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BLACKROCK MUNIHOLDINGS QUALITY FUND II, INC.

Regulatory Filings Aug 25, 2008

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N-Q 1 muniholdingsins2.htm MUNIHOLDINGS INSURED FUND II MuniHldgs Ins II -- Converted by SEC Publisher, created by BCL Technologies Inc., for SEC Filing $$/page=

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 811-09191 Name of Fund: BlackRock MuniHoldings Insured Fund II, Inc. (MUE) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock MuniHoldings Insured Fund II, 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: 09/30/2008 Date of reporting period: 04/01/2008 – 06/30/2008 Item 1 – Schedule of Investments

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Alabama - 1.1% Jefferson County, Alabama, Limited Obligation School Warrants,
Series A, 5.50%, 1/01/22 $ 3,580 $ 3,339,710
Alaska - 1.3% Anchorage, Alaska, Water Revenue Refunding Bonds, 6%, 9/01/09 (a)(b) 370 390,328
Anchorage, Alaska, Water Revenue Refunding Bonds, 6%, 9/01/24 (a) 1,630 1,681,769
Matanuska-Susitna Boro, Alaska, GO, Series A, 6%, 3/01/10 (b)(c) 1,700 1,793,585
3,865,682
Arkansas - 4.2% Arkansas State Development Finance Authority, M/F Mortgage Revenue
Refunding Bonds, Series C, 5.35%, 12/01/35 (c)(d) 12,215 12,228,681
California - 14.2% California State, Various Purpose, GO, 5.25%, 12/01/22 (f) 2,935 3,060,559
California State, Veterans, GO, Refunding, AMT, Series BZ,
5.35%, 12/01/21 (c) 9,350 9,351,028
Dixon, California, Unified School District, GO (Election of 2002),
5.20%, 8/01/44 (f) 2,405 2,432,657
Modesto, California, Schools Infrastructure Financing Agency, Special Tax
Bonds, 5.50%, 9/01/36 (a) 4,240 4,255,052
Port of Oakland, California, Revenue Bonds, AMT, Series K,
5.75%, 11/01/21 (g) 3,000 3,004,110
Port of Oakland, California, Revenue Refunding Bonds, AMT, Series L,
5.375%, 11/01/27 (c)(g) 5,000 4,914,100
Rancho Cucamonga, California, Redevelopment Agency, Tax
Allocation Refunding Bonds (Rancho Redevelopment Project),
Series A, 5%, 9/01/34 (c) 1,500 1,459,980
Roseville, California, Joint Union High School District, GO (Election of
2004), Series A, 5%, 8/01/29 (g) 2,985 2,997,298
Sacramento, California, City Financing Authority, Capital Improvement
Revenue Bonds, 5%, 12/01/27 (a) 150 151,554
San Francisco, California, City and County Airport Commission,
International Airport, Special Facilities Lease Revenue Bonds (SFO Fuel
Company LLC), AMT, Series A, 6.10%, 1/01/20 (f) 1,250 1,277,113
Stockton, California, Public Financing Revenue Bonds (Redevelopment
Projects), Series A, 5.25%, 9/01/31 (h) 495 470,780
Stockton, California, Public Financing Revenue Bonds (Redevelopment
Projects), Series A, 5.25%, 9/01/34 (h) 2,930 2,740,283
Vista, California, COP (Community Projects), 5%, 5/01/37 (c) 5,400 5,286,600
41,401,114
Portfolio Abbreviations

To simplify the listings of the portfolio holdings in the Schedule of Investments, the names of many of the securities have been abbreviated according to the list below.

