N-MFP LIVE N 2011-07-31 0000746458 S000006473 1 N N 002-91229 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC. 801-08174 PricewaterhouseCoopers, LLP KANSAS CITY MO AMERICAN CENTURY SERVICES, LLC American Century Services, LLC 0000794265 084-01406 N N N Other Tax Exempt Fund 42 50 229103428.23 1481310.53 284223.86 230300514.90 0.0033 1.0000 2011-07-31 1.0000 2011-07-31 C000017692 2500.00 230300514.90 1.00 -1606571.89 8215089.33 9821661.22 0.0001 1.0000 2011-07-31 1.0000 2011-07-31 Alameda County Industrial Development Auth. Alameda County Industrial Development Auth. 0.23 011107AE9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF THE WEST N/A N/A Y BANK OF THE WEST N/A N/A N 4100000.00 4100000.00 0.0178 N 4100000.00 4100000.00 Allen County Health Care Facilities Allen County Health Care Facilities 0.2 01757RAA1 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 940000.00 940000.00 0.0041 N 940000.00 940000.00 Avon Industrial Development Avon Industrial Development 0.15 054027AC1 Variable Rate Demand Note First Tier Security 2011-08-01 2011-08-07 Y U.S. BANK N.A. N/A N/A Y U.S. BANK N.A. N/A N/A N 2745000.00 2745000.00 0.0119 N 2745000.00 2745000.00 Berks County Municipal Auth. Berks County Municipal Auth. 0.25 084538GR2 Other Municipal Debt First Tier Security 2011-08-06 2012-01-19 N N N 11285000.00 11285000.00 0.0490 N 11285000.00 11285000.00 Bradley County Industrial Development Board Bradley County Industrial Development Board 0.15 104565CP9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF NOVA SCOTIA N/A N/A Y BANK OF NOVA SCOTIA N/A N/A N 7880000.00 7880000.00 0.0342 N 7880000.00 7880000.00 Brazos Harbor Industrial Development Corp. Brazos Harbor Industrial Development Corp. 0.22 10623QAA6 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 N N N 11500000.00 11500000.00 0.0499 N 11500000.00 11500000.00 Buncombe County Buncombe County 0.2 120511UZ1 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1050000.00 1050000.00 0.0046 N 1050000.00 1050000.00 California School Cash Reserve Program Auth. California School Cash Reserve Program Auth. 2 130583DX2 Other Municipal Debt First Tier Security 2012-03-01 2012-03-01 N N N 4000000.00 4037606.72 0.0175 N 4039600.00 4039600.00 California School Cash Reserve Program Auth. California School Cash Reserve Program Auth. 2 130583DZ7 Other Municipal Debt First Tier Security 2012-06-01 2012-06-01 N N N 6000000.00 6075541.96 0.0264 N 6080460.00 6080460.00 Chicago Illionis Industrial Development Chicago Illionis Industrial Development 0.16 167531BL5 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y JPMORGAN CHASE BANK N/A N/A Y JPMORGAN CHASE BANK N/A N/A N 1200000.00 1200000.00 0.0052 N 1200000.00 1200000.00 Clayton County Multi-Family Housing Auth. Clayton County Multi-Family Housing Auth. 0.85 184160FH7 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y SOCIETE GENERALE N/A N/A Y SOCIETE GENERALE N/A N/A ASSURED GUARANTY MUNICIPAL CORP N/A N/A N 1955000.00 1955000.00 0.0085 N 1955000.00 1955000.00 Clayton County Multi-Family Housing Auth. Clayton County Multi-Family Housing Auth. 0.85 184160FF1 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y SOCIETE GENERALE N/A N/A Y SOCIETE GENERALE N/A N/A ASSURED GUARANTY MUNICIPAL CORP N/A N/A N 3315000.00 3315000.00 0.0144 N 3315000.00 3315000.00 Clayton County Multi-Family Housing Auth. Clayton County Multi-Family Housing Auth. 0.85 184160FE4 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y SOCIETE GENERALE N/A N/A Y SOCIETE GENERALE N/A N/A ASSURED GUARANTY MUNICIPAL CORP N/A N/A N 6155000.00 6155000.00 0.0267 N 6155000.00 6155000.00 Delaware Health Facilities Auth. Delaware Health Facilities Auth. 0.13 246388KD3 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y PNC BANK