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Invesco Municipal Income Opportunities Trust

Regulatory Filings Apr 23, 2009

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N-Q 1 y75736bnvq.htm FORM N-Q N-Q PAGEBREAK

TOC /TOC

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

Morgan Stanley Municipal Income Opportunities Trust

(Exact name of registrant as specified in charter)

522 Fifth Avenue, New York, New York 10036
(Address of principal executive
offices) (Zip code)

Randy Takian 522 Fifth Avenue, New York, New York 10036

(Name and address of agent for service)

Registrant’s telephone number, including area code: 212-296-6963

Date of fiscal year end: May 31, 2009

Date of reporting period: February 28, 2009

link2 "Item 1. Schedule of Investments"

Item 1. Schedule of Investments.

The Fund’s schedule of investments as of the close of the reporting period prepared pursuant to Rule 12-12 of Regulation S-X is as follows:

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Morgan Stanley Municipal Income Opportunities Trust Portfolio of Investments February 28, 2009 (unaudited)

PRINCIPAL — AMOUNT IN COUPON MATURITY
THOUSANDS RATE DATE VALUE
Tax-Exempt Municipal Bonds (103.3%)
Alabama (1.1%)
1,000 Colbert County — Northwest Health Care Authority, Helen Keller Hospital Ser 2003 5.75 % 06/01/27 $ 791,800
400 Cullman Medical Park South, Medical ClinicBoard of the City Ser 1993 A 6.50 02/15/23 357,308
1,149,108
Arizona (1.6%)
800 Pima County Industrial Development Authority, Water & Wastewater Ser 2007 (AMT) 6.55 12/01/37 548,416
1,225 Pima County Industrial Development Authority, Constellation Schools Ser 2008 7.00 01/01/38 911,045
400 Pinal County Electrical District # 4 Ser 2008 6.00 12/01/38 318,440
1,777,901
California (5.0%)
1,875 California County Tobacco Securitization Agency, Gold County Settlement Funding Corp Ser 2006 0.00 06/01/33 161,719
335 California Municipal Finance Authority Educational Facility, Ser 2008 5.875 07/01/28 238,282
1,000 California Statewide Communities Development Authority, California Baptist University Ser 2007 A 5.50 11/01/38 587,640
400 California Statewide Communities Development Authority, Thomas Jefferson School Ser 2008 A 7.25 10/01/38 297,388
995 Daly City Housing Development Finance Agency, Franciscan Mobile Home Park Third Tier Refg
Ser 2007 C 6.50 12/15/47 684,480
4,000 Golden State Tobacco Securitization Corporation, Asset Backed Ser 2007 A-1 5.125 06/01/47 2,156,240
800 Quechan Indian Tribe FT Yuma Indian Reservation Ser 2008 7.00 12/01/27 604,712
1,000 Santa Ana Unified School District Community Facilities, District #2004-1, Central Park Ser 2005 5.10 09/01/35 636,310
13,000 Silicon Valley Tobacco Securitization Authority, Santa Clara Tobacco Securitization Corp Ser 2007 C 0.00 06/01/56 70,460
5,437,231
Colorado (4.3%)
1,000 Colorado Health Facilities Authority, Christian Living Communities Ser 2006 A 5.75 01/01/37 643,350
500 Colorado Health Facilities Authority, Christian Living Communities Ser 2009 A 9.00 01/01/34 501,350
295 Colorado Housing & Finance Authority, 1998 Ser B-3 6.35 11/01/29 302,847
1,000 Copperleaf Metropolitan District #2 Ser 2006 5.95 12/01/36 548,980
