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 811-7456 Name of Fund: Senior High Income Portfolio, Inc. Fund Address: P.O. Box 9011 Princeton, NJ 08543-9011 Name and address of agent for service: Robert C. Doll, Jr., Chief Executive Officer, Senior High Income Portfolio, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536. Mailing address: P.O. Box 9011, Princeton, NJ, 08543-9011 Registrant's telephone number, including area code: (609) 282-2800 Date of fiscal year end: 02/28/2007 Date of reporting period: 03/01/06 - 05/31/06 Item 1 - Schedule of Investments Senior High Income Portfolio, Inc. Schedule of Investments as of May 31, 2006 (in U.S. dollars) Face Industry Amount Corporate Bonds Value Aerospace & Defense - 1.2% $ 4,510,000 Vought Aircraft Industries, Inc., 8% due 7/15/2011 $ 4,239,400 Automotive - 4.9% 5,550,000 Advanced Accessory Systems LLC, 10.75% due 6/15/2011 5,605,500 1,300,000 Cooper-Standard Automotive, Inc., 8.375% due 12/15/2014 1,077,368 1,350,000 Delco Remy International, Inc., 9.068% due 4/15/2009 (f) 1,317,937 2,425,000 Exide Technologies, 10.50% due 3/15/2013 (j) 2,103,687 5,000,000 General Motors Acceptance Corp., 5.968% due 1/16/2007 (f) 4,951,420 1,175,000 Metaldyne Corp., 11% due 6/15/2012 1,010,500 475,000 Tenneco Automotive, Inc. Series B, 10.25% due 7/15/2013 522,500 700,000 Venture Holdings Co. LLC, 12% due 6/01/2009 (c) 0 3,325,000 Venture Holdings Co. LLC Series B, 9.50% due 7/01/2005 (b) 4,156 --------------- 16,593,068 Broadcasting - 1.3% 500,000 LIN Television Corp. Series B, 6.50% due 5/15/2013 463,750 1,325,000 Paxson Communications Corp., 8.318% due 1/15/2012 (f)(j) 1,351,500 2,625,000 Paxson Communications Corp., 11.318% due 1/15/2013 (f)(j) 2,654,531 --------------- 4,469,781 Cable - International - 1.3% 350,000 NTL Cable Plc, 8.75% due 4/15/2014 351,750 1,550,000 New Skies Satellites NV, 10.414% due 11/01/2011 (f) 1,600,375 2,450,000 New Skies Satellites NV, 9.125% due 11/01/2012 2,621,500 --------------- 4,573,625 Cable - U.S. - 8.4% 1,800,000 CSC Holdings, Inc., 7.25% due 7/15/2008 1,813,500 2,275,000 Cablevision Systems Corp. Series B, 9.62% due 4/01/2009 (f) 2,417,187 1,750,000 Charter Communications Holdings LLC, 10% due 4/01/2009 1,347,500 1,000,000 Charter Communications Holdings LLC, 11.75% due 1/15/2010 665,000 2,000,000 Charter Communications Holdings LLC, 11.125% due 1/15/2011 1,260,000 550,000 Charter Communications Holdings LLC, 9.92% due 4/01/2011 330,000 1,000,000 Charter Communications Holdings LLC, 10% due 5/15/2011 600,000 5,000,000 EchoStar DBS Corp., 8.24% due 10/01/2008 (f) 5,081,250 1,925,000 Intelsat Subsidiary Holding Co. Ltd., 9.614% due 1/15/2012 (f) 1,951,469 1,675,000 Intelsat Subsidiary Holding Co. Ltd., 8.25% due 1/15/2013 1,681,281 2,400,000 Intelsat Subsidiary Holding Co. Ltd., 8.625% due 1/15/2015 2,430,000 1,400,000 Mediacom Broadband LLC, 11% due 7/15/2013 1,477,000 1,875,000 Mediacom LLC, 9.50% due 1/15/2013 1,884,375 5,250,000 Rainbow National Services LLC, 8.75% due 9/01/2012 (j) 5,565,000 --------------- 28,503,562 Chemicals - 8.5% 1,350,000 ArCo Chemical Co., 9.80% due 2/01/2020 1,620,000 2,250,000 Compass Minerals International, Inc. Series B, 