# EDGAR Filing Document

**Accession Number:** 0000225635
**File Stem:** 0001752724-25-177760
**Filing Date:** 2025-7
**Character Count:** 38931
**Document Hash:** 38d892b4b6b922db38ebad2e984ab95a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-177760.hdr.sgml**: 20250725

**ACCESSION NUMBER**: 0001752724-25-177760

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250531

**FILED AS OF DATE**: 20250725

**DATE AS OF CHANGE**: 20250725

**PERIOD START**: 20250531

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BLACKROCK MUNICIPAL BOND FUND, INC.
- **CENTRAL INDEX KEY:** 0000225635

**ORGANIZATION NAME:**
- **EIN:** 132896246
- **STATE OF INCORPORATION:** NJ
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-02688
- **FILM NUMBER:** 251149326

**BUSINESS ADDRESS:**
- **STREET 1:** 100 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809
- **BUSINESS PHONE:** 800-441-7762

**MAIL ADDRESS:**
- **STREET 1:** 100 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MERRILL LYNCH MUNICIPAL BOND FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ONE LIBERTY MUNICIPAL BOND FUND INC
- **DATE OF NAME CHANGE:** 19780622

## Series and Classes Contracts Data

### BlackRock Impact Municipal Fund (Series ID: S000075512)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000234660 | Investor A    |  |
| C000234661 | Institutional |  |
| C000234662 | Class K       |  |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** BlackRock Municipal Bond Fund, Inc.

- **b. Investment Company Act file number:** 811-02688

- **c. CIK number of Registrant:** 0000225635

- **d. LEI of Registrant:** 549300RTFZS1V1PV8C63

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 100 Bellevue Parkway

  - **City:** Wilmington

  - **State:** DE

  - **Foreign country:** US

  - **Zip / Postal Code:** 19809

  - **Telephone number:** 800-441-7762

**Item A.2. Information about the Series.**

- **a. Name of Series:** BlackRock Impact Municipal Fund

- **b. EDGAR series identifier (if any):** S000075512

- **c. LEI of Series:** 549300VLXUF5M46N0A36

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-05-31

- **b. Date as of which information is reported:** 2025-05-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $47977845.90

**Total Liabilities:** $229115.31

**Net Assets:** $47748730.59

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 114.23000000 | **5-Year:** 20043.47000000 | **10-Year:** 11518.10000000 | **30-Year:** 13937.67000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 1158.75000000 | **10-Year:** 637.97000000 | **30-Year:** 1889.24000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000234662 | -1.85%               | -0.84%               | -0.43%               |
| Class ID C000234661 | -1.96%               | -0.84%               | -0.43%               |
| Class ID C000234660 | -1.87%               | -0.97%               | -0.35%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1612.77                | $-1091214.15                               |
| Month 2  | $-253.18                 | $-571383.51                                |
| Month 3  | $-30655.92               | $-313757.25                                |

**Designated Index Information**

- **Index Name:** Fund`s Designated Reference Portfolio is the Fund`s Securities Portfolio

- **Index Identifier:** Fund`s Designated Reference Portfolio is the Fund`s Securities Portfolio

