cumberland (County of) Municipal Authority (Asbury Pennsylvania Obligated Group); Series
2010, RB 6.13 % 01/01/45 965 1,051,589
Harrisburg (City of) Authority (Harrisburg University of Science); Series 2007 B,
University RB 6.00 % 09/01/36 1,800 1,282,554

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Pennsylvania–(continued)
Lehigh (County of) General Purpose Authority (Bible Fellowship Church Homes, Inc.);
Series 2013, RB 5.25 % 07/01/42 $ 1,000 $ 983,110
Montgomery (County of) Industrial Development Authority (Philadelphia Presbytery Homes,
Inc.); Series 2010, RB 6.63 % 12/01/30 1,000 1,164,080
Pennsylvania (State of) Intergovernmental Cooperation Authority (City of Philadelphia
Funding Program); Series 2009, Ref. Special Tax RB (d) 5.00 % 06/15/21 3,000 3,504,240
Washington (County of) Redevelopment Authority (Victory Centre Tanger Outlet
Development); Series 2006 A, Tax Allocation RB 5.45 % 07/01/35 950 971,546
17,046,460
Puerto Rico–0.49%
Puerto Rico Sales Tax Financing Corp.; Series 2007 A, CAB RB (INS-AMBAC) (b)(c) 0.00 % 08/01/54 20,000 1,727,600
Rhode Island–0.24%
Tobacco Settlement Financing Corp.; Series 2002 A, Asset-Backed RB 6.25 % 06/01/42 835 849,613
South Carolina–1.84%
Georgetown (County of) (International Paper Co.); Series 2000 A, Ref. Environmental
Improvement RB 5.95 % 03/15/14 700 723,674
Myrtle Beach (City of) (Myrtle Beach Air Force Base); Series 2006 A, Tax Increment
Allocation RB 5.25 % 10/01/26 885 817,713
Series 2006 A, Tax Increment Allocation RB 5.30 % 10/01/35 2,000 1,785,960
South Carolina (State of) Jobs-Economic Development Authority (The Woodlands at
Furman); Series 2012, Ref. RB 6.00 % 11/15/42 1,087 711,147
Series 2012, Ref. Sub. CAB RB (c) 0.00 % 11/15/47 466 466
South Carolina (State of) Jobs-Economic Development Authority (Wesley Commons); Series
2006, Ref. First Mortgage Health Facilities RB 5.13 % 10/01/26 1,000 1,010,600
Series 2006, Ref. First Mortgage Health Facilities RB 5.30 % 10/01/36 1,500 1,506,150
6,555,710
South Dakota–0.28%
Sioux Falls (City of) (Dow Rummel Village); Series 2006, Ref. Health Facilities
RB 5.00 % 11/15/33 1,000 981,140
Tennessee–2.63%
Johnson City (City of) Health & Educational Facilities Board (Mountain States Health
Alliance); Series 2006 A, First Mortgage Hospital RB 5.50 % 07/01/31 2,000 2,106,620
Shelby (County of) Health, Educational & Housing Facilities Board (The Village at
Germantown); Series 2003 A, Residential Care Facility Mortgage RB (g)(h) 7.25 % 12/01/13 2,500 2,586,675
Series 2006, Residential Care Facility Mortgage RB (g)(h) 6.25 % 12/01/16 450 514,485
Shelby (County of) Health, Educational & Housing Facilities Board (Trezevant
Manor); Series 2006 A, RB 5.75 % 09/01/37 2,000 2,005,660
Series 2013 A, Ref. RB 5.50 % 09/01/47 1,000 957,740
Trenton (City of) Health & Educational Facilities Board (RHA/Trenton MR, Inc.);
Series 2009, RB 9.25 % 04/01/39 1,000 1,194,750
9,365,930
Texas–10.48%
Alliance Airport Authority, Inc. (Federal Express Corp.); Series 2006, Ref. Special
Facilities RB (a) 4.85 % 04/01/21 1,200 1,277,832
Austin Convention Enterprises, Inc.; Series 2006 B, Ref. Second Tier Convention Center RB (e) 5.75 % 01/01/34 1,100 1,143,703
Capital Area Cultural Education Facilities Finance Corp. (The Roman Catholic Diocese of
Austin); Series 2005 B, RB 6.13 % 04/01/45 1,000 1,109,810
Central Texas Regional Mobility Authority; Series 2011, Sub. Lien RB 6.75 % 01/01/41 1,000 1,164,800
Clifton Higher Education Finance Corp. (Uplift Education); Series 2010 A, Education
RB 6.25 % 12/01/45 1,000 1,156,470
Decatur (City of) Hospital Authority (Wise Regional Health System); Series 2004 A,
RB 7.13 % 09/01/34 1,750 1,823,955
HFDC of Central Texas, Inc. (Sears Tyler Methodist); Series 2009 A, RB 7.75 % 11/15/44 1,000 757,770
HFDC of Central Texas, Inc.; Series 2006 A, Retirement Facilities RB 5.75 % 11/01/36 1,000 1,038,170

