OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2013 Estimated average burden hours per response..... 5.6 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-21043 Pioneer High Income Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Terrence J. Cullen, Pioneer Investment Management, Inc., 60 State Street, Boston, MA 02109 (Name and address of agent for service) Registrant's telephone number, including area code: (617) 742-7825 Date of fiscal year end: March 31 Date of reporting period: June 30, 2010 Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after close of the first and third fiscal quarters, pursuant to Rule 30b1-5 under the Investment Company Act of 1940 (17 CFR 270.30b1-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles. A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. ss. 3507. ITEM 1. Schedule of Investments. Pioneer High Income Trust SCHEDULE OF INVESTMENTS 6/30/10 (unaudited) Principal Amount USD ($) Value ($) ASSET BACKED SECURITIES - 2.5% of Net Assets Transportation - 0.1% Airlines - 0.1% 248,016 Continental Airlines, Inc., Series B, 8.499 246,775 Total Transportation 246,775 Banks - 1.0% Thrifts & Mortgage Finance - 1.0% 547,736 (a) ACE Securities Corp., 0.797%, 4/25/35 528,197 531,442 (a) ACE Securities Corp., 1.247%, 12/25/34 388,903 385,936 (a) Amortizing Residential Collateral Trust, 1. 197,586 1,045,364 (a) Aviation Capital Group Trust, 1.33%, 11/15/ 574,950 280,000 (a) Bear Stearns Asset Backed Securities Trust, 110,203 205,228 (a) FBR Securitization Trust, 0.697%, 10/25/35 125,806 965,000 (a) Home Equity Asset Trust, 0.457%, 3/25/37 763,589 570,436 (a) Morgan Stanley Capital, Inc., 0.457%, 2/25/ 522,288 408,268 (a) Residential Asset Securities Corp., 0.577%, 358,592 Total Banks 3,570,114 Diversified Financials - 0.4% Other Diversified Financial Services - 0.2% 1,953,668 (a) Aircraft Finance Trust, 0.83%, 5/15/24 (144 820,541 194,908 (a) Aircraft Finance Trust, 0.85%, 5/15/24 (144 140,334 960,875 Specialized Finance - 0.2% 850,000 Dominos Pizza Master Issuer LLC, 5.261%, 4/ 785,366 Total Diversified Financials 1,746,241 Utilities - 1.0% Multi-Utilities - 1.0% 3,738,605 Ormat Funding Corp., 8.25%, 12/30/20 3,551,675 Total Utilities 3,551,675 TOTAL ASSET BACKED SECURITIES (Cost $8,799,059) 9,114,805 COLLATERALIZED MORTAGE BACKED SECURITIES - 1.5% of Net Assets Consumer Services - 0.4% Restaurants - 0.4% 300,000 DB Master Finance LLC, 5.779%, 6/20/31 (144 292,302 1,245,000 DB Master Finance LLC, 8.285%, 6/20/31 (144 1,139,797 Total Consumer Services 1,432,099 Banks - 1.1% Thrifts & Mortgage Finance - 1.1% 835,000 (a) Carrington Mortgage Loan Trust, 0.447%, 10/ 644,805 522,709 (a) Carrington Mortgage Loan Trust, 0.467%, 2/2 476,855 1,504,000 (a) Carrington Mortgage Loan Trust, 0.547%, 2/2 786,774 385,991 (a) Countrywide Alternative Loan Trust, 0.677%, 210,357 450,250 (a) Countrywide Alternative Loan Trust, 0.697%, 255,734 279,965 (a) Countrywide Home Loan Mortgage Pass Through 89,216 427,414 (a) JPMorgan Mortgage Trust, 4.93%, 11/25/35 406,847 1,392,723 (a) Luminent Mortgage Trust, 0.607%, 7/25/36 119,173 377,711 (a) Structured Asset Mortgage Investments, Inc. 219,233 861,074 (a) WaMu Mortgage Pass Through Certificates, 0. 665,530 Total Banks 3,874,524 TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS (Cost $6,673,825) 5,306,623 CORPORATE BONDS & NOTES - 113.7% of Net Assets Energy - 14.2% Coal & Consumable Fuels - 1.0% 1,350,000 (o) Bumi Capital Pte, Ltd., 12.0%, 11/10/16 (14 1,370,250 2,329,000 Drummond Co., Inc., 9.0%, 10/15/14 (144A) 2,340,645 3,710,895 Oil & Gas Drilling - 1.4% 2,982,936 DDI Holding AS, 9.3%, 1/19/12 (144A) 2,774,130 500,000 (o) Hercules Offshore, Inc., 10.5%, 10/15/17 (1 443,750 1,900,000 Pioneer Drilling Co., 9.875%, 3/15/18 (144A 1,862,000 5,079,880 Oil & Gas Equipment & Services - 2.4% 3,000,000 Aquilex Holdings LLC/Aquilex Finance Corp., 3,000,000 600,000 (a)(b) DP Producer AS, 0.0%, 12/5/11 (144A) 6,000 1,515,000 Expro Finance Luxembourg SCA, 8.5%, 12/15/1 1,446,825 238,581 (b) Nexus 1 Pte, Ltd., 10.5%, 3/7/12 (144A) 2,386 NOK 4,600,000 (b)(c) Petrojack AS, 11.0%, 4/19/10 77,808 385,386 (a)(b) PetroProd, Ltd., 0.0%, 1/12/12 (144A) 385 400,000 (a) Sevan Marine ASA, 3.619%, 5/14/13 (144A) 320,000 2,500,000 Sevan Marine ASA, 9.25%, 12/20/11 (144A) 2,425,000 1,806,000 Skeie Drilling & Production ASA, 11.25%, 3/ 1,191,960 8,470,364 Oil & Gas Exploration & Production - 6.4% 775,000 Berry Petroleum Co., 10.25%, 6/1/14 833,125 390,000 Denbury Resources, Inc., 9.75%, 3/1/16 421,200 1,750,000 Hilcorp Energy I LP, 9.0%, 6/1/16 (144A) 1,793,750 1,045,000 Linn Energy LLC, 11.75%, 5/15/17 1,186,075 2,020,000 Mariner Energy, Inc., 11.75%, 6/30/16 2,514,900 2,500,000 Norse Energy Corp. ASA, 6.5%, 7/14/11 (144A 2,375,000 NOK 3,000,000 Norse Energy Corp. ASA, 