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 811-21286 Name of Fund: BlackRock Preferred Income Strategies Fund, Inc. (PSY) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock Preferred Income Strategies Fund, 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: (800) 882-0052, Option 4 Date of fiscal year end: 10/31/2008 Date of reporting period: 05/01/2008 - 07/31/2008 Item 1 - Schedule of Investments BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) ----------------------------------------------------------------------------------------------------------------------------------- Preferred Securities ----------------------------------------------------------------------------------------------------------------------------------- Par Industry Capital Trusts (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Capital Markets - 2.7% Lehman Brothers Holdings Capital Trust V, 3.479% (a)(b) $ 6,400 $ 3,213,594 State Street Capital Trust III, 8.25% (a)(b)(c) 4,000 4,030,960 State Street Capital Trust IV, 3.776%, 6/01/67 (b)(c) 12,535 9,335,980 -------------- 16,580,534 ----------------------------------------------------------------------------------------------------------------------------------- Commercial Banks - 18.9% ABN AMRO North America Holding Preferred Capital Repackaging Trust I, 6.523% (a)(b)(c)(d) 12,035 11,666,813 Abbey National Capital Trust I, 8.963% (a)(b) 2,811 3,055,653 BB&T Capital Trust IV, 6.82%, 6/12/77 (b)(c) 18,350 14,004,353 Bank One Capital III, 8.75%, 9/01/30 2,000 2,109,900 Barclays Bank Plc, 5.926% (a)(b)(d) 6,115 4,833,455 First Empire Capital Trust II, 8.277%, 6/01/27 3,630 3,048,416 HSBC America Capital Trust I, 7.808%, 12/15/26 (d) 2,000 1,944,184 HSBC Capital Funding LP/Jersey Channel Islands, 10.176% (a)(b)(c)(d) 15,835 18,797,760 HSBC Finance Capital Trust IX, 5.911%, 11/30/35 (b) 7,300 5,591,632 Hubco Capital Trust II Series B, 7.65%, 6/15/28 12,275 12,762,775 Huntington Capital III, 6.65%, 5/15/37 (b) 3,850 2,047,584 NationsBank Capital Trust III, 3.263%, 1/15/27 (b)(c) 13,470 9,563,794 Regions Financing Trust II, 6.625%, 5/15/47 (b) 5,705 3,147,431 Royal Bank of Scotland Group Plc, 7.648% (a)(b) 3,930 3,529,085 SMFG Preferred Capital USD 3 Ltd., 9.50% (a)(b)(d) 3,550 3,542,903 SunTrust Preferred Capital I, 5.853% (a)(b) 4,175 2,786,813 Wachovia Corp. Series K, 7.98% (a)(b)(c) 15,920 12,233,724 Wells Fargo Capital XIII Series GMTN, 7.70% (a)(b) 3,400 3,221,429 -------------- 117,887,704 ----------------------------------------------------------------------------------------------------------------------------------- Consumer Finance - 0.8% MBNA Capital A, 8.278%, 12/01/26 4,630 4,604,105 ----------------------------------------------------------------------------------------------------------------------------------- Diversified Financial Services - AgFirst Farm Credit Bank, 8.393%, 12/15/16 (b) 15,000 14,665,230 13.0% Bank of America Corp. Series M, 8.125% (a)(b)(c) 15,200 14,139,192 Citigroup, Inc., 8.40% (a)(b)(c) 23,000 19,693,520 Farm Credit Bank of Texas Series 1, 7.561% (a)(b) 9,000 8,187,210 BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par Industry Capital Trusts (000) Value ----------------------------------------------------------------------------------------------------------------------------------- ING Capital Funding Trust III, 8.439% (a)(b) $ 6,066 $ 6,136,845 JPMorgan Chase & Co., 7.90% (a)(b)(c) 13,000 12,025,260 JPMorgan Chase Capital XXIII, 3.804%, 5/15/77 (b) 8,375 6,385,016 -------------- 81,232,273 ----------------------------------------------------------------------------------------------------------------------------------- Electric Utilities - 0.8% SWEPCO Capital I, 5.25%, 10/01/43 (b) 5,000 4,945,420 ----------------------------------------------------------------------------------------------------------------------------------- Insurance - 9.8% AON Corp., 8.205%, 1/01/27 (c) 12,175 10,953,787 Ace Capital Trust II, 9.70%, 4/01/30 (c) 11,300 11,982,927 Farmers Exchange Capital, 7.05%, 7/15/28 (c)(d) 15,000 12,333,390 GE Global Insurance Holding Corp., 7.75%, 6/15/30 (c) 10,000 10,129,290 Genworth Financial, Inc., 6.15%, 11/15/66 (b) 3,000 2,256,456 Oil Casualty Insurance Ltd., 8%, 9/15/34 (d) 3,605 3,209,387 Principal Life Insurance Co., 8%, 3/01/44 (c)(d) 6,325 6,810,387 Zenith National Insurance Capital Trust I, 8.55%, 8/01/28 (d) 3,750 3,571,875 -------------- 61,247,499 ----------------------------------------------------------------------------------------------------------------------------------- Multi-Utilities - 1.6% Dominion Resources Capital Trust I, 7.83%, 12/01/27 (c) 10,000 9,826,640 ----------------------------------------------------------------------------------------------------------------------------------- Road & Rail - 0.5% BNSF Funding Trust I, 6.613%, 12/15/55 (b) 3,750 3,316,890 ----------------------------------------------------------------------------------------------------------------------------------- Thrifts & Mortgage Finance - 0.4% Webster Capital Trust IV, 7.65%, 6/15/37 (b) 3,875 2,538,489 ----------------------------------------------------------------------------------------------------------------------------------- Total Capital Trusts - 48.5% 302,179,554 ----------------------------------------------------------------------------------------------------------------------------------- Preferred Stocks Shares ----------------------------------------------------------------------------------------------------------------------------------- Capital Markets - 0.2% Deutsche Bank Contingent Capital Trust II, 6.55% 72,200 1,488,042 ----------------------------------------------------------------------------------------------------------------------------------- Commercial Banks - 9.1% Barclays Bank Plc, 8.125% 225,000 5,377,500 First Tennessee Bank NA, 3.90% (b)(d) 4,650 3,467,156 HSBC USA, Inc. Series H, 6.50% 120,000 2,386,800 Provident Financial Group, Inc., 7.75% 166,800 4,274,250 Royal Bank of Scotland Group Plc Series L, 5.75% 20,000 320,600 Royal Bank of Scotland Group Plc Series M, 6.40% 15,000 262,500 SG Preferred Capital II, 6.302% (b) 23,000 22,913,750 Santander Finance Preferred SA Unipersonal, 6.50% 374,000 7,176,125 Santander Finance Preferred SA Unipersonal, 6.80% 208,600 4,393,638 Sovereign Bancorp, Inc. Series C, 7.30% (f) 48,000 864,000 Wachovia Corp. Series J, 8% 265,000 5,082,700 -------------- 56,519,019 ----------------------------------------------------------------------------------------------------------------------------------- Diversified Financial Services - Bank of America Corp. Series H, 8.20% 155,000 3,758,750 5.5% Citigroup, Inc. Series AA, 8.125% 326,400 6,707,520 Citigroup, Inc. Series T, 6.50% (g) 125,000 5,530,000 Cobank ACB, 7% (d) 152,000 7,116,336 JPMorgan Chase Capital XXI Series U, 3.741% (b)(c) 15,525,000 11,184,769 -------------- 34,297,375 ----------------------------------------------------------------------------------------------------------------------------------- Electric Utilities - 2.2% Alabama Power Co., 5.83% 14,000 327,600 Alabama Power Co., 6.50% 145,000 3,552,500 Entergy Arkansas, Inc., 6.45% 114,400 2,831,400 BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Industry Preferred Stocks Shares Value ----------------------------------------------------------------------------------------------------------------------------------- Entergy Louisiana LLC, 6.95% 49,850 $ 5,187,740 Interstate Power & Light Co. Series B, 8.375% 80,000 2,128,000 -------------- 14,027,240 ----------------------------------------------------------------------------------------------------------------------------------- Insurance - 14.0% AXA SA, 6.379% (b)(c)(d) 13,470,000 10,900,328 Aspen Insurance Holdings Ltd., 7.401% (b) 194,000 3,443,500 Axis Capital Holdings Ltd. Series A, 7.25% 129,300 2,767,020 Axis Capital Holdings Ltd. Series B, 7.50% (b) 36,000 2,896,877 Endurance Specialty Holdings Ltd. Series A, 7.75% 139,200 2,853,600 Financial Security Assurance Holdings Ltd., 6.40% (b)(d) 6,930,000 4,018,111 Great West Life & Annuity Insurance Co., 7.153% (b)(d) 7,500,000 6,192,465 MetLife, Inc., 6.40% (c) 16,825,000 14,305,490 MetLife, Inc. Series B, 6.50% 764,400 15,777,216 PartnerRe Finance II, 6.44% (b) 5,700,000 4,413,955 Prudential Plc, 6.50% 92,400 1,843,380 RenaissanceRe Holding Ltd. Series D, 6.60% 435,000 8,265,000 Zurich RegCaPS Funding Trust, 6.58% (b)(d) 9,800 9,594,813 -------------- 87,271,755 ----------------------------------------------------------------------------------------------------------------------------------- Multi-Utilities - 1.8% Dominion Resources, Inc., 7.50% (b) 8,400,000 7,552,306 Pacific Gas & Electric Co. Series A, 6% 140,000 3,497,200 -------------- 11,049,506 ----------------------------------------------------------------------------------------------------------------------------------- Thrifts & Mortgage Finance - 1.0% Fannie Mae Series O, 7% (b) 37,498 1,124,940 Freddie Mac Series Q, 3.85% (b) 181,500 4,809,750 -------------- 5,934,690 ----------------------------------------------------------------------------------------------------------------------------------- Wireless Telecommunication Centaur Funding Corp., 9.08% (d) 2,423 2,409,371 Services - 0.4% ----------------------------------------------------------------------------------------------------------------------------------- Total Preferred Stocks - 34.2% 212,996,998 ----------------------------------------------------------------------------------------------------------------------------------- Real Estate Investment Trusts ----------------------------------------------------------------------------------------------------------------------------------- Real Estate Investment Trusts BRE Properties, Inc. Series D, 6.75% 35,000 687,750 (REITs) - 4.4% Developers Diversified Realty Corp., 8% 400,000 8,800,000 First Industrial Realty Trust, Inc., 6.236% (b) 2,390 2,447,509 Firstar Realty LLC, 8.875% (d) 4,000 3,742,500 HCP, Inc. Series F, 7.10% 50,000 1,017,500 Kimco Realty Corp. Series F, 6.65% 50,000 987,500 Public Storage, Inc. Series I, 7.25% 160,000 3,495,008 Public Storage Series F, 6.45% 40,000 767,200 Public Storage Series M, 6.625% 71,900 1,431,529 Regency Centers Corp. Series D, 7.25% 100,000 2,065,000 Weingarten Realty Investors Series F, 6.50% 100,000 1,960,000 ----------------------------------------------------------------------------------------------------------------------------------- Total Real Estate Investment Trusts - 4.4% 27,401,496 ----------------------------------------------------------------------------------------------------------------------------------- BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par Industry Trust Preferreds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Capital Markets - 0.7% Deutsche Bank Contingent Capital Trust V, 8.05% (a) $ 4,263 $ 4,187,269 ----------------------------------------------------------------------------------------------------------------------------------- Commercial Banks - 0.2% KeyCorp Capital IX, 6.75% 1,868 1,073,638 ----------------------------------------------------------------------------------------------------------------------------------- Communications Equipment - Corporate-Backed Trust Certificates, Motorola Debenture 0.2% Backed Series 2002-14, 8.375%, 11/15/28 2,000 1,477,297 ----------------------------------------------------------------------------------------------------------------------------------- Consumer