12% due 6/01/2013 (g) 2,070,000 4,382,000 GEO Specialty Chemicals, Inc., 13.50% due 12/31/2009 (i) 3,812,340 1,000,000 Huntsman International, LLC, 9.875% due 3/01/2009 1,042,500 1,219,000 Huntsman International, LLC, 10.125% due 7/01/2009 1,240,333 1,708,000 Koppers, Inc., 9.875% due 10/15/2013 1,878,800 1,650,000 Lyondell Chemical Co., 11.125% due 7/15/2012 1,815,000 1,200,000 Millennium America, Inc., 7.625% due 11/15/2026 1,035,000 6,000,000 Nova Chemicals Corp., 8.405% due 11/15/2013 (f) 6,045,000 5,350,000 Omnova Solutions, Inc., 11.25% due 6/01/2010 5,711,125 1,000,000 PolyOne Corp., 6.89% due 9/22/2008 950,000 1,322,000 Rockwood Specialties Group, Inc., 10.625% due 5/15/2011 1,427,760 250,000 Rockwood Specialties Group, Inc., 7.50% due 11/15/2014 248,750 --------------- 28,896,608 Consumer - Durables - 1.3% 4,450,000 Simmons Bedding Co., 7.875% due 1/15/2014 4,327,625 Consumer - Non-Durables - 2.8% 4,725,000 Hines Nurseries, Inc., 10.25% due 10/01/2011 4,536,000 2,125,000 North Atlantic Trading Co., 9.25% due 3/01/2012 1,710,625 3,525,000 Quiksilver, Inc., 6.875% due 4/15/2015 3,331,125 --------------- 9,577,750 Diversified Media - 1.1% 1,000,000 AMC Entertainment, Inc., 11% due 2/01/2016 (j) 1,080,000 175,000 Universal City Florida Holding Co. I, 8.375% due 5/01/2010 178,500 2,450,000 Universal City Florida Holding Co. I, 9.899% due 5/01/2010 (f) 2,529,625 --------------- 3,788,125 Energy - Exploration 1,500,000 Chaparral Energy, Inc., 8.50% due 12/01/2015 (j) 1,518,750 & Production - 2.2% 3,000,000 Compton Petroleum Finance Corp., 7.625% due 12/01/2013 2,925,000 3,000,000 Tronox Worldwide LLC, 9.50% due 12/01/2012 (j) 3,112,500 --------------- 7,556,250 Energy - Other - 3.7% 1,000,000 Dresser, Inc., 9.375% due 4/15/2011 1,035,000 974,000 Dresser-Rand Group, Inc., 7.375% due 11/01/2014 978,870 5,000,000 Ocean RIG ASA, 8.99% due 4/04/2011 4,975,000 3,325,000 SemGroup LP, 8.75% due 11/15/2015 (j) 3,374,875 2,000,000 VeraSun Energy Corp., 9.875% due 12/15/2012 (j) 2,150,000 --------------- 12,513,745 Financial - 1.5% 4,000,000 Highland Legacy Ltd CLO, 9.943% due 6/01/2011 (f) 3,976,800 500,000 Investcorp SA, 7.54% due 10/21/2008 507,244 1,000,000 Pennant CBO Ltd., 13.43% due 3/14/2011 680,000 --------------- 5,164,044 Food & Drug - 0.2% 500,000 Stripes Acquisition LLC, 10.625% due 12/15/2013 (j) 542,500 Gaming - 5.8% 5,925,000 CCM Merger, Inc., 8% due 8/01/2013 (j) 5,688,000 5,450,000 Galaxy Entertainment Finance Co. Ltd., 10.42% due 12/15/2010 (f)(j) 5,695,250 550,000 Galaxy Entertainment Finance Co. Ltd., 9.875% due 12/15/2012 (j) 574,750 2,000,000 Inn of the Mountain Gods Resort & Casino, 12% due 11/15/2010 2,140,000 2,000,000 Jacobs Entertainment, Inc., 11.875% due 2/01/2009 2,122,500 1,550,000 Little Traverse Bay Bands of Odawa Indians, 10.25% due 2/15/2014 (j) 1,534,500 300,000 Penn National Gaming, Inc., 6.75% due 3/01/2015 286,875 1,500,000 Tunica-Biloxi Gaming Authority, 9% due 11/15/2015 (j) 1,558,125 --------------- 19,600,000 Health Care - 2.6% 1,875,000 CDRV Investors, Inc., 9.75% due 1/01/2015 (g) 1,350,000 1,650,000 Elan Finance Plc, 7.75% due 11/15/2011 1,608,750 2,325,000 Elan Finance Plc, 9.17% due 11/15/2011 (f) 2,354,062 