10.0%, 7/13/10 447,475 NOK 5,000,000 Norwegian Energy Co. AS, 12.9%, 11/20/14 768,858 945,000 PetroHawk Energy Corp., 9.125%, 7/15/13 985,163 5,300,000 PetroQuest Energy, Inc., 10.375%, 5/15/12 5,366,250 3,660,000 Quicksilver Resources, Inc., 7.125%, 4/1/16 3,376,350 1,497,000 Rosetta Resources, Inc, 9.5%, 4/15/18 (144A 1,489,515 1,250,000 (d) SandRidge Energy, Inc., 8.625%, 4/1/15 1,209,375 22,767,036 Oil & Gas Refining & Marketing - 1.1% 1,000,000 Coffeyville Resources LLC, 10.875%, 4/1/17 975,000 175,000 (o) Petroplus Finance, Ltd., 7.0%, 5/1/17 (144A 142,625 2,215,000 Tesoro Corp., 9.75%, 6/1/19 2,298,063 3,415,688 Oil & Gas Storage & Transportation - 1.9% 4,500,000 American Petroleum Tankers LLC/AP Tankers C 4,511,250 350,000 (a) Enterprise Products Operating LLC, 8.375%, 349,562 2,394,000 (a) Southern Union Co., 7.2%, 11/1/66 2,121,683 6,982,495 Total Energy 50,426,358 Materials - 17.3% Aluminum - 0.2% 1,200,000 (b) Asia Aluminum Holdings, Ltd., 8.0%, 12/23/1 180,000 773,279 (a)(d) Noranda Aluminum Acquisition Corp., 5.373%, 591,558 771,558 Commodity Chemicals - 2.2% 3,250,000 Basell Finance Co., 8.1%, 3/15/27 (144A) 2,827,500 480,000 Invista, 9.25%, 5/1/12 (144A) 487,200 4,500,000 Methanex Corp., 8.75%, 8/15/12 4,657,500 7,972,200 Diversified Chemicals - 0.7% EURO 350,000 Ineos Group Holdings Plc, 7.875%, 2/15/16 ( 311,891 2,625,000 (o) Ineos Group Holdings Plc, 8.5%, 2/15/16 (14 2,047,500 2,359,391 Diversified Metals & Mining - 2.5% 1,288,533 (d) Blaze Recycling & Metals LLC, 13.0%, 7/16/1 1,053,376 2,890,000 FMG Finance Pty., Ltd., 10.625%, 9/1/16 (14 3,179,000 4,070,000 Teck Resources, Ltd., 10.25%, 5/15/16 4,802,600 9,034,976 Materials - 1.4% 5,690,000 AGY Holding Corp., 11.0%, 11/15/14 4,836,500 Metal & Glass Containers - 1.1% 2,500,000 AEP Industries, Inc., 7.875%, 3/15/13 2,462,500 1,450,000 (o) BWAY Holding Co., 10.0%, 6/15/18 (144A) 1,511,625 3,974,125 Paper Packaging - 5.2% 2,000,000 Berry Plastics Corp., 9.5%, 5/15/18 (144A) 1,830,000 2,225,838 (e) Corporacion Durango SAB de CV, 6.0%, 8/27/1 1,691,637 4,607,000 Exopack Holding Corp., 11.25%, 2/1/14 4,664,587 2,795,000 Graham Packaging Co., 9.875%, 10/15/14 2,857,887 5,540,000 (o) Graphic Packaging International, Inc., 9.5% 5,636,950 2,250,000 U.S. Corrugated, Inc., 10.0%, 6/1/13 1,912,500 18,593,561 Paper Products - 0.9% 2,000,000 Appleton Papers, Inc., 10.5%, 6/15/15 (144A 1,890,000 645,000 Cellu Tissue Holdings, Inc., 11.5%, 6/1/14 696,600 405,000 Clearwater Paper Corp., 10.625%, 6/15/16 446,006 3,032,606 Specialty Chemicals - 0.8% 3,000,000 (o) Hexion U.S. Finance Corp., 9.75%, 11/15/14 2,835,000 Steel - 2.3% 4,660,000 Algoma Acquisition Corp., 9.875%, 6/15/15 ( 3,961,000 2,400,000 CSN Islands VIII Corp., 9.75%, 12/16/13 (14 2,796,000 1,250,000 Severstal Columbus LLC, 10.25%, 2/15/18 (14 1,281,250 8,038,250 Total Materials 61,448,167 Capital Goods - 8.8% Aerospace & Defense - 2.3% 3,600,000 Aeroflex, Inc., 11.75%, 2/15/15 3,852,000 1,465,000 BE Aerospace, Inc., 8.5%, 7/1/18 1,538,250 620,000 Bombardier, Inc., 8.0%, 11/15/14 (144A) 643,250 570,000 DigitalGlobe, Inc., 10.5%, 5/1/14 612,750 1,079,000 DynCorp International, Inc., 10.375%, 7/1/1 1,081,697 295,000 GeoEye, Inc., 9.625%, 10/1/15 (144A) 300,900 8,028,847 Building Products - 0.3% 1,935,000 (b) Industrias Unidas SA de CV, 11.5%, 11/15/16 1,088,438 Construction & Farm Machinery & Heavy Trucks - 1.2% 570,000 American Railcar Industries, Inc., 7.5%, 3/ 552,900 3,250,000 Commercial Vehicle Group, Inc., 8.0%, 7/1/1 2,746,250 774,000 (o) Manitowoc Co., Inc., 9.5%, 2/15/18 774,000 275,000 Titan International, Inc., 8.0%, 1/15/12 286,000 4,359,150 Electrical Components & Equipment - 0.5% 2,000,000 WireCo WorldGroup, Inc., 9.5%, 5/15/17 (144 1,950,000 Industrial Conglomerates - 1.0% 3,180,000 (b) Indalex Holding Corp., 11.5%, 2/1/14 45,713 3,889,000 Park-Ohio Industries, Inc., 8.375%, 11/15/1 3,597,325 3,643,038 Industrial Machinery - 1.9% 2,440,000 Industrias Metalurgicas Pescarmona SA, 11.2 2,269,200 5,170,000 Mueller Water Products, Inc., 7.375%, 6/1/1 4,536,675 6,805,875 Trading Companies & Distributors - 1.6% 500,000 Avis Budget Car Rental LLC/Avis Budget Fina 505,000 1,790,000 Intcomex, Inc., 13.25%, 12/15/14 (144A) 1,828,038 3,370,000 Wesco Distribution, Inc., 7.5%, 10/15/17 3,235,200 5,568,238 Total Capital Goods 31,443,586 Commercial & Professional Services - 6.9% Commercial Printing - 0.7% 2,560,000 Sheridan Acquisition Corp., 10.25%, 8/15/11 2,531,200 Diversified Support Services - 1.0% 4,450 (f) MSX International UK, 12.5%, 4/1/12 (144A) 3,649,000 Environmental & Facilities Services - 1.8% 2,180,000 (b) Aleris International, Inc., 10.0%, 12/15/16 19,075 315,000 Casella Waste Systems, Inc., 11.0%, 7/15/14 340,200 1,275,000 (a)(b)(Ohio Air Quality Development Authority Reve 133,492 5,800,000 (o) Waste Services, Inc., 9.5%, 4/15/14 5,945,000 6,437,767 Office Services & Supplies - 3.4% 11,830,000 Xerox Capital Trust I, 8.0%, 2/1/27 11,893,681 Total Commercial & Professional Services 24,511,648 Transportation - 2.2% Air Freight & Logistics - 1.3% EURO 272,000 CEVA Group Plc, 10.0%, 12/1/16 (144A) 271,537 3,351,000 CEVA Group Plc, 11.5%, 4/1/18 (144A) 3,464,099 720,000 CEVA Group Plc, 11.625%, 10/1/16 (144A) 743,400 4,479,036 Airlines - 0.9% 965,000 Delta Airlines, Inc., 9.5%, 9/15/14 (144A) 1,013,250 2,090,000 Delta Airlines, Inc., 12.25%, 3/15/15 (144A 2,231,075 3,244,325 Railroads - 0.0% 153,000 (o) Kansas City Southern de Mexico, 9.375%, 5/1 156,825 Total Transportation 7,880,186 Automobiles & Components - 4.3% Auto Parts & Equipment - 3.9% 1,250,000 (o) Allison Transmission, Inc., 11.0%, 11/1/15 1,309,375 2,761,300 (d)(o) Allison Transmission, Inc., 11.25%, 11/1/15 2,892,462 4,760,000 Stanadyne Corp., 10.0%, 8/15/14 4,331,600 1,500,000 (e) Stanadyne Corp., 12.0%, 2/15/15 1,110,000 4,235,000 (o) Tenneco Automotive, Inc., 8.625%, 11/15/14 4,272,056 13,915,493 Tires & Rubber - 0.4% 1,165,000 Goodyear Tire & Rubber Co., 10.5%, 5/15/16 1,266,938 Total Automobiles & Components 15,182,431 Consumer Durables & Apparel - 2.7% Homebuilding - 0.8% 3,060,000 Meritage Homes Corp., 6.25%, 3/15/15 2,891,700 Housewares & Specialities - 1.9% 1,435,000 Jarden Corp., 7.5%, 5/1/17 1,406,300 3,690,000 (o) Yankee Acquisition Corp., 8.5%, 2/15/15 3,731,513 1,500,000 (o) Yankee Acquisition Corp., 9.75%, 2/15/17 1,526,250 6,664,063 Total Consumer Durables & Apparel 9,555,763 Consumer Services - 2.2% Casinos & Gaming - 1.7% 1,650,000 (b) Buffalo Thunder Development Authority, 9.37 297,000 975,000 FireKeepers Development Authority, 13.875%, 1,126,125 4,500,000 (b) Little Traverse Bay Bands of Odawa Indians, 1,530,000 1,375,000 (b) Mashantucket Western Pequot Tribe, 8.5%, 11 209,688 401,000 Pinnacle Entertainment, Inc, 8.75%, 5/15/20 371,426 1,585,000 Pokagon Gaming Authority, 10.375%, 6/15/14 1,640,475 275,000 Scientific Games International, Inc., 9.25% 281,188 740,000 Shingle Springs Tribal Gaming Authority, 9. 586,450 6,042,352 Specialized Consumer Services - 0.5% 1,750,000 StoneMor Operating LLC/Cornerstone Family S 1,776,250 Total Consumer Services 7,818,602 Media - 9.5% Advertising - 2.4% 2,690,000 MDC Partners, Inc., 11.0%, 11/1/16 (144A) 2,864,850 2,600,000 Sitel LLC/Sitel Finance Corp., 11.5%, 4/1/1 2,405,000 3,195,000 (e) Visant Holding Corp., 10.25%, 12/1/13 3,262,894 8,532,744 Broadcasting - 5.4% 1,096,054 CCH II LLC/CCH II Capital Corp., 13.5%, 11/ 1,276,903 970,000 Hughes Network Systems LLC, 9.5%, 4/15/14 982,125 4,320,000 Hughes Network Systems LLC, 9.5%, 4/15/14 4,374,000 3,320,312 (d) Intelsat Bermuda, Ltd., 11.5%, 2/4/17 3,312,011 2,500,000 Intelsat Corp., 9.25%, 6/15/16 2,625,000 1,000,000 Intelsat Subsidiary Holding Co., Ltd., 8.5% 1,007,500 535,000 Telesat Canada, 11.0%, 11/1/15 577,800 800,000 Telesat Canada, 12.5%, 11/1/17 896,000 5,112,294 (d)(o) Univision Communications, Inc., 9.75%, 3/15 4,268,765 19,320,104 Cable & Satelite - 1.3% EURO 3,750,000 Kabel Deutschland GMBH, 10.75%, 7/1/14 4,765,645 Publishing - 0.4% 1,400,000 TL Acquisitions, Inc., 10.5%, 1/15/15 (144A 1,302,000 Total Media 33,920,493 Retailing - 3.1% Automotive Retailing - 0.3% 939,000 Sonic Automotive, Inc., 8.625%, 8/15/13 953,085 Distributors - 0.1% 475,000 Minerva Overseas II, Ltd., 10.875%, 11/15/1 472,625 Internet Retailing - 1.3% 4,340,000 Ticketmaster Entertainment, Inc., 10.75%, 8 4,676,350 Specialty Stores - 1.4% 4,615,000 (o) Sally Holdings LLC, 10.5%, 11/15/16 4,938,050 Total Retailing 11,040,110 Food, Beverage & Tobacco - 5.8% Agricultural Products - 1.5% 5,622,000 Southern States Cooperative, Inc., 11.25%, 5,397,120 Brewers - 1.9% 5,885,000 (o) Cia Brasileira de Bebida, 10.5%, 12/15/11 6,635,337 Packaged Foods & Meats - 1.4% 775,000 Bertin, Ltd., 10.25%, 10/5/16 (144A) 821,500 1,500,000 FAGE Dairy Industry SA/FAGE USA Dairy Indus 1,297,902 500,000 Marfrig Overseas, Ltd., 9.625%, 11/16/16 (1 497,500 2,410,000 Minerva Overseas, Ltd., 9.5%, 2/1/17 (144A) 2,337,700 4,954,602 Tobacco - 1.0% 3,450,000 Alliance One International, Inc., 10.0%, 7/ 3,510,375 Total Food, Beverage & Tobacco 20,497,434 Household & Personal Products - 0.3% Personal Products - 0.3% 1,050,000 Revlon Consumer Products Corp., 9.75%, 11/1 1,076,250 Total Household & Personal Products 1,076,250 Health Care Equipment & Services - 6.3% Health Care Equipment & Services - 0.8% 2,875,000 Accellent, Inc., 10.5%, 12/1/13 2,831,875 Health Care Facilities - 1.2% 535,000 HCA, Inc., 6.25%, 2/15/13 525,638 3,308,147 (d) HCA, Inc., 9.625%, 11/15/16 3,539,717 110,000 HCA, Inc., 9.875%, 2/15/17 118,250 4,183,605 Health Care Services - 1.4% 1,287,000 BioScrip, Inc., 10.25%, 