# EDGAR Filing Document

**Accession Number:** 0000225635
**File Stem:** 0001752724-23-012255
**Filing Date:** 2023-1
**Character Count:** 35338
**Document Hash:** ab77e5bdfee1a956619b6b6a2a423380
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-012255.hdr.sgml**: 20230125

**ACCESSION NUMBER**: 0001752724-23-012255

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221130

**FILED AS OF DATE**: 20230125

**DATE AS OF CHANGE**: 20230125

**PERIOD START**: 20230531

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BLACKROCK MUNICIPAL BOND FUND, INC.
- **CENTRAL INDEX KEY:** 0000225635
- **IRS NUMBER:** 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:** 23551405

**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:** 2023-05-31

- **b. Date as of which information is reported:** 2022-11-30

**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:** $48557793.70

**Total Liabilities:** $1315525.33

**Net Assets:** $47242268.37

**Delayed Delivery Securities:** $741520.00

**Currency Risk Metrics (dv01):**

- 

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

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 2704.12000000 | **10-Year:** 26240.21000000 | **30-Year:** 22754.80000000

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

- **3-Month:** 6.72000000 | **1-Year:** 0.00000000 | **5-Year:** 297.43000000 | **10-Year:** 1073.86000000 | **30-Year:** 1035.95000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000234662 | -4.69%               | -1.06%               | 6.11%                |
| Class ID C000234661 | -4.69%               | -1.07%               | 6.11%                |
| Class ID C000234660 | -4.71%               | -1.09%               | 6.09%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-134463.28              | $-2707234.74                               |
| Month 2  | $-445029.52              | $-367840.28                                |
| Month 3  | $-17293.97               | $2929125.54                                |

