N-MFPLIVEN2011-04-290000856517S0000095583NNNN33-31602FEDERATED INVESTMENT MGMT CO801-34612KPMGBOSTONMAFEDERATED ADMINISTRATIVE SERVICESSTATE STREET BANK AND TRUST CO0000839287085-05003NNNOther Tax Exempt Fund24245110118359.279629329.8116019293.665103728395.420.00431.00012011-04-291.00012011-04-29C000026110500000.001077585848.881.00-95334154.24104060963.12199395117.360.00121.00012011-04-291.00012011-04-29C000026109500000.00905396497.611.003366937.31140287362.32136920425.010.00011.00012011-04-291.00012011-04-29C000026108500000.003120746048.891.00-100436467.49982695536.421083132003.910.00221.00012011-04-291.00012011-04-29Parkland Manor LPCobb County, GA Housing Authority (Parkland Manor LP) , (Series 2004), 0.370%, 9/15/2036190901CD8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN9300000.009300000.000.0018N9300000.009300000.00Sedgwick & Shawnee Counties, KSSedgwick & Shawnee Counties, KS, Floater Certificates (Series 2006-1670), 0.300%, 12/1/2038815698AH8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YMorgan Stanley BankN/AN/AYGNMAN/AN/AN3695000.003695000.000.0007N3695000.003695000.00Summer Park ApartmentsMississippi Home Corp. (Summer Park Apartments) , (Series 1999C), 0.370%, 10/1/202960535NAC1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN9770000.009770000.000.0019N9770000.009770000.00Evangelical ManorPhiladelphia, PA Authority for Industrial Development (Evangelical Manor) , (Series 2008), 0.300%, 10/1/20387178182R8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitizens Bank of PennsylvaniaN/AN/AYCitizens Bank of PennsylvaniaN/AN/AN3850000.003850000.000.0008N3850000.003850000.00California StateCalifornia State, DCL Floater Certificates (Series 2008-035), 0.900%, 8/1/203213063AJ70Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN42670000.0042670000.000.0084N42670000.0042670000.00Georgia Power Co.Monroe County, GA Development Authority (Georgia Power Co.) , (Second Series 2006), 0.270%, 12/1/2041610530EH6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN7750000.007750000.000.0015N7750000.007750000.00Minnesota State HFAMinnesota State HFA, Merlots (Series 2008-C2), 0.360%, 1/1/203860415NX80Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/ANN3325000.003325000.000.0007N3325000.003325000.00Simplot Phosphates LLCSweetwater County, WY Environmental Improvement (Simplot Phosphates LLC) , (Series 2007), 0.300%, 7/1/2026870481AD0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN32700000.0032700000.000.0064N32700000.0032700000.00Truckee Meadows, NV Water AuthorityTruckee Meadows, NV Water Authority, Stage Trust (Series 2008-14C), 0.380%, 7/28/201194985NBF7Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-282011-07-28NYWells Fargo & Co.N/AN/AN19295000.0019295000.000.0038N19301367.3519301367.35La-Z Boy Chair Co.Siloam Springs, AR (La-Z Boy Chair Co.) , IDRB (Series 1994), 0.360%, 6/1/2014827170BV2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN7100000.007100000.000.0014N7100000.007100000.00University of Alabama Health SystemBirmingham, AL Medical Clinic Board (University of Alabama Health System) , (Series 1991), 0.650%, 12/1/2026091041JH7Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN43000000.0043000000.000.0084N43000000.0043000000.00Blue Bell CreameriesBroken Arrow, OK EDA (Blue Bell Creameries) , 0.370%, 4/1/2019112099AA4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN6000000.006000000.000.0012N6000000.006000000.00Georgia Power Co.Burke County, GA Development Authority (Georgia Power Co.) , PCR (Series 1992), 0.320%, 5/1/2022121342EC9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN13155000.0013155000.000.0026N13155000.0013155000.00Rand-Whitney Containerboard LPConnecticut Development Authority (Rand-Whitney Containerboard LP) , (Series 1993), 0.280%, 8/1/2023207910BQ2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of MontrealN/AN/AYBank of MontrealN/AN/AN1400000.001400000.000.0003N1400000.001400000.00Cherry Hill Apartment Ltd.Maryland Community Development Administration - Multi Family Housing (Cherry Hill Apartment Ltd.) , (Series 1990B), 0.340%, 6/1/202057419HRH2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YPNC Bank, N.A.N/AN/AYPNC Bank, N.A.N/AN/AN8000000.008000000.000.0016N8000000.008000000.00Perdue FarmsSussex County, DE IDA (Perdue Farms) , 0.470%, 4/1/201286925MAA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-052011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN7000000.007000000.000.0014N7000000.007000000.00Direct Marketing Associates, Inc. FacilityBaltimore County, MD (Direct Marketing Associates, Inc. Facility) , (1994 Issue), 0.500%, 10/1/2014059151AC4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YManufacturers & Traders Trust Co., Buffalo, NYN/AN/AYManufacturers & Traders Trust Co., Buffalo, NYN/AN/AN565000.00565000.000.0001N565000.00565000.00New England Power Co.New Hampshire Business Finance Authority (New England Power Co.) , PCR Bonds (1990 Series A), 0.800%, 5/5/201164468D2L5Other Municipal DebtNSecond Tier SecurityN/AN/A2011-05-052011-05-05NNN10500000.0010500000.000.0021N10500420.0010500420.00Evapco, Inc.Illinois Development Finance Authority IDB (Evapco, Inc.) , (Series 1995), 0.590%, 2/1/2015451905CX9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN800000.00800000.000.0002N800000.00800000.00Home Depot, Inc.Savannah, GA EDA (Home Depot, Inc.) , (Series 1995A), 1.000%, 8/1/202580483CAZ4Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YHome Depot, Inc.N/AN/ANN10750000.0010750000.000.0021N10750000.0010750000.00Simpson-Tacoma Kraft Co.Pierce County, WA Economic Development Corp. (Simpson-Tacoma Kraft Co.) , (Series 1995), 0.630%, 10/1/202572037DAA5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN9000000.009000000.000.0018N9000000.009000000.00Polycom-Huntsman, Inc.Lake Charles, LA Harbor & Terminal District (Polycom-Huntsman, Inc.) , (Series 1995A), 0.340%, 12/1/2015507739AF7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YPNC Bank, N.A.N/AN/AYPNC Bank, N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00CSC Fabrication, Inc.Montgomery, AL IDB (CSC Fabrication, Inc.) , IDRB's (Series 1996), 0.370%, 5/1/2016613052PW3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN6000000.006000000.000.0012N6000000.006000000.00Rose's Southwest Papers, Inc.Albuquerque, NM IDRB (Rose's Southwest Papers, Inc.) , (Series 1996), 0.450%, 6/1/2016013548EN8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN430000.00430000.000.0001N430000.00430000.00Illinois Health Facilities AuthorityIllinois Health Facilities Authority, Revolving Fund Pooled Financing Program (Series 1985F), 0.270%, 8/1/2015452008WD3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN5300000.005300000.000.0010N5300000.005300000.00Information Systems and Networks Corp.Montgomery County, MD (Information Systems and Networks Corp.) , 0.880%, 4/1/2014613354AL3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN959000.00959000.000.0002N959000.00959000.00Compagnie Nationale Air France ProjectChicago, IL O'Hare International Airport (Compagnie Nationale Air France Project) , Special Facility Revenue Bonds (Series 1990), 0.280%, 5/1/2018167590BV9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YSociete Generale, ParisN/AN/AYSociete Generale, ParisN/AN/AN3000000.003000000.000.0006N3000000.003000000.00California StateCalifornia State, GO Tax Exempt Notes, 0.370%, 5/25/201113067KYC6Other Municipal DebtNFirst Tier SecurityN/AN/A2011-05-252011-05-25NYCALPERS (California Public Employees Retirement System)N/AN/ACALSTRS (California State Teachers' Retirement System)N/AN/ACredit Agricole Corporate and Investment BankN/AN/ADexia Credit LocalN/AN/ALandesbank Hessen-ThuringenN/AN/ARoyal Bank of Canada, MontrealN/AN/AWells Fargo Bank, N.A.N/AN/AN11305000.0011305000.000.0022N11305904.4011305904.40California StateCalifornia State, GO Tax Exempt Notes, 0.380%, 5/10/201113067KWS3Other Municipal DebtNFirst Tier SecurityN/AN/A2011-05-102011-05-10NYCALPERS (California Public Employees Retirement System)N/AN/ACALSTRS (California State Teachers' Retirement System)N/AN/ACredit Agricole Corporate and Investment BankN/AN/ADexia Credit LocalN/AN/ALandesbank Hessen-ThuringenN/AN/ARoyal Bank of Canada, MontrealN/AN/AWells Fargo Bank, N.A.N/AN/AN12000000.0012000000.000.0024N12000000.0012000000.00California StateCalifornia State, GO Tax Exempt Notes, 0.380%, 5/23/201113067KXY9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-05-232011-05-23NYCALPERS (California Public Employees Retirement System)N/AN/ACALSTRS (California State Teachers' Retirement System)N/AN/ACredit Agricole Corporate and Investment BankN/AN/ADexia Credit LocalN/AN/ALandesbank Hessen-ThuringenN/AN/ARoyal Bank of Canada, MontrealN/AN/AWells Fargo Bank, N.A.N/AN/AN50000000.0050000000.000.0098N50003500.0050003500.00Simonton Building Products, Inc.Ritchie County, WV (Simonton Building Products, Inc.) , IDRB (Series 1996), 0.310%, 11/1/2016767745AL6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YPNC Bank, N.A.N/AN/AYPNC Bank, N.A.N/AN/AN3760000.003760000.000.0007N3760000.003760000.00Georgia Power Co.Floyd County, GA Development Authority PCRB (Georgia Power Co.) , (First Series 1996), 0.270%, 9/1/2026343571AE5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN10080000.0010080000.000.0020N10080000.0010080000.00Georgia Power Co.Heard County, GA Development Authority (Georgia Power Co.) , (First Series 1996), 0.300%, 9/1/2026422230BS0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN3800000.003800000.000.0007N3800000.003800000.00Nucor Corp.Berkeley County, SC IDB (Nucor Corp.) , (Series 1996A), 0.430%, 3/1/2029084185DC8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/ANN10000000.0010000000.000.0020N10000000.0010000000.00Nucor Corp.Berkeley County, SC IDB (Nucor Corp.) , (Series 1997), 0.320%, 4/1/2030084185DD6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/ANN5600000.005600000.000.0011N5600000.005600000.00Appleton PapersCombined Locks, WI IDRB (Appleton Papers) , (Series 1997), 0.580%, 8/1/2027200170AM0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN4000000.004000000.000.0008N4000000.004000000.00American Laboratories, Inc.Douglas County, NE (American Laboratories, Inc.) , (Series 1997), 0.450%, 9/1/2017259237MM4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN1900000.001900000.000.0004N1900000.001900000.00Image Industries, Inc.Summerville, GA Development Authority (Image Industries, Inc.) , (Series 1997), 0.350%, 9/1/2017865803AA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN19000000.0019000000.000.0037N19000000.0019000000.00Cee Kay SupplySt. Louis, MO IDA (Cee Kay Supply) , (Series 1997), 0.490%, 12/1/2017791647CV0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCommerce Bank, N.A., Kansas CityN/AN/AYCommerce Bank, N.A., Kansas CityN/AN/AN460000.00460000.000.0001N460000.00460000.00Bluffs at Clarys Forest ApartmentsHoward County, MD Revenue Bonds (Bluffs at Clarys Forest Apartments) , (Series 1995), 0.320%, 12/1/2020442595AH7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YManufacturers & Traders Trust Co., Buffalo, NYN/AN/AYManufacturers & Traders Trust Co., Buffalo, NYN/AN/AN450000.00450000.000.0001N450000.00450000.00The Harker School FoundationABAG Finance Authority for Non-Profit Corporations, CA (The Harker School Foundation) , (Series 1998), 0.290%, 1/1/202300037EDY9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN10680000.0010680000.000.0021N10680000.0010680000.00American Iron Oxide Co.Portage, IN (American Iron Oxide Co.) , PCRB (Series 1998-A), 0.660%, 2/1/2018735725AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AYBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00American Iron Oxide Co.Portage, IN (American Iron Oxide Co.) , PCRB (Series 1998-B), 0.660%, 2/1/2018735721AQ5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AYBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AN1000000.001000000.000.0002N1000000.001000000.00South Bend Heritage Foundation, Inc.St. Joseph County, IN EDRB (South Bend Heritage Foundation, Inc.) , (Series 1998), 0.590%, 5/1/2028790608BC6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN1685000.001685000.000.0003N1685000.001685000.00Nucor Corp.Stanton County, NE (Nucor Corp.) , (Series 1998), 0.320%, 6/1/2028854743AE1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/ANN5700000.005700000.000.0011N5700000.005700000.00Nucor Corp.Berkeley County, SC IDB (Nucor Corp.) , (Series 1998), 0.430%, 4/1/2031084185DE4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/ANN25000000.0025000000.000.0049N25000000.0025000000.00Morrison Health Care, Inc.Maryland State Economic Development Corp. (Morrison Health Care, Inc.) , (Series 1998), 0.440%, 1/1/2013574205CH1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN2550000.002550000.000.0005N2550000.002550000.00Cherry Hill Apartment Ltd.Maryland Community Development Administration - Multi Family Housing (Cherry Hill Apartment Ltd.) , (Series 1990 C), 0.340%, 6/1/202057419HRG4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YPNC Bank, N.A.N/AN/AYPNC Bank, N.A.N/AN/AN2580000.002580000.000.0005N2580000.002580000.00Crisp County, GA Solid Waste Management AuthorityCrisp County, GA Solid Waste Management Authority, (Series 1998), 0.880%, 1/1/2023226706AA7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYAssured Guaranty Municipal Corp.N/AN/AN12905000.0012905000.000.0025N12905000.0012905000.00American Iron Oxide Co.Spencer County, IN PCA (American Iron Oxide Co.) , (Series 1998), 0.660%, 9/1/201884786NAB9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AYBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Wall Colmonoy Corp.Los Lunas Village, NM (Wall Colmonoy Corp.) , (Series 1998), 0.520%, 11/1/2018545561AA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN1650000.001650000.000.0003N1650000.001650000.00Assurance Mfg. Co., Inc.Coon Rapids, MN (Assurance Mfg. Co., Inc.) , (Series 1999), 0.500%, 3/1/2019216589CY5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN1600000.001600000.000.0003N1600000.001600000.00Walton Falls ApartmentsFulton County, GA Housing Authority (Walton Falls Apartments) , (Series 1999), 0.350%, 3/1/2029360055DM6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN18000000.0018000000.000.0035N18000000.0018000000.00Victor Graphics, Inc.Maryland State Economic Development Corp. (Victor Graphics, Inc.) , (Series 1999A), 0.460%, 5/1/2019574205CU2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YManufacturers & Traders Trust Co., Buffalo, NYN/AN/AYManufacturers & Traders Trust Co., Buffalo, NYN/AN/AN650000.00650000.000.0001N650000.00650000.00John