2,000 Elk Valley Public Improvement Corporation Ser 2001 A 7.35 09/01/31 1,579,800
2,000 Northwest Metropolitan District #3 Ser 2005 6.25 12/01/35 1,038,940
4,615,267
Connecticut (1.5%)
2,000 Georgetown Special Taxing District Ser 2006 A (b) 5.125 10/01/36 1,018,960
1,000 Mashantucket (Western) Pequot Tribe, Special Ser 1997 B (b) 5.75 09/01/27 560,890
1,579,850
District of Columbia (0.2%)
260 Metropolitan Washington Airports Authority, District of Columbia &
Virginia, CaterAir International Corp Ser 1991 (AMT) (c) 10.125 09/01/11 251,238
Florida (18.2%)
500 Alachua County Industrial Development, North Florida Retirement Village Ser 2007 5.25 11/15/17 394,735
800 Alachua County Florida Industrial Development, North Florida Retirement Village Ser 2007 5.875 11/15/36 483,128
1,880 Beacon Lakes, Community Development District Ser 2003 A 6.90 05/01/35 1,334,968
950 Bellalago Educational Facilities Benifits District, Bellalago Chapter School Ser 2004 B 5.80 05/01/34 708,187
645 Brevard County Health Facilities authority, Buena Vida Estates, Inc Ser 2007 6.75 01/01/37 456,531
2,960 Broward County Professional Sports Facilities, Civic Arena Refg Ser 2006 A (AMBAC Insd) (a) 5.00 09/01/23 3,008,000
2,780 Escambia County, Pensacola Care Development Centers Ser 1989 10.25 07/01/11 2,790,313
645 Escambia County, Pensacola Care Development Centers Ser 1989 A 10.25 07/01/11 647,393
1,000 Fiddlers Creek Community Development District # 1 Ser 2005 6.00 05/01/38 619,590
500 Fountainbleau Lakes Community Development District Ser 2007 B (b) 6.00 05/01/15 392,100
750 Grand Bay at Doral Community Development District Ser 2007 A 6.00 05/01/39 385,485
1,000 Lee County Florida Industrial Development Authority Ser 2007 A 5.375 06/15/37 556,530
500 Miami Beach Health Facilities Authority, Mount Sinai Medical Center, Refg Ser 2004 6.75 11/15/21 371,190
1,000 Midtown Miami Community Development District, Parking Garage Ser 2004 A 6.25 05/01/37 635,100
500 Orange County Health Facilities Authority, Orlando Lutheran Towers, Inc Ser 2005 5.70 07/01/26 335,025
2,000 Orange County Health Facilities Authority, Orlando Lutheran Towers, Inc Ser 2007 5.50 07/01/32 1,220,520
1,000 Orange County Health Facilities Authority, Westminister Community Care Services Inc Ser 1999 6.75 04/01/34 752,550
1,000 Pinellas County Health Facilities Authority, Oaks of Clearwater Ser 2004 6.25 06/01/34 826,580
965 Renaissance Commons Community Development District, Ser 2005 A 5.60 05/01/36 568,163
2,860 South Miami Health Facilities Authority, Baptist Health South Florida Obligated Group Ser 2007 (a) 5.00 08/15/32 2,553,623
500 Split Pine Community Development District, Ser 2007 A 5.25 05/01/39 257,850
600 Tolomato Community Development District, Special Assessment Ser 2007 6.55 05/01/27 413,490
19,711,051
Georgia (1.2%)
2,000 Atlanta Eastside Ser 2005 B 5.60 01/01/30 1,354,320
Hawaii (2.0%)
1,000 Hawaii Department of Budget & Finance, Kahala Nui Ser 2003 A 8.00 11/15/33 886,540
1,220 Hawaii Ser 2008 DK (a) 5.00 05/01/23 1,284,750
2,171,290
Idaho (0.6%)
1,000 Idaho Health Facilities Authority — Valley Vista Care Corp Refg Ser 2007 6.125 11/15/27 679,390

