MUI / BlackRock Municipal Income Fund, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

Муниципальный доходный фонд БлэкРок, Inc.
US ˙ NYSE ˙ US09253X1028
ЭТОТ СИМВОЛ БОЛЬШЕ НЕ АКТИВЕН

Основная статистика
LEI W7IEW9KTXVCYG8ZQQV11
CIK 1232860
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to BlackRock Municipal Income Fund, Inc.
SEC Filings (Chronological Order)
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August 20, 2025 EX-99.(A)(1)(I)

BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. c/o BlackRock Advisors, LLC 50 Hudson Yards New York, New York 10001 Offer to Purchase Up to 50% of the Issued and Outstanding Shares of Common Stock BlackRock Municipal Credit Alpha Portfolio, Inc. Ne

EX-99.(a)(1)(i) Exhibit (a)(1)(i) BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. c/o BlackRock Advisors, LLC 50 Hudson Yards New York, New York 10001 Offer to Purchase Up to 50% of the Issued and Outstanding Shares of Common Stock of BlackRock Municipal Credit Alpha Portfolio, Inc. at Net Asset Value by BlackRock Municipal Credit Alpha Portfolio, Inc. in Exchange for Cash THE OFFER TO PURCHASE A

August 20, 2025 424B3

BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated August 20, 2025 to the Prospectus of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025, as amended June 2, 2025

Filed Pursuant to Rule 424(b)(3) Registration Statement No. 333-282684 BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated August 20, 2025 to the Prospectus of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025, as amended June 2, 2025 This supplement amends certain information in the Prospectus of BlackRock Municipal Credit Alpha Portfolio, Inc. (the “Fund”), dat

August 20, 2025 EX-99.(A)(1)(II)

LETTER OF TRANSMITTAL SHARES OF COMMON STOCK BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. TENDERED PURSUANT TO THE OFFER TO PURCHASE DATED AUGUST 20, 2025

EX-99.(a)(1)(ii) Exhibit (a)(1)(ii). LETTER OF TRANSMITTAL REGARDING SHARES OF COMMON STOCK IN BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. TENDERED PURSUANT TO THE OFFER TO PURCHASE DATED AUGUST 20, 2025 The Offer will expire at, and this Letter of Transmittal must be received by, 4:00 p.m., Eastern Time, on Friday, September 19, 2025, unless the Offer is extended. If you do not want to sell

August 20, 2025 EX-99.(A)(5)

BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated August 20, 2025 to the Prospectus of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025, as amended June 2, 2025

EX-99.(a)(5) Exhibit (a)(5) BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated August 20, 2025 to the Prospectus of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025, as amended June 2, 2025 This supplement amends certain information in the Prospectus of BlackRock Municipal Credit Alpha Portfolio, Inc. (the “Fund”), dated March 26, 2025, as amended June 2, 2025.

August 20, 2025 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Municipal Credit Alpha Portfolio, Inc. (Name of Subject Company (Issuer))

SC TO-I SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Municipal Credit Alpha Portfolio, Inc. (Name of Subject Company (Issuer)) BlackRock Municipal Credit Alpha Portfolio, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Titl

August 20, 2025 EX-FILING FEES

Table 1: Transaction Valuation

Calculation of Filing Fee Tables Table 1: Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to be Paid 1 $ 140,942,399.

June 2, 2025 424B3

BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated June 2, 2025 to the Statement of Additional Information of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025, as supplemented to date

Filed Pursuant to Rule 424(b)(3) Registration File No.: 333-282684 BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated June 2, 2025 to the Statement of Additional Information of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025, as supplemented to date This supplement amends certain information in the Statement of Additional Information (“SAI”) of BlackRock Munic

June 2, 2025 424B3

BlackRock Municipal Credit Alpha Portfolio, Inc.