AMT Alternative Minimum Tax (subject to) HFA Housing Finance Agency
CABS Capital Appreciation Bonds IDA Industrial Development Authority
COP Certificates of Participation M/F Multi-Family
DRIVERS Derivative Inverse Tax-Exempt Receipts PCR Pollution Control Revenue Bonds
EDA Economic Development Authority S/F Single-Family
GO General Obligation Bonds VRDN Variable Rate Demand Notes
HDA Housing Development Authority

1

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Colorado - 3.8% Aurora, Colorado, COP, 5.75%, 12/01/10 (a)(b) $ 6,285 $6,711,060
Colorado HFA, Revenue Refunding Bonds (S/F Program), AMT,
Senior Series A-2, 7.50%, 4/01/31 200 207,808
Colorado Health Facilities Authority, Hospital Revenue Refunding Bonds
(Poudre Valley Health Care), Series A, 5.75%, 12/01/09 (b)(f) 4,000 4,230,600
11,149,468
Connecticut - 0.5% Connecticut State, GO, Refunding, Series D, 5%, 12/01/24 (c) 1,520 1,570,464
District of Columbia - District of Columbia, Deed Tax Revenue Bonds (Housing Production Trust
0.9% Fund - New Communities Project), Series A, 5%, 6/01/32 (c) 2,500 2,479,225
Florida - 22.3% Brevard County, Florida, Health Facilities Authority, Healthcare Facilities
Revenue Bonds (Health First Inc. Project), 5%, 4/01/34 2,600 2,388,386
Broward County, Florida, HFA, S/F Mortgage Revenue Refunding Bonds,
AMT, Series E, 5.90%, 10/01/39 (i)(j) 2,310 2,298,866
Broward County, Florida, School Board, COP, Series A, 5.25%, 7/01/33 (f) 5,600 5,660,816
Hillsborough County, Florida, HFA, S/F Mortgage Revenue Bonds, AMT,
Series 1, 5.375%, 10/01/49 (i)(j) 3,385 3,214,768
Hillsborough County, Florida, IDA, Hospital Revenue Bonds (H. Lee Moffitt
Cancer Center Project), Series A, 5.25%, 7/01/37 4,700 4,484,834
Hillsborough County, Florida, IDA, PCR, Refunding (Tampa Electric
Company Project), Series B, 5.15%, 9/01/25 1,200 1,204,776
Lee Memorial Health System, Florida, Hospital Revenue Bonds, Series A,
5%, 4/01/32 (a) 5,000 4,890,800
Miami-Dade County, Florida, Aviation Revenue Bonds, DRIVERS, VRDN,
AMT, Series A, 8.009%, 10/01/11 (e)(f) 34 30,233
Miami-Dade County, Florida, Aviation Revenue Refunding Bonds (Miami
International Airport), AMT, Series A, 5.50%, 10/01/41 (f) 6,700 6,720,703
Miami-Dade County, Florida, School Board, COP, Refunding, Series B,
5.25%, 5/01/28 (k) 5,000 5,068,650
Miami-Dade County, Florida, School Board, COP, Refunding, Series B,
5.25%, 5/01/31 (k) 3,600 3,632,796
Miami-Dade County, Florida, School Board, COP, Series A,
5%, 5/01/21 (f)(g) 5,000 5,135,150
Miami-Dade County, Florida, Special Obligation Revenue Bonds,
Sub-Series A, 5.24%, 10/01/37 (c)(l) 3,670 677,078
Miami, Florida, Special Obligation Revenue Bonds (Street and Sidewalk
Improvement Program), 5%, 1/01/37 (c) 3,500 3,336,620
Okaloosa County, Florida, Water and Sewer Revenue Refunding Bonds, 5%,
7/01/36 (f) 2,100 2,108,253
Pasco County, Florida, Half-Cent Sales Tax Revenue Bonds,
5.125%, 12/01/28 (a) 6,300 6,342,651
Saint Johns County, Florida, Water and Sewer Revenue Bonds, CABS,
5.352%, 6/01/31 (a)(l) 5,065 1,363,042
Seminole County, Florida, Water and Sewer Revenue Bonds,
5%, 10/01/31 6,250 6,316,938
64,875,360