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PRINCIPAL — AMOUNT IN COUPON MATURITY
THOUSANDS RATE DATE VALUE
Illinois (7.7%)
1,000 Bolingbrook Sales Tax Ser 2005 6.25 01/01/24 579,999
750 Bolingbrook, Will & Dupage Counties Special Service Area #2005-1 Ser 2005 5.90 03/01/27 509,813
2,000 Chicago Lake Shore East Ser 2002 6.75 12/01/32 1,353,759
500 Hampshire, Kane County Special Service Area # 18 Crown Development
Tamms Farm Ser 2007 A 6.00 03/01/44 252,455
1,000 Illinois Finance Authority, Elmhurst Memorial Healthcare Ser 2008 A 5.625 01/01/37 676,760
1,000 Illinois Finance Authority, Landing at Plymouth Ser 2005 A 6.00 05/15/37 609,580
1,000 Illinois Finance Authority, Luther Oaks Ser 2006 A 6.00 08/15/39 625,800
1,650 Illinois Finance Authority, Montgomery Place Ser 2006 A 5.75 05/15/38 997,607
1,200 Illinois State Toll Highway Authority, 2008 Ser B (a) 5.50 01/01/33 1,230,312
725 Lincolnshire, Service Area #1-Sedgebrook Ser 2004 6.25 03/01/34 456,185
650 Will-Kankakee Regional Development Authority, Senior Estates Supportive Living Ser 2007 (AMT) 7.00 12/01/42 477,549
1,000 Yorkville Special Service Area #2006-113, Cannonball/Beecher Road Ser 2007 5.75 03/01/28 537,120
8,306,939
Iowa (1.4%)
750 Iowa Finance Authority Health Care Facilities, Madrid Homes Ser 2007 5.90 11/15/37 464,550
1,000 Iowa Finance Authority, Bethany Life Communities Refg Ser 2006 A 5.55 11/01/41 552,390
785 Jefferson County Hospital Ser 2007 C 5.95 08/01/37 493,569
1,510,509
Kansas (0.5%)
900 Olathe Catholic Care Ser 2006 A 6.00 11/15/38 588,366
Louisiana (1.3%)
795 Lakeshore Villages Master Community Development District, Special Assessment Ser 2007 5.25 07/01/17 604,892
600 Louisiana Public Facilities Authority, Lake Charles Memorial Hospital Refg Ser 2007 6.375 12/01/34 404,982
500 St. John Baptist Parish, Marathon Oil Corp. Project, Ser 2007 A 5.125 06/01/37 368,965
1,378,839
Maryland (1.5%)
1,000 Maryland Economic Development Corporation, Chesapeake Bay Conference Center Ser 2006 A 5.00 12/01/31 510,720
800 Maryland Health & Higher Educational Facilities Authority, Washington Christian Academy
Ser 2006 5.50 07/01/38 412,248
500 Maryland Industrial Development Financing Authority, Our Lady of Good Counsel High School
Ser 2005 A 6.00 05/01/35 329,370
750 Maryland State Health & Higher Educational Facilities Authority, King Farm Presbyterian Community
2007 Ser A 5.30 01/01/37 393,120
1,645,458
Massachusetts (3.2%)
425 Massachusetts Development Finance Agency, Linden Ponds, Inc. Facility Ser 2007 A 5.75 11/15/42 233,372
1,500 Massachusetts Development Finance Agency, Loomis Communities Ser 1999 A 5.75 07/01/23 1,203,405
1,570 Massachusetts Development Finance Agency, New England Center for Children Ser 1998 5.875 11/01/18 1,269,235
1,000 Massachusetts Health & Educational Facilities Authority, The Learning Center for Deaf Children
Ser 1999 C 6.125 07/01/29 710,420