Filed Pursuant to Rule 424(b)(3) Registration File No.: 333-282684 PROSPECTUS BlackRock Municipal Credit Alpha Portfolio, Inc. Class  Ticker Symbol  Institutional Common Stock MUNEX Class A Common Stock XMUNX Class U Common Stock MUNUX BlackRock Municipal Credit Alpha Portfolio, Inc. (the “Fund”) is a diversified, closed‑end management investment company that operates as an “interval fund.” Invest

April 2, 2025 424B3

BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated April 1, 2025 to the Statement of Additional Information of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025

BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Filed Pursuant to Rule 424(b)(3) Registration File No.: 333-282684 BLACKROCK MUNICIPAL CREDIT ALPHA PORTFOLIO, INC. Supplement dated April 1, 2025 to the Statement of Additional Information of BlackRock Municipal Credit Alpha Portfolio, Inc., dated March 26, 2025 This supplement amends certain information in the Statement of Additional Information (

March 26, 2025 424B3

BlackRock Municipal Credit Alpha Portfolio, Inc. Class  Ticker Symbol  Institutional Common Stock MUNEX Class A Common Stock XMUNX Class U Common Stock MUNUX

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration File No.: 333-282684 PROSPECTUS BlackRock Municipal Credit Alpha Portfolio, Inc. Class  Ticker Symbol  Institutional Common Stock MUNEX Class A Common Stock XMUNX Class U Common Stock MUNUX BlackRock Municipal Credit Alpha Portfolio, Inc. (the “Fund”) is a diversified, closed-end management investment company that operates as an “inte

March 24, 2025 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on April 04, 2025, pursuant to the provisions of Rule 12d2-2 (a).

January 21, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2025 (January 20, 2025) BLACKROCK MUNICIPAL INCOME FUND, INC. (Exact Name of Registrant as Specified in Charter) Maryland 811-21348 04-3768345 (State or Other Jurisdiction

January 21, 2025 EX-10.1

STANDSTILL AGREEMENT

Exhibit 10.1 Subject to FRE 408 STANDSTILL AGREEMENT This Standstill Agreement (including the exhibits hereto, this “Agreement”) is entered into as of January 20, 2025 by and among Saba Capital Management, L.P. (“Saba”), BlackRock Municipal Income Fund, Inc. (the “Fund”) and BlackRock Advisors, LLC (the “Advisor,” and together with Saba and the Fund, the “Parties,” and each individually, a “Party”

December 13, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / BANK OF AMERICA CORP /DE/ - SC 13D/A Activist Investment

SC 13D/A 1 ef20038052sc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 4) BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of Issuer) VARIABLE RATE DEMAND PREFERRED SHARES (Title of Class of Securities) 09262J201 (CUSIP Number) Bank of America Corporation Bank of America Corporate Center 10

December 13, 2024 EX-99.1

Exhibit 99.1 JOINT FILING AGREEMENT

EX-99.1 2 ef20038224ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or an

November 19, 2024 EX-99.(A)(5)(VIII)

BlackRock Municipal Income Fund, Inc. (MUI) Announces Final Results of Tender Offer

EX-99.(A)(5)(VIII) 2 d828457dex99a5viii.htm EX-99.(A)(5)(VIII) Exhibit (a)(5)(viii) Contact: 1-800-882-0052 BlackRock Municipal Income Fund, Inc. (MUI) Announces Final Results of Tender Offer New York, November 18, 2024 – BlackRock Advisors, LLC (“BlackRock”) announced today the final results of BlackRock Municipal Income Fund, Inc. (NYSE: MUI, the “Fund”) tender offer (a “Tender Offer”) for up to

November 19, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock Municipal Income Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Pa

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock Municipal Income Fund, Inc.

November 19, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 4) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (I

SC TO-I/A 1 d828457dsctoia.htm SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 4) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (Issuer)) BlackRock Municipal Income Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Pa

November 18, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock Municipal Income Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Pa

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock Municipal Income Fund, Inc.

November 18, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 3) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 3) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (Issuer)) BlackRock Municipal Income Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class o

November 18, 2024 EX-99.(A)(5)(VII)

Shares Offered for

Exhibit (a)(5)(vii) Contact: 1-800-882-0052 BlackRock Municipal Income Fund, Inc. (MUI) Expiration and Preliminary Results of Tender Offer New York, November 15, 2024 – BlackRock Advisors, LLC (“BlackRock”) announced today the expiration and preliminary results of BlackRock Municipal Income Fund, Inc. (NYSE: MUI, the “Fund”) tender offer (a “Tender Offer”) for up to 50% of its outstanding common s

November 1, 2024 EX-99.(A)(5)(VI)

BlackRock Municipal Income Fund, Inc. (Exchange-Listed Closed-End Fund)

Exhibit (a)(5)(vi) Why am I receiving this letter? You are receiving this letter because you hold shares in BlackRock Municipal Income Fund, Inc.