### Schedule of Portfolio Investments

| Name                                                             | Title                                                       | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| California Community Choice Financing Authority                  | CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REVENUE | CUSIP: 13013JAX4<br>LEI: 549300X8VKJ215S2R571 | Long             | DBT              | MUN               | US        |    500000 | PA      | $501251.07    | 1.05%             | 2052-10-01      | Floating      | 4.00%                 | No            |                  2 | On Loan: No      |
| University of Massachusetts Building Authority                   | UNIV OF MASSACHUSETTS MA BLDGAUTH PROJ REVENUE              | CUSIP: 914440UF7<br>LEI: 6ILE2573NPR1XO2TR556 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $896386.26    | 1.88%             | 2046-11-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Florida Development Finance Corp                                 | FLORIDA ST DEV FIN CORP EDUCTNL FACS REVENUE                | CUSIP: 34061UKK3<br>LEI: 549300HC854CNBLMWC48 | Long             | DBT              | MUN               | US        |    500000 | PA      | $428527.30    | 0.90%             | 2042-06-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Colorado School of Mines                                         | COLORADO ST SCH OF MINES INSTNL ENTERPRISE REVENUE          | CUSIP: 19658QGD3<br>LEI: 549300TQMFMDZTM5HY46 | Long             | DBT              | MUN               | US        |    290000 | PA      | $298059.03    | 0.62%             | 2047-12-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Florida Development Finance Corp                                 | FLORIDA ST DEV FIN CORP EDUCTNL FACS REVENUE                | CUSIP: 34061UKM9<br>LEI: 549300HC854CNBLMWC48 | Long             | DBT              | MUN               | US        |    375000 | PA      | $365795.46    | 0.77%             | 2047-06-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| CSCDA Community Improvement Authority                            | CSCDA CMNTY IMPT AUTH CA ESSENTIAL HSG REVENUE              | CUSIP: 126292BG5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    250000 | PA      | $175036.91    | 0.37%             | 2057-04-01      | Fixed         | 3.25%                 | No            |                  2 | On Loan: No      |
| Michigan State Housing Development Authority                     | MICHIGAN ST HSG DEV AUTH RENTAL HSG REVENUE                 | CUSIP: 59465PEK0<br>LEI: 549300NSWW1HVXE93T03 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1005237.66   | 2.11%             | 2053-10-01      | Fixed         | 5.10%                 | No            |                  2 | On Loan: No      |
| California Community Choice Financing Authority                  | CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REVENUE | CUSIP: 13013JDR4<br>LEI: 549300X8VKJ215S2R571 | Long             | DBT              | MUN               | US        |   1440000 | PA      | $1510951.68   | 3.16%             | 2054-05-01      | Floating      | 5.00%                 | No            |                  2 | On Loan: No      |
| California School Finance Authority                              | CALIFORNIA ST SCH FIN AUTH CHRT SCH REVENUE                 | CUSIP: 13058TPU8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    125000 | PA      | $122594.00    | 0.26%             | 2042-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Michigan Finance Authority                                       | MICHIGAN ST FIN AUTH ACT 38 FACS SENIOR REVEUE              | CUSIP: 59447NBE5<br>LEI: 54930022O46HOX5J1D14 | Long             | DBT              | MUN               | US        |    110000 | PA      | $114244.81    | 0.24%             | 2057-02-28      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| New York Transportation Development Corp                         | NEW YORK ST TRANSPRTN DEV CORP SPL FAC REVENUE              | CUSIP: 650116HK5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    550000 | PA      | $542391.14    | 1.14%             | 2049-06-30      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| California Infrastructure & Economic Development Bank            | CALIFORNIA ST INFRASTRUCTURE & ECON DEV BANK REVENUE        | CUSIP: 13034A6X3<br>LEI: 549300C1OG9RDIM8ET06 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1048550.19   | 2.20%             | 2045-05-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Michigan Finance Authority                                       | MICHIGAN ST FIN AUTH REVENUE                                | CUSIP: 59447TVD2<br>LEI: 54930022O46HOX5J1D14 | Long             | DBT              | MUN               | US        |    500000 | PA      | $434427.65    | 0.91%             | 2047-02-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| North Dakota Housing Finance Agency                              | NORTH DAKOTA ST HSG FIN AGY                                 | CUSIP: 6589093K0<br>LEI: 549300DVQAGW0B16JX70 | Long             | DBT              | MUN               | US        |    365000 | PA      | $385875.92    | 0.81%             | 2054-01-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| Build NYC Resource Corp                                          | BUILD NYC RESOURCE CORP NY REVENUE                          | CUSIP: 12008EVA1<br>LEI: 549300GROJFKMNLWEK84 | Long             | DBT              | MUN               | US        |    175000 | PA      | $187220.40    | 0.39%             | 2033-07-01      | Fixed         | 5.13%                 | No            |                  2 | On Loan: No      |
| Illinois Housing Development Authority                           | ILLINOIS ST HSG DEV AUTH REVENUE                            | CUSIP: 45203MQD6<br>LEI: 54930053Z6M9JVHBQZ16 | Long             | DBT              | MUN               | US        |    195000 | PA      | $206542.11    | 0.43%             | 2053-10-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| Louisville/Jefferson County Metropolitan Government              | LOUISVILLE & JEFFERSON CNTY KY MET GOVT HOSP REVENUE        | CUSIP: 54660DAA7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $968185.20    | 2.03%             | 2047-05-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Washington Metropolitan Area Transit Authority Dedicated Revenue | WASHINGTON DC MET AREA TRANSIT AUTH DEDICATED REVENUE       | CUSIP: 93878YCS6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    250000 | PA      | $222709.68    | 0.47%             | 2047-07-15      | Fixed         | 4.13%                 | No            |                  2 | On Loan: No      |
| California Community Choice Financing Authority                  | CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REVENUE | CUSIP: 13013JEB8<br>LEI: 549300X8VKJ215S2R571 | Long             | DBT              | MUN               | US        |    150000 | PA      | $156543.08    | 0.33%             | 2055-08-01      | Floating      | 5.00%                 | No            |                  2 | On Loan: No      |
| Brevard County Health Facilities Authority                       | BREVARD CNTY FL HLTH FACS AUTH REVENUE                      | CUSIP: 107416QN2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $824211.73    | 1.73%             | 2052-04-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Pennsylvania Housing Finance Agency                              | PENNSYLVANIA ST HSG FIN AGY SF MTGE REVENUE                 | CUSIP: 70879QWL3<br>LEI: 549300JZVUPNWP77SP29 | Long             | DBT              | MUN               | US        |    875000 | PA      | $849535.00    | 1.78%             | 2049-10-01      | Fixed         | 4.75%                 | No            |                  2 | On Loan: No      |
| East Central Vermont Telecommunications District                 | EAST CENTRL VT TELECOMMUNICATIONS DIST PROJ REVENUE         | CUSIP: 271524BA7<br>LEI: 549300UHVQS0JED3EZ33 | Long             | DBT              | MUN               | US        |    115000 | PA      | $120335.74    | 0.25%             | 2046-12-01      | Fixed         | 6.88%                 | No            |                  2 | On Loan: No      |
| Connecticut State Health & Educational Facilities Authority      | CONNECTICUT ST HLTH & EDUCTNL FACS AUTH REVENUE             | CUSIP: 20775DVQ2<br>LEI: 549300ZOQJ5U8YBS5Q35 | Long             | DBT              | MUN               | US        |    180000 | PA      | $185936.02    | 0.39%             | 2048-07-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Duluth Economic Development Authority                            | DULUTH MN ECON DEV AUTH HLTH CARE FACS REVENUE              | CUSIP: 26444CKJ0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $523301.66    | 1.10%             | 2042-06-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Tennessee Housing Development Agency                             | TENNESSEE HSG DEV AGY RSDL FIN PROGRAM REVENUE              | CUSIP: 88046KQS8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $497210.35    | 1.04%             | 2050-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Ludington Area School District                                   | LUDINGTON MI AREA SCH DIST                                  | CUSIP: 549637GU4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $848448.87    | 1.78%             | 2051-05-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| City of Philadelphia PA Water & Wastewater Revenue               | PHILADELPHIA PA WTR & WSTWTR REVENUE                        | CUSIP: 717893Z79<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1046963.50   | 2.19%             | 2047-06-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Finance Authority of Maine                                       | MAINE ST FIN AUTH                                           | CUSIP: 56042BBU0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    100000 | PA      | $32750.00     | 0.07%             | 2051-12-01      | Fixed         | 8.00%                 | No            |                  2 | On Loan: No      |