3,000,000 Tenet Healthcare Corp., 7.375% due 2/01/2013 2,775,000 700,000 VWR International, Inc., 8% due 4/15/2014 703,500 --------------- 8,791,312 Housing - 3.0% 500,000 Compression Polymers Corp., 10.50% due 7/01/2013 (j) 520,000 2,555,000 Goodman Global Holding Co., Inc., 8.329% due 6/15/2012 (f) 2,586,937 4,750,000 Goodman Global Holding Co., Inc., 7.875% due 12/15/2012 4,655,000 2,500,000 Technical Olympic USA, Inc., 8.25% due 4/01/2011 (j) 2,443,750 --------------- 10,205,687 Information Technology - 4.8% 3,800,000 Amkor Technology, Inc., 9.25% due 2/15/2008 3,990,000 2,450,000 Freescale Semiconductor, Inc., 7.818% due 7/15/2009 (f) 2,499,000 1,375,000 MagnaChip Semiconductor SA, 8.579% due 12/15/2011 (f) 1,364,688 5,250,000 Sungard Data Systems, Inc., 9.125% due 8/15/2013 (j) 5,505,938 1,750,000 Sungard Data Systems, Inc., 9.431% due 8/15/2013 (f)(j) 1,841,875 1,075,000 Telcordia Technologies Inc., 10% due 3/15/2013 (j) 1,013,188 --------------- 16,214,689 Leisure - 1.4% 3,000,000 Felcor Lodging LP, 9.57% due 6/01/2011 (f) 3,093,750 2,000,000 True Temper Sports, Inc., 8.375% due 9/15/2011 1,870,000 --------------- 4,963,750 Manufacturing - 3.0% 1,750,000 Columbus McKinnon Corp., 8.875% due 11/01/2013 1,798,125 3,000,000 Communications & Power Industries, Inc., 8% due 2/01/2012 3,120,000 2,250,000 EaglePicher Inc., 9.75% due 9/01/2013 (c) 1,490,625 2,825,000 Invensys Plc, 9.875% due 3/15/2011 (j) 3,065,125 750,000 Propex Fabrics, Inc., 10% due 12/01/2012 705,000 --------------- 10,178,875 Metal - Other - 3.3% 500,000 Aleris International, Inc., 9% due 11/15/2014 518,750 2,950,000 Indalex Holding Corp., 11.50% due 2/01/2014 (j) 3,097,500 5,000,000 James River Coal Co., 9.375% due 6/01/2012 5,162,500 2,225,000 RathGibson, Inc., 11.25% due 2/15/2014 (j) 2,386,313 --------------- 11,165,063 Packaging - 1.1% 2,000,000 Packaging Dynamics Finance Corp., 10% due 5/01/2016 (j) 2,015,000 2,000,000 Wise Metals Group LLC, 10.25% due 5/15/2012 1,675,000 --------------- 3,690,000 Paper - 9.7% 3,275,000 Abitibi-Consolidated, Inc., 8.829% due 6/15/2011 (f) 3,283,187 4,975,000 Ainsworth Lumber Co. Ltd., 8.71% due 10/01/2010 (f) 4,975,000 2,500,000 Ainsworth Lumber Co. Ltd., 9.068% due 4/01/2013 (f)(j) 2,481,250 1,100,000 Boise Cascade LLC, 7.943% due 10/15/2012 (f) 1,105,500 350,000 Boise Cascade LLC, 7.125% due 10/15/2014 316,750 7,475,000 Bowater, Inc., 8.329% due 3/15/2010 (f) 7,549,750 1,775,000 Domtar, Inc., 7.125% due 8/15/2015 1,544,250 625,000 Graphic Packaging International Corp., 9.50% due 8/15/2013 628,125 5,150,000 JSG Funding Plc, 7.75% due 4/01/2015 4,712,250 5,175,000 NewPage Corp., 11.399% due 5/01/2012 (f) 5,627,813 800,000 Smurfit-Stone Container Enterprises, Inc., 8.375% due 7/01/2012 756,000 --------------- 32,979,875 Retail - 1.3% 2,250,000 Neiman-Marcus Group, Inc., 9% due 10/15/2015 (j) 2,342,813 2,000,000 Neiman-Marcus Group, Inc., 10.375% due 10/15/2015 (j) 2,105,000 --------------- 4,447,813 Service - 5.0% 2,700,000 Ahern Rentals, Inc., 9.25% due 8/15/2013 2,774,250 250,000 Avis Budget Car Rental LLC, 7.576% due 5/15/2014 (f)(j) 253,750 4,000,000 HydroChem Industrial Services, Inc., 9.25% due 2/15/2013 (j) 3,980,000 2,325,000 