November 1, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (Issuer)) BlackRock Municipal Income Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class o

November 1, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock Municipal Income Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock Municipal Income Fund, Inc.

October 24, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (I

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock Municipal Income Fund, Inc. (Name of Subject Company (Issuer)) BlackRock Municipal Income Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title

October 24, 2024 EX-99.(A)(5)(V)

Why am I receiving this letter?

Exhibit (a)(5)(v) Why am I receiving this letter? You are receiving this letter because you hold shares in BlackRock Municipal Income Fund, Inc.

October 24, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock Municipal Income Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid

EX-FILING FEES EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock Municipal Income Fund, Inc.

October 15, 2024 EX-99.(D)(4)

MUI Standstill Agreement

Exhibit (d)(4) MUI Standstill Agreement This MUI Standstill Agreement is entered into as of May 3, 2024 (this “Agreement”), by and among Karpus Management, Inc.

October 15, 2024 EX-99.(A)(1)(I)

Offer to Purchase Up to 50% of the Issued and Outstanding Shares of Common Stock BlackRock Municipal Income Fund, Inc. 98% of Net Asset Value Per Share BlackRock Municipal Income Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:

Table of Contents Exhibit (a)(1)(i) Offer to Purchase Up to 50% of the Issued and Outstanding Shares of Common Stock of BlackRock Municipal Income Fund, Inc.

October 15, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock Municipal Income Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation   Transaction   Valuation Fee   rate     Amount of   Filing Fee Fees to B

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock Municipal Income Fund, Inc.

October 15, 2024 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Municipal Income Fund, Inc. (Name of Subject Company (Issuer)) BlackRock

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Municipal Income Fund, Inc. (Name of Subject Company (Issuer)) BlackRock Municipal Income Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 0925

October 15, 2024 EX-99.(A)(1)(II)

Letter of Transmittal Regarding Shares of Common Stock of BlackRock Municipal Income Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated October 15, 2024

Exhibit (a)(1)(ii) Letter of Transmittal Regarding Shares of Common Stock of BlackRock Municipal Income Fund, Inc.

October 8, 2024 SC TO-C

As filed with the Securities and Exchange Commission on October 8, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock M

As filed with the Securities and Exchange Commission on October 8, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

October 7, 2024 SC 13G/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNICIPAL INCOME FUND - SCHEDULE 13G/A(#2) Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) * Blackrock Municipal Income Fund Inc. (Name of Issuer) Common (Title of Class of Securities) 09253X102 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to w

October 1, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 ef20036538ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or an

October 1, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / BANK OF AMERICA CORP /DE/ - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 03)* BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of issuer) VARIABLE RATE DEMAND PREFERRED SHARES (Title of Class of Securities) 09262J201 (CUSIP Number) Bank of America Corporation Bank of America Corporate Center 100 N. Tryon Street Charlotte, North Caroli

October 1, 2024 EX-99.2

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

EX-99.2 3 ef20036538ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby make, constitute, and appoint each of Marie Andre, Szabina Biro, Andres Ortiz Custodio, Kamil Dziedzic, Valerie Ezeagbo, Kelvin Kwok, Frank Lui, James Todd, Ben Tsoi, Michelle Wong, and Monica Yako as an

October 1, 2024 SC TO-C

As filed with the Securities and Exchange Commission on September 30, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRoc

SC TO-C As filed with the Securities and Exchange Commission on September 30, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

September 25, 2024 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 2)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 2)  Filed by the Registrant  ☒  Filed by a Party other than the Registrant  ☐ Check the appropriate box:     ☐   Preliminary Proxy Statement ☒   Definitive Proxy Statement ☐   Confidential, for Use of the Co

September 17, 2024 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant  ☒ Filed by a Party other than

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐   Preliminary Proxy Statement ☐   Confidential, for Use of the Commission Only (as permitted by Rule 1

September 6, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

August 28, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

August 9, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 ef20033915ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or an

August 9, 2024 SC 13D/A

US46132H6018 / Invesco California Value Municipal Income Trust - 1.049999% 2022-12-01 / BANK OF AMERICA CORP /DE/ - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 02)* BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of issuer) VARIABLE RATE DEMAND PREFERRED SHARES (Title of Class of Securities) 09262J201 (CUSIP Number) Bank of America Corporation Bank of America Corporate Center 100 N. Tryon Street Charlotte, North Caroli