H. Best & Sons, Inc.Galva, IL (John H. Best & Sons, Inc.) , (Series 1999), 0.500%, 8/1/201936416NAA9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN405000.00405000.000.0001N405000.00405000.00Undersea Sensor Systems, Inc.Whitley County, IN (Undersea Sensor Systems, Inc.) , (Series 1999), 0.500%, 9/1/201496641RAA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN1200000.001200000.000.0002N1200000.001200000.00DK Enterprises LLCHuntington, IN (DK Enterprises LLC) , (Series 1999), 0.500%, 9/1/2014446356BB2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN540000.00540000.000.0001N540000.00540000.00El Encanto, Inc.Albuquerque, NM IDRB (El Encanto, Inc.) , (Series 1999), 0.450%, 6/1/2019013548FU1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN3640000.003640000.000.0007N3640000.003640000.00Landon SchoolMaryland State Health & Higher Educational Facilities Authority (Landon School) , (Series 1999), 0.650%, 11/1/20245742165X1Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN5200000.005200000.000.0010N5200000.005200000.00Great Southern Wood, Inc.Colorado County, TX IDC (Great Southern Wood, Inc.) , (Series 2000 ), 0.310%, 4/1/2020196441AA7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN4045000.004045000.000.0008N4045000.004045000.00Taft SchoolConnecticut State HEFA (Taft School) , (Series E), 0.300%, 7/1/203020774LKV6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2300000.002300000.000.0005N2300000.002300000.00Rock-Tenn Converting Co.Tullahoma, TN IDB (Rock-Tenn Converting Co.) , (Series 1995), 0.890%, 3/1/2015899355CU3Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN845000.00845000.000.0002N845000.00845000.00Las Gardenias Apartments LPMaricopa County, AZ, IDA MFH (Las Gardenias Apartments LP) , (Series 2000A), 0.280%, 4/15/2033566823PU8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN4275000.004275000.000.0008N4275000.004275000.00Bull Moose Tube Co.Dade County, GA IDA (Bull Moose Tube Co.) , (Series 1997), 0.290%, 12/1/201223362PAA6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00Pacon Corp.Grand Chute, WI (Pacon Corp.) , (Series 2000A), 0.450%, 11/1/202038527TAA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN800000.00800000.000.0002N800000.00800000.00Florida Power & Light Co.St. Lucie County, FL PCRB (Florida Power & Light Co.) , (Series 2000), 0.270%, 9/1/2028792070BH6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YFlorida Power & Light Co.N/AN/ANN43300000.0043300000.000.0085N43300000.0043300000.00Nucor Corp.Berkeley County, SC IDB (Nucor Corp.) , 0.320%, 9/1/2028084185DB0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/ANN24000000.0024000000.000.0047N24000000.0024000000.00Hager HingeMontgomery, AL IDB (Hager Hinge) , (Series 2001), 0.330%, 1/1/2016613052RC5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1850000.001850000.000.0004N1850000.001850000.00Mississippi Home Corp.Mississippi Home Corp., Merlots (Series 2001-A8), 0.360%, 6/1/203260535MTC3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYGNMAN/AN/AN4395000.004395000.000.0009N4395000.004395000.00Missouri State Housing Development CommissionMissouri State Housing Development Commission, Merlots (Series 2001-A28), 0.790%, 9/1/203260635NPE0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYGNMAN/AN/AN1240000.001240000.000.0002N1240000.001240000.00New Hampshire State HFANew Hampshire State HFA, Merlots (Series 2001-A51), 0.790%, 7/1/203064468TSY4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/ANN1670000.001670000.000.0003N1670000.001670000.00Interplex Industries, Inc.Rhode Island Industrial Facilities Corp. (Interplex Industries, Inc.) , Series 2001, 1.030%, 6/1/20217622783F4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN2850000.002850000.000.0006N2850000.002850000.00Threemile Canyon Farms LLCPort of Morrow, OR (Threemile Canyon Farms LLC) , (Series 2001A), 0.310%, 6/1/2021734741AN1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Mangel BG Investments LLCIllinois Development Finance Authority (Mangel BG Investments LLC) , (Series 2001), 2.030%, 7/1/202145188RWX3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN2640000.002640000.000.0005N2640000.002640000.00New Hampshire State HFANew Hampshire State HFA, Merlots (Series 2001-A82), 0.790%, 7/1/203064468TTU1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/ANN485000.00485000.000.0001N485000.00485000.00Threemile Canyon Farms LLCPort of Morrow, OR (Threemile Canyon Farms LLC) , (Series 2001C), 0.310%, 6/1/2021734741AQ4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Trafalgar East ApartmentsWarwick, RI Housing Authority (Trafalgar East Apartments) , (Series 2001), 0.320%, 9/1/2031936677AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN7760000.007760000.000.0015N7760000.007760000.00Key Ingredients, Inc.Dauphin County, PA IDA (Key Ingredients, Inc.) , (Series 1998-A), 0.320%, 11/1/202323826RAA2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN1600000.001600000.000.0003N1600000.001600000.00Air Products & Chemicals, Inc.Port Arthur Navigation District, TX IDC (Air Products & Chemicals, Inc.) , (Series 2001), 0.330%, 4/1/2036733508AB1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YAir Products & Chemicals, Inc.N/AN/ANN10000000.0010000000.000.0020N10000000.0010000000.00Clark Finance LLCHarford County, MD EDA (Clark Finance LLC) , (Series 2001), 0.370%, 12/1/2022412493AE8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBranch Banking & Trust Co.N/AN/AYBranch Banking & Trust Co.N/AN/AN3220000.003220000.000.0006N3220000.003220000.00Assumption CollegeMassachusetts State Development Finance Agency (Assumption College) , (Series 2002A), 0.370%, 3/1/203257583FZM6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBanco Santander, S.A.N/AN/AYBanco Santander, S.A.N/AN/AN4345000.004345000.000.0009N4345000.004345000.00Curve Crest VillaStillwater, MN (Curve Crest Villa) , (Series 2002A), 0.360%, 5/1/2032860770BA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4390000.004390000.000.0009N4390000.004390000.00Alderwood Court Associates LPWashington State Housing Finance Commission: Multi-Family Housing (Alderwood Court Associates LP) , (Series 2002A), 0.290%, 6/15/203593978PCG0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN5350000.005350000.000.0010N5350000.005350000.00Holton-Arms School, Inc.Maryland State Health & Higher Educational Facilities Authority (Holton-Arms School, Inc.) , (Series 2002), 0.650%, 7/1/2032574217GP4Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN715000.00715000.000.0001N715000.00715000.00San Remo Apartments LPMaricopa County, AZ, IDA MFH (San Remo Apartments LP) , MFH Revenue Bonds (Series 2002), 0.270%, 9/15/2035566823SB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN3400000.003400000.000.0007N3400000.003400000.00ConocoPhillipsOklahoma Development Finance Authority (ConocoPhillips) , (Series 2002B), 0.300%, 8/1/2037678908XH2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YConocoPhillipsN/AN/ANN2500000.002500000.000.0005N2500000.002500000.00Air Products & Chemicals, Inc.Port Arthur Navigation District, TX IDC (Air Products & Chemicals, Inc.) , (Series 2000), 0.330%, 4/1/2035733508AA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YAir Products & Chemicals, Inc.N/AN/ANN1000000.001000000.000.0002N1000000.001000000.00New York City, NY Transitional Finance AuthorityNew York City, NY Transitional Finance Authority, New York City Recovery Bonds (2003 Subseries 2-A), 0.550%, 11/1/202264971KFB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YDexia Credit LocalN/AN/ANN30475000.0030475000.000.0060N30475000.0030475000.00St. Paul Leased Housing Associates ISt. Paul and Ramsey County, MN Housing and Redevelopment Authority (St. Paul Leased Housing Associates I) , (Series 2002A), 0.320%, 9/1/2035852294AX5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN21950000.0021950000.000.0043N21950000.0021950000.00The Western Reserve AcademySummit County, OH (The Western Reserve Academy) , (Series 2002), 0.510%, 10/1/202786605MAE9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN4655000.004655000.000.0009N4655000.004655000.00Florida Institute of TechnologyBrevard County, FL Educational Facilities Authority (Florida Institute of Technology) , (Series B), 0.460%, 7/1/2032107414DU5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN10200000.0010200000.000.0020N10200000.0010200000.00Eden Prairie, MN Leased Housing Associates LLPEden Prairie, MN Multifamily Housing (Eden Prairie, MN Leased Housing Associates LLP) , (Series 2003-A), 0.320%, 3/1/2036279540MS4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN6000000.006000000.000.0012N6000000.006000000.00Bishop Creek LLCMichigan State Strategic Fund (Bishop Creek LLC) , 0.430%, 2/1/203359469C5L3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YComerica BankN/AN/AYComerica BankN/AN/AN4680000.004680000.000.0009N4680000.004680000.00Summerfield Investments LLCNorthfield, MN (Summerfield Investments LLC) , (Series 2003), 0.360%, 4/1/2033666201AA6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN3020000.003020000.000.0006N3020000.003020000.00Chicago, IL O'Hare International AirportChicago, IL O'Hare International Airport, Rocs (Series 239), 0.410%, 1/1/2022167592YN8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN9100000.009100000.000.0018N9100000.009100000.00South Dakota Housing Development AuthoritySouth Dakota Housing Development Authority, (2003 Series F), 0.300%, 5/1/203483755GG76Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YLandesbank Hessen-Thuringen (Guaranteed)N/AN/ANN4000000.004000000.000.0008N4000000.004000000.00Texas Competitive Electric Holdings Co. LLCBrazos River Authority, TX (Texas Competitive Electric Holdings Co. LLC) , (Series 2002A), 0.280%, 5/1/2037106213FV8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN180000.00180000.000.0000N180000.00180000.00Waste Management, Inc.North Sumter, AL Solid Waste Disposal Authority (Waste Management, Inc.) , (Series 2003: Emelle), 0.350%, 10/1/2038662724AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN4350000.004350000.000.0009N4350000.004350000.00Waste Management, Inc.East Central, AL Solid Waste Disposal Authority (Waste Management, Inc.) , (Series 2003: Three Corners), 0.350%, 10/1/2038271480AB1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN3725000.003725000.000.0007N3725000.003725000.00Gateway Apartments LPRamsey County, MN Housing and Redevelopment Authority (Gateway Apartments LP) , (Series 2003 A), 0.320%, 10/1/2038751630AG9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN24390000.0024390000.000.0048N24390000.0024390000.00Nucor Steel Decatur LLCDecatur, AL IDB (Nucor Steel Decatur LLC) , (Series 2003-A), 0.320%, 8/1/2036242846AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/AYNucor Corp.N/AN/AN4100000.004100000.000.0008N4100000.004100000.00The Academy of the Sacred Heart of New OrleansLouisiana Local Government Environmental Facilities Community Development Authority (The Academy of the Sacred Heart of New Orleans) , (Series 2004), 5462798H6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of DallasN/AN/AYFederal Home Loan Bank of DallasN/AN/AN4000000.004000000.000.0008N4000000.004000000.00Oklahoma HFAClipper Tax-Exempt Certificates Trust (Oklahoma AMT) Series 2009-5 (Oklahoma HFA) , 0.380%, 9/1/2037188857GK6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN8644561.008644561.000.0017N8644561.008644561.00Douglas Fruit Co., Inc.Port of Pasco, WA Economic Development Corp. (Douglas Fruit Co., Inc.) , (Series 1996), 0.370%, 1/1/2016735175AB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN2585000.002585000.000.0005N2585000.002585000.00Windsor Park Partners LPMississippi Home Corp. (Windsor Park Partners LP) , (Series 2004-6), 0.330%, 10/15/203460535NAW7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN7000000.007000000.000.0014N7000000.007000000.00Highlands at East Atlanta ApartmentsDeKalb County, GA Multi-Family Housing Authority (Highlands at East Atlanta Apartments) , (Series 2004), 0.370%, 9/1/2036240471MA7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN11000000.0011000000.000.0022N11000000.0011000000.00Landings at Silver Lake VillageSt. Anthony, MN (Landings at Silver Lake Village) , (Series 2004A), 0.320%, 10/1/2037787285BB0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN16100000.0016100000.000.0032N16100000.0016100000.00Wisconsin Housing & EDAWisconsin Housing & EDA, (Series 2004E), 0.320%, 9/1/203597689PX37Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YLloyds TSB Bank plc, LondonN/AN/ANN22505000.0022505000.000.0044N22505000.0022505000.00Nora Commons LPIndianapolis, IN Multifamily Housing (Nora Commons LP) , (Series 2004A), 0.310%, 12/1/2039455284DS5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4980000.004980000.000.0010N4980000.004980000.00Pinehurst Investments LLCWhite Bear Lake, MN (Pinehurst Investments LLC) , (Series 2004), 0.360%, 12/1/2034963450CW9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN3415000.003415000.000.0007N3415000.003415000.00Westrum Harleysville II LPPennsylvania EDFA (Westrum Harleysville II LP) , (Series 2005), 0.290%, 12/1/203470869PEH6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of PittsburghN/AN/AYFederal Home Loan Bank of PittsburghN/AN/AN6200000.006200000.000.0012N6200000.006200000.00Wausau Paper Mills Co.Brokaw, WI (Wausau Paper Mills Co.) , Sewage and Solid Waste Revenue Bonds (Series 1995), 0.510%, 7/1/2023112092AA9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN9500000.009500000.000.0019N9500000.009500000.00Harris Park Partners LPHarris County, TX Housing Finance Corp. (Harris Park Partners LP) , Park at Kirkstall Apartments (Series 2002), 0.370%, 12/1/2032414158RB3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN6900000.006900000.000.0014N6900000.006900000.00Lakeshore Crossing Apartments Ltd.Alabama HFA Multi-Family Housing (Lakeshore Crossing Apartments Ltd.) , (Series 2003A), 0.370%, 3/1/203601030PEM4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN7840000.007840000.000.0015N7840000.007840000.00Cienega Preservation LPCalifornia Statewide Communities Development Authority Multi-Family Housing (Cienega Preservation LP) , (Series 2002V: Cienega Garden Apartments), 0.313077VV58Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of San FranciscoN/AN/AYFederal Home Loan Bank of San FranciscoN/AN/AN10410000.0010410000.000.0020N10410000.0010410000.00Darigold, Inc./WestFarm FoodsWashington State Economic Development Finance Authority (Darigold, Inc./WestFarm Foods) , (Series 2001L), 0.410%, 