Pioneer AMT-Free Municipal Fund

Top 10 Portfolio Holdings as of 3/28/2013
Default: sorted by market value

Security Name Par / Shares Market Value
ADAMS-FRIENDSHIP ARE 6.5% 04/01/16 1,430,000 $1,660,559
ALAMEDA CORRIDOR TRA 0% 10/01/31 10,000,000 $4,286,300
ALBANY INDUSTRIAL DE 5.25% 11/15/32 2,500,000 $2,707,650
ALLENTOWN AREA HOSPI 6% 11/15/16 2,190,000 $2,220,397
ANAHEIM PUBLIC FINAN 0% 09/01/23 13,865,000 $9,671,253
ANAHEIM PUBLIC FINAN 0% 09/01/36 12,595,000 $3,541,714
ARIZONA HEALTH FACIL 5.5% 01/01/38 5,145,000 $5,667,989
BLACKROCK LIQUIDITY 8,000,000 $8,000,000
BUCKEYE TOBACCO SETT 5.75% 06/01/34 10,000,000 $8,891,000
BUCKEYE TOBACCO SETT 6.5% 06/01/47 6,000,000 $5,815,560
BURKE COUNTY DEVELOP 7.0000% 01/01/23 5,750,000 $6,773,615
CALIFORNIA EDUCATION 5.25% 04/01/40 1,000,000 $1,377,790
CALIFORNIA HEALTH FA 5.625% 07/01/32 2,000,000 $2,191,900
CALIFORNIA MUNICIPAL 5.25% 02/01/37 4,000,000 $4,187,800
CALIFORNIA STATEWIDE 5.25% 11/15/48 10,000,000 $11,115,900
CALIFORNIA STATEWIDE 5.375% 12/01/37 4,000,000 $4,224,320
CALIFORNIA STATEWIDE 5.75% 07/01/47 10,000,000 $11,474,800
CALIFORNIA STATEWIDE 5.75% 08/15/38 4,000,000 $4,534,760
CALIFORNIA STATEWIDE 5% 05/15/30 4,875,000 $5,042,993
CALIFORNIA STATEWIDE 5% 05/15/38 4,125,000 $4,214,595
CALIFORNIA STATEWIDE 5% 08/15/47 6,455,000 $6,706,487
CAMDEN COUNTY IMPROV 5.75% 02/15/34 1,250,000 $1,312,513
CENTRAL TEXAS REGION 0% 01/01/25 7,100,000 $4,231,600
CENTRAL TEXAS REGION 0% 01/01/26 3,000,000 $1,668,870
CENTRAL TEXAS REGION 0% 01/01/27 3,000,000 $1,574,730
CENTRAL TEXAS REGION 6.75% 01/01/41 2,500,000 $2,902,900
CHESAPEAKE BAY BRIDG 5.5% 07/01/25 5,000,000 $5,815,800
CITY OF ATLANTA GA D 5% 01/01/28 3,970,000 $4,544,499
CITY OF CINCINNATI O 5% 12/01/36 2,000,000 $2,277,240
CITY OF CINCINNATI O 5% 12/01/37 1,000,000 $1,139,430
CITY OF DETROIT MI W 6.25% 07/01/36 3,000,000 $3,461,700
CITY OF FORSYTH MT 5% 03/01/31 2,785,000 $2,816,610
CITY OF PITTSFIELD M 5% 03/01/19 4,000,000 $4,811,440
CITY OF SEATTLE WA 4% 09/01/37 10,000,000 $10,356,900
CITY OF TALLAHASSEE 6.375% 12/01/30 7,500,000 $7,621,650
CMS ENERGY CORP 200 $640,000
COLORADO HEALTH FACI 5.25% 11/15/35 2,750,000 $3,036,605
CONNECTICUT STATE HE 5.5% 07/01/17 1,000,000 $1,006,100
CONNECTICUT STATE HE 5% 07/01/42 4,795,000 $5,291,954
COUNTY OF CUYAHOGA O 6% 05/15/37 1,500,000 $1,543,980