August 9, 2024 EX-99.2

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

EX-99.2 3 ef20033915ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby make, constitute, and appoint each of Marie Andre, Szabina Biro, Andres Ortiz Custodio, Kamil Dziedzic, Valerie Ezeagbo, Kelvin Kwok, Frank Lui, James Todd, Ben Tsoi, Michelle Wong, and Monica Yako as an

August 7, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

July 26, 2024 CORRESP

BRUSSELS  CHICAGO  DALLAS  FRANKFURT  HOUSTON  LONDON  LOS ANGELES  MILAN MUNICH  NEW YORK  PALO ALTO  PARIS  ROME  SAN FRANCISCO  WASHINGTON

SEC Comment Response Letter 787 Seventh Avenue New York, NY 10019-6099 Tel:  212 728 8000 Fax: 212 728 8111 July 26, 2024 VIA EDGAR Mr.

July 25, 2024 CORRESP

BRUSSELS CHICAGO DALLAS FRANKFURT HOUSTON LONDON  LOS ANGELES MILAN MUNICH NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

SEC Comment Response Letter 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 July 25, 2024 VIA EDGAR John Grzeskiewicz   Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Preliminary Proxy Materials on Schedule 14A for BlackRock Municipal Income Fund, Inc.

July 25, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

July 5, 2024 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

June 7, 2024 SC TO-C

As filed with the Securities and Exchange Commission on June 7, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Muni

As filed with the Securities and Exchange Commission on June 7, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 7, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐   Preliminary Proxy Statement ☐   Definitive Proxy Statement ☐   Confidential, for Use of the Commission Only (as permit

May 23, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant   ☐ Check the appropriate box: ☐   Preliminary Proxy Statement ☐   Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐   D

May 20, 2024 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐  Preliminary Proxy Statement ☐   Confidential, for Use of the Commission Only (as permitted by Rule 14a-

May 13, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

May 10, 2024 SC 13G/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNICIPAL INCOME FUND - SCHEDULE 13G/A(#1) Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) * Blackrock Municipal Income Fund Inc. (Name of Issuer) Common (Title of Class of Securities) 09253X102 (CUSIP Number) May 8, 2024 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which th

May 7, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#5) Activist Investment

Schedule 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 5)* BlackRock Municipal Income Fund, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 09253X102 (CUSIP Number) Daniel L. Lippincott, President and Chief Investment Officer Karpus Management, Inc. d/b/a Karpus Investment Manag

May 7, 2024 EX-99.1

MUI Standstill Agreement

EX-99.1 2 exh99-118820.htm MUI STANDSTILL AGREEMENT EXHIBIT 99.1 MUI Standstill Agreement This MUI Standstill Agreement is entered into as of May 3, 2024 (this “Agreement”), by and among Karpus Management, Inc., doing business as Karpus Investment Management (“Karpus”), BlackRock Advisors, LLC (the “Manager”) and BlackRock Municipal Income Fund, Inc. (the “Fund”). Karpus, the Manager and the Fund

May 6, 2024 SC TO-C

As filed with the Securities and Exchange Commission on May 3, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Munic

SC TO-C As filed with the Securities and Exchange Commission on May 3, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

May 6, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934  Filed by the Registrant  ☒  Filed by a Party other than the Registrant 

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934  Filed by the Registrant  ☒  Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐  Preliminary Proxy Statement ☐  Definitive Proxy Statement ☐    Confidential, for Use of the Commission Only (as permi

April 25, 2024 CORRESP

BRUSSELS CHICAGO FRANKFURT HOUSTON LONDON LOS ANGELES MILAN MUNICH NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

CORRESP 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 April 25, 2024 VIA EDGAR David Orlic   Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Preliminary Proxy Materials on Schedule 14A for the Registrants listed on Appendix A hereto      Dear Mr.