11/1/2018939758AS7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN1000000.001000000.000.0002N1000000.001000000.00MWSH Port Orchard LLCWashington State Housing Finance Commission: Multi-Family Housing (MWSH Port Orchard LLC) , (Series 2005A: Park Vista), 0.310%, 3/1/204193978RED1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of San FranciscoN/AN/AYFederal Home Loan Bank of San FranciscoN/AN/AN6500000.006500000.000.0013N6500000.006500000.00Hidden Creste ApartmentsFulton County, GA Development Authority (Hidden Creste Apartments) , (Series 2004), 0.370%, 11/15/203636005TAA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN16000000.0016000000.000.0031N16000000.0016000000.00Harold LeMay Enterprises, Inc.Washington State Economic Development Finance Authority (Harold LeMay Enterprises, Inc.) , (Series 2005B), 0.340%, 4/1/203393975VAH0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4720000.004720000.000.0009N4720000.004720000.00West Valley MRF LLCCalifornia PCFA (West Valley MRF LLC) , (Series 1997A), 0.380%, 6/1/2012130536EC5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-042011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN410000.00410000.000.0001N410000.00410000.00Sunset Waste Paper, Inc.California PCFA (Sunset Waste Paper, Inc.) , (Series 2000A), 0.380%, 11/1/2020130536HT5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YComerica BankN/AN/AYComerica BankN/AN/AN2605000.002605000.000.0005N2605000.002605000.00Sunset Waste Paper, Inc.California PCFA (Sunset Waste Paper, Inc.) , (Series 2002A), 0.380%, 11/1/2011130536KH7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-042011-05-06YComerica BankN/AN/AYComerica BankN/AN/AN480000.00480000.000.0001N480000.00480000.00Western Sky DairyCalifornia PCFA (Western Sky Dairy) , (Series 2001A), 0.310%, 9/1/2026130536JJ5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00A & M FarmsCalifornia PCFA (A & M Farms) , (Series 2004), 0.310%, 6/1/2029130536LW3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2000000.002000000.000.0004N2000000.002000000.00C.A. and E.J. Vanderham Family TrustCalifornia PCFA (C.A. and E.J. Vanderham Family Trust) , (Series 2003), 0.310%, 5/1/2028130536LD5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN2000000.002000000.000.0004N2000000.002000000.00Lakeview Partners I LPIllinois Development Finance Authority IDB (Lakeview Partners I LP) , (Series 1998), 0.470%, 1/1/2028451915AT9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4490000.004490000.000.0009N4490000.004490000.00Bos FarmsCalifornia PCFA (Bos Farms) , (Series 2001), 0.310%, 9/1/2021130536JF3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN1550000.001550000.000.0003N1550000.001550000.00Williams SchoolConnecticut State HEFA (Williams School) , (Series A), 0.360%, 7/1/203120774LUA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRBS Citizens Bank N.A.N/AN/AYRBS Citizens Bank N.A.N/AN/AN1000000.001000000.000.0002N1000000.001000000.00B & B Dairy, LLCCalifornia PCFA (B & B Dairy, LLC) , (Series 2003), 0.310%, 10/1/2028130536LL7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCoBank, ACBN/AN/AYCoBank, ACBN/AN/AN8000000.008000000.000.0016N8000000.008000000.00Brawley Beef, LLCCalifornia PCFA (Brawley Beef, LLC) , (Series 2001), 0.310%, 10/1/2016130536JD8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN6815000.006815000.000.0013N6815000.006815000.00T & W FarmsCalifornia PCFA (T & W Farms) , (Series 2002), 0.310%, 11/1/2027130536KF1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN2940000.002940000.000.0006N2940000.002940000.00Darigold, Inc./WestFarm FoodsWashington State Economic Development Finance Authority (Darigold, Inc./WestFarm Foods) , (Series 2001E), 0.410%, 8/1/2024939758AP3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN7375000.007375000.000.0014N7375000.007375000.00Waste Management, Inc.Washington State Economic Development Finance Authority (Waste Management, Inc.) , (Series 2001C), 0.340%, 2/1/202693975VAD9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4100000.004100000.000.0008N4100000.004100000.00Butterfield Creek Associates LPIllinois Development Finance Authority (Butterfield Creek Associates LP) , (Series 1999), 0.470%, 4/1/2039451915BL5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN3695000.003695000.000.0007N3695000.003695000.00DARE InvestmentsDalhart, TX Economic Development Corp. (DARE Investments) , (Series 2005), 0.310%, 5/1/2030234442AB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN2100000.002100000.000.0004N2100000.002100000.00Northside Farms LLCDalhart, TX Economic Development Corp. (Northside Farms LLC) , (Series 2005), 0.310%, 5/1/2028234442AA9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN2950000.002950000.000.0006N2950000.002950000.00Louisiana HFAClipper Tax-Exempt Certificates Trust (Louisiana-AMT) Series 2009-10 (Louisiana HFA) , 0.380%, 6/1/203518886PDP7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN2891000.002891000.000.0006N2891000.002891000.00Sedgwick & Shawnee Counties, KSClipper Tax-Exempt Certificates Trust (Kansas-AMT) Series 2009-11 (Sedgwick & Shawnee Counties, KS) , 0.380%, 12/1/202818886PEB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN13906000.0013906000.000.0027N13906000.0013906000.00Clipper Tax-Exempt Certificates Trust (Multistate AMT) Series 2009-12Clipper Tax-Exempt Certificates Trust (Multistate AMT) Series 2009-12, 0.410%, 3/1/203818886PEH4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN14258000.0014258000.000.0028N14258000.0014258000.00Clipper Tax-Exempt Certificates Trust (Multi-State AMT) Series 2009-13Clipper Tax-Exempt Certificates Trust (Multi-State AMT) Series 2009-13, 0.410%, 7/1/204818886PEP6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/ANYCollateralizedGNMAN/AN/A62916000.0062916000.000.0123N62916000.0062916000.00Mississippi Home Corp.Clipper Tax-Exempt Certificates Trust (Mississippi-AMT) Series 2009-14 (Mississippi Home Corp.) , 0.380%, 6/1/203818886PEV3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN9695000.009695000.000.0019N9695000.009695000.00Wisconsin Housing & EDAWisconsin Housing & EDA, Home Ownership Revenue Bonds (Series 2005C), 0.320%, 3/1/202897689PZ35Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YLloyds TSB Bank plc, LondonN/AN/ANN14920000.0014920000.000.0029N14920000.0014920000.00R. A. Zweig, Inc.Illinois Development Finance Authority IDB (R. A. Zweig, Inc.) , 0.390%, 6/1/2018451887TU7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN2810000.002810000.000.0006N2810000.002810000.00Wood Creek ApartmentsRoswell, GA Housing Authority (Wood Creek Apartments) , (Series 2005), 0.300%, 8/15/2035778542CA6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN8240000.008240000.000.0016N8240000.008240000.00Rhapsody Land & Development LLCHanover County, VA IDA (Rhapsody Land & Development LLC) , (Series 2005A), 0.450%, 8/1/202541077MAA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN3000000.003000000.000.0006N3000000.003000000.00Texas State Department of Housing & Community AffairsTexas State Department of Housing & Community Affairs, Merlots (Series 2003-A8), 0.790%, 1/1/2025882750HP0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYGNMAN/AN/AN175000.00175000.000.0000N175000.00175000.00Tuls Properties LLCNebraska Investment Finance Authority (Tuls Properties LLC) , (Series 2005), 0.310%, 9/1/202563967GAA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN2000000.002000000.000.0004N2000000.002000000.00Sunset Waste Paper, Inc.California PCFA (Sunset Waste Paper, Inc.) , (Series 2005A), 0.380%, 11/1/2030130536MR3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YComerica BankN/AN/AYComerica BankN/AN/AN2120000.002120000.000.0004N2120000.002120000.00Florida Power & Light Co.St. Lucie County, FL Solid Waste Disposal (Florida Power & Light Co.) , (Series 2003), 0.280%, 5/1/202479208EBY8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YFlorida Power & Light Co.N/AN/ANN72285000.0072285000.000.0142N72285000.0072285000.00University of San DiegoCalifornia Statewide Communities Development Authority (University of San Diego) , (Series 2005), 0.260%, 10/1/2045130911V56Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN13515000.0013515000.000.0026N13515000.0013515000.00FPE Renewables LLCPort of Bellingham, WA Industrial Development Corp. (FPE Renewables LLC) , (Series 2005), 1.370%, 11/1/2025733654AF4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN450000.00450000.000.0001N450000.00450000.00Eight P CPL LLCHoward County, MD Economic Development Revenue Board (Eight P CPL LLC) , (Series 2005), 0.550%, 12/1/2015442571AF2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBanco Santander, S.A.N/AN/AYBanco Santander, S.A.N/AN/AN2500000.002500000.000.0005N2500000.002500000.00New York City, NYNew York City, NY, (Fiscal 2006 Series H-1), 0.350%, 1/1/203664966FXB5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YDexia Credit LocalN/AN/AYDexia Credit LocalN/AN/AN20810000.0020810000.000.0041N20810000.0020810000.00Wisconsin Housing & EDAWisconsin Housing & EDA, (Series A), 0.420%, 9/1/203097689P2H0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKBC Bank N.V.N/AN/ANN81650000.0081650000.000.0160N81650000.0081650000.00Healthcare Equipment Loan Program Michigan State Hospital Finance Authority (Healthcare Equipment Loan Program ) , (Series C), 0.470%, 12/1/203259465HCG9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Gateway Apartments LPSt. Paul, MN Housing & Redevelopment Authority (Gateway Apartments LP) , (Series 2006A), 0.360%, 10/1/2038792892HG9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4820000.004820000.000.0009N4820000.004820000.00Thermal Energy I LPNew Jersey EDA (Thermal Energy I LP) , (Series 1997), 0.270%, 12/1/2031645914AB8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN8000000.008000000.000.0016N8000000.008000000.00Nantucket Electric Co.Massachusetts Development Finance Agency (Nantucket Electric Co.) , (Series 2004), 0.900%, 5/19/201157584KCB3Other Municipal DebtNSecond Tier SecurityN/AN/A2011-05-192011-05-19NYMassachusetts Electric Co.N/AN/AN5000000.005000000.000.0010N5001500.005001500.00Gateway Circle LLCCalifornia Statewide Communities Development Authority IDRB (Gateway Circle LLC) , (Series 2006), 0.400%, 5/1/202613077HAV5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN4240000.004240000.000.0008N4240000.004240000.00CR&R, Inc.California PCFA (CR&R, Inc.) , (Series 2006A), 0.360%, 6/1/2025130536NE1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of the West, San Francisco, CAN/AN/AYBank of the West, San Francisco, CAN/AN/AN3920000.003920000.000.0008N3920000.003920000.00Nucor Corp.Hertford County, NC Industrial Facilities & Pollution Control Financing Authority (Nucor Corp.) , (Series 2000B), 0.450%, 11/1/2033428007AC2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/ANN12300000.0012300000.000.0024N12300000.0012300000.00Nucor Steel Tuscaloosa, Inc.Tuscaloosa County, AL IDA (Nucor Steel Tuscaloosa, Inc.) , (1995 Series A), 0.320%, 9/1/202090068LAB9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNucor Corp.N/AN/AYNucor Corp.N/AN/AN9200000.009200000.000.0018N9200000.009200000.00Formosa Plastic Corp.Calhoun County, TX Navigation District Environmental Facilities (Formosa Plastic Corp.) , (Series 2006), 0.380%, 6/1/2036129708AB9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN8200000.008200000.000.0016N8200000.008200000.00Georgia State HFAGeorgia State HFA, Merlots (Series 2006-B11), 0.360%, 12/1/2036373539NF8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/ANN10000000.0010000000.000.0020N10000000.0010000000.00Canusa Hershman RecyclingMaryland State Economic Development Corp. (Canusa Hershman Recycling) , (Series 2005A), 0.450%, 11/3/2025574205EX4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN1630000.001630000.000.0003N1630000.001630000.00Brandywine Housing, Ltd.Hillsborough County, FL HFA (Brandywine Housing, Ltd.) , (Series 2006: Brandywine Apartments), 0.310%, 7/15/203943232ECN7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN3000000.003000000.000.0006N3000000.003000000.00John & Jacqueline Scheenstra TrustCalifornia PCFA (John & Jacqueline Scheenstra Trust) , (Series 2003: JDS Ranch), 0.310%, 11/1/2028130536LM5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2350000.002350000.000.0005N2350000.002350000.00Avalon LakesMarion County, OH Multifamily Housing (Avalon Lakes) , (Series 2006), 0.290%, 8/1/204156912RAA7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of CincinnatiN/AN/AYFederal Home Loan Bank of CincinnatiN/AN/AN5000000.005000000.000.0010N5000000.005000000.00Terrace Park ApartmentsMississippi Home Corp. (Terrace Park Apartments) , (Series 2006-1), 0.370%, 9/1/203660535NBD8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN8500000.008500000.000.0017N8500000.008500000.00Bradford Park ApartmentsMississippi Home Corp. (Bradford Park Apartments) , (Series 2006-2), 0.370%, 9/1/203660535NBE6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN9670000.009670000.000.0019N9670000.009670000.00Montana State Board of HousingMontana State Board of Housing, P-Floats (Series PA-1406), 0.400%, 6/1/203761212RXR2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YMerrill Lynch & Co., Inc.N/AN/ANN4355000.004355000.000.0009N4355000.004355000.00Packaging Services of Maryland, Inc.Washington County, MD Economic Development Revenue Board (Packaging Services of Maryland, Inc.) , (Series 2006), 0.500%, 10/1/2026937753BA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2100000.002100000.000.0004N2100000.002100000.00Hempstead Village Housing Associates LPHempstead (town), NY IDA Multi-Family Housing (Hempstead Village Housing Associates LP) , (Series 2006), 0.330%, 5/15/2040424676AA2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN5590000.005590000.000.0011N5590000.005590000.00Snowflake White Mountain Power LLCShow Low, AZ IDA (Snowflake White Mountain Power LLC) , (Series 2006), 0.380%, 7/1/2037825379AA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN4000000.004000000.000.0008N4000000.004000000.00New Mexico Mortgage Finance AuthorityNew Mexico Mortgage Finance Authority, Merlots (Series 2001-A66), 0.790%, 9/1/2032647199XS2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYGNMAN/AN/AN1380000.001380000.000.0003N1380000.001380000.00Val-Matic Valve & Manufacturing Corp.Illinois Development Finance Authority IDB (Val-Matic Valve & Manufacturing Corp.) , (Series 2001), 0.470%, 6/1/2021451887WA7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4155000.004155000.000.0008N4155000.004155000.00Andersons Clymers Ethanol LLCLogansport, IN (Andersons Clymers Ethanol LLC) , (Series 2006), 0.370%, 12/1/203654123PAA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of the West, San Francisco, CAN/AN/AYBank of the West, San Francisco, CAN/AN/AN6000000.006000000.000.0012N6000000.006000000.00Heirborne Investments LLCWashington State Economic Development Finance Authority (Heirborne Investments LLC) , (Series 2006K), 0.370%, 12/1/203693975VAK3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN5335000.005335000.000.0010N5335000.005335000.00Hamilton Place Senior Living LPWashington State Housing Finance Commission: Multi-Family Housing (Hamilton Place Senior Living LP) , (Series 1996), 0.290%, 7/1/203393978RAQ6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN3590000.003590000.000.0007N3590000.003590000.00180 Union Avenue Owner LPNew Rochelle, NY IDA (180 Union Avenue Owner LP) , (Series 2006: West End Phase I Facility), 0.530%, 1/1/2040648538AB2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN4670000.004670000.000.0009N4670000.004670000.00Carlyle-Cypress Tuscaloosa I LLCTuscaloosa County, AL Port Authority (Carlyle-Cypress Tuscaloosa I LLC) , (Series 2006: Midtown Village), 0.910%, 12/1/2031900595AU3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCompass Bank, BirminghamN/AN/AYCompass Bank, BirminghamN/AN/AN27000000.0027000000.000.0053N27000000.0027000000.00Columbia at Sylvan Hills ApartmentsAtlanta, GA, Urban Residential Finance Authority (Columbia at Sylvan Hills Apartments) , (Series 2006), 0.330%, 1/15/204004785VAE4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN230000.00230000.000.0000N230000.00230000.00Landings at Silver Lake VillageSt. Anthony, MN (Landings at Silver Lake Village) , (Series 2007), 0.360%, 10/1/2037787285BE4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00Alabama Power Co.Columbia, AL IDB PCRB (Alabama Power Co.) , (Series 1997), 0.330%, 11/1/2021197212AB9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YAlabama Power Co.N/AN/ANN15000000.0015000000.000.0029N15000000.0015000000.00Heather Glen ApartmentsLenexa, KS Multi-Family Housing (Heather Glen Apartments) , (Series 2007), 0.290%, 2/1/2037526052CG8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN9550000.009550000.000.0019N9550000.009550000.00Apogee Enterprises, Inc.Bulloch County, GA Development Authority (Apogee Enterprises, Inc.) , (Series 1999), 0.510%, 6/1/2020120336AA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN5400000.005400000.000.0011N5400000.005400000.00Green TokaiMaysville, KY (Green Tokai) , (Series 1996), 0.380%, 5/1/2016578496AB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AYBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AN5740000.005740000.000.0011N5740000.005740000.00Rocky Creek ApartmentsSouth Carolina State Housing Finance & Development Authority (Rocky Creek Apartments) , (Series 2006), 0.350%, 1/1/204883712EFC3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN12400000.0012400000.000.0024N12400000.0012400000.00Riken Elastomers Corp.Hopkinsville, KY (Riken Elastomers Corp.) , (Series 2007A), 0.380%, 5/1/2027440020CX1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AYBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AN5500000.005500000.000.0011N5500000.005500000.00Northern Recycling & Waste Services LLCCalifornia PCFA (Northern Recycling & Waste Services LLC) , (Series 2007A), 0.380%, 8/1/2037130536NU5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN2845000.002845000.000.0006N2845000.002845000.00Port of Seattle, WAPort of Seattle, WA, Putters (Series 2020), 0.410%, 10/1/2014735389KZ0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/ANN7455000.007455000.000.0015N7455000.007455000.00Clipper Tax-Exempt Certificates Trust (Multi-State AMT) Series 2009-68Clipper Tax-Exempt Certificates Trust (Multi-State AMT) Series 2009-68, 0.410%, 7/1/203618886PA96Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN6409000.006409000.000.0013N6409000.006409000.00899 Charleston LLCABAG Finance Authority for Non-Profit Corporations, CA (899 Charleston LLC) , (Series 2007), 0.280%, 6/1/203700037CLW8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN11770000.0011770000.000.0023N11770000.0011770000.00House Ear InstituteCalifornia Statewide Communities Development Authority (House Ear Institute) , (Series 2007), 0.280%, 8/1/2037130795KA4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of San FranciscoN/AN/AYFederal Home Loan Bank of San FranciscoN/AN/AN23910000.0023910000.000.0047N23910000.0023910000.00Farmland National Beef Packing Co. Dodge City, KS IDA (Farmland National Beef Packing Co. ) , (Series 2000), 0.310%, 3/1/2015256335GM6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN3430000.003430000.000.0007N3430000.003430000.00Ocean Gold Seafoods, Inc.Washington State Economic Development Finance Authority (Ocean Gold Seafoods, Inc.) , (Series 2007J), 0.430%, 11/1/2037939758CT3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN4500000.004500000.000.0009N4500000.004500000.00Georgia-Pacific Corp.Liberty County, FL (Georgia-Pacific Corp.) , 0.330%, 10/1/2028530375AH7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00Sundance Village ApartmentsNevada Housing Division (Sundance Village Apartments) , (Series 2004), 0.300%, 10/1/2035641272FD6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN15900000.0015900000.000.0031N15900000.0015900000.00Clipper Tax-Exempt Certificates Trust (Multistate AMT) Series 2009-77Clipper Tax-Exempt Certificates Trust (Multistate AMT) Series 2009-77, 0.410%, 12/1/203818886PK38Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYGNMAN/AN/AN15484226.0015484226.000.0030N15484226.0015484226.00Clipper Tax-Exempt Certificates Trust (Multistate AMT) Series 2009-78Clipper Tax-Exempt Certificates Trust (Multistate AMT) Series 2009-78, 0.410%, 7/1/204818886PK95Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/ANN29175000.0029175000.000.0057N29175000.0029175000.00Clipper Tax-Exempt Certificates Trust (Florida AMT) Series 2009-75Clipper Tax-Exempt Certificates Trust (Florida AMT) Series 2009-75, 0.380%, 9/1/203818886PH73Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/ANYCollateralizedGNMAN/AN/A4065000.004065000.000.0008N4065000.004065000.00American Immigration Lawyers AssociationDistrict of Columbia (American Immigration Lawyers Association) , (Series 2007), 0.350%, 11/1/204225476PAH9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN5300000.005300000.000.0010N5300000.005300000.00Waste Management of Wisconsin, Inc.Franklin, WI Regional Solid Waste Finance Commission (Waste Management of Wisconsin, Inc.) , (Series 2007A), 0.310%, 12/1/2014355217AG5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN15500000.0015500000.000.0030N15500000.0015500000.00View Pointe ApartmentsDakota County, MN Community Development Agency (View Pointe Apartments) , (Series 2007A), 0.300%, 1/15/203823410MAA5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN2000000.002000000.000.0004N2000000.002000000.00LVE Energy Partners LLCDirector of the State of Nevada Department of Business and Industry (LVE Energy Partners LLC) , (Series 2007), 0.350%, 10/1/203525457VBN5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YSumitomo Mitsui Banking Corp.N/AN/AYSumitomo Mitsui Banking Corp.N/AN/AN41000000.0041000000.000.0080N41000000.0041000000.00Hidden Glen ApartmentsIllinois Finance Authority (Hidden Glen Apartments) , (Series 2007), 0.290%, 12/1/204245202LAY0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN7260000.007260000.000.0014N7260000.007260000.00Emerald Point Apartments Partners, Ltd.Louisiana HFA (Emerald Point Apartments Partners, Ltd.) , (Series 2007), 0.330%, 7/15/204054626XAS7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN4630000.004630000.000.0009N4630000.004630000.00Kettering Health Network Obligated GroupMontgomery County, OH Hospital Authority (Kettering Health Network Obligated Group) , (Series 2008B), 1.000%, 8/1/2047613520KS3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN40035000.0040035000.000.0078N40035000.0040035000.00Kettering Health Network Obligated GroupMontgomery County, OH Hospital Authority (Kettering Health Network Obligated Group) , (Series 2008A), 1.000%, 8/1/2047613520KR5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN7000000.007000000.000.0014N7000000.007000000.00Beaulieu Nylon, Inc.Bridgeport, AL IDB (Beaulieu Nylon, Inc.) , (Series 1987), 0.360%, 11/1/2015108082AB4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Metropolitan Washington, DC Airports AuthorityMetropolitan Washington, DC Airports Authority, Spears (Series DB-505), 0.280%, 10/1/203225154LLN2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/ANN3770000.003770000.000.0007N3770000.003770000.00Seaboard FarmsBlaine County, OK IDA (Seaboard Farms) , (Series 2000), 0.380%, 11/1/2018092749AA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of the West, San Francisco, CAN/AN/AYBank of the West, San Francisco, CAN/AN/AN5200000.005200000.000.0010N5200000.005200000.00San Jose, CA Unified School DistrictSan Jose, CA Unified School District, Spears (Series DB-324), 0.250%, 6/1/203125154CSE5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/AYDeutsche Bank AGN/AN/AN8330000.008330000.000.0016N8330000.008330000.00Woolwich Dairy (USA), Inc.Lancaster, WI IDRB (Woolwich Dairy (USA), Inc.) , (Series 2007), 0.420%, 5/1/2032514575AG4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHarris, N.A.N/AN/AYHarris, N.A.N/AN/AN5040000.005040000.000.0010N5040000.005040000.00IB & B LLCIndiana State Finance Authority (Environmental Improvement Bonds) (IB & B LLC) , (Series 2006A), 0.420%, 4/1/2036455055AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHarris, N.A.N/AN/AYHarris, N.A.N/AN/AN6095000.006095000.000.0012N6095000.006095000.00Delta Marine Industries, Inc.Washington State Economic Development Finance Authority (Delta Marine Industries, Inc.) , (Series 2007A), 1.030%, 3/1/2037939758CN6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00California StateClipper Tax-Exempt Certificates Trust (California Non-AMT) Series 2009-61 (California State) , 0.260%, 2/1/202318886PYP4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYState Street Bank and Trust Co.N/AN/AN11440000.0011440000.000.0022N11440000.0011440000.00Harvest VillageCamden County, NJ Improvement Authority (Harvest Village) , (Series 1999A), 0.270%, 7/1/202913281NDK5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN3750000.003750000.000.0007N3750000.003750000.00Piedmont Triad Airport Authority, NCPiedmont Triad Airport Authority, NC, (Series B), 0.250%, 7/1/2029720248GU1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBranch Banking & Trust Co.N/AN/AYBranch Banking & Trust Co.N/AN/AN3720000.003720000.000.0007N3720000.003720000.00Massachusetts Bay Transportation Authority General Transportation SystemMassachusetts Bay Transportation Authority General Transportation System, DCL Floater Certificates (Series 2008-026), 0.650%, 7/1/2025575577JU6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YMassachusetts Bay Transportation Authority General Transportation SystemN/AN/ANN24500000.0024500000.000.0048N24500000.0024500000.00Georgia Power Co.Bartow County, GA Development Authority (Georgia Power Co.) , (First Series 1997), 0.270%, 9/1/2029069643AZ7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN18000000.0018000000.000.0035N18000000.0018000000.00Georgia Power Co.Monroe County, GA Development Authority (Georgia Power Co.) , (First Series 1997), 0.300%, 4/1/2032610530ED5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN19600000.0019600000.000.0038N19600000.0019600000.00Corcoran, CA Water SystemCorcoran Joint Powers Finance Authority, CA (Corcoran, CA Water System) , (Series 2008), 0.290%, 7/1/2036218364AZ0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN3500000.003500000.000.0007N3500000.003500000.00New York City, NYNew York City, NY, (Fiscal 2008 Subseries J-5), 0.500%, 8/1/202864966G2F8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YDexia Credit LocalN/AN/ANN19590000.0019590000.000.0038N19590000.0019590000.00RPA LPChicago, IL Multi-Family Housing Revenue (RPA LP) , (Series 2007: Renaissance Place Apartments), 0.460%, 7/1/2042167570PR5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHarris, N.A.N/AN/AYHarris, N.A.N/AN/AN1290000.001290000.000.0003N1290000.001290000.00Michigan Higher Education Facilities AuthorityMichigan Higher Education Facilities Authority, RBC Muni Trust (Series 2008-L29), 0.290%, 12/1/203174926YKA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRoyal Bank of Canada, MontrealN/AN/AYRoyal Bank of Canada, MontrealN/AN/AN12600000.0012600000.000.0025N12600000.0012600000.00Carilion Health System Obligated GroupRoanoke, VA IDA (Carilion Health System Obligated Group) , (Series 2005A-1), 0.230%, 7/1/2036770084EN7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YWells Fargo Bank, N.A.N/AN/AYAssured Guaranty Municipal Corp.N/AN/AN25400000.0025400000.000.0050N25400000.0025400000.00Carilion Health System Obligated GroupRoanoke, VA IDA (Carilion Health System Obligated Group) , (Series 2005A-2), 0.230%, 7/1/2036770084EP2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YWells Fargo Bank, N.A.N/AN/AYAssured Guaranty Municipal Corp.N/AN/AN19000000.0019000000.000.0037N19000000.0019000000.00Five Star Holdings LLCIowa Finance Authority (Five Star Holdings LLC) , (Series 2007), 0.310%, 9/1/203646245EAV9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN5300000.005300000.000.0010N5300000.005300000.00New York City, NYNew York City, NY, (Fiscal 2008 Subseries L-5), 0.500%, 4/1/203564966G4Q2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YDexia Credit LocalN/AN/ANN8000000.008000000.000.0016N8000000.008000000.00Proliant Dairy, Inc.Melrose, MN (Proliant Dairy, Inc.) , (Series 2008), 0.440%, 6/1/2028585630AA4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN950000.00950000.000.0002N950000.00950000.00NIFCO North America, Inc.Shelbyville, KY (NIFCO North America, Inc.) , (Series 2008A), 0.310%, 4/1/2035822270AX2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AYBank of Tokyo-Mitsubishi UFJ Ltd.