MSW Energy Holdings LLC, 8.50% due 9/01/2010 2,412,188 2,000,000 Neff Rental LLC, 11.25% due 6/15/2012 (j) 2,210,000 5,450,000 United Rentals North America, Inc., 7.75% due 11/15/2013 5,341,000 --------------- 16,971,188 Telecommunications - 4.2% 2,045,000 Cincinnati Bell, Inc., 8.375% due 1/15/2014 2,065,450 1,200,000 Nordic Telephone Co. Holdings ApS, 8.875% due 5/01/2016 (j) 1,239,000 4,000,000 Qwest Communications International, Inc., 8.67% due 2/15/2009 (f) 4,070,000 1,025,000 Qwest Corp., 8.579% due 6/15/2013 (f) 1,105,719 3,500,000 Time Warner Telecom Holdings, Inc., 9.17% due 2/15/2011 (f) 3,552,500 2,000,000 Time Warner Telecom Holdings, Inc., 9.25% due 2/15/2014 2,132,500 --------------- 14,165,169 Transportation - 0.5% 1,500,000 Progress Rail Services Corp., 7.75% due 4/01/2012 (j) 1,650,000 Utility - 0.7% 1,600,000 Dynegy Holdings, Inc., 8.375% due 5/01/2016 (j) 1,592,000 725,000 Williams Cos., Inc., 8.625% due 6/01/2010 764,875 --------------- 2,356,875 Wireless Communications - 1.0% 1,550,000 Digicel Ltd., 9.25% due 9/01/2012 (j) 1,627,500 1,000,000 Rural Cellular Corp., 9.41% due 3/15/2010 (f) 1,020,000 800,000 US Unwired, Inc., 9.579% due 6/15/2010 (f) 820,000 --------------- 3,467,500 Total Corporate Bonds (Cost - $295,261,544) - 85.8% 291,593,879 Floating Rate Loan Interests (a) Aerospace & Defense - 1.5% 5,092,593 Standard Aero Holdings Term Loan, 6.96% - 7.35% due 8/24/2012 5,092,593 Airlines - 0.1% 500,000 Delta Air Lines Term Loan B, 10.023% due 3/16/2008 507,902 Automotive - 1.8% 1,851,852 Intermet Corp. First Lien Term Loan, 9.87% due 11/08/2010 1,722,222 648,148 Intermet Corp. Letter of Credit, 8.49% due 11/08/2010 599,537 1,852,550 Metaldyne Corp. Term Loan D, 9.50% due 12/31/2009 1,889,890 270,000 Metaldyne Term Loan D, 9.50% due 12/31/2009 274,219 1,092,618 Tenneco Automotive, Inc. Term Loan B, 7.19% due 12/12/2010 1,102,042 479,968 Tenneco Automotive, Inc. Tranche B-1 Credit Linked Deposit, 7.052% due 12/12/2010 484,107 --------------- 6,072,017 Cable - U.S. - 9.0% 5,000,000 Adelphia Communications Corp. Term Loan B, 10% due 6/30/2009 4,872,915 2,155,172 Cebridge Connections Term Loan B, 7.319% due 11/05/2013 2,146,513 3,000,000 Century Cable Holdings LLC, Discretionary Term Loan, 10% due 12/31/2009 2,920,140 8,000,000 Charter Communications, Inc. Term Loan B, 7.755% due 4/28/2013 8,046,768 3,910,000 Insight Midwest Holdings LLC Term Loan C, 7% due 12/31/2009 3,933,992 1,997,647 Mediacom Communications Term Loan D, 6.809% - 7.002% due 1/31/2015 1,997,647 2,567,500 Mediacom LLC Term Loan C, 6.809% - 7.002% due 1/31/2015 2,567,500 4,000,000 Olympus Cable Holdings LLC Term Loan B, 10% due 9/30/2010 3,904,284 --------------- 30,389,759 Chemicals - 4.9% 2,679,750 CII Carbon Term Loan B, 7.125% due 8/23/2012 2,711,572 2,576,351 Celanese Holdings LLC Term Loan B, 6.98% due 4/06/2011 2,591,487 1,577,265 Huntsman ICI Holdings Term Loan B, 6.831% due 8/16/2012 1,579,854 1,592,000 Rockwood Specialties Group, Inc. Tranche D Term Loan, 6.466% due 12/10/2012 1,605,059 8,000,000 Wellman, Inc. First Lien Term Loan, 9.149% due 2/10/2009 8,086,248 --------------- 16,574,220 Consumer - Non-Durables - 2.3% 4,640,278 American Safety