April 9, 2024 PREC14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☒  Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-

March 6, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#4) Activist Investment

Schedule 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 4)* BlackRock Municipal Income Fund, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 09253X102 (CUSIP Number) Daniel L. Lippincott, President and Chief Investment Officer Karpus Management, Inc. d/b/a Karpus Investment Manag

March 6, 2024 EX-99.1

JOINT FILING AND SOLICITATION AGREEMENT

EX-99.1 2 exh99-118788.htm JOINT FILING AND SOLICITATION AGREEMENT EXHIBIT 99.1 JOINT FILING AND SOLICITATION AGREEMENT WHEREAS, certain of the undersigned are stockholders, direct or beneficial, of BlackRock Municipal Income Fund, Inc., a Maryland corporation (the “Company”); WHEREAS, Karpus Investment Management Profit Sharing Plan Fund B – Conservative Bond Fund and Karpus Management, Inc. (col

February 28, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#3) Activist Investment

SC 13D/A 1 karpus-sch13d18788.htm KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#3) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* BlackRock Municipal Income Fund, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 09253X102 (CUSIP Number) Daniel L. Lipp

February 28, 2024 EX-99.1

JOINT FILING AND SOLICITATION AGREEMENT

EX-99.1 2 exh99-118788.htm JOINT FILING AND SOLICITATION AGREEMENT BY AND AMONG KARPUS MANAGEMENT, INC., KARPUS INVESTMENT MANAGEMENT PROFIT SHARING PLAN FUND B - CONSERVATIVE BOND FUND, DANIEL C. ROBESON AND ARTHUR CHARLES REGAN DATED FEBRUARY 27, 2024. EXHIBIT 99.1 JOINT FILING AND SOLICITATION AGREEMENT WHEREAS, certain of the undersigned are stockholders, direct or beneficial, of BlackRock Mun

January 19, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#2) Activist Investment

SC 13D/A 1 karpus-sch13d18788.htm KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#2) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock Municipal Income Fund, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 09253X102 (CUSIP Number) Daniel L. Lipp

January 19, 2024 EX-2

EX-2

EX-2 2 exh-218788.htm LETTER TO THE SECRETARY DATED JANUARY 18, 2024 EXHIBIT 2

January 8, 2024 SC 13D/A

MUI / BlackRock Municipal Income Fund, Inc. / Karpus Management, Inc. - KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#1) Activist Investment

SC 13D/A 1 karpus-sch13d18788.htm KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D/A(#1) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* BlackRock Municipal Income Fund, Inc. (Name of Issuer) Common Shares (Title of Class of Securities) 09253X102 (CUSIP Number) Daniel L. Lipp

January 8, 2024 EX-1

EX-1

EX-1 2 exh-118788.htm LETTER TO THE BOARD DATED JANUARY 5, 2024 EXHIBIT 1

November 7, 2023 SC 13D

MUI / BlackRock Municipal Income Fund Inc / Karpus Management, Inc. - KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D Activist Investment

SC 13D 1 karpus-sch13d18764.htm KARPUS MANAGEMENT / BLACKROCK MUNICIPAL INCOME FUND, INC. - SCHEDULE 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2(a) BlackRock Municipal Income Fund, Inc. (Name of Issuer) Common Sha

July 13, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ C

BlackRock Municipal Income Fund, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐   Preliminary Proxy Statement ☐    Confidential, for Use of the Commission Only (as

June 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐    Preliminary Proxy Statement ☐   Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐    De

May 23, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 d499976ddef14a.htm BCAT/BMEZ/MUI NOTICE & PROXY (DEF14A) Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confide

May 8, 2023 PREC14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

BLACKROCK MUNICIPAL INCOME FUND, INC. Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commiss

January 10, 2023 SC 13G

MUI / Blackrock Muni Intermediate Drtn Fnd Inc / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNICIPAL INCOME FUND - SCHEDULE 13G Passive Investment

SC 13G 1 karpus-sch13g18686.htm KARPUS INVESTMENT MGT / BLACKROCK MUNICIPAL INCOME FUND - SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.    ) * Blackrock Municipal Income Fund Inc. (Name of Issuer) Common (Title of Class of Securities) 09253X102 (CUSIP Number) December 31, 2022 (Date of Even

December 27, 2022 NPORT-EX

Schedule of Investments

NPORT-EX 2 NPORT89D5992651981022.htm Schedule of Investments (unaudited) October 31, 2022 BlackRock Municipal Income Fund, Inc. (MUI) (Percentages shown are based on Net Assets) Security Par (000) Value Municipal Bonds Alabama — 2.4% Alabama Special Care Facilities Financing Authority-Birmingham Alabama, Refunding RB, Series C, 5.00%, 11/15/46 $ 4,200 $ 4,116,932 Southeast Energy Authority A Coope