COUNTY OF CUYAHOGA O 6% 05/15/42 1,500,000 $1,542,855
COUNTY OF DONA ANA N 5.25% 12/01/25 1,000,000 $1,031,970
COUNTY OF FREDERICK 5.625% 09/01/38 3,000,000 $3,020,700
COUNTY OF LAKE OH 6% 08/15/43 5,000,000 $5,558,750
COUNTY OF LARAMIE WY 5% 05/01/37 1,000,000 $1,087,970
COUNTY OF LOWNDES MS 6.8000% 04/01/22 7,950,000 $9,523,305
COUNTY OF MADISON FL 6% 07/01/25 520,000 $511,103
COUNTY OF MIAMI-DADE 5.5% 10/01/41 5,000,000 $5,699,200
COUNTY OF MIAMI-DADE 5% 06/01/22 4,885,000 $5,258,898
COUNTY OF WARREN MS 5.8% 05/01/34 2,750,000 $3,100,845
DALLAS AREA RAPID TR 5.25% 12/01/29 8,285,000 $10,615,488
DALLAS COUNTY UTILIT 5.375% 02/15/29 10,000,000 $10,889,600
DELAWARE COUNTY HOSP 5% 08/01/24 3,500,000 $3,746,785
DELAWARE STATE ECONO 5.375% 10/01/45 5,000,000 $5,295,700
DESCHUTES & JEFFERSO 3% 06/15/32 3,000,000 $2,906,730
DISTRICT OF COLUMBIA 4.25% 06/01/37 7,950,000 $8,065,037
DISTRICT OF COLUMBIA 6.75% 05/15/40 10,000,000 $10,399,800
E-470 PUBLIC HIGHWAY 0% 09/01/23 15,000,000 $10,007,550
E-470 PUBLIC HIGHWAY 0% 09/01/27 5,000,000 $2,627,650
ESCAMBIA COUNTY HEAL 5.25% 11/15/32 8,000,000 $8,104,960
ESCAMBIA COUNTY HEAL 6% 08/15/36 3,000,000 $3,402,570
FLORIDA DEVELOPMENT 6% 09/15/30 1,390,000 $1,491,776
FRANKLIN-MCKINLEY SC 6% 07/01/16 1,000,000 $1,161,450
FRESNO JOINT POWERS 4.75% 09/01/28 2,100,000 $2,080,680
FYI PROPERTIES 5.5% 06/01/39 10,000,000 $11,142,600
GOLDEN STATE TOBACCO 5.125% 06/01/47 15,000,000 $13,101,300
GREATER ORLANDO AVIA 5% 10/01/25 1,830,000 $2,149,866
HARRIS COUNTY CULTUR 5% 06/01/28 1,000,000 $1,100,430
HARRIS COUNTY CULTUR 5% 06/01/33 1,000,000 $1,072,480
HOUSTON HIGHER EDUCA 5% 05/15/40 390,000 $439,725
ILLINOIS FINANCE AUT 5.1% 08/15/31 3,000,000 $3,162,450
ILLINOIS FINANCE AUT 5.25% 05/01/40 1,000,000 $1,055,620
ILLINOIS FINANCE AUT 5.25% 10/01/24 1,580,000 $1,693,428
ILLINOIS FINANCE AUT 5.5% 08/15/30 4,000,000 $4,279,680
ILLINOIS FINANCE AUT 6.125% 05/15/27 1,000,000 $1,035,750
ILLINOIS FINANCE AUT 6.5% 04/01/39 5,000,000 $5,672,700
ILLINOIS FINANCE AUT 6% 08/15/25 1,600,000 $1,688,096
INDIANA BOND BANK 5.5% 02/01/29 2,000,000 $2,304,300
INDIANA FINANCE AUTH 6% 12/01/26 2,000,000 $2,112,400
INDIANA HEALTH & EDU 4.75% 02/15/34 5,000,000 $5,193,300
INDIANA HEALTH & EDU 5% 02/15/39 7,000,000 $7,453,740
INDIANAPOLIS LOCAL P 6.75% 02/01/14 335,000 $352,628