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Idaho - 0.1% Idaho Housing and Finance Association, S/F Mortgage Revenue Bonds,
AMT, Series E, 6%, 1/01/32 $ 360 $ 369,011
Illinois - 12.9% Chicago, Illinois, GO (Neighborhoods Alive 21 Program), Series A,
6%, 7/01/10 (b)(g) 2,185 2,344,024
Chicago, Illinois, GO, Series A, 6%, 7/01/10 (b)(g) 18,130 19,449,501
Chicago, Illinois, O'Hare International Airport, General Airport Revenue
Refunding Bonds, Third Lien, AMT, Series A, 5.75%, 1/01/19 (c) 3,125 3,145,626
Chicago, Illinois, O'Hare International Airport Revenue Bonds, Third Lien,
AMT, Series B-2, 6%, 1/01/29 (m) 7,300 7,405,631
Chicago, Illinois, O'Hare International Airport Revenue Bonds, Third Lien,
Series A, 5%, 1/01/31 (c) 1,430 1,368,567
Illinois State Finance Authority, Revenue Refunding Bonds (Central DuPage
Health System), VRDN, Series B, 1.90%, 11/01/38 (e) 3,500 3,500,000
Lake, Cook, Kane and McHenry Counties, Illinois, Community Unit School
District Number 220, GO, 6%, 12/01/20 (g) 125 131,769
37,345,118
Indiana - 5.3% Indiana Municipal Power Agency, Power Supply System Revenue Bonds,
Series A, 5%, 1/01/37 (c) 8,000 7,717,440
Indiana Municipal Power Agency, Power Supply System Revenue Bonds,
Series A, 5%, 1/01/42 (c) 8,000 7,667,920
15,385,360
Kansas - 2.2% Kansas State Development Finance Authority, Health Facilities Revenue
Bonds (Sisters of Charity Leavenworth), Series J, 6.125%, 12/01/20 3,510 3,676,234
Sedgwick and Shawnee Counties, Kansas, S/F Mortgage Revenue Bonds,
AMT, Series A-2, 6.20%, 12/01/33 (j) 2,615 2,647,872
6,324,106
Louisiana - 0.6% Louisiana State, Gas and Fuels Tax Revenue Bonds, Series A,
5%, 5/01/41 (g) 1,600 1,574,512
Michigan - 3.8% Michigan State Hospital Finance Authority, Revenue Refunding Bonds
(Mercy-Mount Clemens), Series A, 6%, 5/15/09 (b)(c) 1,000 1,045,360
Michigan State Strategic Fund, Limited Obligation Revenue Refunding
Bonds (Detroit Edison Company Pollution Control Project), AMT, Series A,
5.50%, 6/01/30 (m) 2,000 1,947,760
Michigan State Strategic Fund, Limited Obligation Revenue Refunding
Bonds (Detroit Edison Company Pollution Control Project), AMT, Series C,
5.65%, 9/01/29 (m) 5,000 5,043,050
Saint Clair County, Michigan, Economic Revenue Refunding Bonds (Detroit
Edison Co. Project), Series AA, 6.40%, 8/01/24 (a) 3,000 3,065,730
11,101,900
Minnesota - 4.7% Prior Lake, Minnesota, Independent School District Number 719, GO,
5.50%, 2/01/16 (f) 2,555 2,661,876
Prior Lake, Minnesota, Independent School District Number 719, GO,
5.50%, 2/01/17 (f) 1,830 1,906,549