| Denver City & County School District No 1                        | DENVER CITY & CNTY CO SCH DIST #1                           | CUSIP: 249174YP2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $514375.08    | 1.08%             | 2045-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Southeastern Pennsylvania Transportation Authority               | S ESTRN PA TRANSPRTN AUTH                                   | CUSIP: 842039FQ7<br>LEI: 98450061A2F3FD36E493 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1036929.78   | 2.17%             | 2047-06-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| University of Arkansas                                           | UNIV OF ARKANSAS AR UNIV REVENUE                            | CUSIP: 914073DU2<br>LEI: 549300FFADBQ3NEI2D96 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1017079.77   | 2.13%             | 2047-04-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Jefferson Parish Consolidated Sewerage District No 1             | JEFFERSON PARISH LA CONSOL SEWERAGE DIST #1 SWR REVENUE     | CUSIP: 474481AS7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $976243.21    | 2.04%             | 2039-02-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Illinois Housing Development Authority                           | ILLINOIS ST HSG DEV AUTH REVENUE                            | CUSIP: 45203MKB6<br>LEI: 54930053Z6M9JVHBQZ16 | Long             | DBT              | MUN               | US        |    290000 | PA      | $309762.58    | 0.65%             | 2052-10-01      | Fixed         | 6.25%                 | No            |                  2 | On Loan: No      |
| Louisiana Public Facilities Authority                            | LOUISIANA PUB FACS AUTH REVENUE                             | CUSIP: 546399PH3<br>LEI: 549300RQIPT5S4P4M065 | Long             | DBT              | MUN               | US        |    250000 | PA      | $231925.97    | 0.49%             | 2052-06-01      | Fixed         | 6.38%                 | No            |                  2 | On Loan: No      |
| City of Henderson KY                                             | HENDERSON KY EXEMPT FACS REVENUE                            | CUSIP: 425099AB4<br>LEI: 549300UJ32J1O26W1T80 | Long             | DBT              | MUN               | US        |    500000 | PA      | $451079.14    | 0.94%             | 2052-01-01      | Fixed         | 4.70%                 | No            |                  2 | On Loan: No      |
| Tarrant County Cultural Education Facilities Finance Corp        | TARRANT CNTY TX CULTURAL EDU FACS FIN CORP HOSP REVENUE     | CUSIP: 87638QSG5<br>LEI: 549300ROY505NVTMMI25 | Long             | DBT              | MUN               | US        |    415000 | PA      | $445282.50    | 0.93%             | 2052-11-15      | Floating      | 5.00%                 | No            |                  2 | On Loan: No      |
| New York City Housing Development Corp                           | NEW YORK CITY NY HSG DEV CORP MF HSG REVENUE                | CUSIP: 64972E3A5<br>LEI: 549300SQWVHKBRF8D702 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $986320.42    | 2.07%             | 2047-11-01      | Fixed         | 4.75%                 | No            |                  2 | On Loan: No      |
| New York Transportation Development Corp                         | NEW YORK ST TRANSPRTN DEV CORP SPL FAC REVENUE              | CUSIP: 650116HT6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    810000 | PA      | $813464.03    | 1.70%             | 2054-12-31      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| New Hampshire Business Finance Authority                         | NATIONAL FIN AUTH NH MUNI CTFS                              | CUSIP: 63607WAC8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    721322 | PA      | $699340.17    | 1.46%             | 2036-09-20      | Fixed         | 4.38%                 | No            |                  2 | On Loan: No      |
| Affordable Housing Opportunities Trust Series AH-01              | AFFORDABLE HSG OPPORTUNITIES TRUST                          | CUSIP: 00826SAD2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |     79138 | PA      | $73499.07     | 0.15%             | 2039-05-01      | Fixed         | 6.88%                 | No            |                  2 | On Loan: No      |