10/1/15 (144A) 1,274,130 3,725,000 Surgical Care Affiliates, Inc., 10.0%, 7/15 3,678,438 4,952,568 Health Care Supplies - 1.7% 1,000,000 Bausch & Lomb, Inc., 9.875%, 11/1/15 1,027,500 4,085,000 (d) Biomet, Inc., 10.375%, 10/15/17 4,370,950 615,000 Inverness Medical Innovations, Inc., 9.0%, 616,538 6,014,988 Managed Health Care - 1.2% 4,400,000 Multiplan, Inc., 10.375%, 4/15/16 (144A) 4,510,000 Total Health Care Equipment & Services 22,493,036 Pharmaceuticals & Biotechnology & Life Sciences - 2.3% Biotechnology - 0.5% 1,729,000 Lantheus Medical Imaging, Inc., 9.75%, 5/15 1,711,710 Life Sciences Tools & Services - 0.6% 961,893 (d) Catalent Pharma Solutions, Inc., 9.5%, 4/15 916,203 1,344,000 PharmaNet Development Group, Inc., 10.875%, 1,310,400 2,226,603 Pharmaceuticals - 1.2% 1,050,000 Phibro Animal Health Corp., 10.0%, 8/1/13 ( 1,102,500 3,070,000 Phibro Animal Health Corp., 13.0%, 8/1/14 ( 3,269,550 4,372,050 Total Pharmaceuticals & Biotechnology & Lif 8,310,363 Banks - 1.4% Diversified Banks - 0.3% 1,265,000 (a)(h) ABN Amro Holding Capital Trust, 6.523% (144 999,350 400,000 (a) Banco Macro SA, 10.75%, 6/7/12 272,000 1,271,350 Regional Banks - 1.1% 1,225,000 (a)(h) PNC Financial Services Group, Inc., 8.25% 1,257,492 1,790,000 (a)(h) State Street Capital Trust III, 8.25% 1,792,506 750,000 (a)(h) Wells Fargo Capital XV, 9.75% 802,500 3,852,498 Total Banks 5,123,848 Diversified Financials - 3.7% Asset Management & Custody Banks - 0.4% 575,000 (a) Janus Capital Group, Inc., 6.5%, 6/15/12 593,437 975,000 (a) Janus Capital Group, Inc., 6.95%, 6/15/17 978,771 1,572,208 Investment Banking & Brokerage - 0.5% 2,325,000 (a)(h) Goldman Sachs Capital II, 5.793% 1,755,375 Specialized Finance - 2.7% 500,000 Capital One Capital V, 10.25%, 8/15/39 527,500 695,000 National Money Mart Co., 10.375%, 12/15/16 705,425 9,000,000 NCO Group, Inc., 11.875%, 11/15/14 8,550,000 9,782,925 Total Diversified Financials 13,110,508 Insurance - 6.8% Insurance Brokers - 3.1% 3,305,000 Alliant Holdings I, Inc., 11.0%, 5/1/15 (14 3,329,787 100,000 HUB International Holdings, Inc., 9.0%, 12/ 94,750 4,455,000 HUB International Holdings, Inc., 10.25%, 6 4,087,463 2,286,000 (a) U.S.I. Holdings Corp., 4.311%, 11/15/14 (14 1,868,805 1,610,000 U.S.I. Holdings Corp., 9.75%, 5/15/15 (144A 1,477,175 10,857,980 Multi-Line Insurance - 1.3% 3,075,000 (a) Liberty Mutual Group, Inc., 10.75%, 6/15/58 3,321,000 1,100,000 MetLife, Inc., 10.75%, 8/1/39 1,307,383 4,628,383 Property & Casualty Insurance - 1.5% 5,300,000 Allmerica Financial Corp., 7.625%, 10/15/25 5,454,665 Reinsurance - 0.9% EURO 275,000 (a) Atlas Reinsurance Plc, 10.885%, 1/10/11 (14 339,375 375,000 (a) Blue Fin, Ltd., 4.695% 4/10/12 (144A) 350,512 250,000 (a) Ibis Re, Ltd., 10.787%, 5/10/12 (144A) 258,425 300,000 (a) Montana Re, Ltd., 13.788%, 12/7/12 (144A) 283,230 250,000 (a) Mystic Re II, Ltd., 10.538%, 6/7/11 (144A) 242,175 650,000 (a) Residential Reinsurance 2008, Ltd., 7.288%, 630,565 850,000 (a) Residential Reinsurance 2008, Ltd., 12.038% 825,350 250,000 Successor X, Ltd., 0.0%, 12/9/10 (144A) 232,625 3,162,257 Total Insurance 24,103,285 Real Estate - 1.3% Real Estate Operating Companies - 1.3% 147,349 (a) Alto Palermo SA, 11.0%, 6/11/12 (144A) 66,307 5,000,000 Forest City Enterprises, Inc., 7.625%, 6/1/ 4,612,500 Total Real Estate 4,678,807 Software & Services - 4.0% Application Software - 0.5% 1,870,000 Vangent, Inc., 9.625%, 2/15/15 1,788,188 Data Processing & Outsourced Services - 1.1% 4,965,000 First Data Corp., 9.875%, 9/24/15 3,773,400 Internet Software & Services - 0.9% 2,892,000 Terremark Worldwide, Inc., 12.0%, 6/15/17 3,253,500 IT Consulting & Other Services - 0.8% 2,845,000 Activant Solutions, Inc., 9.5%, 5/1/16 2,702,750 Systems Software - 0.7% 3,545,335 (d)(g) Pegasus Solutions, Inc., 13.0%, 4/15/14 (14 2,659,001 Total Software & Services 14,176,839 Technology Hardware & Equipment - 0.6% Computer Storage & Peripherals - 0.2% 600,000 Seagate Technology International, 10.0%, 5/ 684,000 Electronic Equipment & Instruments - 0.4% 1,550,000 Da-Lite Screen Co, Inc., 12.5%, 4/1/15 (144 1,548,062 Total Technology Hardware & Equipment 2,232,062 Telecommunication Services - 8.0% Alternative Carriers - 0.6% 2,210,000 Global Crossings, Ltd., 12.0%, 9/15/15 (144 2,342,600 Integrated Telecommunication Services - 3.5% 4,295,000 Broadview Networks Holdings, Inc., 11.375%, 4,166,150 539,000 Cincinnati Bell, Inc., 8.75%, 3/15/18 493,185 3,000,000 GCI, Inc., 7.25%, 2/15/14 2,996,250 1,000,000 (o) PAETEC Holding Corp., 8.875%, 6/30/17 1,000,000 3,865,000 (o) PAETEC Holding Corp., 9.5%, 7/15/15 3,758,713 12,414,298 Wireless Telecommunication Services - 3.9% 1,100,000 Bakrie Telecom Tbk PT, 11.5%, 5/7/15 (144A) 1,078,000 6,400,000 (o) Cricket Communications, Inc., 9.375%, 11/1/ 6,496,000 2,500,000 Intelsat