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Georgia Power Co.Effingham County, GA Development Authority (Georgia Power Co.) , (Series 2003), 0.300%, 2/1/203828209RAC4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN13870000.0013870000.000.0027N13870000.0013870000.00Clarian Health Obligated GroupIndiana Health & Educational Facility Financing Authority (Clarian Health Obligated Group) , (Series 2005A), 1.050%, 2/15/2021454795AJ4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN43625000.0043625000.000.0085N43625000.0043625000.00Roorda Dairy, LLCIowa Finance Authority (Roorda Dairy, LLC) , (Series 2007), 0.310%, 6/1/202746245EAU1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN6000000.006000000.000.0012N6000000.006000000.00Memorial Hospital & Health Care CenterJasper, IN Hospital Authority (Memorial Hospital & Health Care Center) , (Series 2008), 0.460%, 5/1/2028471641AA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN14000000.0014000000.000.0027N14000000.0014000000.00Michigan State Housing Development AuthorityMichigan State Housing Development Authority, SFM Revenue Bonds (2003 Series C), 1.100%, 6/1/2030594653T49Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN1500000.001500000.000.0003N1500000.001500000.00Puerto Rico Highway and Transportation AuthorityPuerto Rico Highway and Transportation Authority, (Series 1998 A), 0.220%, 7/1/2028745190Y77Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of Nova Scotia, TorontoN/AN/AYBank of Nova Scotia, TorontoN/AN/AN7100000.007100000.000.0014N7100000.007100000.00Cavalier Apartments LPDistrict of Columbia HFA (Cavalier Apartments LP) , P-Floats (Series PT-4575), 0.360%, 7/1/205074703XK27Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN11220000.0011220000.000.0022N11220000.0011220000.00Tranquility Housing Ltd.Texas State Department of Housing & Community Affairs (Tranquility Housing Ltd.) , P-Floats (Series PT-4594), 0.360%, 6/1/204474703XP48Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN9805000.009805000.000.0019N9805000.009805000.00Multifamily Housing Revenue Bond Pass-Through CertificatesFederal Home Loan Mortgage Corp. (Multifamily Housing Revenue Bond Pass-Through Certificates) , (Series M015-A), 0.310%, 5/15/204631350AAA6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN10680000.0010680000.000.0021N10680000.0010680000.00Appalachian Power Co.West Virginia EDA Solid Waste Disposal Facilities (Appalachian Power Co.) , (Series 2008B), 0.330%, 2/1/203695648VAL3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YMizuho Corporate Bank Ltd.N/AN/AYMizuho Corporate Bank Ltd.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Ringling College of Art and Design, Inc.Florida Higher Educational Facilities Financing Authority (Ringling College of Art and Design, Inc.) , (Series 2008), 0.650%, 3/1/203834073TAZ0Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN955000.00955000.000.0002N955000.00955000.00Spartanburg County, SC Health Services District, Inc.Spartanburg County, SC Health Services District, Inc., (Series 2008B), 0.350%, 4/15/2037847113AP2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYAssured Guaranty Corp.N/AN/AN6485000.006485000.000.0013N6485000.006485000.00Mansions at Moses Lake, LPSoutheast Texas Housing Finance Corp. (Mansions at Moses Lake, LP) , 0.290%, 6/1/2041841514DZ2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN13000000.0013000000.000.0025N13000000.0013000000.00Grinnell CollegeIowa Higher Education Loan Authority (Grinnell College) , (Series 2008), 0.260%, 6/1/2023462460E69Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNorthern Trust Co., Chicago, ILN/AN/ANN500000.00500000.000.0001N500000.00500000.00Amberwood, LLCNebraska Investment Finance Authority (Amberwood, LLC) , Floater Certificates (Series 2006A), 0.340%, 1/1/202002319PAA4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN10720000.0010720000.000.0021N10720000.0010720000.00Clark County, NV Airport SystemClark County, NV Airport System, Subordinate Lien Revenue Bonds (Series 2008A-1), 0.650%, 7/1/202218085PKU7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN34800000.0034800000.000.0068N34800000.0034800000.00Clark County, NV Airport SystemClark County, NV Airport System, Subordinate Lien Revenue Bonds (Series 2008B-1), 1.050%, 7/1/202218085PKW3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDexia Credit LocalN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN76500000.0076500000.000.0150N76500000.0076500000.00Clark County, NV Airport SystemClark County, NV Airport System, Subordinate Lien Revenue Bonds (Series 2008B-2), 0.410%, 7/1/202218085PKX1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBanco Bilbao Vizcaya Argentaria SAN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN20000000.0020000000.000.0039N20000000.0020000000.00Paul Reed Smith Guitars, LPMaryland State IDFA (Paul Reed Smith Guitars, LP) , (Series 2008), 0.310%, 7/1/2033574221KP1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YPNC Bank, N.A.N/AN/AYPNC Bank, N.A.N/AN/AN3500000.003500000.000.0007N3500000.003500000.00Saint Francis Hospital and Medical CenterConnecticut State HEFA (Saint Francis Hospital and Medical Center) , (Series F), 0.280%, 7/1/204720774UZH1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN3900000.003900000.000.0008N3900000.003900000.00Brashier Charter, LLCSouth Carolina Jobs-EDA (Brashier Charter, LLC) , (Series 2008), 0.650%, 12/1/2038837031QS5Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN8280000.008280000.000.0016N8280000.008280000.00Community Hospital and Wellness CentersWilliams County, OH (Community Hospital and Wellness Centers) , (Series 2008), 0.460%, 1/1/204196948QAA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN19655000.0019655000.000.0039N19655000.0019655000.00SH Apartments LLCKansas State Development Finance Authority (SH Apartments LLC) , (Series 2004B), 0.290%, 12/1/203748542PDR6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN9285000.009285000.000.0018N9285000.009285000.00California Academy of SciencesCalifornia Infrastructure & Economic Development Bank (California Academy of Sciences) , (Series 2008D), 0.310%, 9/1/203813033WQ71Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YCity National BankN/AN/AYCity National BankN/AN/AN25225000.0025225000.000.0049N25225000.0025225000.00Federal Home Loan Mortgage Corp.Federal Home Loan Mortgage Corp., Eagles (Series 2008-0055F), 0.330%, 4/15/2049269898HQ8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN74785000.0074785000.000.0147N74785000.0074785000.00Gideon Hausner Jewish Day SchoolCalifornia Municipal Finance Authority (Gideon Hausner Jewish Day School) , (Series 2008), 0.330%, 7/1/203813048TDR1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1500000.001500000.000.0003N1500000.001500000.00200 Renaissance, LLCMississippi Business Finance Corp. (200 Renaissance, LLC) , (Series 2008), 0.270%, 1/1/2037605279HR2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of AtlantaN/AN/AYFederal Home Loan Bank of AtlantaN/AN/AN14050000.0014050000.000.0028N14050000.0014050000.00Ave Maria University, Inc.Collier County, FL Educational Facilities Authority (Ave Maria University, Inc.) , (Series 2008), 0.460%, 10/1/203619463TAD8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN17000000.0017000000.000.0033N17000000.0017000000.00Lake Erie CollegeLake County, OH Port Authority (Lake Erie College) , (Series 2008), 0.460%, 8/1/2034509442AA7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN15050000.0015050000.000.0029N15050000.0015050000.00Kenall Manufacturing Co.Illinois Finance Authority (Kenall Manufacturing Co.) , (Series 2008), 0.420%, 8/1/202845202DAW2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHarris, N.A.N/AN/AYHarris, N.A.N/AN/AN5350000.005350000.000.0010N5350000.005350000.00Maryland Community Development Administration - Residential RevenueMaryland Community Development Administration - Residential Revenue, (2008 Series D), 0.300%, 9/1/203857419PRV3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKBC Bank N.V.N/AN/ANN3800000.003800000.000.0007N3800000.003800000.00Multifamily Housing Revenue Bond Pass-Through CertificatesFederal Home Loan Mortgage Corp. (Multifamily Housing Revenue Bond Pass-Through Certificates) , (Series M017-A), 0.300%, 9/1/205031350AAE8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN18355000.0018355000.000.0036N18355000.0018355000.00UCF Health Sciences Campus at Lake NonaUCF Health Facilities Corp. (UCF Health Sciences Campus at Lake Nona) , Capital Improvement Revenue Bonds (Series 2007), 0.460%, 7/1/203790348NAA9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN9640000.009640000.000.0019N9640000.009640000.00Continental Carbonic Products, Inc.Michigan Strategic Fund (Continental Carbonic Products, Inc.) , (Series 2007), 0.290%, 3/1/2032594698CF7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN7045000.007045000.000.0014N7045000.007045000.003E Graphics & PrintingArlington Heights, IL (3E Graphics & Printing) , (Series 1997), 1.000%, 12/1/2017041458AS9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHarris, N.A.N/AN/AYHarris, N.A.N/AN/AN840000.00840000.000.0002N840000.00840000.00Casady SchoolOklahoma State Industrial Authority (Casady School) , (Series 2001), 0.470%, 8/1/2019679103UF6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN1470000.001470000.000.0003N1470000.001470000.00L D McFarland Co. Ltd.Oregon State EDRB (L D McFarland Co. Ltd.) , (Series 175), 0.300%, 11/1/2016686076DN7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN500000.00500000.000.0001N500000.00500000.00Peoria Academy IncPeoria, IL (Peoria Academy Inc) , (Series 2000), 0.470%, 9/1/202671319NAB2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN3730000.003730000.000.0007N3730000.003730000.00Eastside Place ApartmentsPima County, AZ IDA (Eastside Place Apartments) , (Series 2002B), 0.320%, 2/15/2031721779LH7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal National Mortgage AssociationN/AN/AYFederal National Mortgage AssociationN/AN/AN1160000.001160000.000.0002N1160000.001160000.00Portland Bulk TerminalPort Portland, OR Special Obligation (Portland Bulk Terminal) , (Series 2006), 0.240%, 3/1/2036735260AH4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCanadian Imperial Bank of CommerceN/AN/AYCanadian Imperial Bank of CommerceN/AN/AN2000000.002000000.000.0004N2000000.002000000.00Family & Children's Center Properties Management, Inc.St. Joseph County, IN EDRB (Family & Children's Center Properties Management, Inc.) , (Series 2002), 0.430%, 6/1/2022790608BG7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN1400000.001400000.000.0003N1400000.001400000.00Camada Ltd. PartnershipSt. Paul, MN Port Authority (Camada Ltd. Partnership) , (Series 2002-11), 0.450%, 12/1/202279306ETD6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN545000.00545000.000.0001N545000.00545000.00Community Foundation For The Disabled, Inc.Salt Lake County, UT Training Facilities (Community Foundation For The Disabled, Inc.) , (Series 2000), 0.430%, 8/1/203079569RAA5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank Northwest, N.A.N/AN/AYWells Fargo Bank Northwest, N.A.N/AN/AN1375000.001375000.000.0003N1375000.001375000.00Metform Corp.Savanna, IL IDA (Metform Corp.) , (Series A), 0.300%, 5/1/2014804704AA2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN2000000.002000000.000.0004N2000000.002000000.00Las Brisas ApartmentsBernalillo County, NM Multifamily Housing (Las Brisas Apartments) , (Series 2008), 0.360%, 2/1/2038085278CQ0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN3200000.003200000.000.0006N3200000.003200000.00Nortech Systems, Inc.Blue Earth, MN (Nortech Systems, Inc.) , (Series 2006), 0.500%, 6/1/2021095448AQ9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN725000.00725000.000.0001N725000.00725000.00Broadway East Community LLLPBoulder, CO Housing Authority (Broadway East Community LLLP) , Broadway East Apartments (Series 2007), 0.360%, 9/1/203710142PAA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1020000.001020000.000.0002N1020000.001020000.00American Rice, Inc.Brazos Harbor, TX Industrial Development Corp. (American Rice, Inc.) , Revenue Bonds (Series B), 0.370%, 5/1/203710624EAB0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHSBC Bank USAN/AN/AYHSBC Bank USAN/AN/AN9950000.009950000.000.0019N9950000.009950000.00Aegis Waste Solutions, Inc.Brunswick County, VA IDA (Aegis Waste Solutions, Inc.) , (Series 1996), 0.770%, 1/1/2017117083AA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN1000000.001000000.000.0002N1000000.001000000.00Whitehall Specialties, Inc.Whitehall, WI IDRB (Whitehall Specialties, Inc.) , (Series 2007), 0.370%, 1/1/2032965227AR2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN1600000.001600000.000.0003N1600000.001600000.00Ready Foods, Inc.Colorado HFA (Ready Foods, Inc.) , (Series 2007A), 0.310%, 1/1/203219647WAA6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN3765000.003765000.000.0007N3765000.003765000.00Republic Services, Inc.Colorado River, TX Municipal Water Distribution (Republic Services, Inc.) , (Series 2001), 0.380%, 12/1/2023196550AA5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4000000.004000000.000.0008N4000000.004000000.00Clark Island LPWashington State Housing Finance Commission: Multi-Family Housing (Clark Island LP) , (Series 2007), 0.310%, 11/1/204293978PGV3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN3560000.003560000.000.0007N3560000.003560000.00Catalono Family LLPColorado Springs, CO Utility System (Catalono Family LLP) , (Series 1998), 0.870%, 8/1/2013196618BH4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN315000.00315000.000.0001N315000.00315000.00Maplewood & Golden Glen ApartmentsConcord, CA Multifamily Housing (Maplewood & Golden Glen Apartments) , (Series 2001A), 0.290%, 12/1/2030206131AB0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN1705000.001705000.000.0003N1705000.001705000.00Charms Co.Covington, TN IDB (Charms Co.) , (Series 1992), 0.390%, 6/1/2027223493AC1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00Millennium Electronics, Inc.Crystal Lake, IL IDA (Millennium Electronics, Inc.) , (Series 2006), 0.490%, 6/1/2036229282AB4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1380000.001380000.000.0003N1380000.001380000.00Home Run Inn Frozen Foods Corp.Woodridge, DuPage, Will and Cook Counties, IL (Home Run Inn Frozen Foods Corp.) , (Series 2005), 0.670%, 10/1/202597989RAB7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN465000.00465000.000.0001N465000.00465000.00Jackson Concrete, Inc.West Bend, WI IDA (Jackson Concrete, Inc.) , (Series 2006), 0.490%, 9/1/2036951435AP1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1645000.001645000.000.0003N1645000.001645000.00Jabo Metal Fabrication, Inc.Emanuel County, GA Developement Authority (Jabo Metal Fabrication, Inc.) , (Series 2001), 0.740%, 4/1/2012290774AU2Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-042011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN270000.00270000.000.0001N270000.00270000.00Gary/Chicago, IN