3,416,432
Michigan (1.5%)
500 Dearborn Economic Development Corp., Henry Ford Village, Inc. Refg Ser 2008 7.00 11/15/28 395,905
2,000 Michigan Tobacco Settlement Finance Authority, Asset Backed Ser 2007 A 6.00 06/01/48 1,178,180
1,574,085
Minnesota (1.1%)
600 Minneapolis Health Care System, Fairview Health Services Ser 2008 A 6.75 11/15/32 628,872
750 North Oaks Senior Housing Presbyterian Homes Ser 2007 6.125 10/01/39 559,013
1,187,885
Mississippi (0.3%)
400 Mississippi Business Finance Corp., Pollution Control Revenue Refg Ser 1998 5.875 04/01/22 329,356
Missouri (7.9%)
750 Branson Hills Community Improvement District Ser 2007A 5.50 04/01/27 517,313
500 Branson Regional Airport Transportation Development District Ser 2007 B (AMT) 6.00 07/01/37 307,535
2,000 Des Peres, West County Center Ser 2002 5.75 04/15/20 1,679,320
3,850 Fenton, Gravois Bluffs Redevelopment Refg Ser 2001 A 7.00 10/01/11 (d ) 4,394,543
1,500 Kansas City Industrial Development Agency, Bishop Spencer 2004 Ser A 6.50 01/01/35 1,010,430
250 St. Louis Industrial Development Authority, Ranken-Jordan Project Ser 2007 5.00 11/15/22 150,990
750 St. Louis Industrial Development Authority, St. Andrews Resources for Seniors Ser 2007 A 6.375 12/01/41 510,915
8,571,046
Nevada (1.3%)
450 Henderson, Nevada, Local Improvement District #T-18, Ser 2006 5.30 09/01/35 162,270
1,050 Mesquite Nevada Special Improvement District # 07-01 Local Improvement-Anthem at Mesquite
Ser 2007 6.00 08/01/23 724,395
1,000 Nevada Department of Business & Industry, Las Vegas Monorail 2nd Tier Ser 2000 7.375 01/01/40 80,000
600 Sparks, Local Improvement District # 3 Legends at Sparks Marina Ser 2008 6.50 09/01/20 495,132
1,461,797
New Hampshire (3.6%)
7,160 New Hampshire Housing Finance Authority, Single Family Residential 1983 Ser B 0.00 01/01/15 3,921,674
New Jersey (4.8%)
1,000 New Jersey Economic Development Authority, Franciscan Oaks Ser 1997 5.70 10/01/17 837,330
730 New Jersey Economic Development Authority, Lions Gate Ser 2005 A 5.875 01/01/37 456,484
700 New Jersey Economic Development Authority, Seashore Gardens Living Center Ser 2006 5.375 11/01/36 391,321
1,000 New Jersey Economic Development Authority, The Presbyterian Home at Montgomery Ser 2001 A 6.375 11/01/31 673,390
2,000 New Jersey Economic Development Authority, United Methodist Homes of New Jersey Ser 1998 5.125 07/01/25 1,220,900
2,000 New Jersey Health Care Facilities Financing Authority, Raritan Bay Medical Center Ser 1994 7.25 07/01/27 1,591,220
5,170,645
New York (4.6%)
3,000 Brookhaven Industrial Development Agency, Woodcrest Estates Ser 1998 A (AMT) 6.375 12/01/37 2,179,920
235 Mount Vernon Industrial Development Agency, Meadowview at the Wartburg Ser 1999 6.00 06/01/09 234,022
500 New York City Industrial Development Agency, Civic Facility, Polytechnic University Refg
Ser 2007 (ACA Insd) 5.25 11/01/37 372,990