Jackson Holdings, Ltd., 11.5%, 6/1 2,650,000 540,000 MetroPCS Wireless, Inc., 9.25%, 11/1/14 556,200 3,020,000 True Move Co., Ltd., 10.75%, 12/16/13 (144A 2,967,150 13,747,350 Total Telecommunication Services 28,504,248 Utilities - 2.1% Electric Utilities - 0.8% 885,000 (o) Energy Future Holdings Corp., 10.0%, 1/15/2 880,575 3,095,000 (o) Texas Competitive Electric Holdings Co. LLC 2,042,700 2,923,275 Independent Power Producers & Energy Traders - 1.0% 1,800,000 Intergen NV, 9.0%, 6/30/17 (144A) 1,791,000 1,500,000 Star Energy Geothermal (Wayang Windu), Ltd. 1,557,055 3,348,055 Multi - Utilities - 0.3% 1,000,000 PNM Resources, Inc., 9.25%, 5/15/15 1,063,750 Total Utilities 7,335,080 TOTAL CORPORATE BONDS & NOTES (Cost $397,054,983) 404,869,104 CONVERTIBLE BONDS & NOTES - 7.6% of Net Assets Energy - 2.0% Coal & Consumable Fuels - 0.5% 1,905,000 Massey Energy Co., 3.25%, 8/1/15 1,583,531 Oil & Gas Drilling - 1.2% 2,265,000 (e)(o) Hercules Offshore, Inc., 3.375%, 6/1/38 1,528,875 1,600,000 Transocean, Ltd., 1.5%, 12/15/37 1,420,000 1,175,000 (o) Transocean, Ltd., 1.625%, 12/15/37 1,138,281 4,087,156 Oil & Gas Exploration & Production - 0.3% 225,000 Carrizo Oil & Gas, Inc., 4.375%, 6/1/28 193,500 1,340,000 Chesapeake Energy Corp., 2.5%, 5/15/37 1,043,525 1,237,025 Total Energy 6,907,712 Materials - 0.8% Diversified Chemicals - 0.8% 4,000 (f) Hercules, Inc., 6.5%, 6/30/29 2,800,000 Total Materials 2,800,000 Capital Goods - 0.4% Electrical Components & Equipment - 0.4% 500,000 JA Solar Holdings Co., Ltd., 4.5%, 5/15/13 430,000 1,340,000 Suntech Power Holdings Co., Ltd., 3.0%, 3/1 1,006,675 Total Capital Goods 1,436,675 Transportation - 0.8% Marine - 0.8% 3,330,000 Horizon Lines, Inc., 4.25%, 8/15/12 2,747,250 Total Transportation 2,747,250 Media - 0.4% Movies & Entertainment - 0.4% 1,832,000 Live Nation, Inc., 2.875%, 7/15/27 1,522,850 Total Media 1,522,850 Health Care Equipment & Services - 1.7% Health Care Equipment & Services - 0.7% 2,837,000 (e) Hologic, Inc., 2.0%, 12/15/37 2,414,996 Health Care Facilities - 0.7% 1,985,000 LifePoint Hospitals, Inc., 3.25%, 8/15/25 1,858,456 780,000 LifePoint Hospitals, Inc., 3.5%, 5/15/14 720,525 2,578,981 Health Care Services - 0.3% 1,210,000 Omnicare, Inc., 3.25%, 12/15/35 1,001,275 Total Health Care Equipment & Services 5,995,252 Technology Hardware & Equipment - 0.6% Communications Equipment - 0.2% 1,080,000 (b) Nortel Networks Corp., 2.125%, 4/15/14 839,700 Electronic Equipment & Instruments - 0.4% 1,514,000 L-1 Identity Solutions, Inc., 3.75%, 5/15/2 1,417,483 Total Technology Hardware & Equipment 2,257,183 Telecommunication Services - 0.9% Alternative Carriers - 0.9% 3,025,000 Time Warner Telecom, Inc., 2.375%, 4/1/26 3,274,563 Total Telecommunication Services 3,274,563 TOTAL CONVERTIBLE BONDS & NOTES 26,941,485 (Cost $21,765,505) MUNICIPAL BONDS - 5.9% of Net Assets Indiana - 1.7% 1,650,000 East Chicago Industrial Pollution Control R 1,589,495 4,250,000 Indiana Development Finance Authority Reven 4,330,665 5,920,160 Michigan - 0.0% 3,000,000 (g)(i) Wayne Charter Escrow 0.0%, 12/1/15 0 New Jersey - 1.2% 4,525,000 New Jersey Economic Development Authority R 4,479,976 New York - 1.0% 3,475,000 New York City Industrial Development Agency 3,469,857 North Carolina - 2.0% 6,300,000 Charlotte Special Facilities Refunding Reve 5,119,317 2,000,000 Charlotte Special Facilities Refunding Reve 2,001,240 7,120,557 TOTAL MUNICIPAL BONDS (Cost $16,759,297) 20,990,550 MUNICIPAL COLLATERALIZED DEBT OBLIGATION - 0.7% of Net Assets 3,300,000 (a)(j) Non-Profit Preferred Funding Trust I, 12.0% 2,446,587 TOTAL MUNICIPAL COLLATERALIZED DEBT OBLIGATION (Cost $3,293,400) 2,446,587 SOVEREIGN DEBT OBLIGATIONS - 1.0% of Net Assets Argentina - 0.3% 1,200,000 City of Buenos Aires, 12.5%, 4/6/15 (144A) 1,215,000 Russia - 0.7% 2,134,400 (e) Russia Government International Bond, 7.5%, 2,406,109 TOTAL SOVEREIGN DEBT OBLIGATIONS (Cost $2,684,060) 3,621,109 FLOATING RATE LOAN INTERESTS - 3.1% of Net Assets (k) Energy - 0.1% Oil & Gas Exploration & Production - 0.1% 452,132 Venoco, Inc., Second Lien Term Loan, 4.375% 403,980 Total Energy 403,980 Materials - 0.6% Diversified Chemicals - 0.2% 418,000 Ineos US Finance LLC, Facility Term Loan B- 401,280 418,000 Ineos US Finance LLC, Facility Term Loan C- 401,802 803,082 Steel - 0.4% 1,565,721 Niagara Corp., Term Loan, 10.5%, 6/29/14 1,463,950 Total Materials 2,267,032 Commercial & Professional Services - 0.0% Diversified Support Services - 0.0% 119,378 Rental Service Corp., Second Lien Initial T 109,380 Total Commercial & Professional Services 109,380 Automobiles & Components - 0.1% Auto Parts & Equipment - 0.1% 355,500 HHI Group Holdings LLC, Term Loan, 10.5%, 3 357,722 Total Automobiles & Components 357,722 Consumer Services - 0.1% Casinos & Gaming - 0.1% 2,330,000 (b) Gateway Casinos & Entertainment, Inc., Adva 422,313 Total Consumer Services 422,313 Media - 0.9% Publishing - 0.9% 3,000,000 Interactive Data Corp, Intial Term Loan, 8. 