International Airport AuthorityGary/Chicago, IN International Airport Authority, (Series 2007), 0.440%, 8/1/2043366741AA4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN4100000.004100000.000.0008N4100000.004100000.00Clipper Belt Lacer Co.Grand Rapids, MI IDR (Clipper Belt Lacer Co.) , (Series 2007), 0.440%, 9/1/2037386251BJ0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN5500000.005500000.000.0011N5500000.005500000.00Dacco, Inc.Hebron, ND IDA (Dacco, Inc.) , (Series 1998), 0.350%, 3/1/2015422605AA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN415000.00415000.000.0001N415000.00415000.003648 Morreim Drive, LLCIllinois Development Finance Authority IDB (3648 Morreim Drive, LLC) , (Series 2001), 0.460%, 11/1/2026451887WN9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YHarris, N.A.N/AN/AYHarris, N.A.N/AN/AN2880000.002880000.000.0006N2880000.002880000.00Quality Metal Finishing Co.Illinois Finance Authority (Quality Metal Finishing Co.) , (Series 2007), 0.840%, 10/1/201745200FAU3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN910000.00910000.000.0002N910000.00910000.00Transparent ContainerCompany, Inc.Illinois Finance Authority (Transparent ContainerCompany, Inc.) , (Series 2004), 0.670%, 8/1/202445202DAA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN1110000.001110000.000.0002N1110000.001110000.00South Central Community Mental Health Centers, Inc.Indiana Development Finance Authority (South Central Community Mental Health Centers, Inc.) , D/B/A Center for Behavioral Health (Series 2002), 0.430%454909DN9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2400000.002400000.000.0005N2400000.002400000.00Roth Companies IncIndianapolis, IN (Roth Companies Inc) , (Series 1999), 0.470%, 8/1/2019455261UW5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YComerica BankN/AN/AYComerica BankN/AN/AN900000.00900000.000.0002N900000.00900000.00Polar Ware Co.Kiel, WI IDA (Polar Ware Co.) , (Series 2007), 0.440%, 9/1/2037493834AB1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1325000.001325000.000.0003N1325000.001325000.00Orlando & Orange County Expressway Authority, FLOrlando & Orange County Expressway Authority, FL, (Subseries 2008B-2), 0.600%, 7/1/2040686543PX1Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN40205000.0040205000.000.0079N40205000.0040205000.00Cara Land Co., LLCKitsap County, WA IDC (Cara Land Co., LLC) , (Series 2006), 0.500%, 6/1/203149804XAB8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2400000.002400000.000.0005N2400000.002400000.00Locklando Door & Millwork, Inc.Lake County, FL IDA (Locklando Door & Millwork, Inc.) , (Series 2002), 0.420%, 12/1/201650825SAB2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRBC Bank (USA)N/AN/AYRBC Bank (USA)N/AN/AN2596000.002596000.000.0005N2596000.002596000.00Northpoint Assoc LLCLake County, IL IDA (Northpoint Assoc LLC) , (Series 1994), 0.370%, 7/1/2029508370AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNorthern Trust Co., Chicago, ILN/AN/AYNorthern Trust Co., Chicago, ILN/AN/AN1200000.001200000.000.0002N1200000.001200000.00Willow Brook Christian CommunitiesDelaware County, OH Healthcare Facilities (Willow Brook Christian Communities) , (Series 2007A), 0.460%, 1/1/2035245872AK2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN21385000.0021385000.000.0042N21385000.0021385000.00St. Louis Air Cargo Svcs.Missouri Development Finance Board (St. Louis Air Cargo Svcs.) , Revenue Bonds (Series 2000), 0.300%, 3/1/203060636DAA5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN2000000.002000000.000.0004N2000000.002000000.00Waste Management, Inc.Southwestern Illinois Development Authority (Waste Management, Inc.) , (Series 2002), 0.670%, 10/1/202784552KAS0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN1400000.001400000.000.0003N1400000.001400000.00Perdue-AgriRecycle, LLCSussex County, DE IDA (Perdue-AgriRecycle, LLC) , (Series 2000), 0.690%, 1/1/201386925MAC6Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN5000000.005000000.000.0010N5000000.005000000.00Pointe Apartments, Ltd.Utah State Housing Corporation: Multi-Family Housing (Pointe Apartments, Ltd.) , (Series 2007), 0.360%, 8/1/2024917434BK7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1100000.001100000.000.0002N1100000.001100000.00AMI-Moore LLCWashington State Economic Development Finance Authority (AMI-Moore LLC) , (Series 2000C), 1.000%, 5/1/2025939758AH1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN3085000.003085000.000.0006N3085000.003085000.00Holbrook/Searight LLCWashington State Economic Development Finance Authority (Holbrook/Searight LLC) , (Series 2002B), 0.280%, 10/1/2022939758AT5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN1565000.001565000.000.0003N1565000.001565000.00Escallonia LPSeattle, WA Housing Authority (Escallonia LP) , (Series 2003: Rainier Vista Project, Phase I), 1.000%, 12/1/2036812636FL7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN4005000.004005000.000.0008N4005000.004005000.00Walton Grove, LPSmyrna, GA Housing Authority (Walton Grove, LP) , (Series 1994), 0.350%, 11/1/2023832809AE7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN5600000.005600000.000.0011N5600000.005600000.00Waste Management, Inc. of TennesseeLewisburg, TN IDB (Waste Management, Inc. of Tennessee) , (Series 2003), 0.280%, 7/1/2033528236AA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YPNC Bank, N.A.N/AN/AYPNC Bank, N.A.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Asbury Apartments L.P.Los Angeles, CA Mutli-Family Housing Revenue Bonds (Asbury Apartments L.P.) , (Series 2003A), 0.320%, 7/1/2034544582UQ0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN5060000.005060000.000.0010N5060000.005060000.00Lapeer Industries, Inc.Michigan State Strategic Fund (Lapeer Industries, Inc.) , (Series 2007), 0.440%, 11/1/2027594690BA6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN3435000.003435000.000.0007N3435000.003435000.00Continental Carbonic Products, Inc.Loudon, TN IDB (Continental Carbonic Products, Inc.) , (Series 2002), 0.670%, 4/1/2013545843AA2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN390000.00390000.000.0001N390000.00390000.00William Arthur, Inc.Maine Finance Authority (William Arthur, Inc.) , 0.670%, 10/1/201256042BAG2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN3100000.003100000.000.0006N3100000.003100000.00Novelty Hills Properties LLCWashington State Economic Development Finance Authority (Novelty Hills Properties LLC) , (Series C), 0.390%, 5/1/2029939759AM8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/AYU.S. Bank, N.A.N/AN/AN2915000.002915000.000.0006N2915000.002915000.00Commercial Truck & Van EquipmentGwinnett County, GA Development Authority (Commercial Truck & Van Equipment) , 0.360%, 12/1/2027403723DN6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN2450000.002450000.000.0005N2450000.002450000.00The House on F Street LLCDistrict of Columbia Enterprise Zone (The House on F Street LLC) , 0.310%, 5/1/201525476PAC0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of New York MellonN/AN/AYBank of New York MellonN/AN/AN7500000.007500000.000.0015N7500000.007500000.00International College, Inc.Collier County, FL Educational Facilities Authority (International College, Inc.) , (Series 2004), 0.460%, 4/1/202819463TAA4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN1055000.001055000.000.0002N1055000.001055000.00Community Hospitals of Indiana, Inc.Indiana Health Facility Financing Authority (Community Hospitals of Indiana, Inc.) , (Series 2005C), 0.460%, 5/1/203545479QAY5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN13000000.0013000000.000.0025N13000000.0013000000.00Northbridge ApartmentsFlorida HFA (Northbridge Apartments) , (Series 2007G-1), 0.750%, 6/15/203634074HAR3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN21500000.0021500000.000.0042N21500000.0021500000.00Davenport University, MIMichigan Higher Education Facilities Authority (Davenport University, MI) , (Series 2008), 0.460%, 8/1/2038594519R51Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN1895000.001895000.000.0004N1895000.001895000.00Gerber Memorial Health ServicesFremont, MI Hospital Finance Authority (Gerber Memorial Health Services) , (Series 2007), 0.460%, 3/1/2032357330AC3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN9005000.009005000.000.0018N9005000.009005000.00Ave Maria University, Inc.Collier County, FL Educational Facilities Authority (Ave Maria University, Inc.) , (Series 2007), 0.460%, 10/1/203519463TAC0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00New Hanover Regional Medical CenterNew Hanover County, NC (New Hanover Regional Medical Center) , (Series 2008A), 0.260%, 10/1/2038644804CF1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRBC Bank (USA)N/AN/AYRBC Bank (USA)N/AN/AN5500000.005500000.000.0011N5500000.005500000.00Michigan State Housing Development AuthorityMichigan State Housing Development Authority, SFM Revenue Bonds (Series D-1), 0.330%, 12/1/20385946533B1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/ANN11805000.0011805000.000.0023N11805000.0011805000.00Denver, CO City & County Airport AuthorityDenver, CO City & County Airport Authority, (Subseries 2008C1), 0.310%, 11/15/20252491818N1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YKBC Bank N.V.N/AN/AYKBC Bank N.V.N/AN/AN15000000.0015000000.000.0029N15000000.0015000000.00Cottage Hill Pointe Apts., Ltd.Alabama HFA Multi-Family Housing (Cottage Hill Pointe Apts., Ltd.) , (Series 2001D), 0.370%, 12/1/203401030PEA0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN2325000.002325000.000.0005N2325000.002325000.00Recycle 1 C & D Processing, Inc.Maryland State Economic Development Corp. (Recycle 1 C & D Processing, Inc.) , (Series 2008), 0.470%, 11/1/202857421AAB4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBranch Banking & Trust Co.N/AN/AYBranch Banking & Trust Co.N/AN/AN1885000.001885000.000.0004N1885000.001885000.00Waste Management, Inc.Arkansas State Development Finance Authority Solid Waste (Waste Management, Inc.) , (Series 2003), 0.320%, 6/1/202804109JAA8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN12500000.0012500000.000.0024N12500000.0012500000.00Florida State Municipal Power AgencyFlorida State Municipal Power Agency, (Series 2008E), 0.420%, 10/1/2030342816WX9Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-022011-05-02YSunTrust BankN/AN/AYSunTrust BankN/AN/AN2900000.002900000.000.0006N2900000.002900000.00M.S.C.M., Inc. Michigan Strategic Fund (M.S.C.M., Inc. ) , (Series 2007), 0.440%, 3/1/2027594698BY7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN4090000.004090000.000.0008N4090000.004090000.00Formosa Plastic Corp.Calhoun County, TX Navigation District Environmental Facilities (Formosa Plastic Corp.) , (Series 2004), 0.380%, 5/1/2034129708AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN13775000.0013775000.000.0027N13775000.0013775000.00Rush University Medical Center Obligated GroupIllinois Finance Authority (Rush University Medical Center Obligated Group) , (Series 2008A), 0.240%, 11/1/204545200FSE0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YNorthern Trust Co., Chicago, ILN/AN/AYNorthern Trust Co., Chicago, ILN/AN/AN4000000.004000000.000.0008N4000000.004000000.00University Health Systems of Eastern CarolinaNorth Carolina Medical Care Commission (University Health Systems of Eastern Carolina) , (Series 2008B-2), 0.270%, 12/1/203665821DAZ4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBranch Banking & Trust Co.N/AN/AYBranch Banking & Trust Co.N/AN/AN1400000.001400000.000.0003N1400000.001400000.00Multifamily Housing Revenue Bond Pass-Through CertificatesFederal Home Loan Mortgage Corp. (Multifamily Housing Revenue Bond Pass-Through Certificates) , (Series M020-A), 0.310%, 11/15/203631350AAL2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN25010000.0025010000.000.0049N25010000.0025010000.00The Residences at Ellicott GardensMaryland Community Development Administration - Multi Family Housing (The Residences at Ellicott Gardens) , (Series 2008C), 0.300%, 12/1/204057419PQH5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN5575000.005575000.000.0011N5575000.005575000.00New Shakespeare Park LPMaryland Community Development Administration - Multi Family Housing (New Shakespeare Park LP) , (Series 2008B: Shakespeare Park Apartments), 0.300%, 57419PPZ6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN6200000.006200000.000.0012N6200000.006200000.00Mohawk Industries, Inc.South Carolina Jobs-EDA (Mohawk Industries, Inc.) , (Series 1997B), 0.410%, 4/1/2017837031FJ7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN3000000.003000000.000.0006N3000000.003000000.00Mohawk Industries, Inc.South Carolina Jobs-EDA (Mohawk Industries, Inc.) , (Series 1997C), 0.410%, 5/1/2017837031FL2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN6225000.006225000.000.0012N6225000.006225000.00American Society of Hematology, Inc.District of Columbia Revenue (American Society of Hematology, Inc.) , (Series 2009), 0.650%, 1/1/20492548394Y6Variable Rate Demand NoteNSecond Tier SecurityN/AN/A2011-05-062011-05-06YSunTrust BankN/AN/AYSunTrust BankN/AN/AN23965000.0023965000.000.0047N23965000.0023965000.00University of North Texas, TXUniversity of North Texas, TX, Municipal Securities Trust Receipts (Series SGA 146), 0.320%, 4/15/2034914729FS2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YSociete Generale, ParisN/AN/AYAssured Guaranty Municipal Corp.N/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Maine State Housing AuthorityMaine State Housing Authority, (Series 2004 C-3), 0.310%, 11/15/203956052ETU2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/ANN15000000.0015000000.000.0029N15000000.0015000000.00Panorama Flight Service, Inc.Westchester County, NY IDA (Panorama Flight Service, Inc.) , Commercial Facility Revenue Bonds (Series 2000), 0.320%, 12/1/2025957369AA9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN4080000.004080000.000.0008N4080000.004080000.00Miami-Dade County, FL AviationMiami-Dade County, FL Aviation, Clipper Floater Certificates (Series 2009-24), 0.360%, 10/1/201718886PMB8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YState Street Bank and Trust Co.N/AN/AYState Street Bank and Trust Co.N/AN/AN25000000.0025000000.000.0049N25000000.0025000000.00Tri-State University, Inc.Angola, IN Educational Facilities (Tri-State University, Inc.) , (Series 2006), 0.460%, 7/1/2026035147AB3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN4345000.004345000.000.0009N4345000.004345000.00Ocean Marine