Razor Co. Tranche B Term Loan, 7.97% due 2/28/2012 4,675,080 1,485,000 Culligan International Co. Term Loan, 7.081% due 9/30/2011 1,493,353 1,466,250 Solo Cup Co. Term Loan, 7.479% - 7.61% due 2/27/2011 1,479,844 --------------- 7,648,277 Energy - Exploration & 500,000 MEG Energy Corp. Term Loan B, 7% due 4/03/2013 503,705 Production - 0.1% Energy - Other - 2.7% 2,985,000 Cheniere Energy, Inc. Term Loan B, 7.729% due 8/31/2012 3,013,919 236,197 Dresser, Inc. Term Loan C, 7.60% due 4/10/2009 239,740 1,250,000 Dresser, Inc. Term Loan Unsecured, 8.65% due 2/25/2010 1,278,125 2,493,750 Key Energy Services, Inc. Term Loan B, 8.25% - 8.40% due 6/30/2012 2,514,792 2,000,000 Scorpion Drilling Ltd. Second Lien Term Loan, 12.581% due 5/05/2015 2,080,000 --------------- 9,126,576 Financial - 1.3% 2,000,000 JG Wentworth Manufacturing Term Loan, 8.545% due 4/12/2011 2,026,250 2,250,000 JG Wentworth Manufacturing Term Loan, 8.545% due 4/14/2011 2,279,531 --------------- 4,305,781 Food & Tobacco - 3.0% 750,000 Bolthouse Farms, Inc. Second Lien Term Loan, 10.37% due 12/01/2013 766,875 1,906,667 Commonwealth Brands Term Loan, 7.438% due 12/22/2012 1,920,728 465,116 Dole Food Co., Inc. Letter of Credit, 4.92% due 4/12/2013 462,754 1,046,512 Dole Food Co., Inc. Term Loan B, 6.688% - 8.75% due 4/12/2013 1,041,197 3,488,372 Dole Food Co., Inc. Term Loan C, 6.875% - 8.75% due 4/04/2013 3,470,658 1,426,667 Pierre Foods, Inc. Term Loan B, 6.93% due 6/30/2010 1,436,922 1,000,000 QCE LLC First Lien Term Loan, 7.31% due 5/05/2013 1,001,458 --------------- 10,100,592 Gaming - 1.5% 4,987,621 Resorts International First Lien Term Loan, 7.98% due 4/26/2012 5,049,966 Health Care - 1.0% 3,359,633 VWR International, Inc. Tranche B Term Loan, 7.34% due 4/07/2011 3,390,431 Housing - 2.6% 2,336,169 Headwaters, Inc. Term Loan B-1, 7.08% due 4/30/2011 2,350,770 1,100,559 LIONS Gables Realty Term Loan B, 6.82% - 6.86% due 9/30/2006 1,103,425 1,438,073 LNR Property Corp. Tranche B Term Loan, 7.85% - 8.08% due 2/03/2008 1,441,220 4,000,000 Stile U.S. Acquisition Corp. Bridge Loan, 11.362% due 4/06/2015 3,955,000 --------------- 8,850,415 Information Technology - 1.5% 1,760,000 Activant Solutions Term Loan B, 7.188% due 5/02/2013 1,766,051 1,755,000 Fidelity National Information Solutions, Inc. Term Loan B, 6.83% due 3/09/2013 1,759,798 1,670,625 Telcordia Technologies, Inc. Term Loan, 7.31% due 9/15/2012 1,668,884 --------------- 5,194,733 Manufacturing - 1.4% 1,390,844 Invensys International Holdings Ltd. First Lien Term Loan, 8.501% due 9/04/2009 1,397,798 3,465,000 Metokote Corp. Second Lien Term Loan, 8.31% - 8.42% due 11/27/2011 3,501,816 --------------- 4,899,614 Metal - Other - 1.4% 994,737 Euramax International Plc Second Lien Term Loan, 11.544% due 6/29/2013 1,009,658 1,700,843 Euramax International Plc Tranche 3 Term Loan B, 7.25% due 6/29/2012 1,716,789 2,005,263 Euramax International Plc Tranche 4 Second Lien Term Loan, 12% due 6/29/2013 2,035,342 --------------- 4,761,789 Packaging - 2.3% 2,142,857 Anchor Glass Container Corp. Term Loan B, 7.309% due 5/03/2013 2,148,214 2,000,000 Graham Packaging Co. LP Second Lien Term Loan, 9.25% due 4/07/2012 2,040,834 3,534,686 