| Nassau County Local Economic Assistance Corp                     | NASSAU CNTY NY LOCAL ECON ASSISTANCE CORP EDL REVENUE       | CUSIP: 63165CAB8<br>LEI: 549300FCI13UFG0Y6Y37 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $997294.24    | 2.09%             | 2043-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Pennsylvania Housing Finance Agency                              | PENNSYLVANIA ST HSG FIN AGY SF MTGE REVENUE                 | CUSIP: 70879QUM3<br>LEI: 549300JZVUPNWP77SP29 | Long             | DBT              | MUN               | US        |    455000 | PA      | $486971.67    | 1.02%             | 2053-10-01      | Fixed         | 6.25%                 | No            |                  2 | On Loan: No      |
| Minnesota Housing Finance Agency                                 | MINNESOTA ST HSG FIN AGY                                    | CUSIP: 60416TYA0<br>LEI: 549300R89XDTQBK4GE22 | Long             | DBT              | MUN               | US        |    305000 | PA      | $321752.94    | 0.67%             | 2053-01-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| California Community Choice Financing Authority                  | CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REVENUE | CUSIP: 13013JDG8<br>LEI: 549300X8VKJ215S2R571 | Long             | DBT              | MUN               | US        |    360000 | PA      | $378901.45    | 0.79%             | 2054-11-01      | Floating      | 5.25%                 | No            |                  2 | On Loan: No      |
| Massachusetts Clean Water Trust/The                              | MASSACHUSETTS ST CLEAN WTR TRUST                            | CUSIP: 575829NS1<br>LEI: 549300SYPEROLSQU0261 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1577219.81   | 3.30%             | 2045-02-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Arkansas Development Finance Authority                           | ARKANSAS ST DEV FIN AUTH INDL DEV REVENUE                   | CUSIP: 04108WCE0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    300000 | PA      | $318072.08    | 0.67%             | 2048-07-01      | Fixed         | 6.88%                 | No            |                  2 | On Loan: No      |
| Arlington Higher Education Finance Corp                          | ARLINGTON TX HGR EDU FIN CORP EDU REVENUE                   | CUSIP: 0418067U8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    250000 | PA      | $183425.01    | 0.38%             | 2032-08-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| St Lucie County School Board                                     | SAINT LUCIE CNTY FL SCH BRD COPS                            | CUSIP: 792075PV9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1513951.38   | 3.17%             | 2048-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| New York Transportation Development Corp                         | NEW YORK ST TRANSPRTN DEV CORP SPL FAC REVENUE              | CUSIP: 650116GW0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $516694.87    | 1.08%             | 2044-06-30      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Arkansas Development Finance Authority                           | ARKANSAS DEV FIN AUTH ENVIRONMENTAL REVENUE                 | CUSIP: 04110FAB1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    100000 | PA      | $100540.63    | 0.21%             | 2053-05-01      | Fixed         | 5.70%                 | No            |                  2 | On Loan: No      |
| Utah Infrastructure Agency                                       | UTAH INFRASTRUCTURE AGY TELECOMUNICATION REVENUE            | CUSIP: 917467CG5<br>LEI: 549300WD2FDRNXU16V82 | Long             | DBT              | MUN               | US        |    250000 | PA      | $261235.91    | 0.55%             | 2032-10-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Arlington Higher Education Finance Corp                          | ARLINGTON TX HGR EDU FIN CORP EDU REVENUE                   | CUSIP: 0418067Q7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $509452.56    | 1.07%             | 2047-08-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| California State Public Works Board                              | CALIFORNIA ST PUBLIC WKS BRD LEASE REVENUE                  | CUSIP: 13068XFG9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $917313.00    | 1.92%             | 2045-05-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| New York Power Authority                                         | NEW YORK ST PWR AUTH GREEN TRANSMISSION PROJ REVENUE        | CUSIP: 65000XAU4<br>LEI: I5P1GEYFGGMMDOFX2L30 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $950634.84    | 1.99%             | 2042-11-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Georgia