INDIANAPOLIS LOCAL P 6% 01/10/20 500,000 $576,800
JEFFERSON PARISH HOS 6.375% 07/01/41 6,000,000 $7,002,540
JOBSOHIO BEVERAGE SY 5% 01/01/38 10,000,000 $11,125,500
JOHN TOLFREE HEALTH 6% 09/15/23 1,500,000 $1,491,915
KING & SNOHOMISH COU 5% 12/01/30 1,000,000 $1,168,950
KING & SNOHOMISH COU 5% 12/01/31 1,000,000 $1,164,570
KING COUNTY HOUSING 5.5% 05/01/38 10,000,000 $10,896,100
KING COUNTY PUBLIC H 5.25% 12/01/37 3,000,000 $3,299,310
LAWRENCE TOWNSHIP ME 6.75% 07/05/13 260,000 $264,077
LEE COUNTY INDUSTRIA 4.75% 06/15/14 2,255,000 $2,287,021
LEE COUNTY INDUSTRIA 5.375% 06/15/37 2,000,000 $2,006,180
LEHIGH COUNTY INDUST 4.75% 02/15/27 10,000,000 $10,215,700
LONG BEACH BOND FINA 5.5% 11/15/37 3,000,000 $3,659,340
LOUISIANA LOCAL GOVE 5.25% 12/01/18 615,000 $645,682
LOUISIANA PUBLIC FAC 5.5% 05/15/47 10,000,000 $10,566,600
LOUISIANA STATE CITI 5% 06/01/24 400,000 $455,576
LOUISIANA STATE CITI 5% 06/01/24 500,000 $576,330
LOWER COLORADO RIVER 5.25% 05/15/21 20,000 $20,121
MAINE HEALTH & HIGHE 6.75% 07/01/36 4,500,000 $5,447,250
MAINE HEALTH & HIGHE 6.9500% 07/01/41 3,040,000 $3,689,040
MAIN STREET NATURAL 5.5% 09/15/28 5,000,000 $6,005,200
MARICOPA COUNTY HIGH 3.5000% 07/01/25 3,060,000 $3,123,281
MARICOPA COUNTY POLL 5% 06/01/35 1,000,000 $1,097,060
MARION COUNTY SCHOOL 4% 06/15/19 1,000,000 $1,157,880
MARYLAND ECONOMIC DE 5.75% 09/01/25 1,200,000 $1,330,872
MARYLAND ECONOMIC DE 5% 12/01/16 400,000 $364,784
MARYLAND ECONOMIC DE 5% 12/01/16 900,000 $820,764
MARYLAND ECONOMIC DE 5% 12/01/31 1,000,000 $684,690
MARYLAND ECONOMIC DE 6.2% 09/01/22 2,000,000 $2,455,680
MARYLAND HEALTH & HI 5.75% 07/01/38 4,400,000 $4,898,212
MASSACHUSETTS DE 5.15% 10/01/14 235,000 $240,476
MASSACHUSETTS DEVELO 4% 09/01/49 2,500,000 $2,397,625
MASSACHUSETTS DEVELO 4% 10/01/35 2,000,000 $2,059,040
MASSACHUSETTS DEVELO 5.125% 07/01/26 1,000,000 $1,112,590
MASSACHUSETTS DEVELO 5.25% 10/01/29 1,680,000 $1,780,061
MASSACHUSETTS DEVELO 5.25% 10/01/37 3,320,000 $3,461,830
MASSACHUSETTS DEVELO 5.375% 04/01/41 1,980,000 $2,210,947
MASSACHUSETTS DEVELO 5.5% 01/01/35 500,000 $504,450
MASSACHUSETTS DEVELO 5.625% 10/01/24 1,100,000 $1,135,200
MASSACHUSETTS DEVELO 5.7% 10/01/34 1,000,000 $1,026,220
MASSACHUSETTS DEVELO 5.75% 01/01/42 6,185,000 $8,024,233
MASSACHUSETTS DEVELO 5% 06/01/25 1,585,000 $1,861,297