3,000,000 Total Media 3,000,000 Heathcare Equipment & Services - 0.3% Healthcare Services - 0.3% 1,152,113 Prime HealthCare Services, Inc., Term B Loa 1,117,549 Total Healthcare Equipment & Services 1,117,549 Insurance - 0.7% Multi-Line Insurance - 0.7% 373,797 AmWins Group, Inc., Initial Term Loan 3.04 346,229 2,250,000 AmWins Group, Inc., Second Lien Initial Ter 1,901,250 Total Insurance 2,247,479 Utilities - 0.3% Electric Utilities - 0.3% 188,575 Texas Competitive Electric Holdings Co., LL 138,636 1,187,786 Texas Competitive Electric Holdings Co., LL 881,189 Total Utilities 1,019,825 TOTAL FLOATING RATE LOAN INTERESTS (Cost $13,319,298) 10,945,280 COMMON STOCKS - 3.0% of Net Assets Energy - 0.1% Oil & Gas Equipment & Services - 0.1% 2,272,024 (i) Skeie Drilling & Production ASA 209,624 Total Energy 209,624 Materials - 1.1% Commodity Chemicals - 0.3% 94,257 (i) Georgia Gulf Corp. 1,257,388 Diversified Chemicals - 0.6% 78,679 (i) Lyondell Basell Indudtries Class A 1,270,666 67,842 (i) Lyondell Basell Indudtries Class B 1,095,648 2,366,314 Diversified Metals & Mining - 0.1% 3,995 Freeport-McMoRan Copper & Gold, Inc., 6.75% 236,234 Steel - 0.1% 26,215 (g)(i) Niagara Corp. 203,428 Total Materials 4,063,364 Capital Goods - 0.1% Building Products - 0.1% 894 (g)(j)(Panolam Holdings Co. 438,060 Total Capital Goods 438,060 Transportation - 0.3% Airlines - 0.3% 96,819 (i)(o) Delta Airlines, Inc. 1,137,623 Total Transportation 1,137,623 Automobiles & Components - 0.9% Auto Parts & Equipment - 0.9% 49,888 (i) Lear Corp. 3,302,586 Total Automobiles & Components 3,302,586 Media - 0.2% Cable & Satellite - 0.2% 17,042 (i)(o) Charter Communications, Inc. 601,583 Total Media 601,583 Pharmaceuticals & Biotechnology & Life Sciences - 0.3% Pharmaceuticals - 0.3% 17,818 Teva Pharmaceutical Industries, Ltd. (A.D.R 926,358 Total Pharmaceuticals & Biotechnology & Lif 926,358 Software & Services - 0.0% Systems Software - 0.0% 10,942 (g)(i) Perseus Holding Corp. 0 Total Software & Services 0 TOTAL COMMON STOCKS (Cost $10,174,060) 10,679,198 CONVERTIBLE PREFERRED STOCK - 0.7% of Net Assets Diversified Financials - 0.7% Other Diversified Financial Services - 0.7% 2,755 Bank of America Corp., 7.25% 2,501,540 TOTAL CONVERTIBLE PREFERRED STOCK (Cost $2,108,446) 2,501,540 PREFERRED STOCK - 0.0% of Net Assets Software & Services - 0.0% Systems Software - 0.0% 5,745 (g)(i) Perseus Holding Corp., 14.0% (144A) 0 TOTAL PREFERRED STOCK (Cost $0) 0 Shares Value RIGHTS/WARRANTS - 0.1% of Net Assets Energy - 0.1% Oil & Gas Exploration & Production - 0.1% 2,500,000 (g)(i) Norse Energy Corp. ASA - CW11, Expires 7/14 222,969 TOTAL RIGHTS/WARRANTS (Cost $523,408) 222,969 ESCROW HOLDINGS - 0.0% of Net Assets Energy - 0.0% Oil & Gas Refining & Marketing - 0.0% 4,280,000 (g)(i) Verasun Energy Corp. 0 Total Energy 0 Automobiles & Components - 0.0% Auto Parts & Equipment - 0.0% 4,535,000 (g)(i) Lear Corp. 0 Total Automobiles & Components 0 TOTAL ESCROW HOLDINGS (Cost $0) 0 TEMPORARY CASH INVESTMENTS - 12.0% of Net Assets Securities Lending Collateral - 12.0%(l) Certificates of Deposit: 1,240,476 Bank of Nova Scotia, 0.47%, 9/7/10 1,240,476 1,240,476 Barclays, 0.30%, 7/23/10 1,240,476 1,364,524 CBA Financial, 0.56%, 1/3/11 1,364,524 1,240,476 Deutschebank, 0.30%, 7/19/10 1,240,476 744,286 DnB NOR Bank ASA NY, 0.49%, 8/26/10 744,286 1,240,478 Rabobank Nederland NY, 0.23%, 7/6/10 1,240,478 1,240,476 Royal Bank of Canada, 0.26%, 1/21/11 1,240,476 1,240,476 Svenska NY, 0.265%, 7/19/10 1,240,476 9,551,668 Commercial Paper: 496,190 American Honda Finance, 0.38%, 4/15/11 496,190 744,285 American Honda Finance, 0.38%, 5/4/11 744,285 164,110 Caterpillar Financial Services, 0.47%, 8/20 164,110 991,709 CHARF, 0.46%, 8/23/10 991,709 743,709 CLIPPR, 0.45%, 9/1/10 743,709 1,121,531 CME, Inc., 1.00%, 8/6/10 1,121,531 516,303 FAIRPP, 0.50%, 8/16/10 516,303 570,120 FASCO, 0.45%, 9/9/10 570,120 619,739 FASCO, 0.46%, 9/2/10 619,739 1,240,707 Federal Home Loan Bank, 0.31%, 6/1/11 1,240,707 620,174 GE, 0.37%, 1/26/11 620,174 123,941 GE Capital Corp., 0.33%, 6/6/11 123,941 135,203 GE Capital Corp., 0.35%, 10/6/10 135,203 134,276 GE Capital Corp., 0.40%, 10/21/10 134,276 372,214 GE Capital Corp., 0.64%, 8/20/10 372,214 138,317 John Deere Capital Corp., 0.32%, 7/16/10 138,317 1,049,001 JPMorgan Chase & Co., 0.57%, 9/24/10 1,049,001 496,121 NABPP, 0.28%, 7/19/10 496,121 619,962 PARFIN, 0.39%, 8/11/10 619,962 1,406,348 Santander, 0.30%, 7/23/10 1,406,348 1,240,428 SOCNAM, 0.28%, 7/6/10 1,240,428 868,295 SRCPP, 0.26%, 7/7/10 868,295 870,362 STRAIT, 0.43%, 8/23/10 870,362 598,444 TBLLC, 0.40%, 8/9/10 598,444 1,240,476 Toyota Motor