NA N/A N/A Y PNC BANK NA N/A N/A N 12805000.00 12805000.00 0.0556 N 12805000.00 12805000.00 DeSoto County Industrial Development DeSoto County Industrial Development 0.15 241521AM5 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BRANCH BANKING & TRUST CO. N/A N/A Y BRANCH BANKING & TRUST CO. N/A N/A N 2000000.00 2000000.00 0.0087 N 2000000.00 2000000.00 Dover-Foxcroft Maine Dover-Foxcroft Maine 0.17 260109AA1 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1160000.00 1160000.00 0.0050 N 1160000.00 1160000.00 Escambia County Solid Waste Disposal System Escambia County Solid Waste Disposal System 0.35 296163BB3 Variable Rate Demand Note First Tier Security 2011-08-01 2011-08-01 N N N 6300000.00 6300000.00 0.0274 N 6300000.00 6300000.00 Guymon Utilities Auth. Guymon Utilities Auth. 0.12 403613AA0 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF THE WEST N/A N/A Y BANK OF THE WEST N/A N/A N 3300000.00 3300000.00 0.0143 N 3300000.00 3300000.00 Hale County Industrial Development Corp. Hale County Industrial Development Corp. 0.13 405475AA2 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF THE WEST N/A N/A Y BANK OF THE WEST N/A N/A N 3000000.00 3000000.00 0.0130 N 3000000.00 3000000.00 Illinois Development Finance Auth. Illinois Development Finance Auth. 0.32 45188RUD9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 4000000.00 4000000.00 0.0174 N 4000000.00 4000000.00 Illinois Finance Auth. Illinois Finance Auth. 0.22 45200BH43 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 4000000.00 4000000.00 0.0174 N 4000000.00 4000000.00 Illinois Finance Auth. Illinois Finance Auth. 0.32 45200BFE3 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 1900000.00 1900000.00 0.0083 N 1900000.00 1900000.00 Illinois Housing Development Auth. Illinois Housing Development Auth. 0.47 45203LAG8 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y FEDERAL HOME LOAN BANKS N/A N/A Y FEDERAL HOME LOAN BANKS N/A N/A N 1910000.00 1910000.00 0.0083 N 1910000.00 1910000.00 Indiana Finance Auth. Industrial Development Indiana Finance Auth. Industrial Development 0.4 454907CF1 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 2135000.00 2135000.00 0.0093 N 2135000.00 2135000.00 Indiana Health Facility Financing Auth. Indiana Health Facility Financing Auth. 0.18 454798PG8 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y JPMORGAN CHASE BANK N/A N/A Y JPMORGAN CHASE BANK N/A N/A N 400000.00 400000.00 0.0017 N 400000.00 400000.00 Iowa Finance Auth. Economic Development Iowa Finance Auth. Economic Development 0.15 46246MDZ8 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 N N N 4000000.00 4000000.00 0.0174 N 4000000.00 4000000.00 Iowa Finance Auth. Industrial Development Iowa Finance Auth. Industrial Development 0.25 46246HFV6 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1000000.00 1000000.00 0.0043 N 1000000.00 1000000.00 Iredell County Industrial Facilities & Pollution Control Financing Auth. Iredell County Industrial Facilities & Pollution Control Financing Auth. 0.25 462673AH7 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1100000.00 1100000.00 0.0048 N 1100000.00 1100000.00 Jasper County Industrial Development Jasper County Industrial Development 0.23 471371AB0 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF THE WEST N/A N/A Y BANK OF THE WEST N/A N/A N 2800000.00 2800000.00 0.0122 N 2800000.00 2800000.00 JP Morgan Chase Trust JP Morgan Chase Trust 0.2 46633V4M8 Variable Rate Demand Note First Tier Security 2011-08-01 2011-08-01 Y J.P.MORGAN CHASE & CO. N/A N/A Y J.P.MORGAN CHASE & CO. N/A N/A N 4500000.00 4500000.00 0.0195 N 4500000.00 4500000.00 JP Morgan Chase Trust JP Morgan Chase Trust 0.22 46632P2E2 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y JPMORGAN