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Texas–(continued)
Houston (City of) (Continental Airlines, Inc.); Series 2001 E, Airport System Special
Facilities RB (a) 6.75 % 07/01/21 $ 1,000 $ 1,003,660
Series 2001 E, Airport System Special Facilities RB (a) 6.75 % 07/01/29 500 502,165
Series 2011 A, Ref. Airport System Special Facilities RB (a) 6.63 % 07/15/38 1,000 1,141,710
Houston Higher Education Finance Corp. (Cosmos Foundation, Inc.); Series 2011 A,
RB 6.88 % 05/15/41 1,000 1,256,300
La Vernia Higher Education Finance Corp. (Amigos Por Vida Friends for Life); Series 2008,
RB 6.25 % 02/15/26 1,465 1,506,943
La Vernia Higher Education Finance Corp. (Knowledge is Power Program, Inc.); Series 2009
A, RB 6.25 % 08/15/39 1,000 1,156,360
Lubbock Health Facilities Development Corp. (Carillon Senior LifeCare
Community); Series 2005 A, Ref. First Mortgage RB 6.50 % 07/01/26 2,500 2,632,375
North Texas Tollway Authority; Series 2008 A, Ref. First Tier System RB (INS-BHAC) (b)(d) 5.75 % 01/01/48 3,000 3,459,720
Series 2011 B, Special Project System CAB RB (c) 0.00 % 09/01/37 7,000 2,022,720
Red River Health Facilities Development Corp. (MRC the Crossings); Series
2012, Continuing Care Retirement Community BAN (e) 12.00 % 12/14/17 825 820,537
Red River Health Facilities Development Corp. (Sears Methodist Retirement System); Series
2013, Retirement Facility RB 6.15 % 11/15/49 1,000 980,030
San Antonio Convention Hotel Finance Corp. (Empowerment Zone); Series 2005 A, Contract
RB (INS-AMBAC) (a)(b) 5.00 % 07/15/39 1,000 1,001,240
Sanger Industrial Development Corp. (Texas Pellets); Series 2012 B, RB (a) 8.00 % 07/01/38 1,000 1,063,870
Tarrant County Cultural Education Facilities Finance Corp. (Mirador); Series 2010
A, Retirement Facility RB 8.13 % 11/15/39 1,000 1,124,250
Tarrant County Cultural Education Facilities Finance Corp. (Stayton at Museum Way);
Series 2009 A, Retirement Facility RB 8.25 % 11/15/44 1,000 1,147,700
Texas (State of) Turnpike Authority (Central Texas Turnpike System); Series 2002, CAB RB (INS-AMBAC) (b)(c) 0.00 % 08/15/33 4,160 1,257,609
Texas Private Activity Bond Surface Transportation Corp. (LBJ Infrastructure); Series
2010, Sr. Lien RB 7.00 % 06/30/40 1,000 1,214,360
Texas Private Activity Bond Surface Transportation Corp. (NTE Mobility Partners LLC North
Tarrant Express Management Lanes); Series 2009, Sr. Lien RB 6.88 % 12/31/39 1,000 1,193,630
Texas State Public Finance Authority Charter School Finance Corp. (Odyssey Academy,
Inc.); Series 2010 A, Education RB 7.13 % 02/15/40 1,000 1,128,350
Travis County Health Facilities Development Corp. (Westminster Manor); Series 2010,
RB 7.00 % 11/01/30 1,000 1,189,440
Tyler Health Facilities Development Corp. (Mother Frances Hospital Regional Health Care
Center); Series 2007, Ref. Hospital RB 5.00 % 07/01/33 1,000 1,055,610
37,331,089
Utah–0.30%
Utah (State of) Charter School Finance Authority (North Davis Preparatory Academy);
Series 2010, Charter School RB 6.38 % 07/15/40 1,000 1,083,030
Virginia–1.03%
Lexington (City of) Industrial Development Authority (Kendal at Lexington); Series 2007
A, Residential Care Facilities Mortgage RB 5.50 % 01/01/37 1,050 1,066,632
Peninsula Town Center Community Development Authority; Series 2007, Special Obligation
RB 6.45 % 09/01/37 226 242,315
Virginia (State of) Small Business Financing Authority (Elizabeth River Crossings Opco,
LLC); Series 2012, Sr. Lien RB (a) 5.50 % 01/01/42 1,000 1,072,310
Virginia (State of) Small Business Financing Authority (Hampton Roads Proton Beam Therapy
Institute at Hampton University, LLC); Series 2009, RB (e)(g)(h) 9.00 % 07/01/14 1,200 1,285,176
3,666,433
Washington–2.28%
King (County of) Public Hospital District No. 4 (Snoqualmie Valley Hospital); Series
2009, Ref. & Improvement Limited Tax GO Bonds 7.25 % 12/01/38 1,000 1,023,640
Series 2011, Ref. & Improvement Limited Tax GO Bonds 7.00 % 12/01/40 1,000 1,091,550
King (County of); Series 2011 B, Ref. Sewer RB (d) 5.00 % 01/01/34 3,000 3,364,200
Washington (State of) Health Care Facilities Authority (Central Washington Health
Services Association); Series 2009, RB 7.00 % 07/01/39 1,000 1,142,270