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Prior Lake, Minnesota, Independent School District Number 719, GO,
5.50%, 2/01/18 (f) $ 3,570 $ 3,719,333
Prior Lake, Minnesota, Independent School District Number 719, GO,
5.50%, 2/01/19 (f) 2,840 2,958,797
Sauk Rapids, Minnesota, Independent School District Number 47, GO,
Series A, 5.625%, 2/01/18 (c) 2,185 2,321,366
13,567,921
Nevada - 0.0% Nevada Housing Division, S/F Mortgage Revenue Bonds, AMT, Series A-2,
6.30%, 4/01/22 (c) 95 96,209
New Jersey - 6.1% New Jersey EDA, Cigarette Tax Revenue Bonds, 5.75%, 6/15/34 (k) 6,200 6,411,110
New Jersey EDA, Motor Vehicle Surcharge Revenue Bonds, Series A, 5.25%,
7/01/33 (c) 11,000 11,186,670
17,597,780
New York - 5.8% Nassau Health Care Corporation, New York, Health System Revenue Bonds,
5.75%, 8/01/09 (b)(f) 14,000 14,850,640
Tobacco Settlement Financing Corporation of New York Revenue Bonds,
Series A-1, 5.25%, 6/01/21 (a) 2,000 2,069,020
16,919,660
North Carolina - 0.4% North Carolina HFA, Home Ownership Revenue Bonds, AMT, Series 14-A,
5.35%, 1/01/22 (a) 1,235 1,238,730
Ohio - 1.0% Aurora, Ohio, City School District, COP, 6.10%, 12/01/09 (b)(c) 1,745 1,855,354
Kent State University, Ohio, University Revenue Bonds, 6%, 5/01/24 (a) 1,000 1,044,660
2,900,014
Oklahoma - 0.9% Claremore, Oklahoma, Public Works Authority, Capital Improvement
Revenue Refunding Bonds, Series A, 5.25%, 6/01/14 (b)(f) 2,385 2,623,738
Pennsylvania - 0.1% Washington County, Pennsylvania, Capital Funding Authority Revenue
Bonds (Capital Projects and Equipment Program), 6.15%, 12/01/29 (a) 305 303,152
Rhode Island - 3.6% Providence, Rhode Island, Redevelopment Agency Revenue
Refunding Bonds (Public Safety and Municipal Buildings), Series A,
5.75%, 4/01/10 (a)(b) 5,555 5,901,799
Rhode Island State Health and Educational Building Corporation Revenue
Bonds (Rhode Island School of Design), Series D, 5.50%, 8/15/31 (m) 4,685 4,687,061
10,588,860
South Carolina - 5.6% South Carolina Housing Finance and Development Authority, Mortgage
Revenue Refunding Bonds, AMT, Series A-2, 6.35%, 7/01/19 (f) 1,335 1,372,393
South Carolina State Public Service Authority, Revenue Refunding Bonds,
Series A, 5%, 1/01/42 (a) 15,000 14,903,400
16,275,793
Tennessee - 1.3% Metropolitan Government of Nashville and Davidson County, Tennessee,
Health and Education Facilities Board, Revenue Refunding Bonds
(Ascension Health Credit), Series A, 5.875%, 11/15/09 (a)(b) 3,500 3,700,970
Tennessee HDA, Revenue Bonds (Homeownership Program), AMT,
Series 2C, 6%, 7/01/11 70 70,007
3,770,977