Finance - 1.9% Capital One Capital II, 7.50%, 6/15/66 16,702 11,992,177 ----------------------------------------------------------------------------------------------------------------------------------- Diversified Financial Services - Citigroup Capital XVII, 6.35%, 3/15/67 7,048 5,163,382 1.3% ING Groep NV, 7.20% (a) 3,500 2,964,003 -------------- 8,127,385 ----------------------------------------------------------------------------------------------------------------------------------- Electric Utilities - 1.5% Georgia Power Co. Series O, 1.475%, 4/15/33 1,250 1,235,093 HECO Capital Trust III, 6.50%, 3/18/34 1,250 1,204,765 National Rural Utilities Cooperative Finance Corp., 6.75%, 2/15/43 1,250 1,160,647 PPL Energy Supply LLC, 7%, 7/15/46 5,835 5,875,591 -------------- 9,476,096 ----------------------------------------------------------------------------------------------------------------------------------- Gas Utilities - 0.9% Southwest Gas Capital II, 7.70%, 9/15/43 5,750 5,484,751 ----------------------------------------------------------------------------------------------------------------------------------- Insurance - 3.3% ABN AMRO North America Capital Funding Trust II, 2.831% (a)(b)(d) 11,000 10,022,660 Lincoln National Capital VI Series F, 6.75%, 9/11/52 5,000 4,546,943 W.R. Berkley Capital Trust II, 6.75%, 7/26/45 7,375 6,130,589 -------------- 20,700,192 ----------------------------------------------------------------------------------------------------------------------------------- Media - 3.2% Comcast Corp., 6.625%, 5/15/56 23,375 19,787,414 ----------------------------------------------------------------------------------------------------------------------------------- Thrifts & Mortgage Finance - 2.3% Countrywide Capital V, 7%, 11/01/66 1,550 997,608 Countrywide Financial Corp., 6.75%, 4/01/33 20,625 13,080,663 -------------- 14,078,271 ----------------------------------------------------------------------------------------------------------------------------------- Total Trust Preferreds - 15.5% 96,384,490 ----------------------------------------------------------------------------------------------------------------------------------- Total Preferred Securities - 102.6% 638,962,538 ----------------------------------------------------------------------------------------------------------------------------------- Corporate Bonds ----------------------------------------------------------------------------------------------------------------------------------- Building Products - 0.6% C8 Capital SPV Ltd., 6.64% (a)(b)(d) 3,915 3,575,021 ----------------------------------------------------------------------------------------------------------------------------------- Capital Markets - 3.5% Ameriprise Financial, Inc., 7.518%, 6/01/66 (b) 7,600 6,543,022 Credit Suisse Guernsey Ltd., 5.86% (a)(b) 9,045 7,355,023 Lehman Brothers Holdings, Inc., 4.476%, 9/15/22 (b) 1,310 1,206,224 Lehman Brothers Holdings, Inc., 6.875%, 7/17/37 7,800 6,463,993 -------------- 21,568,262 ----------------------------------------------------------------------------------------------------------------------------------- Commercial Banks - 15.0% BNP Paribas, 7.195% (a)(b)(c)(d)(h) 23,025 19,793,441 Bank of Ireland Capital Funding II, LP, 5.571% (a)(b)(d) 8,065 5,402,485 Bank of Ireland Capital Funding III, LP, 6.107% (a)(b)(d) 8,575 6,027,342 BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par Industry Corporate Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Barclays Bank Plc, 7.434% (a)(b)(d) $ 750 $ 645,617 Credit Agricole SA, 6.637% (a)(b)(c)(d) 31,800 25,106,036 HBOS Plc, 6.657% (a)(b)(d) 5,000 3,172,290 Royal Bank of Scotland Group Plc, 9.118% (a) 4,800 4,811,846 Royal Bank of Scotland Group Plc Series MTN, 7.64% (a)(b) 7,500 6,264,900 Societe Generale, 