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Principal Amount (000) Value
Washington–(continued)
Washington (State of) Health Care Facilities Authority (Seattle Cancer Care Alliance);
Series 2009, RB 7.38 % 03/01/38 $ 1,200 $ 1,505,340
8,127,000
West Virginia–0.29%
West Virginia (State of) Hospital Finance Authority (Thomas Health System); Series 2008,
RB 6.50 % 10/01/38 1,000 1,047,940
Wisconsin–1.93%
Wisconsin (State of) Health & Educational Facilities Authority (Beaver Dam Community
Hospitals, Inc.); Series 2004 A, RB (g)(h) 6.75 % 08/15/14 1,250 1,295,513
Wisconsin (State of) Health & Educational Facilities Authority (Prohealth Care, Inc.
Obligated Group); Series 2009, RB 6.38 % 02/15/29 1,500 1,734,210
Wisconsin (State of) Health & Educational Facilities Authority (St. John’s
Community, Inc.); Series 2009 A, RB 7.63 % 09/15/39 1,000 1,150,810
Wisconsin (State of) Health & Educational Facilities Authority (Wisconsin Illinois
Senior Housing, Inc.); Series 2012, RB 5.88 % 08/01/42 1,000 991,630
Wisconsin (State of) Public Finance Authority (Glenridge Palmer Ranch); Series 2011 A,
Continuing Care Retirement Community RB 8.25 % 06/01/46 1,000 1,196,880
Wisconsin (State of) Public Finance Authority (Voyager Foundation Inc.); Series 2012 A,
Charter School RB 6.20 % 10/01/42 500 513,485
6,882,528
TOTAL
INVESTMENTS (i) –107.18% (Cost $359,742,750) 381,625,874
FLOATING RATE NOTE OBLIGATIONS–(8.63)%
Notes with interest rates ranging from 0.11% to 0.22% at 05/31/13 and contractual
maturities of collateral ranging from 06/15/21 to 10/01/52 (See Note 1D) (j) (30,725,000 )
OTHER ASSETS LESS LIABILITIES–1.45% 5,169,478
NET ASSETS–100.00% $ 356,070,352

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Investment Abbreviations:
ACA — ACA Financial Guaranty Corp.
AGM — Assured Guaranty Municipal Corp.
AMBAC — American Municipal Bond Assurance Corp.
BAN — Bond Anticipation Notes
BHAC — Berkshire Hathaway Assurance Corp.
CAB — Capital Appreciation Bonds
COP — Certificates of Participation
GO — General Obligation
IDR — Industrial Development Revenue Bonds
INS — Insurer
MFH — Multi-Family Housing
NATL — National Public Finance Guarantee Corp.
PCR — Pollution Control Revenue Bonds
PILOT — Payment-in-Lieu-of-Tax
RB — Revenue Bonds
Ref. — Refunding
RN — Revenue Notes
Sec. — Secured
SGI — Syncora Guarantee, Inc.
Sr. — Senior
Sub. — Subordinated

Notes to Schedule of Investments:

(a) Security subject to the alternative minimum tax.