CHASE BANK N/A N/A Y JPMORGAN CHASE BANK N/A N/A ASSURED GUARANTY MUNICIPAL CORP N/A N/A N 3695000.00 3695000.00 0.0160 N 3695000.00 3695000.00 Los Angeles California Los Angeles California 2.5 544351GX1 Other Municipal Debt First Tier Security 2012-03-30 2012-03-30 N N N 3500000.00 3550626.03 0.0154 N 3553935.00 3553935.00 Los Angeles California Los Angeles California 2.5 544351GY9 Other Municipal Debt First Tier Security 2012-04-30 2012-04-30 N N N 4500000.00 4572577.94 0.0199 N 4577265.00 4577265.00 Los Angeles County Los Angeles County 2.5 544657HH5 Other Municipal Debt First Tier Security 2012-02-29 2012-02-29 N N N 2000000.00 2025091.03 0.0088 N 2026140.00 2026140.00 Los Angeles County Los Angeles County 2.5 544657HJ1 Other Municipal Debt First Tier Security 2012-03-30 2012-03-30 N N N 6000000.00 6085577.58 0.0264 N 6089160.00 6089160.00 Louisiana Local Government Environmental Facilities & Community Development Auth. Louisiana Local Government Environmental Facilities & Community Development Auth. 0.18 546279YW4 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1760000.00 1760000.00 0.0076 N 1760000.00 1760000.00 Macon Trust Macon Trust 0.21 555866BJ0 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 5395000.00 5395000.00 0.0234 N 5395000.00 5395000.00 Maryland Economic Development Corp. Maryland Economic Development Corp. 0.18 57420NAQ4 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 1215000.00 1215000.00 0.0053 N 1215000.00 1215000.00 Massachusetts Industrial Finance Agency. Massachusetts Industrial Finance Agency. 0.28 575855T35 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF NEW YORK MELLON N/A N/A Y BANK OF NEW YORK MELLON N/A N/A N 1240000.00 1240000.00 0.0054 N 1240000.00 1240000.00 Massachusetts Water Resources Auth. Massachusetts Water Resources Auth. 0.17 576049YH7 Variable Rate Demand Note First Tier Security 2011-08-01 2011-08-01 Y LANDESBANK HESSEN-THURINGEN GIROZENTRALE N/A N/A Y LANDESBANK HESSEN-THURINGEN GIROZENTRALE N/A N/A N 1500000.00 1500000.00 0.0065 N 1500000.00 1500000.00 Milwaukee Redevelopment Auth. Milwaukee Redevelopment Auth. 0.34 60242EFM8 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y U.S. BANK N.A. N/A N/A Y U.S. BANK N.A. N/A N/A N 2175000.00 2175000.00 0.0094 N 2175000.00 2175000.00 Mississippi Business Finance Corp. Mississippi Business Finance Corp. 0.2 605279EZ7 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1715000.00 1715000.00 0.0074 N 1715000.00 1715000.00 Muleshoe Economic Development Corp. Industrial Development Muleshoe Economic Development Corp. Industrial Development 0.18 625196AA8 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 4755000.00 4755000.00 0.0206 N 4755000.00 4755000.00 New York City Capital Resources Corp. New York City Capital Resources Corp. 0.15 649437AG5 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 2500000.00 2500000.00 0.0109 N 2500000.00 2500000.00 New York City Industrial Development Agency New York City Industrial Development Agency 0.49 64971CSU9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y JPMORGAN CHASE BANK N/A N/A Y JPMORGAN CHASE BANK N/A N/A N 595000.00 595000.00 0.0026 N 595000.00 595000.00 North Carolina Capital Facilities Finance Agency North Carolina Capital Facilities Finance Agency 0.2 65819GCD8 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 1175000.00 1175000.00 0.0051 N 1175000.00 1175000.00 North Carolina Housing Finance Agency North Carolina Housing Finance Agency 0.17 65820EK90 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 340000.00 340000.00 0.0015 N 340000.00 340000.00 North Carolina Medical Care Commission North Carolina Medical Care Commission 0.2 657902RQ7 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 905000.00 905000.00 0.0039 