**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        |   1500000 | PA      | $1510497.00   | 3.20%             | 2052-10-01      | Floating      | 4.00%                 | No            |                  2 | On Loan: No      |
| New York Power Authority                                                   | NEW YORK ST PWR AUTH GREEN TRANSMISSION PROJ REVENUE         | CUSIP: 65000XAR1<br>LEI: I5P1GEYFGGMMDOFX2L30 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1001327.00   | 2.12%             | 2039-11-15      | Fixed         | 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      | $969988.00    | 2.05%             | 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      | $438475.50    | 0.93%             | 2042-06-15      | Fixed         | 4.00%                 | 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      | $369387.38    | 0.78%             | 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      | $172984.75    | 0.37%             | 2057-04-01      | Fixed         | 3.25%                 | 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      | $126163.25    | 0.27%             | 2042-08-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| University of Connecticut                                                  | UNIV OF CONNECTICUT CT                                       | CUSIP: 9142333G4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1098317.00   | 2.32%             | 2039-05-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| South Carolina State Housing Finance & Development Authority               | SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE            | CUSIP: 83712DV78<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    680000 | PA      | $679308.44    | 1.44%             | 2052-01-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| New York Power Authority                                                   | NEW YORK ST PWR AUTH GREEN TRANSMISSION PROJ REVENUE         | CUSIP: 65000XAS9<br>LEI: I5P1GEYFGGMMDOFX2L30 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $994159.00    | 2.10%             | 2040-11-15      | Fixed         | 4.00%                 | 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      | $1029523.00   | 2.18%             | 2047-05-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Trade                                                     | US LONG BOND(CBT) MAR23                                      | CUSIP: 000000000<br>LEI: 549300EX04Q2QBFQTQ27 | N/A              | DIR              |  | US        |       -37 | NC      | $-45895.87    | -0.10%            |  |  |  | No            |                  1 | On Loan: No      |
| Pennsylvania Housing Finance Agency                                        | PENNSYLVANIA ST HSG FIN AGY SF MTGE REVENUE                  | CUSIP: 70879QSA2<br>LEI: 549300JZVUPNWP77SP29 | Long             | DBT              | MUN               | US        |    475000 | PA      | $481036.30    | 1.02%             | 2052-10-01      | Fixed         | 4.25%                 | 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      | $872689.00    | 1.85%             | 2052-04-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Mississippi Business Finance Corp                                          | MISSISSIPPI ST BUSINESS FIN CORP EXEPT FACS REVENUE          | CUSIP: 60528DAA6<br>LEI: 549300DYV074JUDKBQ77 | Long             | DBT              | MUN               | US        |    100000 | PA      | $100406.60    | 0.21%             | 2047-07-15      | Floating      | 7.75%                 | No            |                  2 | On Loan: No      |
| Battery Park City Authority                                                | BATTERY PARK CITY NY AUTH                                    | CUSIP: 07133AHJ4<br>LEI: 549300RF3SFDOWRHVM56 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1460847.00   | 3.09%             | 2044-11-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Ohio State University/The                                                  | OHIO ST UNIV                                                 | CUSIP: 677632E72<br>LEI: JFC10ZULKO4X2E3HBY86 | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1500000.00   | 3.18%             | 2039-12-01      | Floating      | 1.70%                 | 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      | $508078.00    | 1.08%             | 2042-06-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Trade                                                     | US 10YR NOTE (CBT)MAR23                                      | CUSIP: 000000000<br>LEI: 549300EX04Q2QBFQTQ27 | N/A              | DIR              |  | US        |       -24 | NC      | $-21342.49    | -0.05%            |  |  |  | No            |                  1 | On Loan: No      |
| Val Verde Unified School District                                          | VAL VERDE CA UNIF SCH DIST                                   | CUSIP: 91882RJS2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $930902.00    | 1.97%             | 2051-08-01      | Fixed         | 4.00%                 | 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      | $972937.00    | 2.06%             | 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      | $1109916.00   | 2.35%             | 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      | $68703.40     | 0.15%             | 2051-12-01      | Fixed         | 8.00%                 | No            |                  2 | On Loan: No      |
| Los Angeles Unified School District/CA                                     | LOS ANGELES CA UNIF SCH DIST                                 | CUSIP: 544647ET3<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $511820.50    | 1.08%             | 2037-07-01      | Fixed         | 4.00%                 | 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      | $1093233.00   | 2.31%             | 2047-06-01      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| New York City Municipal Water Finance Authority                            | NEW YORK CITY NY MUNI WTR FIN AUTH WTR & SWR SYS REVENUE     | CUSIP: 64972GZR8<br>LEI: 549300Q2EHQ6RJPQKP05 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $942053.00    | 1.99%             | 2052-06-15      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Los Angeles County Metropolitan Transportation Authority Sales Tax Revenue | LOS ANGELES CNTY CA MET TRANSPRTN AUTH SALES TAX REVENUE     | CUSIP: 54466HJT4<br>LEI: 54930051IHTXE1N9RB42 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1032111.00   | 2.18%             | 2037-06-01      | Fixed         | 4.00%                 | 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      | $1079226.00   | 2.28%             | 2047-04-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| New Hope Cultural Education Facilities Finance Corp                        | NEW HOPE CULTURAL ED FACS FIN CORP TX RETIREMENT FAC REVENUE | CUSIP: 64542UGF5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    100000 | PA      | $96223.80     | 0.20%             | 2043-10-01      | Fixed         | 6.63%                 | No            |                  2 | On Loan: No      |
| California Public Finance Authority                                        | CALIFORNIA PUBLIC FIN AUTH REVENUE                           | CUSIP: 13057EFP4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $962682.00    | 2.04%             | 2051-07-15      | Fixed         | 4.00%                 | 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      | $978462.00    | 2.07%             | 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        |    350000 | PA      | $382413.15    | 0.81%             | 2052-10-01      | Fixed         | 6.25%                 | No            |                  2 | On Loan: No      |
| Tennessee Housing Development Agency                                       | TENNESSEE HSG DEV AGY RSDL FIN PROGRAM REVENUE               | CUSIP: 8804618A9<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    200000 | PA      | $197272.60    | 0.42%             | 2052-07-01      | Fixed         | 3.75%                 | 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      | $253056.25    | 0.54%             | 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        |    250000 | PA      | $222879.75    | 0.47%             | 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      | $457734.21    | 0.97%             | 2052-11-15      | Floating      | 5.00%                 | 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        |    746146 | PA      | $714035.36    | 1.51%             | 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        |     79928 | PA      | $68769.40     | 0.15%             | 2039-05-01      | Fixed         | 6.88%                 | No            |                  3 | On Loan: No      |