(b) Principal and/or interest payments are secured by the bond insurance company listed.

(c) Zero coupon bond issued at a discount.

(d) Underlying security related to Dealer Trusts entered into by the Trust. See Note 1D.

(e) Security purchased or received in a transaction exempt from registration under the Securities Act of 1933, as amended (the “1933 Act”). The security may be resold pursuant to an exemption from registration under the 1933 Act, typically to qualified institutional buyers. The aggregate value of these securities at May 31, 2013 was $8,456,175, which represented 2.37% of the Trust’s Net Assets.

(f) Defaulted security. Currently, the issuer is partially or fully in default with respect to interest payments. The aggregate value of these securities at May 31, 2013 was $3,698,386, which represented 1.04% of the Trust’s Net Assets.

(g) Advance refunded; secured by an escrow fund of U.S. Government obligations or other highly rated collateral.

(h) Security has an irrevocable call by the issuer or mandatory put by the holder. Maturity date reflects such call or put.

(i) Entities may either issue, guarantee, back or otherwise enhance the credit quality of a security. The entities are not primarily responsible for the issuer’s obligation but may be called upon to satisfy issuers obligations. No concentration of any single entity was greater than 5%.

(j) Floating rate note obligations related to securities held. The interest rates shown reflect the rates in effect at May 31, 2013. At May 31, 2013, the Trust’s investments with a value of $54,874,541 are held by Dealer Trusts and serve as collateral for the $30,725,000 in the floating rate note obligations outstanding at that date.

See accompanying notes which are an integral part of this schedule.

Invesco Municipal Income Opportunities Trust

Notes to Quarterly Schedule of Portfolio Holdings

May 31, 2013

(Unaudited)

NOTE 1 — Significant Accounting Policies

A. Security Valuations – Securities, including restricted securities, are valued according to the following policy.

Securities are fair valued using an evaluated quote provided by an independent pricing service approved by the Board of Trustees. Evaluated quotes provided by the pricing service may be determined without exclusive reliance on quoted prices, and may reflect appropriate factors such as institution-size trading in similar groups of securities, developments related to specific securities, dividend rate (for unlisted equities), yield (for debt obligations), quality, type of issue, coupon rate (for debt obligations), maturity (for debt obligations), individual trading characteristics and other market data. Debt obligations are subject to interest rate and credit risks. In addition, all debt obligations involve some risk of default with respect to interest and/or principal payments.

Securities for which market quotations either are not readily available or became unreliable are valued at fair value as determined in good faith by or under the supervision of the Trust’s officers following procedures approved by the Board of Trustees. Some of the factors which may be considered in determining fair value are fundamental analytical data relating to the investment; the nature and duration of any restrictions on transferability or disposition; trading in similar securities by the same issuer or comparable companies; relevant political, economic or issuer specific news; and other relevant factors under the circumstances.

Valuations change in response to many factors including the historical and prospective earnings of the issuer, the value of the issuer’s assets, general economic conditions, interest rates, investor perceptions and market liquidity. Because of the inherent uncertainties of valuation, the values reflected in the financial statements may materially differ from the value received upon actual sale of those investments.

B. Securities Transactions and Investment Income – Securities transactions are accounted for on a trade date basis. Realized gains or losses on sales are computed on the basis of specific identification of the securities sold. Interest income is recorded on the accrual basis from settlement date. Dividend income (net of withholding tax, if any) is recorded on the ex-dividend date. Bond premiums and discounts are amortized and/or accreted for financial reporting purposes.

The Trust may periodically participate in litigation related to Trust investments. As such, the Trust may receive proceeds from litigation settlements. Any proceeds received are included in the Statement of Operations as realized gain (loss) for investments no longer held and as unrealized gain (loss) for investments still held.

Brokerage commissions and mark ups are considered transaction costs and are recorded as an increase to the cost basis of securities purchased and/or a reduction of proceeds on a sale of securities. Such transaction costs are included in the determination of net realized and unrealized gain (loss) from investment securities reported in the Statement of Operations and the Statement of Changes in Net Assets and the net realized and unrealized gains (losses) on securities per share in the Financial Highlights. Transaction costs are included in the calculation of the Trust’s net asset value and, accordingly, they reduce the Trust’s total returns. These transaction costs are not considered operating expenses and are not reflected in net investment income reported in the Statement of Operations and Statement of Changes in Net Assets, or the net investment income per share and ratios of expenses and net investment income reported in the Financial Highlights, nor are they limited by any expense limitation arrangements between the Trust and the investment adviser.