Credit Corp., 0.35%, 1/10/11 1,240,476 1,240,226 VARFUN, 0.29%, 7/26/10 1,240,226 744,328 Wachovia, 0.64%, 3/22/11 744,328 347,370 Wal Mart Stores, Inc., 0.22%, 7/1/10 347,370 496,107 WFC, 0.60%, 12/2/10 496,107 1,240,476 WSTPAC, 0.39%, 11/5/10 1,240,476 21,190,472 Tri-party Repurchase Agreements: 1,556,301 Barclays, 0.1%, 7/1/10 1,556,301 3,101,190 Deutsche Bank, 0.3%, 7/1/10 3,101,190 3,721,428 RBS Securities, Inc., 0.5%, 7/1/10 3,721,428 8,378,919 Shares Money Market Mutual Funds: 1,860,714 Blackrock Liquidity Temp Cash Fund 1,860,714 1,860,714 Dreyfus Preferred Money Market Fund 1,860,714 3,721,428 TOTAL SECURITIES LENDING COLLATERAL 42,842,487 TOTAL TEMPORARY CASH INVESTMENTS (Cost $42,842,487) 42,842,487 TOTAL INVESTMENTS IN SECURITIES - 151.8% (Cost $525,997,828)(m)(n) 540,481,737 OTHER ASSETS AND LIABILITIES - (9.4)% (33,497,640) PREFERRED SHARES AT REDEMPTION VALUE, INCLUDING DIVIDENDS PAYABLE - (42.4)% (151,014,597) NET ASSETS APPLICABLE TO COMMON SHAREOWNERS 355,969,500 (144A) Security is exempt from registration under Rule 144A of the Securities Act of 1933. Such securities may be resold normally to qualified institutional buyers in a transaction exempt from registration. At June 30, 2010, the value of these securities amounted to $169,168,218 or 47.5% of total net assets applicable to common shareowners. (a) Floating rate note. The rate shown is the coupon rate at June 30, 2010. (b) Security is in default and is non-income producing. (c) The company filed for bankruptcy. (d) Payment-in Kind (PIK) security which may pay interest in additional principal amount. (e) Debt obligation initially issued at one coupon which converts to another coupon at a specific date. The rate shown is the rate at June 30, 2010. (f) Security is priced as a unit. (g) Security is fair valued using fair value methods (other than prices supplied by independent pricing services). (h) Security is a perpetual bond and has no definite maturity date. (i) Non-income producing. (j) Indicates a security that has been deemed illiquid. The aggregate cost of illiquid securities is $3,731,460. The aggregate value of $2,884,647 represents 0.8% of total net assets applicable to common shareowners. (k) Floating rate loan interests in which the Trust invests generally pay interest at rates that are periodically redetermined by reference to a base lending rate plus a premium. These base lending rates are generally (i) the lending rate offered by one or more major European banks, such as LIBOR (London InterBank Offered Rate), (ii) the prime rate offered by one or more major United States banks, commercial lenders. The interest rate shown is the (iii) the certificate of deposit (iv) other base lending rates used by coupon rate accruing at June 30, 2010. (l) Securities lending collateral is managed by Credit Suisse AG, New York Branch. (m) At June 30, 2010, the net unrealized gain on investments based on cost for federal income tax purposes of $527,937,307 was as follows: Aggregate gross unrealized gain for all investments in which there is an excess of value over tax cos $47,627,032 Aggregate gross unrealized loss for all investments in which there is an excess of tax cost over valu (35,082,602) Net unrealized gain $12,544,430 For financial reporting purposes net unrealized gain was $14,483,909 and cost of investments aggregated $525,997,828. (n) Distribution of investments by country of issue, as a percentage of total holdings, is as follows: United States 81.5% Canada 3.7 Cayman Islands 2.0 Norway 2.0 Bermuda 1.8 United Kingdom 1.4 Brazil 1.4 Netherlands 1.3 Germany 0.9 Argentina 0.7 Australia 0.6 Thailand 0.5 Mexico 0.5 Russia 0.4 Virgin Islands 0.3 Luxembourg 0.3 Indonesia 0.2 Singapore 0.2 Israel 0.2 Ireland 0.1 100.0% (o) At June 30, 2010, the following securities were out on loan: Principal Amount USD($) Description Market Value 313,000 Allison Transmission, Inc., 11.0%, 11/1/15 $327,868 1,181,000 Allison Transmission, Inc., 11.25%, 11/1/15 1,237,098 1,300,000 Bumi Capital Pte, Ltd., 12.0%, 11/10/16 (14 1,319,500 1,400,000 BWAY Holding Co., 10.0%, 6/15/18 (144A) 1,459,500 572,000 Cia Brasileira de Bebida, 10.5%, 12/15/11 644,930 5,686,000 Cricket Communications, Inc., 9.375%, 11/1/ 5,771,290 876,000 Energy Future Holdings Corp., 10.0%, 1/15/2 871,620 1,230,000 Graphic Packaging International, Inc., 9.5% 1,251,525 625,000 Hercules Offshore, Inc., 3.375%, 6/1/38 421,875 495,000 Hercules Offshore, Inc., 10.5%, 10/15/17 (1 439,313 2,970,000 Hexion U.S. Finance Corp., 9.75%, 11/15/14 2,806,650 2,598,750 Ineos Group Holdings Plc, 8.5%, 2/15/16 (14 2,027,025 151,000 Kansas City Southern de Mexico, 9.375%, 5/1 154,775 468,000 Manitowoc Co., Inc., 9.5%, 2/15/18 468,000 45,000 PAETEC Holding Corp., 8.875%, 6/30/17 45,000 2,133,000 PAETEC Holding Corp., 