MASSACHUSETTS DEVELO 5% 09/01/50 1,250,000 $1,367,863
MASSACHUSETTS DEVELO 5% 10/01/21 1,000,000 $1,220,690
MASSACHUSETTS DEVELO 5% 10/01/22 1,000,000 $1,202,600
MASSACHUSETTS DEVELO 5% 10/01/30 1,000,000 $1,104,130
MASSACHUSETTS DEVELO 5% 10/01/31 500,000 $553,225
MASSACHUSETTS DEVELO 6.25% 10/15/17 2,635,000 $2,871,201
MASSACHUSETTS DEVELO 6.75% 01/01/36 1,000,000 $1,205,490
MASSACHUSETTS DEVELO 7.0000% 07/01/42 1,000,000 $1,176,270
MASSACHUSETTS HEALTH 4.125% 10/01/37 2,000,000 $2,085,540
MASSACHUSETTS HEALTH 4.625% 08/15/28 4,500,000 $4,463,100
MASSACHUSETTS HEALTH 5.25% 07/01/38 3,750,000 $3,986,513
MASSACHUSETTS HEALTH 5.25% 07/15/18 1,550,000 $1,552,713
MASSACHUSETTS HEALTH 5.375% 07/01/35 2,335,000 $2,506,482
MASSACHUSETTS HEALTH 5.5% 07/01/32 12,000,000 $16,665,600
MASSACHUSETTS PORT A 5% 07/01/32 1,000,000 $1,153,590
MASSACHUSETTS PORT A 5% 07/01/33 1,000,000 $1,147,520
MASSACHUSETTS SCHOOL 5% 08/15/29 7,000,000 $8,268,890
MASSACHUSETTS STATE 5% 05/01/28 3,975,000 $4,617,122
MCGEE CREEK AUTHORIT 6% 01/01/23 5,590,000 $6,449,239
MERIDIAN ECONOMIC DE 5.25% 07/01/26 1,405,000 $1,405,464
METROPOLITAN GOVERNM 4% 07/01/24 4,000,000 $4,515,960
METROPOLITAN PIER & 0% 06/15/39 20,000,000 $5,565,000
METROPOLITAN PIER & 7.0000% 07/01/26 5,000,000 $7,158,750
MICHIGAN PUBLIC EDUC 5.875% 06/01/37 3,285,000 $3,302,148
MICHIGAN STATE HOSPI 5.25% 11/15/25 2,000,000 $2,022,740
MICHIGAN STATE HOSPI 5.25% 11/15/26 5,000,000 $5,032,650
MICHIGAN STATE HOSPI 5.5% 11/15/35 1,000,000 $1,006,710
MISSOURI STATE ENVIR 5.125% 01/01/20 80,000 $80,320
MOHEGAN TRIBE OF IND 6.25% 01/01/31 2,470,000 $2,471,803
MONTGOMERY COUNTY IN 5% 12/01/24 1,000,000 $1,045,570
MONTGOMERY COUNTY IN 5% 12/01/30 1,000,000 $1,032,200
MULTNOMAH COUNTY SCH 0% 06/15/30 2,000,000 $1,098,760
MULTNOMAH COUNTY SCH 0% 06/15/31 2,000,000 $1,044,420
MULTNOMAH COUNTY SCH 0% 06/15/32 1,715,000 $852,063
MUNICIPAL ELECTRIC A 5.625% 01/01/26 1,500,000 $1,785,840
NEW HAMPSHIRE HEALTH 4% 10/01/33 1,500,000 $1,523,745
NEW HAMPSHIRE HEALTH 5% 10/01/32 5,000,000 $5,368,500
NEW HAMPSHIRE HEALTH 5% 10/01/37 3,750,000 $3,968,288
NEW JERSEY ECONOMIC 5.3% 11/01/26 475,000 $476,454
NEW JERSEY ECONOMIC 5.375% 11/01/36 450,000 $430,119
NEW JERSEY ECONOMIC 5.75% 01/01/25 610,000 $617,405
NEW JERSEY EDUCATION 5% 07/01/39 3,000,000 $3,507,600