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PRINCIPAL — AMOUNT IN COUPON MATURITY
THOUSANDS RATE DATE VALUE
1,800 New York City Industrial Development Agency, 7 World Trade Center LLC Ser 2005 A 6.50 03/01/35 1,263,420
1,000 New York Liberty Development Corporation, National Sports Museum, Ser 2006 A 6.125 02/15/19 1,000
1,500 Suffolk County Industrial Development Agency, Medford Hamlet Ser 2006 6.375 01/01/39 955,275
5,006,627
North Carolina (0.6%)
400 North Carolina Medical Care Commission Healthcare Facilities, Pennybyrn Ser 2005 A 6.125 10/01/35 256,140
500 North Carolina Medical Care Commission Healthcare Facilities, Southminster Ser 2007 A 5.75 10/01/37 357,420
613,560
North Dakota (1.1%)
1,500 Grand Forks 4000 Valley Square Ser 2006 5.30 12/01/34 832,440
500 Ward County, Trinity Ser 2006 5.125 07/01/29 342,840
1,175,280
Ohio (2.3%)
1,900 Buckeye Tobacco Settlement Financing Authority, Asset Backed Ser 2007 A-2 5.875 06/01/30 1,204,999
600 Centerville Health Care, Bethany Lutheran Village Continuing Care Facility, Ser 2007 A 6.00 11/01/38 367,020
850 Cuyahoga County Health Care and Independent Living Facilities, Eliza Jennings Senior Care
Ser 2007 A 5.75 05/15/27 570,741
450 Tuscarawas County Hospital Facilities, Twin City Hospital Ser 2007 6.35 11/01/37 298,688
2,441,448
Oklahoma (0.5%)
650 Chickasaw Nation Health Systems Ser 2007 6.25 12/01/32 509,002
Pennsylvania (7.0%)
2,300 Allegheny County Hospital Development Authority, West Penn Allegheny Health Ser 2007 A 5.375 11/15/40 1,246,600
1,500 Bucks County Industrial Development Authority, Ann’s Choice Ser 2005 A 6.125 01/01/25 1,085,955
1,000 Chester County Health & Educational Facilities Authority, Jenner’s Pond Inc Ser 2002 7.625 07/01/12 (d ) 1,203,040
500 Fulton County Industrial Development Authority, Fulton County Medical Center Ser 2006 5.875 07/01/31 325,215
750 Harrisburg Authority, Harrisburg University of Science & Technology Ser 2007 B 6.00 09/01/36 569,190
1,000 Montgomery County Industrial Development Authority, Whitemarsh Community Ser 2005 6.25 02/01/35 604,740
1,000 Pennsylvania Economic Development Financing Authority, Reliant Energy Inc Ser 2001 A (AMT) 6.75 12/01/36 799,010
1,200 Pennsylvania Housing Finance Agency Ser 2007-100A (AMT) 5.10 10/01/22 1,172,352
1,000 Washington County, Victory Centre/Tanger Outlet Redevelopment Authority Ser 2006 A 5.45 07/01/35 575,260
7,581,362
South Carolina (1.9%)
1,250 Myrtle Beach, Air Force Base Redevelopment Ser 2006 A 5.30 11/01/35 693,738
1,000 South Carolina Jobs — Economic Development Authority, Lutheran Homes Ser 2007 5.625 05/01/42 585,520
750 South Carolina Jobs — Economic Development Authority, Wesley Commons Ser 2006 5.30 10/01/36 414,998
625 South Carolina Jobs — Economic Development authority, Woodlands At Furman Ser 2007 A 6.00 11/15/37 387,900
2,082,156
Tennessee (1.6%)
800 Johnson City Health & Educational Facilities, Mountain States Health Alliance, Ser 2006 A 5.50 07/01/31 587,000
500 Shelby County Health, Educational & Housing Facilities Board, Trezevant Manor Ser 2006 A 5.75 09/01/37 313,145
750 Shelby County Health, Educational & Housing Facilities Board, Village at Germantown Ser 2003 A 7.25 12/01/34 555,450
500 Shelby County Health, Educational & Housing Facilities Board, Village at Germantown Ser 2006 6.25 12/01/34 324,525
1,780,120
Texas (7.8%)
500 Alliance Airport Authority, Federal Express Corp. Refg Ser 2006 (AMT) 4.85 04/01/21 379,165
2,000 Austin Convention Enterprises Inc, Convention Center Hotel Ser 2006 B 5.75 01/01/34 1,213,400
1,000 Brazos River Authority, Texas Utilities Electric Co Refg Ser 1999 A (AMT) 7.70 04/01/33 552,970
1,000 Decatur Hospital Authority, Wise Regional Health Ser 2004 A 7.125 09/01/34 757,980
1,250 HFDC Central Texas Inc, Legacy at Willow Bend, Ser 2006 A 5.75 11/01/36 725,750
425 Houston City Texas Airport, Continental Airlines, Inc. Terminal E Project, Ser 2001 6.75 07/01/21 323,884
425 Houston City Texas Airport, Continental Airlines, Inc. Terminal E Project, Ser 2001 6.75 07/01/29 302,137
1,000 Lubbock Health Facilities Development Corporation, Carillon Senior Lifecare Ser 2005 A 6.50 07/01/26 737,410
450 Tarrant County Cultural Education Facilities, Northwest Senior Housing Corp., Ser 2006 A 6.00 11/15/36 296,636
3,375 Texas Department of Housing and Community Affairs 2007 Ser B (AMT) (a) 5.15 09/01/27 3,113,107
8,402,439
Utah (0.7%)
1,000 Emery County Environmental Improvement, Pacificorp Project, Ser 1996 6.15 09/01/30 750,940
Virginia (1.5%)
2,000 Peninsula Ports Authority of Virginia, Baptist Homes Ser 2006 C 5.40 12/01/33 1,201,140
700 Peninsula Town Center Community Development Authority Ser 2007 6.45 09/01/37 438,221
1,639,361
Washington (1.5%)
650 Port of Seattle Industrial Development Corp., Northwest Airlines, Inc. Project, Ser 2001 7.25 04/01/30 467,103
500 Washington Health Care Facilities Authority, PeaceHealth, Refg Ser 2005 A (MBIA Insd) 7.375 03/01/38 515,685
1,000 Washington Housing Finance Commission, Skyline at First Hill Ser 2007 A 5.625 01/01/38 592,200
1,574,988
West Virginia (0.6%)
825 West Virginia Hospital Finance Authority, Thomas Health System, Inc. Ser 2008 6.50 10/01/38 631,331
Total Tax-Exempt Municipal Bonds
(Cost $152,011,087) 111,978,291
NUMBER OF
SHARES (000)
Short-Term Investment (0.0%)
Investment Company (e)
12 Morgan Stanley Institutional Liquidity Funds — Tax-Exempt Portfolio —
Institutional Class (Cost $11,600) 11,600
Total Investments (Cost $152,022,687) 111,989,891