Housing & Finance Authority                              | GEORGIA ST HSG & FIN AUTH REVENUE                           | CUSIP: 37353PJP5<br>LEI: 549300I628IMF9PWV724 | Long             | DBT              | MUN               | US        |    255000 | PA      | $255546.14    | 0.54%             | 2049-06-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| BlackRock Liquidity Funds                                        | BlackRock Liquidity Funds: MuniCash, Institutional Shares   | CUSIP: 09248U841<br>LEI: 5493007YVNX55LTRQ706 | Long             | STIV             | RF                | US        |    639557 | NS      | $639620.51    | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Metropolitan Transportation Authority                            | MET TRANSPRTN AUTH NY REVENUE                               | CUSIP: 59261AD87<br>LEI: 5493000TKYODLXADQD60 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $992179.79    | 2.08%             | 2049-11-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Maryland Economic Development Corp                               | MARYLAND ST ECON DEV CORP PRIV ACTIVITY REVENUE             | CUSIP: 57422JBY3<br>LEI: 549300JJ16DDBSZWSN94 | Long             | DBT              | MUN               | US        |    715000 | PA      | $711002.89    | 1.49%             | 2047-06-30      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Commonwealth of Massachusetts Transportation Fund Revenue        | MASSACHUSETTS ST TRANSPRTN FUND REVENUE                     | CUSIP: 57604TKC9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1522874.22   | 3.19%             | 2050-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Build NYC Resource Corp                                          | BUILD NYC RESOURCE CORP NY REVENUE                          | CUSIP: 12008ETJ5<br>LEI: 549300GROJFKMNLWEK84 | Long             | DBT              | MUN               | US        |    250000 | PA      | $255410.12    | 0.53%             | 2042-06-01      | Fixed         | 5.75%                 | No            |                  2 | On Loan: No      |
| Texas State Technical College                                    | TEXAS ST TECH CLG SYS FING SYS REVENUE                      | CUSIP: 88276RFJ6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    665000 | PA      | $716600.52    | 1.50%             | 2042-08-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Arizona Industrial Development Authority                         | ARIZONA ST INDL DEV AUTH EDU REVENUE                        | CUSIP: 04052BSY1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    150000 | PA      | $146219.19    | 0.31%             | 2043-07-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Capital Projects Finance Authority/FL                            | CAPITAL PROJS FIN AUTH FL EDUCTNL FACS REVENUE              | CUSIP: 14043FAJ5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    100000 | PA      | $98614.31     | 0.21%             | 2059-06-15      | Fixed         | 6.63%                 | No            |                  2 | On Loan: No      |
| Build NYC Resource Corp                                          | BUILD NYC RESOURCE CORP NY REVENUE                          | CUSIP: 12008EUP9<br>LEI: 549300GROJFKMNLWEK84 | Long             | DBT              | MUN               | US        |    250000 | PA      | $231538.35    | 0.48%             | 2063-06-15      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Chicago Transit Authority Sales Tax Receipts Fund                | CHICAGO IL TRANSIT AUTH SALES TAX RECPTS REVENUE            | CUSIP: 16772PDN3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1200000 | PA      | $1166128.33   | 2.44%             | 2057-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| New York City Housing Development Corp                           | NEW YORK CITY NY HSG DEV CORP MF HSG REVENUE                | CUSIP: 64972E4F3<br>LEI: 549300SQWVHKBRF8D702 | Long             | DBT              | MUN               | US        |    225000 | PA      | $220957.91    | 0.46%             | 2043-11-01      | Fixed         | 4.60%                 | No            |                  2 | On Loan: No      |
| Pittsburgh Water & Sewer Authority                               | PITTSBURGH PA WTR & SWR AUTH                                | CUSIP: 725304YA1<br>LEI: 54930034DVH6W22T1E86 | Long             | DBT              | MUN               | US        |    225000 | PA      | $230096.85    | 0.48%             | 2048-09-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| New York State Housing Finance Agency                            | NEW YORK ST HSG FIN AGY AFFORDABLE HSG REVENUE              | CUSIP: 64987JH38<br>LEI: 5493000LS7KCDB02O506 | Long             | DBT              | MUN               | US        |    735000 | PA      | $735380.14    | 1.54%             | 2062-11-01      | Floating      | 3.80%                 | No            |                  2 | On Loan: No      |