NEW JERSEY HEALTH CA 5.25% 07/01/30 5,115,000 $5,389,369
NEW JERSEY HEALTH CA 7.2499% 07/01/27 3,500,000 $3,501,015
NEW JERSEY TRANSPORT 5.5% 06/15/41 2,000,000 $2,303,340
NEW YORK STATE DORMI 5.25% 07/01/24 5,515,000 $6,425,968
NEW YORK STATE DORMI 5% 07/01/21 2,145,000 $2,554,266
NEW YORK STATE DORMI 5% 10/01/41 6,000,000 $6,899,280
NEW YORK STATE DORMI 7.5% 05/15/13 5,250,000 $5,300,190
NORTHAMPTON COUNTY G 5.5% 08/15/40 3,000,000 $3,239,880
NORTH CAROLINA EASTE 6% 01/01/22 12,000,000 $15,393,600
NORTH TEXAS TOLLWAY 5% 01/01/38 2,000,000 $2,214,960
OREGON HEALTH & SCIE 3.75% 07/01/27 1,000,000 $1,040,800
PARISH OF ST JOHN TH 5.125% 06/01/37 3,000,000 $3,175,740
PENNSYLVANIA HIGHER 0.856% 07/01/39 11,500,000 $8,624,655
PENNSYLVANIA HIGHER 5% 07/01/42 1,000,000 $1,045,150
PENNSYLVANIA HIGHER 6% 07/01/43 1,000,000 $1,133,600
PENNSYLVANIA TURNPIK 5.3% 12/01/41 5,000,000 $5,434,550
PHILADELPHIA HOSPITA 4.5% 07/01/37 2,000,000 $2,097,780
PHILADELPHIA HOSPITA 5% 07/01/34 10,900,000 $11,281,173
PHOENIX CIVIC IMPROV 0% 07/01/25 4,000,000 $4,784,600
PHOENIX CIVIC IMPROV 0% 07/01/26 8,005,000 $9,569,657
PHOENIX CIVIC IMPROV 0% 07/01/43 10,000,000 $11,880,000
PIERCE COUNTY SCHOOL 5% 12/01/23 1,000,000 $1,223,730
PIMA COUNTY INDUSTRI 5% 07/01/20 3,470,000 $3,990,153
PIMA COUNTY INDUSTRI 6.1% 06/01/45 500,000 $518,390
PIMA COUNTY INDUSTRI 6.75% 07/01/31 949,000 $950,860
POMONA UNIFIED SCHOO 6.5500% 08/01/29 2,180,000 $2,855,735
PORT AUTHORITY OF NE 6.125% 06/01/94 1,500,000 $1,825,755
PORT AUTHORITY OF NE 6% 12/01/36 1,000,000 $1,168,400
PORT AUTHORITY OF NE 6% 12/01/42 3,400,000 $3,972,560
PRINCE WILLIAM COUNT 5.2% 10/01/26 1,500,000 $1,567,020
PRINCE WILLIAM COUNT 5.35% 10/01/36 3,925,000 $4,103,352
PUBLIC AUTHORITY FOR 6.5% 11/15/38 12,500,000 $17,159,250
PUERTO RICO PUBLIC B 5.25% 07/01/33 925,000 $868,936
PUERTO RICO PUBLIC B 5.25% 07/01/33 75,000 $79,688
PUERTO RICO SALES TA 5.25% 08/01/57 5,000,000 $5,133,600
REDDING REDEVELOPMEN 4.5% 09/01/26 1,000,000 $1,004,040
REGIONAL TRANSPORTAT 6.5% 01/15/30 2,000,000 $2,387,580
REGIONAL TRANSPORTAT 6% 01/15/26 2,500,000 $2,961,125
REGIONAL TRANSPORTAT 6% 01/15/34 1,250,000 $1,425,450
REGIONAL TRANSPORTAT 6% 01/15/41 1,000,000 $1,149,990
RIALTO REDEVELOPMENT 6.25% 09/01/37 3,000,000 $3,225,690
RICHARDSON HOSPITAL 6% 12/01/34 3,000,000 $3,056,910