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PRINCIPAL
AMOUNT IN
THOUSANDS
Floating Rate Note and Dealer Trusts Obligations Related to Securities Held (-5.5%)
$ (6,010 ) Notes with interest rates ranging from 0.60% to 1.02% at February 28, 2009 and contractual
maturities of collateral ranging from 09/01/23 to 01/01/33 (f) (Cost $(6,010,000)) (6,010,000 )
Total Net Investments (Cost $146,012,687) (g) 97.8 % 105,979,891
Other Assets in Excess of Liabilities 2.2 2,402,779
Net Assets 100.0 % $ 108,382,670
AMT Alternative Minimum Tax.
(a) Underlying security related to inverse floater entered into by the Fund.
(b) Resale is restricted to qualified institutional investors.
(c) Joint exemption.
(d) Prerefunded to call date shown.
(e) The Fund invests in Morgan Stanley Institutional Liquidity Funds — Tax-Exempt Portfolio -
Institutional Class, an open-end management investment company managed by the Investment
Adviser. Investment Advisory fees paid by the Fund are reduced by an amount equal to the
advisory and administrative service fees paid by Morgan Stanley Institutional Liquidity Funds
- Tax-Exempt Portfolio — Institutional Class with respect to assets invested by the Fund in
Morgan Stanley Institutional Liquidity Funds — Tax-Exempt Portfolio — Institutional Class.
(f) Floating rate note obligations related to securities held — The Fund enters into transactions
in which it transfers to Dealer Trusts (“Dealer Trusts”), fixed rate bonds in exchange for
cash and residual interests in the Dealer Trusts’ assets and cash flows, which are in the form
of inverse floating rate investments. The Dealer Trusts fund the purchases of the fixed rate
bonds by issuing floating rate notes to third parties and allowing the Fund to retain residual
interest in the bonds. The Fund enters into shortfall agreements with the Dealer Trusts which
commit the Fund to pay the Dealer Trusts, in certain circumstances, the difference between the
liquidation value of the fixed rate bonds held by the Dealer Trusts and the liquidation value
of the floating rate notes held by third parties, as well as any shortfalls in interest cash
flows. The residual interests held by the Fund (inverse floating rate investments) include the
right of the Fund (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 Fund, thereby collapsing the Dealer Trusts. The Fund accounts for the
transfer of bonds to the Dealer Trusts as secured borrowings, with the securities transferred
remaining in the Fund’s investment assets, and the related floating rate notes reflected as
Fund liabilities. The 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. At February 28, 2009, Fund investments with a value
of $11,189,792 are held by the Dealer Trusts and serve as collateral for the $6,010,000 in
floating rate note obligations outstanding at that date.
(g) The aggregate cost for federal income tax purposes approximates the aggregate cost for book
purposes.