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds (000) Value
Texas - 19.8% Dallas-Fort Worth, Texas, International Airport, Joint Revenue Bonds,
AMT, Series B, 6%, 11/01/23 (c) $ 1,300 $ 1,307,813
Dallas-Fort Worth, Texas, International Airport Revenue Bonds, AMT,
Series A, 5.50%, 11/01/33 (c) 16,000 15,509,920
Dallas-Fort Worth, Texas, International Airport Revenue Refunding and
Improvement Bonds, AMT, Series A, 5.875%, 11/01/17 (g) 1,835 1,851,827
Dallas-Fort Worth, Texas, International Airport Revenue Refunding and
Improvement Bonds, AMT, Series A, 5.875%, 11/01/18 (g) 2,150 2,162,835
Dallas-Fort Worth, Texas, International Airport Revenue Refunding and
Improvement Bonds, AMT, Series A, 5.875%, 11/01/19 (g) 2,390 2,397,146
El Paso, Texas, Water and Sewer Revenue Refunding and Improvement
Bonds, Series A, 6%, 3/01/15 (f) 115 124,615
El Paso, Texas, Water and Sewer Revenue Refunding and Improvement
Bonds, Series A, 6%, 3/01/16 (f) 170 183,909
El Paso, Texas, Water and Sewer Revenue Refunding and Improvement
Bonds, Series A, 6%, 3/01/17 (f) 180 194,407
Houston, Texas, Community College System, Participation Interests, COP
(Alief Center Project), 5.75%, 8/15/22 (c) 4,341 4,454,209
Midland, Texas, Certificates of Obligation, GO, 6.10%, 3/01/10 (b)(g) 1,850 1,954,839
North Texas Tollway Authority, System Revenue Refunding Bonds, First
Tier, 5.75%, 1/01/40 (c) 14,750 15,118,750
North Texas Tollway Authority, System Revenue Refunding Bonds, First
Tier, Series B, 5.75%, 1/01/40 (c) 1,000 1,025,000
North Texas Tollway Authority, System Revenue Refunding Bonds, Series
A, 5.625%, 1/01/33 (c) 10,975 11,181,110
57,466,380
Washington - 4.7% Chelan County, Washington, Public Utility District Number 001,
Consolidated Revenue Bonds (Chelan Hydro System), AMT, Series A, 5.45%,
7/01/37 (a) 3,840 3,673,152
Lewis County, Washington, GO, Refunding, 5.75%, 12/01/09 (a)(b) 1,805 1,892,885
Lewis County, Washington, GO, Refunding, 5.75%, 12/01/24 (a) 1,640 1,681,213
Seattle, Washington, Municipal Light and Power Revenue Bonds,
6%, 10/01/09 (b)(c) 2,500 2,640,650
Seattle, Washington, Water System Revenue Bonds, Series B,
6%, 7/01/09 (b)(g) 3,500 3,680,880
13,568,780
Wisconsin - 0.4% Wisconsin State Health and Educational Facilities Authority Revenue Bonds
(Blood Center of Southeastern Wisconsin Project), 5.75%, 6/01/34 1,250 1,248,263
Puerto Rico - 2.0% Puerto Rico Commonwealth, Public Improvement, GO,
5.125%, 7/01/30 (f) 5,725 5,779,617
Total Municipal Bonds (Cost - $377,650,544) - 129.7% 376,955,585
Municipal Bonds Transferred to Tender Option Bond Trusts (n)
California - 10.7% Palomar Pomerado Health Care District, California, GO
(Election of 2004), Series A, 5.125%, 8/01/37 (c) 7,364 7,449,256
Sacramento County, California, Airport System Revenue Bonds, AMT,
Senior Series B, 5.25%, 7/01/39 (f) 5,350 5,260,681

5

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Par
State Municipal Bonds Transferred to Tender Option Bond Trusts (n) (000) Value
San Diego, California, Community College District, GO (Election of
2002), 5%, 5/01/30 (f) $ 1,480 $ 1,508,424
San Jose, California, GO (Libraries, Parks and Public Safety Projects),
5%, 9/01/30 (c) 3,800 3,840,785
Sequoia, California, Unified High School District, GO, Refunding,
Series B, 5.50%, 7/01/35 (f) 5,189 5,474,879
Tustin, California, Unified School District, Senior Lien Special Tax Bonds
(Community Facilities District Number 97-1), Series A, 5%,
9/01/32 (f) 4,620 4,612,516
Tustin, California, Unified School District, Senior Lien Special Tax Bonds
(Community Facilities District Number 97-1), Series A, 5%,
9/01/38 (f) 2,915 2,927,417
31,073,958
Colorado - 3.2% Colorado Health Facilities Authority Revenue Bonds (Catholic Health),
Series C-3, 5.10%, 10/01/41 (f) 9,400 9,388,040
Florida - 10.0% Jacksonville, Florida, Health Facilities Authority, Hospital Revenue
Bonds (Baptist Medical Center Project), 5%, 8/15/37 (f) 7,740 7,669,179
Lee County, Florida, HFA, S/F Mortgage Revenue Bonds (Multi-County
Program), AMT, Series A-2, 6%, 9/01/40 (i)(j) 4,500 4,583,520
Miami-Dade County, Florida, Aviation Revenue Bonds, AMT, Series A,
5%, 10/01/33 (f) 6,730 6,321,088
Orlando, Florida, Senior Tourist Development Tax Revenue Bonds (6th
Cent Contract Payments), Series A, 5.25%, 11/01/38 (k) 4,000 4,085,560
St. Petersburg, Florida, Public Utilities, Revenue Refunding Bonds,
5%, 10/01/35 (c) 6,492 6,491,449
29,150,796
Georgia - 2.3% Augusta, Georgia, Water and Sewer Revenue Bonds,
5.25%, 10/01/34 (f) 6,290 6,552,481
Illinois - 6.6% Chicago, Illinois, O'Hare International Airport, General Airport Revenue
Refunding Bonds, Third Lien, AMT, Series A, 5%, 1/01/38 (f) 15,000 14,910,600
Chicago, Illinois, Water Revenue Refunding Bonds, Second Lien,
5.25%, 11/01/33 (f) 3,972 4,119,783
19,030,383
Massachusetts - 3.7% Massachusetts Bay Transportation Authority, Revenue Refunding Bonds,
Unrefunded Balance, Series A, 5%, 7/01/35 5,535 5,545,406
Massachusetts State School Building Authority, Dedicated Sales Tax
Revenue Bonds, Series A, 5%, 8/15/30 (f) 4,998 5,077,550
10,622,956
New Jersey - 1.0% New Jersey State Turnpike Authority, Turnpike Revenue Bonds, Series C,
5%, 1/01/30 (f) 2,998 3,049,800
New York - 2.4% New York City, New York, Sales Tax Asset Receivable Corporation
Revenue Bonds, Series A, 5.25%, 10/15/27 (a) 6,750 7,009,267
Washington - 2.4% Bellevue, Washington, GO, Refunding, 5.50%, 12/01/39 (c) 6,885 7,096,926
Total Municipal Bonds Transferred to Tender Option Bond Trusts
(Cost - $125,030,955) - 42.3% 122,974,607