SAN JOSE EVERGREEN C 5% 08/01/41 1,500,000 $1,699,635
SAN JUAN UNIFIED SCH 5% 08/01/25 2,085,000 $2,500,832
SANTA CRUZ COUNTY RE 6.625% 09/01/29 1,500,000 $1,778,955
SANTA MARIA JOINT UN 0% 08/01/27 1,405,000 $748,444
SAUGUS UNION SCHOOL 0% 08/01/23 3,500,000 $2,404,815
SEGUIN HIGHER EDUCAT 5% 09/01/23 1,000,000 $1,023,170
SOUTH CAROLINA STATE 5% 12/01/43 8,265,000 $9,087,285
SOUTH CAROLINA TRANS 3.6249% 10/01/33 2,500,000 $2,464,375
SOUTH DAKOTA CONSERV 5.625% 08/01/17 65,000 $65,291
SOUTH DAKOTA HEALTH 5% 07/01/42 1,000,000 $1,079,170
SOUTH DAVIS RECREATI 4% 01/01/24 1,115,000 $1,257,965
SPORTS & EXHIBITION 5% 02/01/30 1,000,000 $1,098,370
STATE OF SOUTH CAROL 5% 04/01/20 500,000 $622,405
STATE OF TEXAS 5% 08/01/27 5,000,000 $5,949,850
ST JOHNS COUNTY INDU 6% 08/01/45 3,400,000 $3,792,088
SYLACAUGA HEALTH CAR 6% 08/01/35 1,500,000 $1,518,105
TAMPA-HILLSBOROUGH C 4% 07/01/34 13,780,000 $15,027,366
TEXAS MUNICIPAL GAS 5% 12/15/31 4,000,000 $4,239,800
TEXAS PRIVATE ACTIVI 7.0000% 06/30/40 10,410,000 $12,559,353
TEXAS STATE PUBLIC F 6.2% 02/15/40 2,255,000 $2,660,269
TOBACCO SECURITIZATI 5.125% 06/01/46 1,125,000 $989,753
TOBACCO SECURITIZATI 5% 06/01/37 3,750,000 $3,380,288
TOBACCO SETTLEMENT A 6.625% 06/01/32 10,500,000 $10,722,495
TOBACCO SETTLEMENT F 5.875% 05/15/39 3,000,000 $3,037,500
TOBACCO SETTLEMENT F 5% 06/01/47 13,990,000 $11,772,165
TOBACCO SETTLEMENT F 6.25% 06/01/42 5,200,000 $5,356,000
TOWN OF CHATHAM MA 3.5000% 06/15/37 2,000,000 $1,996,680
TOWN OF WILMINGTON M 4% 03/15/37 4,500,000 $4,661,280
UNIVERSITY OF MASSAC 5% 11/01/39 2,500,000 $2,838,125
UNIVERSITY OF VIRGIN 5% 06/01/37 4,000,000 $4,704,560
UNIVERSITY OF WASHIN 5% 06/01/37 5,600,000 $6,281,240
UTAH STATE CHARTER S 5.75% 07/15/20 500,000 $538,475
VERMONT EDUCATIONAL 5% 07/01/24 1,295,000 $1,268,712
WASHINGTON COUNTY IN 7.75% 07/01/38 7,500,000 $9,210,225
WASHINGTON HEALTH CA 4.25% 10/01/37 1,000,000 $1,029,180
WASHINGTON HEALTH CA 5.25% 10/01/33 5,000,000 $5,463,600
WASHINGTON HEALTH CA 6.125% 08/15/37 2,400,000 $2,621,088
WASHINGTON HEALTH CA 6.5% 11/15/33 4,000,000 $4,398,920
WASHINGTON STATE HOU 5.25% 01/01/17 2,045,000 $2,086,718
WISCONSIN HEALTH & E 5.125% 08/15/35 3,000,000 $3,261,660

The portfolio is actively managed, and current holdings may be different.

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