| University of Utah/The                                                     | UNIV OF UTAH UT REVENUES                                     | CUSIP: 915183X77<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1504849.50   | 3.19%             | 2043-08-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Minnesota Housing Finance Agency                                           | MINNESOTA ST HSG FIN AGY                                     | CUSIP: 60416TYA0<br>LEI: 549300R89XDTQBK4GE22 | Long             | DBT              | MUN               | US        |    340000 | PA      | $369476.98    | 0.78%             | 2053-01-01      | Fixed         | 6.00%                 | No            |                  2 | On Loan: No      |
| City of Los Angeles CA Wastewater System Revenue                           | LOS ANGELES CA WSTWTR SYS REVENUE                            | CUSIP: 53945CKY5<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1419492.00   | 3.00%             | 2052-06-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| State of Oregon Housing & Community Services Department                    | OREGON ST HSG & CMNTY SVCS DEPT MTGE REVENUE                 | CUSIP: 686087T49<br>LEI: 549300N3PYWYJ0Z8N757 | Long             | DBT              | MUN               | US        |    535000 | PA      | $533681.23    | 1.13%             | 2051-07-01      | Fixed         | 4.00%                 | 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      | $247800.75    | 0.52%             | 2032-08-15      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Arizona Industrial Development Authority                                   | ARIZONA INDL DEV AUTH HOSP REVENUE                           | CUSIP: 04052EAY4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $883140.00    | 1.87%             | 2050-02-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Utah Infrastructure Agency                                                 | UTAH INFRASTRUCTURE AGY TELECOMUNICATION REVENUE             | CUSIP: 917467CG5<br>LEI: 549300WD2FDRNXU16V82 | Long             | DBT              | MUN               | US        |    250000 | PA      | $258363.75    | 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      | $520594.50    | 1.10%             | 2047-08-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Denver City & County School District No 1                                  | DENVER CITY & CNTY CO SCH DIST #1                            | CUSIP: 249174YN7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    500000 | PA      | $560200.50    | 1.19%             | 2042-12-01      | 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      | $976884.00    | 2.07%             | 2045-05-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Massachusetts Bay Transportation Authority Assessment Revenue              | MASSACHUSETTS BAY MA TRANSPRTN AUTH REVENUE                  | CUSIP: 575577NZ0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1649371.50   | 3.49%             | 2052-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| Georgia Housing & Finance Authority                                        | GEORGIA ST HSG & FIN AUTH REVENUE                            | CUSIP: 37353PJP5<br>LEI: 549300I628IMF9PWV724 | Long             | DBT              | MUN               | US        |    325000 | PA      | $332744.75    | 0.70%             | 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        |   1459328 | NS      | $1459473.94   | 3.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Metropolitan Transportation Authority                                      | MET TRANSPRTN AUTH NY REVENUE                                | CUSIP: 59261AD87<br>LEI: 5493000TKYODLXADQD60 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $960290.00    | 2.03%             | 2049-11-15      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| North Carolina Housing Finance Agency                                      | NORTH CAROLINA ST HSG FIN AGY HOMEOWNERSHIP REVENUE          | CUSIP: 658207Q65<br>LEI: EC4EE0PS5OP5O69B5C39 | Long             | DBT              | MUN               | US        |    250000 | PA      | $247182.00    | 0.52%             | 2052-07-01      | Fixed         | 3.75%                 | 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      | $735856.55    | 1.56%             | 2047-06-30      | Fixed         | 5.25%                 | No            |                  2 | On Loan: No      |
| Connecticut State Health & Educational Facilities Authority                | CONNECTICUT ST HLTH & EDUCTNL FACS AUTH REVENUE              | CUSIP: 20775DQH8<br>LEI: 549300ZOQJ5U8YBS5Q35 | Long             | DBT              | MUN               | US        |    500000 | PA      | $440757.50    | 0.93%             | 2051-07-01      | Fixed         | 4.00%                 | No            |                  2 | On Loan: No      |
| Chicago Board of Trade                                                     | US 5YR NOTE (CBT) MAR23                                      | CUSIP: 000000000<br>LEI: 549300EX04Q2QBFQTQ27 | N/A              | DIR              |  | US        |       -12 | NC      | $-10306.33    | -0.02%            |  |  |  | No            |                  1 | 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      | $742910.74    | 1.57%             | 2042-08-01      | 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      | $1204394.40   | 2.55%             | 2057-12-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| State of Connecticut                                                       | CONNECTICUT ST                                               | CUSIP: 20772KPU7<br>LEI: 5493007GRO6CU0IKP741 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $1007698.00   | 2.13%             | 2037-01-15      | Fixed         | 4.00%                 | 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      | $498952.00    | 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      | $1026378.00   | 2.17%             | 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      | $1084361.00   | 2.30%             | 2034-02-28      | Fixed         | 5.50%                 | No            |                  2 | On Loan: No      |
| Sumter County Industrial Development Authority/AL                          | SUMTER CNTY AL INDL DEV AUTH EXEMPT FACS REVENUE             | CUSIP: 86651LAA2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    100000 | PA      | $92828.10     | 0.20%             | 2052-07-15      | Floating      | 6.00%                 | No            |                  2 | On Loan: No      |
| Southern Ohio Port Authority                                               | STHRN OH PORT EXEMPT FAC REVENUE                             | CUSIP: 84355AAC6<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    200000 | PA      | $169678.00    | 0.36%             | 2042-12-01      | Fixed         | 7.00%                 | 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      | $228175.95    | 0.48%             | 2032-07-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| North Dakota Housing Finance Agency                                        | NORTH DAKOTA ST HSG FIN AGY                                  | CUSIP: 658909M37<br>LEI: 549300DVQAGW0B16JX70 | Long             | DBT              | MUN               | US        |    230000 | PA      | $229541.15    | 0.49%             | 2053-01-01      | Fixed         | 4.00%                 | 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      | $1072626.00   | 2.27%             | 2046-03-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |
| County of Miami-Dade FL Water & Sewer System Revenue                       | MIAMI-DADE CNTY FL WTR & SWR REVENUE                         | CUSIP: 59334DMR2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $940576.00    | 1.99%             | 2048-10-01      | Fixed         | 4.00%                 | 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      | $120639.14    | 0.26%             | 2047-06-15      | Fixed         | 6.00%                 | 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      | $226002.35    | 0.48%             | 2057-02-01      | Fixed         | 3.00%                 | No            |                  2 | On Loan: No      |
| Oregon State Facilities Authority                                          | OREGON ST FACS AUTH REVENUE                                  | CUSIP: 68608JZB0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    125000 | PA      | $127403.50    | 0.27%             | 2052-06-01      | Fixed         | 5.00%                 | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2022-12-29

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

**Signature:** Ann Frechette

**Name of Signer:** Ann Frechette

**Title:** Assistant Treasurer