July 29, 2022 POS EX

As filed with the Securities and Exchange Commission on July 29, 2022

POS EX 1 d382151dposex.htm BLACKROCK MUNICIPAL INCOME FUND INC As filed with the Securities and Exchange Commission on July 29, 2022 Securities Act File No. 333-260149 Investment Company Act File No. 811-21348 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Pre-Effective Amendment No. ☐ Post-Effective Amendment No. 1 ☒ (Ch

July 29, 2022 EX-99.12

Tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization of BlackRock MuniHoldings Investment Quality Fund and the Registrant – filed herewith.

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 April 11, 2022 BlackRock MuniHoldings Investment Quality Fund BlackRock Municipal Income Fund, Inc.

June 3, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 d316120ddef14a.htm CLASSIFIED FUND N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of

May 4, 2022 SC 13G/A

MUI / Blackrock Muni Intermediate Drtn Fnd Inc / JPMorgan Chase Bank, N.A. - SC 13G/A Passive Investment

SC 13G/A 1 d267974dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253X888 (CUSIP Number) April 22, 2022 (Date of Event Which Requires Filing of this Sta

April 13, 2022 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including a

April 13, 2022 EX-99.2

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

Exhibit 99.2 BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby make, constitute, and appoint Michael Jentis as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation's name, place and stead, for the Corporation's use and benefit, to bind the Corporation by his execution of th

April 13, 2022 SC 13D/A

MUI / Blackrock Muni Intermediate Drtn Fnd Inc / BANK OF AMERICA CORP /DE/ - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of Issuer) VARIABLE RATE DEMAND PREFERRED SHARES (Title of Class of Securities) 09262J201 (CUSIP Number) Bank of America Corporation Bank of America Corporate Center 100 North Tryon Street Charlotte, North Caro

April 11, 2022 425

BlackRock Announces Closing of Reorganization of Two Municipal Closed-End Funds

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No. 333-260149 Date: April 11, 2022 Contact: 1-800-882-0052 BlackRock Announces Closing of Reorganization of Two Municipal Closed-End Funds New York

April 8, 2022 EX-99.5

VRDP SHARES FEE AGREEMENT dated as of April 7, 2022 BLACKROCK MUNICIPAL INCOME FUND, INC. as Issuer BANK OF AMERICA, N.A. as Liquidity Provider BlackRock Municipal Income Fund, Inc. Series W-7 Variable Rate Demand Preferred Shares TABLE OF CONTENTS

Exhibit 99.5 VRDP SHARES FEE AGREEMENT dated as of April 7, 2022 between BLACKROCK MUNICIPAL INCOME FUND, INC. as Issuer and BANK OF AMERICA, N.A. as Liquidity Provider BlackRock Municipal Income Fund, Inc. Series W-7 Variable Rate Demand Preferred Shares TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 SECTION 1.01 Definitions. 2 SECTION 1.02 Incorporation of Certain Definitions by Reference. 17 AR

April 8, 2022 EX-99.6

BLACKROCK MUNICIPAL INCOME FUND, INC. BOFA SECURITIES, INC. VRDP SHARES REMARKETING AGREEMENT Dated as of April 7, 2022 VRDP SHARES REMARKETING AGREEMENT

Exhibit 99.6 BLACKROCK MUNICIPAL INCOME FUND, INC. AND BOFA SECURITIES, INC. VRDP SHARES REMARKETING AGREEMENT Dated as of April 7, 2022 VRDP SHARES REMARKETING AGREEMENT This VRDP SHARES REMARKETING AGREEMENT, dated as of April 7, 2022 (this ?Agreement?), by and among BlackRock Municipal Income Fund, Inc., a diversified, closed-end investment company organized as Maryland corporation (the ?Fund?)