N 905000.00 905000.00 North Carolina Medical Care Commission Health Care Facilities North Carolina Medical Care Commission Health Care Facilities 0.2 657902US9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1400000.00 1400000.00 0.0061 N 1400000.00 1400000.00 Riverside County Riverside County 2 76914AAB8 Other Municipal Debt First Tier Security 2011-10-12 2011-10-12 N N N 2680000.00 2686820.05 0.0117 N 2688549.20 2688549.20 Rock Island County Metropolitan Airport Auth. Rock Island County Metropolitan Airport Auth. 0.24 772340AL9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y U.S. BANK N.A. N/A N/A Y U.S. BANK N.A. N/A N/A N 2155000.00 2155000.00 0.0094 N 2155000.00 2155000.00 Santa Rosa Wastewater Santa Rosa Wastewater 0.42 802649MB6 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y LANDESBANK BADEN-WUERTTEMBERG N/A N/A Y LANDESBANK BADEN-WUERTTEMBERG N/A N/A N 15900000.00 15900000.00 0.0690 N 15900000.00 15900000.00 Shawnee Private Activity Shawnee Private Activity 0.25 820692AB7 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 1310000.00 1310000.00 0.0057 N 1310000.00 1310000.00 Smith County Texas Smith County Texas 1 832033HL1 Other Municipal Debt First Tier Security 2012-08-15 2012-08-15 N N N 3130000.00 3147748.56 0.0137 N 3151127.50 3151127.50 St. Louis County Industrial Development Educational Facilities Auth. St. Louis County Industrial Development Educational Facilities Auth. 0.2 79130TAZ6 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y FEDERAL HOME LOAN BANKS N/A N/A Y FEDERAL HOME LOAN BANKS N/A N/A N 5650000.00 5650000.00 0.0245 N 5650000.00 5650000.00 Stephens County Development Auth. Stephens County Development Auth. 0.43 858748AA4 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 N N N 1520000.00 1520000.00 0.0066 N 1520000.00 1520000.00 Terrebonne Economic Development Auth. Terrebonne Economic Development Auth. 0.3 881181AA9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y FEDERAL HOME LOAN BANKS N/A N/A Y FEDERAL HOME LOAN BANKS N/A N/A N 3680000.00 3680000.00 0.0160 N 3680000.00 3680000.00 Texas Texas 2 882722VC2 Other Municipal Debt First Tier Security 2011-08-31 2011-08-31 N N N 5000000.00 5006838.36 0.0217 N 5008500.00 5008500.00 Thornton Industrial Development Thornton Industrial Development 0.15 885280AE7 Variable Rate Demand Note First Tier Security 2011-08-01 2011-08-07 Y U.S. BANK N.A. N/A N/A Y U.S. BANK N.A. N/A N/A N 2900000.00 2900000.00 0.0126 N 2900000.00 2900000.00 Troy Health Care Auth. Troy Health Care Auth. 0.18 897308AA0 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y FEDERAL HOME LOAN BANKS N/A N/A Y FEDERAL HOME LOAN BANKS N/A N/A N 2075000.00 2075000.00 0.0090 N 2075000.00 2075000.00 Victorville Joint Powers Financing Auth. Victorville Joint Powers Financing Auth. 1.35 92643UAC7 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BNP PARIBAS N/A N/A Y BNP PARIBAS N/A N/A N 11395000.00 11395000.00 0.0495 N 11395000.00 11395000.00 Washington Economic Development Finance Auth. Washington Economic Development Finance Auth. 0.11 939758CQ9 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y WELLS FARGO BANK NA N/A N/A Y WELLS FARGO BANK NA N/A N/A N 3780000.00 3780000.00 0.0164 N 3780000.00 3780000.00 Washington Finance Commission Nonprofit Housing Washington Finance Commission Nonprofit Housing 0.39 939783HP4 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y BANK OF AMERICA N.A. N/A N/A Y BANK OF AMERICA N.A. N/A N/A N 1750000.00 1750000.00 0.0076 N 1750000.00 1750000.00 Winchester Industrial Building Winchester Industrial Building 0.15 972856EA2 Variable Rate Demand Note First Tier Security 2011-08-07 2011-08-07 Y U.S. BANK N.A. N/A N/A Y U.S. BANK N.A. N/A N/A N 1000000.00 1000000.00 0.0043 N 1000000.00 1000000.00