LLCPortsmouth, VA IDA (Ocean Marine LLC) , (Series 2001A), 0.370%, 8/1/202273724KAB3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN4700000.004700000.000.0009N4700000.004700000.00Ocean Marine LLCPortsmouth, VA IDA (Ocean Marine LLC) , (Series 2001B), 0.370%, 8/1/202273723LAB2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN3000000.003000000.000.0006N3000000.003000000.00North Carolina HFANorth Carolina HFA, Merlots (Series 2008-C20), 0.360%, 1/1/2038658207JS5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/ANN3915000.003915000.000.0008N3915000.003915000.00West Chicago Senior Apartments, LPIllinois Development Finance Authority (West Chicago Senior Apartments, LP) , (Series 2003), 0.290%, 2/1/2038451915CD2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN6700000.006700000.000.0013N6700000.006700000.00Maryland Community Development Administration - Residential RevenueMaryland Community Development Administration - Residential Revenue, Putters (Series 3364), 0.360%, 3/1/202246632PA78Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/ANN4250000.004250000.000.0008N4250000.004250000.00Alabama Power Co.Columbia, AL IDB PCRB (Alabama Power Co.) , (Series 1997), 0.320%, 11/1/2021197212AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YAlabama Power Co.N/AN/ANN50000000.0050000000.000.0098N50000000.0050000000.00South Franklin CircleGeauga County, OH (South Franklin Circle) , Revenue Bonds (Series 2007A), 0.480%, 9/1/2014368401AB1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN34905000.0034905000.000.0068N34905000.0034905000.00South Franklin CircleGeauga County, OH (South Franklin Circle) , Revenue Bonds (Series 2007B), 0.480%, 9/1/2042368401AC9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YKey Bank, N.A.N/AN/AYKey Bank, N.A.N/AN/AN18800000.0018800000.000.0037N18800000.0018800000.00Miami-Dade County, FL AviationMiami-Dade County, FL Aviation, Austin Floater Certificates (Series 2008-1145), 0.430%, 10/1/203805248PS97Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYAssured Guaranty Corp.N/AN/AN13500000.0013500000.000.0026N13500000.0013500000.00Hickory Forest ApartmentsMetropolitan Government Nashville & Davidson County, TN (Hickory Forest Apartments) , Red Stone (Series 2009B), 0.440%, 11/1/204675774GAW0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN4495000.004495000.000.0009N4495000.004495000.00Texas StateTexas State, Variable Rate College Student Loan & Refunding Bonds (Series 2003), 0.300%, 2/1/2038882720L94Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YLandesbank Hessen-Thuringen (Guaranteed)N/AN/ANN52000000.0052000000.000.0102N52000000.0052000000.00Texas StateTexas State, Merlots (Series 2008-C47), 0.360%, 8/1/20188827214L4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/ANN7195000.007195000.000.0014N7195000.007195000.00Armstrong Hardwood Flooring Co.Somerset, KY Industrial Building (Armstrong Hardwood Flooring Co.) , (Series 2009), 0.340%, 7/1/2025834783BA9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCredit Agricole Corporate and Investment BankN/AN/AYCredit Agricole Corporate and Investment BankN/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00Carlos Echeverria and Sons DairyCalifornia PCFA (Carlos Echeverria and Sons Dairy) , (Series 2002), 0.310%, 10/1/2027130536JY2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCoBank, ACBN/AN/AYCoBank, ACBN/AN/AN3500000.003500000.000.0007N3500000.003500000.00Walton Lakes LLCFulton County, GA Housing Authority (Walton Lakes LLC) , (Series 2008A), 0.310%, 2/1/2041360055FB8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of AtlantaN/AN/AYFederal Home Loan Bank of AtlantaN/AN/AN19350000.0019350000.000.0038N19350000.0019350000.00Walton Reserve ApartmentsCobb County, GA Housing Authority (Walton Reserve Apartments) , (Series 2002), 0.310%, 10/1/2035190901DH8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of AtlantaN/AN/AYFederal Home Loan Bank of AtlantaN/AN/AN4500000.004500000.000.0009N4500000.004500000.00Walton Ridenour AptsKennesaw, GA Development Authority (Walton Ridenour Apts) , (Series 2004), 0.310%, 6/1/2037489492AM0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of AtlantaN/AN/AYFederal Home Loan Bank of AtlantaN/AN/AN6700000.006700000.000.0013N6700000.006700000.00Santa Clara County, CASanta Clara County, CA, Stage Trust (Series 2009-19C), 0.380%, 8/18/201194985NJT9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-08-182011-08-18NNYLiquidity AgreementWells Fargo & Co.N/AN/A14955000.0014955000.000.0029N14960234.2514960234.25American Biodiesel Fuels Corp.California Statewide Communities Development Authority IDRB (American Biodiesel Fuels Corp.) , (Series B), 0.380%, 11/1/203713077HAX1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN8000000.008000000.000.0016N8000000.008000000.00North Dakota State HFANorth Dakota State HFA, (Series 2009 B), 0.290%, 1/1/2030658909AY2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of Des MoinesN/AN/ANN18835000.0018835000.000.0037N18835000.0018835000.00Mercy Medical CenterMaryland State Health & Higher Educational Facilities Authority (Mercy Medical Center) , P-Floats (Series MT-277), 0.530%, 7/1/2026574217XY6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YMerrill Lynch & Co., Inc.N/AN/AYAssured Guaranty Municipal Corp.N/AN/AN13185000.0013185000.000.0026N13185000.0013185000.00California Pooled School Districts, Spears (Series DBE-332)California Pooled School Districts, Spears (Series DBE-332), 0.270%, 8/1/203625154CVG6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/AYDeutsche Bank AGN/AN/AN7400000.007400000.000.0014N7400000.007400000.00New Orleans Cold StoragePort of New Orleans, LA Board of Commissioners (New Orleans Cold Storage) , (Series 2002), 0.310%, 11/1/2022734784AR2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of DallasN/AN/AYFederal Home Loan Bank of DallasN/AN/AN7500000.007500000.000.0015N7500000.007500000.00Waste Management, Inc.South Carolina Jobs-EDA (Waste Management, Inc.) , (Series 1997), 0.360%, 6/1/2015837031FN8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/AYBank of America N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00Riverside County, CA Transportation CommissionRiverside County, CA Transportation Commission, (2009 Series C), 0.270%, 6/1/2029769125DT9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/ANN3270000.003270000.000.0006N3270000.003270000.00AMC Delancey Traditions of Hershey Partners, L.P.Pennsylvania EDFA (AMC Delancey Traditions of Hershey Partners, L.P.) , (Series 2006), 0.290%, 12/1/203670869PEJ2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Bank of PittsburghN/AN/AYFederal Home Loan Bank of PittsburghN/AN/AN17205000.0017205000.000.0034N17205000.0017205000.00New Mexico Educational Asistance FoundationNew Mexico Educational Asistance Foundation, (Senior Series 2004A-1), 0.300%, 4/1/2034647110CT0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRoyal Bank of Canada, MontrealN/AN/AYRoyal Bank of Canada, MontrealN/AN/AN6910000.006910000.000.0014N6910000.006910000.00New Mexico Educational Asistance FoundationNew Mexico Educational Asistance Foundation, (Senior Series 2004A-2), 0.300%, 4/1/2034647110CU7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRoyal Bank of Canada, MontrealN/AN/AYRoyal Bank of Canada, MontrealN/AN/AN6935000.006935000.000.0014N6935000.006935000.00New Mexico Educational Asistance FoundationNew Mexico Educational Asistance Foundation, (Senior Series 2003A-2), 0.300%, 9/1/2033647110CQ6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRoyal Bank of Canada, MontrealN/AN/AYRoyal Bank of Canada, MontrealN/AN/AN10000000.0010000000.000.0020N10000000.0010000000.00BASF Corp.Ascension Parish, LA IDB (BASF Corp.) , (Series 2009), 0.410%, 10/1/203904350RAD0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBASF SEN/AN/AYBASF SEN/AN/AN15000000.0015000000.000.0029N15000000.0015000000.00Michigan State Financial AuthorityMichigan State Financial Authority, (Series C), 0.470%, 12/1/203259465HEP7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN6000000.006000000.000.0012N6000000.006000000.00Texas StateTexas State, Veterans' Housing Assistance Program Fund II (Series 2006D), 0.320%, 12/1/2036882721MZ3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YSumitomo Mitsui Banking Corp.N/AN/ANN29935000.0029935000.000.0059N29935000.0029935000.00Adventist Health System/ Sunbelt Obligated GroupHighlands County, FL Health Facilities Authority (Adventist Health System/ Sunbelt Obligated Group) , Stage Trust (Series 2009-84C), 0.370%, 5/19/201194985NSP7Other Municipal DebtNFirst Tier SecurityN/AN/A2011-05-192011-05-19NYWells Fargo & Co.N/AN/AN16160000.0016160000.000.0032N16160969.6016160969.60Steel Dust Recycling, LLCMillport, AL IDA (Steel Dust Recycling, LLC) , (Series 2007), 0.320%, 12/1/2037601126AA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YComerica BankN/AN/AYComerica BankN/AN/AN16545000.0016545000.000.0032N16545000.0016545000.00MarBorg Industries California PCFA (MarBorg Industries ) , (Series 2009A), 0.340%, 6/1/2039130536PJ8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN3635000.003635000.000.0007N3635000.003635000.00Grant, CA Joint Union High School DistrictSchool Facilities Financing Authority, CA (Grant, CA Joint Union High School District) , Stage Trust (Series 2008-33C), 0.380%, 7/28/201194985NCX7Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-282011-07-28NYWells Fargo & Co.N/AN/AWells Fargo Bank, N.A.N/AN/AN22580000.0022580000.000.0044N22587451.4022587451.40Minn-Dak Farmers CooperativeRichland County, ND (Minn-Dak Farmers Cooperative) , (Series 2010A), 0.410%, 5/15/202276360RAB0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCoBank, ACBN/AN/AYCoBank, ACBN/AN/AN12240000.0012240000.000.0024N12240000.0012240000.00Nuveen Municipal Advantage Fund, Inc.Nuveen Municipal Advantage Fund, Inc., [Series 1], 0.480%, 3/1/204067062H700Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN20000000.0020000000.000.0039N20000000.0020000000.00Nuveen Premium Income Municipal Fund 4, Inc.Nuveen Premium Income Municipal Fund 4, Inc., [Series 1], 0.480%, 3/1/20406706K4873Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN5000000.005000000.000.0010N5000000.005000000.00Nuveen Municipal Market Opportunity Fund, Inc.Nuveen Municipal Market Opportunity Fund, Inc., [Series 1], 0.460%, 3/1/204067062W608Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/AYDeutsche Bank AGN/AN/AN25000000.0025000000.000.0049N25000000.0025000000.00Delnor-Community HospitalIllinois Finance Authority (Delnor-Community Hospital) , (Series 2008A), 0.500%, 5/15/203845200FHP7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN26640000.0026640000.000.0052N26640000.0026640000.00Penn-Yan, NY Central School DistrictPenn-Yan, NY Central School District, 1.500%, 6/17/2011708016CY4Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-172011-06-17NNN13355551.0013368346.650.0026N13368105.2213368105.22North Plainfield, NJNorth Plainfield, NJ, 1.500%, 6/14/2011661581FD5Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-142011-06-14NNN10354285.0010361707.090.0020N10362775.5110362775.51Wisconsin StateWisconsin State, (Operating Notes of 2010), 2.000%, 6/15/201197705LZR1Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-152011-06-15NNN67500000.0067623434.100.0132N67639050.0067639050.00Los Angeles, CA Unified School DistrictLos Angeles, CA Unified School District, Series A), 2.000%, 6/30/2011544646C59Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-302011-06-30NNN45000000.0045097689.560.0088N45111600.0045111600.00Nuveen Insured New York Dividend Advantage Municipal FundNuveen Insured New York Dividend Advantage Municipal Fund, [Series 2], 0.400%, 6/1/204067071N409Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/AYDeutsche Bank AGN/AN/AN21000000.0021000000.000.0041N21000000.0021000000.00Nuveen Insured Premium Income Municipal Fund 2Nuveen Insured Premium Income Municipal Fund 2, [Series 2], 0.430%, 6/1/20406706D8807Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/AYDeutsche Bank AGN/AN/AN85300000.0085300000.000.0167N85300000.0085300000.00Nuveen Dividend Advantage Municipal Fund 2Nuveen Dividend Advantage Municipal Fund 2, [Series 2], 0.510%, 8/1/203867070F605Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YDeutsche Bank AGN/AN/AYDeutsche Bank AGN/AN/AN82300000.0082300000.000.0161N82300000.0082300000.00CS Facilities LLCMichigan Strategic Fund (CS Facilities LLC) , (Series 2010), 0.460%, 8/1/2040594698JM5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFifth Third Bank, CincinnatiN/AN/AYFifth Third Bank, CincinnatiN/AN/AN6945000.006945000.000.0014N6945000.006945000.00Derby, CTDerby, CT, 1.500%, 6/2/2011249739RX3Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-022011-06-02NNN8000000.008006266.050.0016N8006880.008006880.00Vermont HFAVermont HFA, Single Family Housing Bonds (Series 22C), 0.490%, 11/1/2034924195V23Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YTD Bank, N.A.N/AN/AYAssured Guaranty Municipal Corp.N/AN/AN13800000.0013800000.000.0027N13800000.0013800000.00Vermont HFAVermont HFA, Single Family Housing Bonds (Series 23), 0.490%, 11/1/2034924195Y38Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YTD Bank, N.A.N/AN/AYAssured Guaranty Municipal Corp.N/AN/AN14500000.0014500000.000.0028N14500000.0014500000.00Fall River, MAFall River, MA, 1.500%, 6/30/2011306297A69Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-302011-06-30NNN4000000.004003905.750.0008N4003480.004003480.00Woodbridge Township, NJWoodbridge Township, NJ, 1.500%, 7/1/2011978862K82Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-012011-07-01NNN20000000.0020017227.470.0039N20022000.0020022000.00Woodbridge Township, NJWoodbridge Township, NJ, 2.000%, 7/1/2011978862K90Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-012011-07-01NNN5000000.005008270.190.0010N5009400.005009400.00Sea Isle City, NJSea Isle City, NJ, 2.000%, 7/1/2011811403RZ9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-012011-07-01NNN6600000.006608713.810.0013N6610098.006610098.00Urban Park TowersLockport, NY Housing Authority (Urban Park Towers) , Red Stone (Series 2010C-1), 0.440%, 8/1/204175774GBC3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN7520000.007520000.000.0015N7520000.007520000.00Philadelphia, PAPhiladelphia, PA, (Series A of 2010-2011), 2.000%, 6/30/2011717813MH9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-302011-06-30NNN19000000.0019040322.850.0037N19047120.0019047120.00Cattaraugus-Little Valley, NY Central School DistrictCattaraugus-Little Valley, NY Central School District, 