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BlackRock MuniHoldings Insured Fund II, Inc. — Schedule of Investments June 30, 2008 (Unaudited) (Percentages shown are based on Net Assets)
Short-Term Securities Shares Value
Merrill Lynch Institutional Tax-Exempt Fund, 1.73% (o)(p) 7,389,380 $ 7,389,380
Total Short-Term Securities (Cost - $7,389,380) - 2.5% 7,389,380
Total Investments (Cost - $510,070,879*) - 174.5% 507,319,572
Other Assets Less Liabilities - 2.1% 6,169,080
Liability for Trust Certificates, Including Interest
Expense Payable - (26.6)% (77,419,874)
Preferred Stock at Redemption Value - (50.0)% (145,353,632)
Net Assets Applicable to Common Stock - 100.0% $ 290,715,146

* The cost and unrealized appreciation (depreciation) of investments as of June 30, 2008, as computed for federal income tax purposes, were as follows:

Aggregate cost $ 432,515,428
Gross unrealized appreciation $ 6,653,565
Gross unrealized depreciation (9,040,121)
Net unrealized depreciation $ (2,386,556)
(a) AMBAC Insured.
(b) U.S. government securities, held in escrow, are used to pay interest on this security, as well as, retire the bond in full at the date indicated, typically at a premium to par.
(c) MBIA Insured.
(d) FHA Insured.
(e) Variable rate security. Rate shown is as of report date. Maturity shown is the final maturity date.
(f) FSA Insured.
(g) FGIC Insured.
(h) Radian Insured.
(i) FHLMC Collateralized.
(j) FNMA/GNMA Collateralized.
(k) Assured Guaranty Insured.
(l) Represents a zero coupon bond. Rate shown reflects the effective yield at the time of purchase.
(m) XL Capital Insured.
(n) Securities represents bonds transferred to a tender option bond trust in exchange for which the Fund acquired residual interest certificates. These securities serve as collateral in a financing transaction.
(o) 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 Dividend
Affiliate Activity Income
Merrill Lynch Institutional Tax-Exempt Fund 7,069,063 $ 304,246
(p) Represents the current yield as of report date.

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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 MuniHoldings Insured Fund II, Inc. By: /s/ Donald C. Burke Donald C. Burke Chief Executive Officer of BlackRock MuniHoldings Insured Fund II, Inc. Date: August 22, 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 MuniHoldings Insured Fund II, Inc. Date: August 22, 2008 By: /s/ Neal J. Andrews Neal J. Andrews Chief Financial Officer (principal financial officer) of BlackRock MuniHoldings Insured Fund II, Inc. Date: August 22, 2008

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