Owens-Illinois Group, Inc. Tranche Term Loan C, 6.85% due 4/01/2008 3,536,895 --------------- 7,725,943 Paper - 0.7% 2,500,000 Georgia Pacific Corp. Second Lien Term Loan C, 7.88% - 8.081% due 2/14/2014 2,535,698 Retail - 0.1% 302,916 General Nutrition Centers, Inc. Tranche B Term Loan, 7.85% - 7.97% due 12/05/2009 305,377 Service - 2.8% 992,832 Allied Waste North America, Inc. Term Loan, 6.73% - 6.97% due 1/15/2012 993,970 385,956 Allied Waste North America, Inc. Tranche A Credit Linked Deposit, 6.38% due 1/15/2012 386,307 1,633,333 United Rentals, Inc. Term Loan, 7.10% due 2/14/2011 1,644,393 333,333 United Rentals, Inc. Tranche B Credit Linked Deposit, 6.64% due 2/14/2011 335,590 2,160,000 Waste Services, Inc. Term Loan B, 8.29% - 8.34% due 3/31/2011 2,184,300 3,930,000 Waste Services, Inc. Term Loan B, 8.33% - 10.25% due 3/31/2011 3,981,581 --------------- 9,526,141 Telecommunications - 0.7% 1,702,542 Winstar Communications Debtor in Possession, 6.366% due 12/31/2006 (c) 2,508,411 Utility - 1.5% 1,500,000 Calpine Corp. Delay Draw Term Loan, 8.979% due 12/20/2007 1,538,749 1,700,000 Covanta Energy Corp. Second Lien Term Loan, 10.46% - 10.581% due 6/24/2013 1,738,250 750,000 El Paso Corp. Deposit Account, 4.29% due 11/23/2009 755,052 970,000 El Paso Corp. Term Loan, 7.75% due 11/23/2009 976,938 --------------- 5,008,989 Wireless Communications - 0.8% 2,750,000 Centennial Cellular Operating Co. Term Loan, 6.45% - 7.57% due 2/09/2011 2,770,666 Total Floating Rate Loan Interests (Cost - $149,810,946) - 45.0% 152,849,595 Shares Held Common Stocks Chemicals - 0.1% 142,466 GEO Specialty Chemicals, Inc. (e) 284,932 Leisure - 0.1% 41,866 Lodgian, Inc. (e) 481,878 Total Common Stocks (Cost - $2,818,936) - 0.2% 766,810 Preferred Stocks Cable - U.S. - 0.0% 2,500 Adelphia Communications Corp. Series B, 13% (e) 625 Total Preferred Stocks (Cost - $225,000) - 0.0% 625 Warrants (h) Paper - 0.0% 3,500 MDP Acquisitions Plc (expires 10/01/2013) 35,000 Wireless Communications - 0.1% 600 American Tower Corp. (expires 8/01/2008) 261,581 Total Warrants (Cost - $39,036) - 0.1% 296,581 Beneficial Interest Other Interests (d) Automotive - 0.0% $ 4,130,972 Cambridge Industries, Inc. (Litigation Trust Certificates) 0 Health Care - 0.0% 10,284 MEDIQ Inc. (Preferred Stock Escrow due 2/01/2006) 0 Total Other Interests (Cost - $0) - 0.0% 0 Short-Term Securities $ 563,379 Merrill Lynch Liquidity Series, LLC Cash Sweep Series I, 4.85% (k)(l) 563,379 Total Short-Term Securities (Cost - $563,379) - 0.2% 563,379 Total Investments (Cost - $448,718,841*) - 131.3% 446,070,869 Liabilities in Excess of Other Assets - (31.3%) (106,323,987) --------------- Net Assets - 100.0% $ 339,746,882 =============== * The cost and unrealized appreciation (depreciation) of investments as of May 31, 2006, as computed for federal income tax purposes, were as follows: Aggregate cost $ 448,388,503 ================ Gross unrealized appreciation $ 11,432,831 Gross unrealized depreciation (13,750,465) ---------------- Net unrealized depreciation $ (2,317,634) ================ (a) Floating rate loan interests which the Fund invests generally pay interest at rates that are periodically redetermined by reference