1.500%, 6/16/201114946NCE5Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-162011-06-16NNN9633447.009636442.670.0019N9636144.379636144.37Quincy, MAQuincy, MA, 1.250%, 7/29/20117485056Z2Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-292011-07-29NNN8210392.008223320.210.0016N8226566.478226566.47Beaumont CA Leased Housing Associates I, LPCalifornia Statewide Communities Development Authority Multi-Family Housing (Beaumont CA Leased Housing Associates I, LP) , (2010 Series B: Mountain V13079PQZ9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN5600000.005600000.000.0011N5600000.005600000.00Main Street Gas, Inc.Main Street Gas, Inc., (Series 2010A), 0.260%, 8/1/204056036YEJ0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRoyal Bank of Canada, MontrealN/AN/AYRoyal Bank of Canada, MontrealN/AN/AN4000000.004000000.000.0008N4000000.004000000.00Oswego, NY City School DistrictOswego, NY City School District, (Series 2010A), 1.250%, 6/30/2011688715HN4Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-302011-06-30NNN5900000.005905782.730.0012N5904956.005904956.00Michigan Finance AuthorityMichigan Finance Authority, (Series D-1), 2.000%, 8/19/201159447PAA9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-08-192011-08-19NNN13000000.0013057052.930.0026N13059540.0013059540.00Air Products & Chemicals, Inc.Louisiana Public Facilities Authority (Air Products & Chemicals, Inc.) , (Series 2010), 0.260%, 8/1/2050546398J66Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YAir Products & Chemicals, Inc.N/AN/ANN8225000.008225000.000.0016N8225000.008225000.00Hackensack, NJHackensack, NJ, 1.500%, 8/19/2011404540QS8Other Municipal DebtNFirst Tier SecurityN/AN/A2011-08-192011-08-19NNN9270000.009292803.180.0018N9294843.609294843.60Cleveland, OHCleveland, OH, Subordinated Water Revenue Notes (Series 2010), 2.000%, 7/28/2011186427AW0Other Municipal DebtNFirst Tier SecurityN/AN/A2011-07-282011-07-28NNN10000000.0010029966.180.0020N10031300.0010031300.00Georgia Power Co.Burke County, GA Development Authority (Georgia Power Co.) , (Second Series 1995), 0.270%, 10/1/2032121342MX4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN36100000.0036100000.000.0071N36100000.0036100000.00Nuveen New York Select Quality Municipal Fund, Inc.Nuveen New York Select Quality Municipal Fund, Inc., [Series 1], 0.510%, 8/1/2040670976505Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN31000000.0031000000.000.0061N31000000.0031000000.00Clinton, NJClinton, NJ, 1.500%, 8/26/2011188257CU1Other Municipal DebtNFirst Tier SecurityN/AN/A2011-08-262011-08-26NNN6427117.006437314.990.0013N6441770.836441770.83Texas StateTexas State, 2.000%, 8/31/2011882722VC2Other Municipal DebtNFirst Tier SecurityN/AN/A2011-08-312011-08-31NNN135000000.00135740796.600.0266N135776250.00135776250.00California Statewide Communities Development AuthorityCalifornia Statewide Communities Development Authority, P-Floats (Series MT-387), 0.350%, 12/1/204674703RJW6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN37101000.0037101000.000.0073N37101000.0037101000.00Uptown Housing Partners LPOakland, CA Redevelopment Agency (Uptown Housing Partners LP) , P-Floats (Series MT-176), 0.360%, 10/1/205067232MAC4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-112011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN60695000.0060695000.000.0119N60695000.0060695000.00New Jersey StateNew Jersey State, Putters (Series 3810), 0.300%, 6/2/201146633VZZ5Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-022011-06-02NNYLiquidity AgreementJ.P. Morgan Chase & Co.N/AN/A45000000.0045000000.000.0088N45002250.0045002250.00New York City Housing Development Corp.New York City Housing Development Corp., Multi-Family Housing Revenue Bonds (2006 Series J-1), 0.480%, 9/15/201164972BDC6Other Municipal DebtNFirst Tier SecurityN/AN/A2011-09-152011-09-15NNN35000000.0035000000.000.0069N35000700.0035000700.00Robbinsville Township, NJRobbinsville Township, NJ, 1.250%, 9/20/2011770286AT9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-09-202011-09-20NNN12387000.0012413287.670.0024N12416604.9312416604.93Catskill, NY Central School DistrictCatskill, NY Central School District, 1.250%, 9/23/2011149381CY9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-09-232011-09-23NNN14300000.0014322496.060.0028N14324739.0014324739.00North White Road AssociatesSan Jose, CA Multifamily Housing Revenue Bonds (North White Road Associates) , P-Floats (Series MT-654), 0.350%, 4/1/204474703YXG0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YFederal Home Loan Mortgage Corp.N/AN/AYFederal Home Loan Mortgage Corp.N/AN/AN6180000.006180000.000.0012N6180000.006180000.00Urban Park ApartmentsSt. Louis Park, MN (Urban Park Apartments) , (Series 2010A), 0.350%, 9/1/204079177DEX6Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN4125000.004125000.000.0008N4125000.004125000.00San Francisco, CA City & County Airport CommissionSan Francisco, CA City & County Airport Commission, Second Series (Issue 36B), 0.260%, 5/1/202679765AX84Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN2000000.002000000.000.0004N2000000.002000000.00Grand Island, NYGrand Island, NY, 1.250%, 10/19/2011385712QW7Other Municipal DebtNFirst Tier SecurityN/AN/A2011-10-192011-10-19NNN7270000.007293702.200.0014N7294790.707294790.70Old Bridge Township, NJOld Bridge Township, NJ, 1.000%, 10/18/2011679506KB0Other Municipal DebtNFirst Tier SecurityN/AN/A2011-10-182011-10-18NNN6778000.006792118.350.0013N6791623.786791623.78Denville Township, NJDenville Township, NJ, 1.000%, 10/21/2011249487HA0Other Municipal DebtNFirst Tier SecurityN/AN/A2011-10-212011-10-21NNN5369570.005380437.270.0011N5382564.365382564.36Plainville, CTPlainville, CT, 1.500%, 10/27/2011726770SV3Other Municipal DebtNFirst Tier SecurityN/AN/A2011-10-272011-10-27NNN6000000.006026318.900.0012N6028680.006028680.00Michigan StateMichigan State, Fiscal Year 2011 (Series A), 2.000%, 9/30/20115946106R3Other Municipal DebtNFirst Tier SecurityN/AN/A2011-09-302011-09-30NNN80000000.0080521774.550.0158N80547200.0080547200.00United Stainless, Inc.Selmer/McNairy County, TN Industrial Development Board (United Stainless, Inc.) , (Series 2008), 0.450%, 12/1/2023816604AB8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YWells Fargo Bank, N.A.N/AN/AYWells Fargo Bank, N.A.N/AN/AN8500000.008500000.000.0017N8500000.008500000.00Municipal Gas Authority of GeorgiaMunicipal Gas Authority of Georgia, (Series III - J), 2.000%, 11/16/2011373295HF4Other Municipal DebtNFirst Tier SecurityN/AN/A2011-11-162011-11-16NNN6000000.006045502.850.0012N6052080.006052080.00Stella Maris, Inc.Maryland State Health & Higher Educational Facilities Authority (Stella Maris, Inc.) , (Series 1997), 0.410%, 7/1/20215742167W1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YManufacturers & Traders Trust Co., Buffalo, NYN/AN/AYManufacturers & Traders Trust Co., Buffalo, NYN/AN/AN12175000.0012175000.000.0024N12175000.0012175000.00Nassau County, NYNassau County, NY, 2.000%, 10/15/201163165TFA8Other Municipal DebtNFirst Tier SecurityN/AN/A2011-10-152011-10-15NNN15000000.0015052312.620.0029N15060150.0015060150.00Connecticut State HFAConnecticut State HFA, P-Floats (Series PT-4690), 0.400%, 5/15/204274703YYU8Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBank of America N.A.N/AN/ANN600000.00600000.000.0001N600000.00600000.00Spectrum HealthKent Hospital Finance Authority, MI (Spectrum Health) , (Series 2008B-2), 0.380%, 1/15/2047490580CV7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YLandesbank Baden-WurttembergN/AN/ANN27750000.0027750000.000.0054N27750000.0027750000.00T & M LPJasper County, IN EDA (T & M LP) , (Series 2010A), 0.310%, 11/1/2021471375AA3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN5000000.005000000.000.0010N5000000.005000000.00T & M LPJasper County, IN EDA (T & M LP) , (Series 2010B), 0.260%, 8/1/2025471375AB1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN4035000.004035000.000.0008N4035000.004035000.00T & M LPJasper County, IN EDA (T & M LP) , (Series 2010C), 0.260%, 4/1/2026471375AC9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YRabobank Nederland NV, UtrechtN/AN/AYRabobank Nederland NV, UtrechtN/AN/AN6500000.006500000.000.0013N6500000.006500000.00Nuveen Premier Insured Municipal Income Fund, Inc.Nuveen Premier Insured Municipal Income Fund, Inc., [1309 Series 1], 0.510%, 12/1/2040670987502Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN24000000.0024000000.000.0047N24000000.0024000000.00Nuveen California Performance Plus Municipal Fund, Inc.Nuveen California Performance Plus Municipal Fund, Inc., [810 Series 1], 0.510%, 12/1/204067062Q502Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN15000000.0015000000.000.0029N15000000.0015000000.00Nuveen California Investment Quality Municipal Fund, Inc.Nuveen California Investment Quality Municipal Fund, Inc., [956 Series 1], 0.510%, 12/1/204067062A408Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN11000000.0011000000.000.0022N11000000.0011000000.00Freehold Township, NJFreehold Township, NJ, 1.500%, 12/21/2011356502MF8Other Municipal DebtNFirst Tier SecurityN/AN/A2011-12-212011-12-21NNN5000000.005022246.030.0010N5025200.005025200.00Middle Township, NJMiddle Township, NJ, 1.280%, 12/16/2011596010FH6Other Municipal DebtNFirst Tier SecurityN/AN/A2011-12-162011-12-16NNN3269150.003269150.000.0006N3271896.093271896.09Nuveen Quality Income Municipal Fund, Inc.Nuveen Quality Income Municipal Fund, Inc., (3884 Series 1), 0.480%, 12/1/2040670977800Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YJPMorgan Chase Bank, N.A.N/AN/AYJPMorgan Chase Bank, N.A.N/AN/AN25000000.0025000000.000.0049N25000000.0025000000.00Nuveen Insured Municipal Opportunity FundNuveen Insured Municipal Opportunity Fund, (Series 1), 0.510%, 12/1/2040670984863Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN30000000.0030000000.000.0059N30000000.0030000000.00Putnam, CTPutnam, CT, 1.500%, 1/17/2012746452FX4Other Municipal DebtNFirst Tier SecurityN/AN/A2012-01-172012-01-17NNN10500000.0010546076.540.0021N10550715.0010550715.00Wichita, KSWichita, KS, 0.500%, 2/9/2012967244XK5Other Municipal DebtNFirst Tier SecurityN/AN/A2012-02-092012-02-09NNN10000000.0010002802.200.0020N10004700.0010004700.00Bartholomew Consolidated School Corp., INBartholomew Consolidated School Corp., IN, 2.150%, 12/30/2011069212DL9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-12-302011-12-30NNN20000000.0020151609.330.0039N20159600.0020159600.00Georgia Power Co.Monroe County, GA Development Authority (Georgia Power Co.) , (First Series 2008), 0.270%, 11/1/2048610530EU7Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-022011-05-02YGeorgia Power Co.N/AN/ANN31300000.0031300000.000.0061N31300000.0031300000.00Framingham, MAFramingham, MA, 1.500%, 6/17/2011351694P81Other Municipal DebtNFirst Tier SecurityN/AN/A2011-06-172011-06-17NNN12000000.0012016007.650.0024N12015960.0012015960.00Brewster, NY Central School DistrictBrewster, NY Central School District, 0.750%, 10/27/2011107745GL9Other Municipal DebtNFirst Tier SecurityN/AN/A2011-10-272011-10-27NNN10000000.0010011262.920.0020N10012600.0010012600.00Kentucky Housing Corp.Kentucky Housing Corp., (2005 Series B), 0.300%, 7/1/203249130PRT3Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBNP Paribas SAN/AN/ANN9880000.009880000.000.0019N9880000.009880000.00Kentucky Housing Corp.Kentucky Housing Corp., (2006 Series I), 0.300%, 1/1/203249130PZV9Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YBNP Paribas SAN/AN/ANN1850000.001850000.000.0004N1850000.001850000.00Readington Township, NJReadington Township, NJ, 1.500%, 2/2/2012755664FW4Other Municipal DebtNFirst Tier SecurityN/AN/A2012-02-022012-02-02NNN10000000.0010072399.450.0020N10079100.0010079100.00Denver, CO City & County Airport AuthorityDenver, CO City & County Airport Authority, (Series E), 5.000%, 11/15/2011249181N95Other Municipal DebtNFirst Tier SecurityN/AN/A2011-11-152011-11-15NNN5000000.005116370.330.0010N5114200.005114200.00Groton SchoolMassachusetts IFA (Groton School) , (Series 1998B), 0.260%, 3/1/2028575925NY4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YU.S. Bank, N.A.N/AN/ANN3150000.003150000.000.0006N3150000.003150000.00Texas StateTexas State, Veterans' Housing Assistance Program, Fund II (Series 2004B), 0.270%, 12/1/2034882721AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YSumitomo Mitsui Banking Corp.N/AN/ANN9840000.009840000.000.0019N9840000.009840000.00Wailuku River HydroelectricHawaii State Department of Budget & Finance (Wailuku River Hydroelectric) , (Series 1991), 0.350%, 12/1/2021419798JW4Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN10557000.0010557000.000.0021N10557000.0010557000.00Texas StateTexas State, Veterans Land Board (Series 2002), 0.320%, 12/1/2032882720US2Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YSumitomo Mitsui Banking Corp.N/AN/ANN16945000.0016945000.000.0033N16945000.0016945000.00Steel Dust Recycling, LLCMillport, AL IDA (Steel Dust Recycling, LLC) , (Series 2011), 0.320%, 3/1/2041601127AA1Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN7000000.007000000.000.0014N7000000.007000000.00Oz Enterprises, LLCAlameda County, CA IDA (Oz Enterprises, LLC) , (Series 2005: Essai, Inc. Project), 0.350%, 8/1/2035011107BF5Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YUnion Bank, N.A.N/AN/AYUnion Bank, N.A.N/AN/AN3750000.003750000.000.0007N3750000.003750000.00Hartford, CTHartford, CT, 2.000%, 4/12/20124164147T1Other Municipal DebtNFirst Tier SecurityN/AN/A2012-04-122012-04-12NNN10000000.0010129934.340.0020N10129500.0010129500.00BlackRock MuniYeld California Quality Fund, Inc.BlackRock MuniYeld California Quality Fund, Inc., (1,665 Series W-7), 0.510%, 4/1/204109254N806Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN29000000.0029000000.000.0057N29000000.0029000000.00BlackRock MuniYield New Jersey Fund, Inc.BlackRock MuniYield New Jersey Fund, Inc., (1,022 Series W-7), 0.510%, 4/1/204109254Y505Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-062011-05-06YCitibank NA, New YorkN/AN/AYCitibank NA, New YorkN/AN/AN9000000.009000000.000.0018N9000000.009000000.00Commonwealth of MassachusettsCommonwealth of Massachusetts, DCL Floater Certificates (Series 2008-022), 0.650%, 9/1/202257582PHT0Variable Rate Demand NoteNFirst Tier SecurityN/AN/A2011-05-052011-05-02YDexia Credit LocalN/AN/ANN23000000.0023000000.000.0045N23000000.0023000000.00Killingly, CTKillingly, CT, 1.250%, 5/2/2012494242PA2Other Municipal DebtNFirst Tier SecurityN/AN/A2012-05-022012-05-02NNN10000000.0010071400.000.0020N10089800.0010089800.00