5.922% (a)(b)(c)(d) 17,250 14,392,106 Standard Chartered Bank, 7.014% (a)(b)(d) 9,575 8,044,628 -------------- 93,660,691 ----------------------------------------------------------------------------------------------------------------------------------- Diversified Financial Services - Bank of America Corp. Series K, 8% (a)(b)(c) 8,745 8,067,263 2.7% Citigroup, Inc., 8.30%, 12/21/77 (b) 4,000 3,652,308 JPMorgan Chase Capital XXV, 6.80%, 10/01/37 6,150 5,196,393 -------------- 16,915,964 ----------------------------------------------------------------------------------------------------------------------------------- Electric Utilities - 0.8% PPL Capital Funding, 6.70%, 3/30/67 (b) 5,925 5,043,567 ----------------------------------------------------------------------------------------------------------------------------------- Gas Utilities - 1.9% Southern Union Co., 7.20%, 11/01/66 (b) 14,400 11,697,667 ----------------------------------------------------------------------------------------------------------------------------------- Insurance - 27.9% The Allstate Corp., 6.50%, 5/15/57 (b)(c) 12,775 11,000,680 The Allstate Corp. Series B, 6.125%, 5/15/67 (b) 10,450 9,393,191 American International Group, Inc., 8.175%, 5/15/58 (b)(d) 17,125 15,342,613 American International Group, Inc., 6.25%, 3/15/87 11,220 8,517,439 Chubb Corp., 6.375%, 3/29/67 (b)(c) 17,700 16,146,825 Everest Reinsurance Holdings, Inc., 6.60%, 5/01/67 (b) 14,280 9,733,048 Liberty Mutual Group, Inc., 7%, 3/15/37 (b)(d) 10,150 8,248,793 Liberty Mutual Group, Inc., 10.75%, 6/15/88 (b)(d) 7,925 7,291,000 Lincoln National Corp., 7%, 5/17/66 (b)(c) 12,000 10,534,212 Lincoln National Corp., 6.05%, 4/20/67 (b) 5,025 4,042,929 Nationwide Life Global Funding I, 6.75%, 5/15/67 9,675 6,989,907 Oil Insurance Ltd., 7.558% (a)(b)(d) 5,000 4,245,350 Progressive Corp., 6.70%, 6/15/37 (b)(c) 11,650 9,889,802 QBE Capital Funding II LP, 6.797% (a)(b)(d) 8,525 7,020,193 Reinsurance Group of America, 6.75%, 12/15/65 (b) 3,000 2,306,730 Structured Asset Repackaged Trust Series 2004-1, 5.417%, 4/21/11 525 503,446 Swiss Re Capital I LP, 6.854% (a)(b)(c)(d) 8,875 7,608,653 The Travelers Cos., Inc., 6.25%, 3/15/67 (b)(c) 22,850 19,281,059 ZFS Finance (USA) Trust IV, 5.875%, 5/09/32 (b)(d) 1,300 1,191,489 ZFS Finance (USA) Trust V, 6.50%, 5/09/67 (b)(c)(d) 17,110 14,662,295 -------------- 173,949,654 ----------------------------------------------------------------------------------------------------------------------------------- BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par Industry Corporate Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Multi-Utilities - 0.3% Puget Sound Energy, Inc. Series A, 6.974%, 6/01/67 (b) $ 1,825 $ 1,585,469 ----------------------------------------------------------------------------------------------------------------------------------- Oil, Gas & Consumable Fuels - Conoco Funding Co., 6.35%, 10/15/11 6,100 6,459,711 3.3% Enterprise Products Operating LP, 8.375%, 8/01/66 (b) 4,225 4,127,893 Plains All American Pipeline LP, 6.50%, 5/01/18 (d) 3,145 3,108,873 TransCanada PipeLines Ltd., 6.35%, 5/15/67 (b) 8,300 7,013,940 -------------- 20,710,417 ----------------------------------------------------------------------------------------------------------------------------------- Paper & Forest Products - 0.6% International Paper Co., 8.70%, 6/15/38 4,000 4,015,948 ----------------------------------------------------------------------------------------------------------------------------------- Thrifts & Mortgage Finance - 0.1% Washington Mutual Preferred Funding Delaware, 6.534% (a)(b)(d) 2,500 750,750 ----------------------------------------------------------------------------------------------------------------------------------- Total Corporate Bonds - 56.7% 353,473,410 ----------------------------------------------------------------------------------------------------------------------------------- Exchange-Traded Fund Shares ----------------------------------------------------------------------------------------------------------------------------------- UltraShort Real Estate ProShares 124,250 11,493,125 ----------------------------------------------------------------------------------------------------------------------------------- Total Exchange-Traded Fund - 1.8% 11,493,125 ----------------------------------------------------------------------------------------------------------------------------------- Total Long-Term Investments (Cost - $1,182,010,478) - 161.1% 1,003,929,073 ----------------------------------------------------------------------------------------------------------------------------------- Beneficial Interest Short-Term Securities (000) ----------------------------------------------------------------------------------------------------------------------------------- BlackRock Liquidity Series, LLC Cash Sweep Series, 2.45% (e)(i) $ 164,692 164,692,224 ----------------------------------------------------------------------------------------------------------------------------------- Total Short-Term Securities (Cost - $164,692,224) - 26.4% 164,692,224 Total Investments (Cost - $1,346,702,702*) - 187.5% 1,168,621,297 Liabilities in Excess of Other Assets - (43.3)% (269,877,970) Preferred Stock, at Redemption Value - (44.2)% (275,305,362) -------------- Net Assets Applicable to Common Stock - 100.0% $ 623,437,965 ============== * The cost and unrealized appreciation (depreciation) of investments as of July, 31, 2008, as computed for federal income tax purposes, were as follows: Aggregate cost $ 1,344,513,685 =============== Gross unrealized appreciation $ 1,475,515 Gross unrealized depreciation (177,367,903) --------------- Net unrealized depreciation $ (175,892,388) =============== BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (a) Security is a perpetual in nature and has no stated maturity date. (b) Variable rate security. Rate shown is as of report date. Maturity shown is the final maturity date. (c) All or a portion of security has been pledged as collateral in connection with reverse repurchase agreements. Reverse repurchase agreements as of July 31,2008 were as follows: ------------------------------------------------------------------------------- Interest Trade Maturity Net Closing Face Counterparty Rate Date Date Amount Amount ------------------------------------------------------------------------------- Barclays Bank Plc 3.42285% 7/31/08 5/15/09 $ 5,472,239 $ 5,328,360 Barclays Bank Plc 3.41625 6/03/08 5/15/09 36,142,546 35,000,000 Barclays Bank Plc 3.55 6/17/08 5/15/09 41,686,702 40,372,901 Barclays Bank Plc 3.55 6/30/08 5/15/09 7,469,725 7,242,609 Barclays Bank Plc 3.42285 6/26/08 5/15/09 1,026,518 996,300 Barclays Bank Plc 3.55 6/26/08 5/15/09 2,283,646 2,214,000 Barclays Bank Plc 3.42285 6/26/08 5/15/09 13,051,212 12,703,768 Barclays Bank Plc 3.42285 6/02/08 5/15/09 12,654,306 12,252,399 Barclays Bank Plc 3.42285 6/20/08 5/15/09 2,692,106 2,611,411 Barclays Bank Plc 3.44 6/06/08 5/15/09 36,133,767 35,000,000 Barclays Bank Plc 3.42 6/05/08 5/15/09 36,140,475 35,000,000 Barclays Bank Plc 3.42 6/05/08 5/15/09 36,130,500 35,000,000 Barclays Bank Plc 3.42285 6/02/08 5/15/09 51,640,115 49,999,999 ------------------------------------------------------------------------------- Total $282,523,857 $273,721,747 =========================== (d) Security exempt from registration under Rule 144a of the Securities Act of 1933. These securities may be resold in transactions exempt from registration to qualified institutional investors. Unless otherwise indicated, these securities are considered to be liquid. (e) Represents the current yield as of report date. (f) Depositary