| New Jersey Housing & Mortgage Finance Agency                     | NEW JERSEY ST HSG & MTGE FIN AGY REVENUE                    | CUSIP: 64613AJP8<br>LEI: 5493002ONULJL0FIGU24 | Long             | DBT              | MUN               | US        |    295000 | PA      | $318745.80    | 0.67%             | 2055-10-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Education                                       | CHICAGO IL BRD OF EDU                                       | CUSIP: 167505XJ0<br>LEI: 54930099NR6T9V7LVB43 | Long             | DBT              | MUN               | US        |    500000 | PA      | $504311.37    | 1.06%             | 2033-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Henrico County Economic Development Authority                    | HENRICO CNTY VA ECON DEV AUTH RSDL CARE FAC REVENUE         | CUSIP: 42605QHM8<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1005011.06   | 2.10%             | 2047-10-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| District of Columbia                                             | DIST OF COLUMBIA REVENUE                                    | CUSIP: 25483VZY3<br>LEI: 549300HWFOZXPKGOX654 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1105867.10   | 2.32%             | 2034-02-28      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Build NYC Resource Corp                                          | BUILD NYC RESOURCE CORP NY REVENUE                          | CUSIP: 12008ESL1<br>LEI: 549300GROJFKMNLWEK84 | Long             | DBT              | MUN               | US        |    245000 | PA      | $238689.24    | 0.50%             | 2032-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| State of Connecticut                                             | CONNECTICUT ST                                              | CUSIP: 20772KQA0<br>LEI: 5493007GRO6CU0IKP741 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1043475.19   | 2.19%             | 2042-01-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| California Infrastructure & Economic Development Bank            | CALIFORNIA ST INFRASTRUCTURE & ECON DEV BANK REVENUE        | CUSIP: 13034A6B1<br>LEI: 549300C1OG9RDIM8ET06 | Long             | DBT              | MUN               | US        |    485000 | PA      | $468040.87    | 0.98%             | 2065-01-01      | Floating      | 9.50%                 | No            |                  2 | On Loan: No      |
| City of El Paso TX Water & Sewer Revenue                         | EL PASO TX WTR & SWR REVENUE                                | CUSIP: 283822WH3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1014701.69   | 2.13%             | 2046-03-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| San Joaquin Valley Clean Energy Authority                        | SAN JOAQUIN VLY CLEAN ENERGY AUTH CA CLEAN ENERGY REVENUE   | CUSIP: 79811YAK4<br>LEI: 254900VA5DFN33OVGH87 | Long             | DBT              | MUN               | US        |    140000 | PA      | $152914.46    | 0.32%             | 2056-01-01      | Floating      | 5.50%                 | No            |                  2 | On Loan: No      |
| Port of Portland OR Airport Revenue                              | PORT OF PORTLAND OR ARPT REVENUE                            | CUSIP: 7352403J0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    410000 | PA      | $424062.66    | 0.89%             | 2048-07-01      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Camden County Improvement Authority/The                          | CAMDEN CNTY NJ IMPT AUTH SCH REVENUE                        | CUSIP: 13281PAB3<br>LEI: 549300UTQBT9ZE0QFB15 | Long             | DBT              | MUN               | US        |    115000 | PA      | $119707.36    | 0.25%             | 2047-06-15      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| Tarrant County Cultural Education Facilities Finance Corp        | TARRANT CNTY TX CULTURAL EDU FACS FIN CORP HOSP REVENUE     | CUSIP: 87638QTH2<br>LEI: 549300ROY505NVTMMI25 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1540541.84   | 3.23%             | 2045-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| CSCDA Community Improvement Authority                            | CSCDA CMNTY IMPT AUTH CA ESSENTIAL HSG REVENUE              | CUSIP: 126292AW1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    350000 | PA      | $236041.74    | 0.49%             | 2057-02-01      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-06-30

**Name of Applicant:** BlackRock Municipal Bond Fund, Inc.

**Signature:** Chuck Pulsfort

**Name of Signer:** Chuck Pulsfort

**Title:** Assistant Treasurer