Bond Insurance:

ACA ACA Financial Guaranty Corporation.
AMBAC AMBAC Assurance Corporation.
MBIA Municipal Bond Investors Assurance Corporation.

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MS Municipal Income Opportunities Trust Notes to the Portfolio of Investments FAS 157 02/28/2009

The Fund adopted Financial Accounting Standards Board Statement of Financial Accounting Standards No. 157, Fair Value Measurements (“SFAS 157”), effective June 1, 2008. In accordance with SFAS 157, fair value is defined as the price that the Fund would receive to sell an investment or pay to transfer a liability in a timely transaction with an independent buyer in the principal market, or in the absence of a principal market the most advantageous market for the investment or liability. SFAS 157 establishes a three-tier hierarchy to distinguish between (1) inputs that reflect the assumptions market participants would use in pricing an asset or liability developed based on market data obtained from sources independent of the reporting entity (observable inputs) and (2) inputs that reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing an asset or liability developed based on the best information available in the circumstances (unobservable inputs) and to establish classification of fair value measurements for disclosure purposes. Various inputs are used in determining the value of the Fund’s investments. The inputs are summarized in the three broad levels listed below.

• Level 1 — quoted prices in active markets for identical investments
• Level 2 — other significant observable inputs (including quoted prices for similar
investments, interest rates, prepayment speeds, credit risk, etc.)
• Level 3 — significant unobservable inputs (including the Fund’s own assumptions
in determining the fair value of investments)

The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities and the determination of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to each security.

The following is a summary of the inputs used as of February 28, 2009 in valuing the Fund’s investments carried at value:

Fair Value Measurements at February 28, 2009 Using Quoted Prices In Significant Significant
Active Market for Other Observable Unobservable
Identical Assets Inputs Inputs
Total (Level 1) (Level 2) (Level 3)
Investments in Securities $ 111,989,891 $ 11,600 $ 111,978,291 —

Valuation of Investments — (1) portfolio securities are valued by an outside independent pricing service approved by the Trustees. The pricing service uses both a computerized grid matrix of tax-exempt securities and and evaluations by its staff, in each case based on information concerning market transactions and quotations from dealers which reflect the mean between the last reported bid and asked price. The portfolio securities are thus valued by reference to a combination of transactions and quotations for the same or other securities believed to be comparable in quality, coupon, maturity, type of issue, call provisions, trading characteristics and other features deemed to be relevant. The Trustees believe that timely and reliable market quotations are generally not readily available for purposes of valuing tax-exempt securities and that the valuations supplied by the pricing service are more likely to approximate the fair value of such securities; (2) futures are valued at the latest sale price on the commodities exchange on which they trade unless it is determined that such price does not reflect their market value, in which case they will be valued at their fair value as determined in good faith under procedures established by and under the supervision of the Trustees; (3) interest rate swaps are marked- to-market daily based upon quotations from market makers; (4) investments in open-end mutual funds, including the Morgan Stanley Institutional Liquidity Funds, are valued at the net asset value as of the close of each business day; and (5) short-term debt securities having a maturity date of more than sixty days at time of purchase are valued on a mark-to-market basis until sixty days prior to maturity and thereafter at amortized cost based on their value on the 61st day. Short-term debt securities having a maturity date of sixty days or less at the time of purchase are valued at amortized cost.

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link2 "Item 2. Controls and Procedures"

Item 2. Controls and Procedures.

(a) The Fund’s principal executive officer and principal financial officer have concluded that the Fund’s disclosure controls and procedures are sufficient to ensure that information required to be disclosed by the Fund in this Form N-Q was recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms, based upon such officers’ evaluation of these controls and procedures as of a date within 90 days of the filing date of the report.

(b) There were no changes in the Fund’s internal control over financial reporting that occurred during the registrant’s fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Fund’s internal control over financial reporting.

link2 "Item 3. Exhibits"

Item 3. Exhibits.

(a) A separate certification for each principal executive officer and principal financial officer of the registrant are attached hereto.

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link1 "SIGNATURES"

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.

Morgan Stanley Municipal Income Opportunities Trust

/s/ Randy Takian Randy Takian Principal Executive Officer April 16, 2009

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

/s/ Randy Takian Randy Takian Principal Executive Officer April 16, 2009

/s/ Francis Smith Francis Smith Principal Financial Officer April 16, 2009

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