receipts. (g) Convertible security. (h) All or a portion of security held as collateral in connection with open financial futures contracts. (i) 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 Activity Interest Affiliate (000) Income -------------------------------------------------------------------------- BlackRock Liquidity Series, LLC Cash Sweep Series $110,427 $ 11,006 -------------------------------------------------------------------------- o For Fund compliance purposes, the Fund 's industry classifications refer to anyone or more of the industry 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. o Financial futures contracts sold as of July 31, 2008 were as follows: ------------------------------------------------------------------------------------- Expiration Face Unrealized Contracts Issue Date Value Depreciation ------------------------------------------------------------------------------------- 950 5-Year U.S. Treasury Bond September 2008 $104,365,810 $ (1,403,331) 3 10-Year U.S. Treasury Bond September 2008 $ 344,431 (53) 3,329 30-Year U.S. Treasury Bond September 2008 $378,825,520 (5,673,980) ------------------------------------------------------------------------------------- Total $ (7,077,364) ============ BlackRock Preferred Income Strategies Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) o Swaps outstanding as of July 31, 2008 were as follows: -------------------------------------------------------------------------------------------------------------- Notional Amount Unrealized (000) Depreciation -------------------------------------------------------------------------------------------------------------- Bought credit default protection on American Express Company and pay 2.10% Broker, JPMorgan Chase Expires March 2013 $ 8,000 $ (9,488) Bought credit default protection on Lehman Brothers Holdings, Inc. and pay 4.95% Broker, Deutsche Bank AG Expires March 2013 $ 4,000 (211,032) Bought credit default protection on Dow Jones CDX North America Investment Grade High Volatility Index 10. V1 and pay 3.50% Broker, Lehman Brothers Special Financing Expires June 2013 $ 5,725 (263) Bought credit default protection on Kimco Realty Corp. and pay 2.40% Broker, Goldman Sachs & Co. Expires March 2018 $ 6,000 (93,186) Bought credit default protection on Mack-Cali Realty, L.P. and pay 3.10% Broker, Goldman Sachs & Co. Expires March 2018 $ 5,000 (233,600) Bought credit default protection on ERP Operating Limited Partnership and pay 2.35% Broker, Goldman Sachs & Co. Expires March 2018 $ 6,000 (157,932) -------------------------------------------------------------------------------------------------------------- Total $ (705,501) ============= Item 2 - Controls and Procedures 2(a) - The registrant's principal executive and principal financial officers or persons performing similar functions have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the "1940 Act")) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended. 2(b) - There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant's last fiscal quarter that have materially affected, or are 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. BlackRock Preferred Income Strategies Fund, Inc. By: /s/ Donald C. Burke -------------------------------- Donald C. Burke Chief Executive Officer of BlackRock Preferred Income Strategies Fund, Inc. Date: September 19, 2008 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/ Donald C. Burke -------------------------------- Donald C. Burke Chief Executive Officer (principal executive officer) of BlackRock Preferred Income Strategies Fund, Inc. Date: September 19, 2008 By: /s/ Neal J. Andrews -------------------------------- Neal J. Andrews Chief Financial Officer (principal financial officer) of BlackRock Preferred Income Strategies Fund, Inc. Date: September 19, 2008