C. Country Determination – For the purposes of making investment selection decisions and presentation in the Schedule of Investments, the investment adviser may determine the country in which an issuer is located and/or credit risk exposure based on various factors. These factors include the laws of the country under which the issuer is organized, where the issuer maintains a principal office, the country in which the issuer derives 50% or more of its total revenues and the country that has the primary market for the issuer’s securities, as well as other criteria. Among the other criteria that may be evaluated for making this determination are the country in which the issuer maintains 50% or more of its assets, the type of security, financial guarantees and enhancements, the nature of the collateral and the sponsor organization. Country of issuer and/or credit risk exposure has been determined to be the United States of America, unless otherwise noted.

Invesco Municipal Income Opportunities Trust

D. Floating Rate Note Obligations – The Trust invests in inverse floating rate securities, such as Residual Interest Bonds (“RIBs”) or Tender Option Bonds (“TOBs”) for investment purposes and to enhance the yield of the Trust. Inverse floating rate investments tend to underperform the market for fixed rate bonds in a rising interest rate environment, but tend to outperform the market for fixed rate bonds when interest rates decline or remain relatively stable. Such transactions may be purchased in the secondary market without first owning the underlying bond or by the sale of fixed rate bonds by the Trust to special purpose trusts established by a broker dealer (“Dealer Trusts”) in exchange for cash and residual interests in the Dealer Trusts’ assets and cash flows, which are in the form of inverse floating rate securities. The Dealer Trusts finance the purchases of the fixed rate bonds by issuing floating rate notes to third parties and allowing the Trust to retain residual interests in the bonds. The floating rate notes issued by the Dealer Trusts have interest rates that reset weekly and the floating rate note holders have the option to tender their notes to the Dealer Trusts for redemption at par at each reset date. The residual interests held by the Trust (inverse floating rate investments) include the right of the Trust (1) to cause the holders of the floating rate notes to tender their notes at par at the next interest rate reset date, and (2) to transfer the municipal bond from the Dealer Trusts to the Trust, thereby collapsing the Dealer Trusts.

TOBs are presently classified as private placement securities. Private placement securities are subject to restrictions on resale because they have not been registered under the Securities Act of 1933, as amended, or are otherwise not readily marketable. As a result of the absence of a public trading market for these securities, they may be less liquid than publicly traded securities. Although these securities may be resold in privately negotiated transactions, the prices realized from these sales could be less than those originally paid by the Trust or less than what may be considered the fair value of such securities.

The Trust accounts for the transfer of bonds to the Dealer Trusts as secured borrowings, with the securities transferred remaining in the Trust’s investment assets, and the related floating rate notes reflected as Trust liabilities under the caption Floating rate note obligations on the Statement of Assets and Liabilities. The Trust records the interest income from the fixed rate bonds under the caption Interest and records the expenses related to floating rate obligations and any administrative expenses of the Dealer Trusts a component of Interest, facilities and maintenance fees on the Statement of Operations.

The Trust generally invests in inverse floating rate securities that include embedded leverage, thus exposing the Trust to greater risks and increased costs. The primary risks associated with inverse floating rate securities are varying degrees of liquidity and the changes in the value of such securities in response to changes in market rates of interest to a greater extent than the value of an equal principal amount of a fixed rate security having similar credit quality, redemption provisions and maturity which may cause the Trust’s net asset value to be more volatile than if it had not invested in inverse floating rate securities. In certain instances, the short-term floating rate interests created by the special purpose trust may not be able to be sold to third parties or, in the case of holders tendering (or putting) such interests for repayment of principal, may not be able to be remarketed to third parties. In such cases, the special purpose trust holding the long-term fixed rate bonds may be collapsed. In the case of RIBs or TOBs created by the contribution of long-term fixed income bonds by the Trust, the Trust will then be required to repay the principal amount of the tendered securities. During times of market volatility, illiquidity or uncertainty, the Trust could be required to sell other portfolio holdings at a disadvantageous time to raise cash to meet that obligation.

E. Other Risks – The value of, payment of interest on, repayment of principal for and the ability to sell a municipal security may be affected by constitutional amendments, legislative enactments, executive orders, administrative regulations, voter initiatives and the economics of the regions in which the issuers are located.

Since many municipal securities are issued to finance similar projects, especially those relating to education, health care, transportation and utilities, conditions in those sectors can affect the overall municipal securities market and a Trust’s investments in municipal securities.