9.5%, 7/15/15 2,074,343 170,000 Petroplus Finance, Ltd., 7.0%, 5/1/17 (144A 138,550 2,170,000 Sally Holdings LLC, 10.5%, 11/15/16 2,321,900 4,192,000 Tenneco Automotive, Inc., 8.625%, 11/15/14 4,228,680 3,064,000 Texas Competitive Electric Holdings Co. LLC 2,022,240 1,163,000 Transocean, Ltd., 1.625%, 12/15/37 1,126,656 2,000,000 Univision Communications, Inc., 9.75%, 3/15 1,670,000 3,031,000 Waste Services, Inc., 9.5%, 4/15/14 3,106,775 3,302,000 Yankee Acquisition Corp., 8.5%, 2/15/15 3,339,148 330,000 Yankee Acquisition Corp., 9.75%, 2/15/17 335,775 Shares 15,900 Charter Communications, Inc. 561,270 81,500 Delta Airlines, Inc. 957,625 $41,128,931 Note: Principal amounts are denominated in U.S. dollars unless otherwise denoted. EURO Euro NOK Norwegian Krone Glossary of Terms: (A.D.R.) American Depositary Receipt Various inputs are used in determining the value of the Trust's investments. These inputs are summarized in the three broad levels listed below. Highest priority is given to Level 1 inputs and lowest priority is given to Level 3. Level 1 - quoted prices in active markets for identical securities Level 2 - other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risk, etc.) Level 3 - significant unobservable inputs (including the Trust's own assumptions in determining fair value of investments) The following is a summary of the inputs used as of June 30, 2010, in valuing the Trust's assets: Level 1 Level 2 Level 3 Total Asset backed securities $0 $9,114,805 $0 $9,114,805 Collateralized mortgage b 0 5,306,623 0 5,306,623 Corporate bonds & notes (environ 0 0 133,492 133,492 Corporate bonds & notes (systems 0 0 2,659,001 2,659,001 Corporate bonds & notes (other) 0 402,076,611 0 402,076,611 Convertible bonds & notes 0 26,941,485 0 26,941,485 Municipal bonds 0 20,990,550 0 20,990,550 Municipal collaterized debt 0 2,446,587 0 2,446,587 Sovereign debt obligation 0 3,621,109 0 3,621,109 Floating rate loans 0 10,945,280 0 10,945,280 Common stock (steel) 0 0 203,428 203,428 Common stock (building products) 0 0 438,060 438,060 Common stock (other industries) 10,037,710 0 0 10,037,710 Convertible preferred stocks 0 2,501,540 0 2,501,540 Preferred stock 0 0 0 0 Rights/Warrants 222,969 0 0 222,969 Escrow holdings 0 0 0 0 Temporary Cash Investments 0 39,121,059 0 39,121,059 Money market mutual funds 3,721,428 0 0 3,721,428 Total $13,982,107 $523,065,649 $3,433,981 $540,481,737 Other Financial Instruments $0 ($53,523) $0 ($53,523) *Other financial instruments include foreign exchange contracts. The following is a reconciliation of assets valued using significant unobservable inputs (level 3): Balance Change in unreal. Net purch Transfer Balance as of 3/31/10 app (dep) (sales) in/out of of 6/30/10 Level 3 Corporate bonds (environ) $0 $5,992 $0 $127,500 $133,492 Corporate bonds(system)2,585,250 (24,584) 98,335 0 2,659,001 Muncipial bonds (Michigan) 0 0 0 0 0 Floating rate loan 1,546,097 (86,242) 5,346 (1,465,201) 0 Common stock (steel) 203,428 0 0 0 203,428 Common stock (building) 438,060 0 0 0 438,060 Preferred stock 0 0 0 0 0 Escrow holdings 0 0 0 0 0 Ending balance $4,772,835 ($104,834) $103,681 ($1,337,701) $3,433,981 * Transfers are calculated beginning of period. ITEM 2. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive and principal financial officers, or persons performing similar functions, regarding the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) as of a date within 90 days of the filing date of the report that includes the disclosure required by this paragraph, based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the Act (17 CFR 270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR 240.13a-15(b) or 240.15d-15(b)). The registrant's principal executive officer and principal financial officer have concluded that the registrant's disclosure controls and procedures are effective based on their evaluation of these controls and procedures as of a date within 90 days of the filing date of this report. (b) Disclose any change in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d)) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There were no significant changes in the registrant's internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. (a) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the Act (17 CFR 270.30a-2(a)). Filed herewith. SIGNATURES [See General Instruction F] Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) Pioneer High Income Trust By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr, President Date August 27, 2010 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr., President Date August 27, 2010 By (Signature and Title)* /s/ Mark Bradley Mark Bradley, Treasurer Date August 27, 2010 * Print the name and title of each signing officer under his or her signature.