to a base lending rate plus a premium. The 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 U.S. banks or (iii) the certificate of deposit rate. (b) As a result of bankruptcy proceedings, the company did not repay the principal amount of the security upon maturity and is non-income producing. (c) Non-income producing security; issuer filed for bankruptcy or is in default of interest payments. (d) Other interests represent beneficial interest in liquidation trusts and other reorganization entities and are non-income producing. (e) Non-income producing security. (f) Floating rate note. (g) Represents a step bond; the interest rate shown reflects the effective yield at the time of purchase. (h) Warrants entitle the Fund to purchase a predetermined number of shares of common stock and are non-income producing. The purchase price and number of shares are subject to adjustment under certain conditions until the expiration date. (i) Convertible security. (j) The security may be offered and sold to "qualified institutional buyers" under Rule 144A of the Securities Act of 1933. (k) Investments in companies considered to be an affiliate of the Fund, for purposes of Section 2(a)(3) of the Investment Company Act of 1940, were as follows: Net Interest Affiliate Activity Income Merrill Lynch Liquidity Series, LLC Cash Sweep Series I $ 563,379 $ 11,415 (l) Represents the current yield as of 5/31/2006. o For Fund compliance purposes, the Fund's industry classifications refer to any one or more of the industry sub-classifications used by one or more widely recognized market indexes or ratings group indexes, and/or as defined by Fund management. This definition may not apply for purposes of this report, which may combine industry sub-classifications for reporting ease. Industries are shown as a percent of net assets. Item 2 - Controls and Procedures 2(a) - The registrant's certifying officers have reasonably designed such disclosure controls and procedures to ensure material information relating to the registrant is made known to us by others particularly during the period in which this report is being prepared. The registrant's certifying officers have determined that the registrant's disclosure controls and procedures are effective based on our evaluation of these controls and procedures as of a date within 90 days prior to the filing date of this report. 2(b) - There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d)) that occurred during the last fiscal quarter of the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. Item 3 - Exhibits Certifications - Attached hereto 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. Senior High Income Portfolio, Inc. By: /s/ Robert C. Doll, Jr. ----------------------- Robert C. Doll, Jr. Chief Executive Officer Senior High Income Portfolio, Inc. Date: July 21, 2006 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: /s/ Robert C. Doll, Jr. ----------------------- Robert C. Doll, Jr. Chief Executive Officer Senior High Income Portfolio, Inc. Date: July 21, 2006 By: /s/ Donald C. Burke ----------------------- Donald C. Burke Chief Financial Officer Senior High Income Portfolio, Inc. Date: July 21, 2006