There is some risk that a portion or all of the interest received from certain tax-free municipal securities could become taxable as a result of determinations by the Internal Revenue Service.

Invesco Municipal Income Opportunities Trust

NOTE 2 — Additional Valuation Information

Generally Accepted Accounting Principles (“GAAP”) defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date, under current market conditions. GAAP establishes a hierarchy that prioritizes the inputs to valuation methods, giving the highest priority to readily available unadjusted quoted prices in an active market for identical assets (Level 1) and the lowest priority to significant unobservable inputs (Level 3), generally when market prices are not readily available or are unreliable. Based on the valuation inputs, the securities or other investments are tiered into one of three levels. Changes in valuation methods may result in transfers in or out of an investment’s assigned level:

Level 1 – Prices are determined using quoted prices in an active market for identical assets.
Level 2 – Prices are determined using other significant observable inputs. Observable inputs are inputs that other market participants may use in pricing a security.
These may include quoted prices for similar securities, interest rates, prepayment speeds, credit risk, yield curves, loss severities, default rates, discount rates, volatilities and others.
Level 3 – Prices are determined using significant unobservable inputs. In situations where quoted prices or observable inputs are unavailable (for example, when there is
little or no market activity for an investment at the end of the period), unobservable inputs may be used. Unobservable inputs reflect the Trust’s own assumptions about the factors market participants would use in determining fair value of the
securities or instruments and would be based on the best available information.

As of May 31, 2013, all of the securities in this Trust were valued based on Level 2 inputs (see the Schedule of Investments for security categories). The level assigned to the securities valuations may not be an indication of the risk or liquidity associated with investing in those securities. Because of the inherent uncertainties of valuation, the values reflected in the financial statements may materially differ from the value received upon actual sale of those investments.

NOTE 3 — Investment Securities

The aggregate amount of investment securities (other than short-term securities, U.S. Treasury obligations and money market funds, if any) purchased and sold by the Trust during the three months ended May 31, 2013 was $20,729,562 and $12,784,003, respectively. Cost of investments on a tax basis includes the adjustments for financial reporting purposes as of the most recently completed federal income tax reporting period-end.

| Unrealized Appreciation (Depreciation) of
Investment Securities on a Tax Basis — Aggregate unrealized appreciation of investment securities | $ 35,542,423 | |
| --- | --- | --- |
| Aggregate unrealized (depreciation) of investment securities | (13,325,936 | ) |
| Net unrealized appreciation of investment securities | $ 22,216,487 | |
| Cost of investments for tax purposes is $359,409,387. | | |

Invesco Municipal Income Opportunities Trust

Item 2. Controls and Procedures.

(a) As of May 23, 2013, an evaluation was performed under the supervision and with the participation of the officers of the Registrant, including the Principal Executive Officer (“PEO”) and Principal Financial Officer (“PFO”), to assess the effectiveness of the Registrant’s disclosure controls and procedures, as that term is defined in Rule 30a-3(c) under the Investment Company Act of 1940 (“Act”), as amended. Based on that evaluation, the Registrant’s officers, including the PEO and PFO, concluded that, as of May 23, 2013, the Registrant’s disclosure controls and procedures were reasonably designed so as to ensure: (1) that information required to be disclosed by the Registrant on Form N-Q is recorded, processed, summarized and reported within the time periods specified by the rules and forms of the Securities and Exchange Commission; and (2) that material information relating to the Registrant is made known to the PEO and PFO as appropriate to allow timely decisions regarding required disclosure.

(b) There have been no changes in the Registrant’s internal control over financial reporting (as defined in Rule 30a-3(d) under the 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 of PEO and PFO as required by Rule 30a-2(a) under the Investment Company Act of 1940.

SIGNATURES

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.

Registrant: Invesco Municipal Income Opportunities Trust

By: /s/ Philip A. Taylor
Philip A. Taylor
Principal Executive Officer
Date: July 30, 2013

Pursuant to the requirements of the Securities and 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/ Philip A. Taylor
Philip A. Taylor
Principal Executive Officer
Date: July 30, 2013
By: /s/ Sheri Morris
Sheri Morris
Principal Financial Officer
Date: July 30, 2013

EXHIBIT INDEX

Certifications of Principal Executive Officer (“PEO”) and Principal Financial Officer (“PFO”) as required by Rule 30a-2(a) under the Investment Company Act of 1940, as amended.

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