April 8, 2022 EX-99.1

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule or regulation thereunder (including a

April 8, 2022 SC 13D

MUI / Blackrock Muni Intermediate Drtn Fnd Inc / BANK OF AMERICA CORP /DE/ - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. n/a )* BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of Issuer) VARIABLE RATE DEMAND PREFERRED SHARES (Title of Class of Securities) 09262J201 (CUSIP Number) Bank of America Corporation Bank of America Corporate Center 100 North Tryon Street Charlotte, North C

April 8, 2022 EX-99.3

VOTING TRUST AGREEMENT

Exhibit 99.3 Execution Version VOTING TRUST AGREEMENT THIS VOTING TRUST AGREEMENT (this ?Agreement?) is made and entered into effective for all purposes and in all respects as of April 7, 2022 by and among Banc of America Preferred Funding Corporation, a Delaware corporation, including its successors and assigns by operation of law (?PFC? or the ?Purchaser?) and Newport Trust Company, as trustee (

April 8, 2022 EX-99.2

BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY

Exhibit 99.2 BANK OF AMERICA CORPORATION LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the "Corporation"), does hereby make, constitute, and appoint Michael Jentis as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation's name, place and stead, for the Corporation's use and benefit, to bind the Corporation by his execution of th

April 8, 2022 EX-99.4

VRDP SHARES PURCHASE AGREEMENT dated as of April 7, 2022 The Bank of New York Mellon, as Tender and Paying Agent BANK OF AMERICA, N.A., as Liquidity Provider BLACKROCK MUNICIPAL INCOME FUND, INC. Series W-7 Variable Rate Demand Preferred Shares

Exhibit 99.4 VRDP SHARES PURCHASE AGREEMENT dated as of April 7, 2022 between The Bank of New York Mellon, as Tender and Paying Agent and BANK OF AMERICA, N.A., as Liquidity Provider BLACKROCK MUNICIPAL INCOME FUND, INC. Series W-7 Variable Rate Demand Preferred Shares TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 SECTION 1.01. Definitions. 2 SECTION 1.02. Incorporation of Certain Definitions by

March 29, 2022 N-23C-2/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 NOTIFICATION OF REDEMPTION OF SECURITIES PURSUANT TO RULE 23c-2 UNDER THE INVESTMENT COMPANY ACT OF 1940 Investment Company Act File No. 811-21348 BLACKROCK MUNICIPAL INCOME FUND, INC. (Name of

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 NOTIFICATION OF REDEMPTION OF SECURITIES PURSUANT TO RULE 23c-2 UNDER THE INVESTMENT COMPANY ACT OF 1940 Investment Company Act File No.

March 29, 2022 NPORT-EX

Schedule of Investments

BlackRock Municipal Income Fund Schedule of Investments (unaudited) January 31, 2022 BlackRock Municipal Income Fund, Inc.

March 18, 2022 425

BlackRock Announces Special Distributions Related to the Reorganization of Two Municipal Closed-End Funds

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No. 333-260149 Date: March 18, 2022 Contact: 1-800-882-0052 BlackRock Announces Special Distributions Related to the Reorganization of Two Municipal

March 4, 2022 425

BlackRock Announces Results of Shareholder Vote at Adjourned Joint Special Shareholder Meeting Relating to the Reorganizations of Two Municipal Closed-End Funds

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No. 333-260149 Date: March 4, 2022 Contact: 1-800-882-0052 BlackRock Announces Results of Shareholder Vote at Adjourned Joint Special Shareholder Me

February 24, 2022 425

Filed by BlackRock Municipal Income Fund, Inc.

425 1 d290091d425.htm BR MUNIHOLDINGS INVESTMENT QUALITY FUND (VOICE MAIL) Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No. 333-260149 Date: February 24, 2022 Computershare Voicemail Script Hel

February 24, 2022 425

VERY IMPORTANT

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No. 333-260149 Date: February 24, 2022 VERY IMPORTANT Re: Your investment in one or more BlackRock Closed-end Funds Dear Valued BlackRock Fund Share

February 7, 2022 425

BlackRock Announces Results of Joint Special Shareholder Meeting Relating to the Reorganizations of Two Municipal Closed-End Funds

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No.: 333-260149 Date: February 4, 2022 Contact: 1-800-882-0052 BlackRock Announces Results of Joint Special Shareholder Meeting Relating to the Reor

February 7, 2022 425

BLACKROCK FUND MERGERS

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No.: 333-260149 Date: February 7, 2022 BLACKROCK FUND MERGERS SHAREHOLDER APPROVAL REQUIRED MAKE YOUR VOICE HEARD - PLEASE VOTE NOW BlackRock MuniHo

January 26, 2022 425

BLACKROCK FUND MERGERS

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No.: 333-260149 Date: January 26, 2022 BLACKROCK FUND MERGERS SHAREHOLDER APPROVAL REQUIRED MAKE YOUR VOICE HEARD - PLEASE VOTE NOW BlackRock MuniHo

January 20, 2022 425

VERY IMPORTANT

425 1 d269617d425.htm BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No.: 333-260149 Date: January 20, 2022 PO Box 808001 Louisville, KY 40233-8001

January 19, 2022 425

Filed by BlackRock Municipal Income Fund, Inc.

Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No.: 333-260149 Date: January 19, 2022

January 5, 2022 425

IMPORTANT NOTICE PLEASE VOTE NOW FOR THE MERGER Shareholder Approval is Required BlackRock MuniHoldings Investment Quality Fund (“MFL”) BlackRock Municipal Income Fund, Inc. (“MUI”)

425 1 d253746d425.htm BLACKROCK MUNICIPAL INCOME FUND, INC.(MUI) Filed by BlackRock Municipal Income Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund File No. 333-260149 Date: January 5, 2022 IMPORTANT NOTICE PLEASE VOTE NOW FOR THE MERGE

December 22, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 d236212ddef14a.htm BR MUNICIPAL INCOME FUND INC (MUI) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the

December 22, 2021 CORRESP

BRUSSELS CHICAGO FRANKFURT HOUSTON LONDON LOS ANGELES MILAN NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 December 22, 2021 VIA EDGAR David Orlic Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Proxy Materials on Schedule 14A for the Registrants listed on Appendix A hereto (collectively, the ?Funds?) Dear Mr.

December 17, 2021 424B3

BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND BLACKROCK MUNICIPAL INCOME FUND, INC. 100 Bellevue Parkway Wilmington, Delaware 19809 (800) 882-0052

424B3 1 d234564d424b3.htm BR MUNI INCOME FUND, INC. BLACKROCK MUNIHOLDINGS INVESTMENT QUALITY FUND BLACKROCK MUNICIPAL INCOME FUND, INC. 100 Bellevue Parkway Wilmington, Delaware 19809 (800) 882-0052 December 17, 2021 Dear Common Shareholder: You are cordially invited to attend a joint special shareholder meeting (the “Special Meeting”) of BlackRock MuniHoldings Investment Quality Fund (“MFL”) and

December 16, 2021 EX-99.1(R)

Articles of Amendment dated September 28, 2021, are incorporated herein by reference to Exhibit (1)(r) to the Registrant’s Registration Statement on Form N-14 (File No. 333-26049) filed on December 16, 2021.

Exhibit 1(r) BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES OF AMENDMENT BlackRock Muni Intermediate Duration Fund, Inc., a Maryland corporation (the ?Corporation?), does hereby certify to the State Department of Assessments and Taxation of the State of Maryland that: FIRST: The charter of the Corporation (the ?Charter?) is hereby amended by deleting Article I in its entirety and inserti

December 16, 2021 EX-99.11

Opinion and Consent of Special Counsel for the Registrant are incorporated herein by reference to Exhibit (11) to the Registrant’s Registration Statement on Form N-14 (File No. 333-26049) filed on December 16, 2021.

EX-99.11 11 d234564dex9911.htm OPINION AND CONSENT OF SPECIAL COUNSEL FOR THE REGISTRANT Exhibit (11) December 15, 2021 BlackRock Municipal Income Fund, Inc. 55 East 52nd Street New York, New York 10055 Ladies and Gentlemen: We have acted as special Maryland counsel to BlackRock Municipal Income Fund, Inc., a Maryland corporation (the “Company”), in connection with the Company’s Registration State

December 16, 2021 EX-99.1(J)

Articles of Amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares dated April 13, 2016, are incorporated herein by reference to Exhibit (1)(j) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on December 16, 2021.

EX-99.1(J) 5 d234564dex991j.htm ARTICLES OF AMENDMENT TO THE ARTICLES SUPPLEMENTARY Exhibit (1)(j) BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES OF AMENDMENT AMENDING THE ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES This is to certify that First: The charter of BlackRock Muni Intermediate Duration Fund, Inc., a Mar

December 16, 2021 EX-99.1(H)

Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Demand Preferred Shares dated December 6, 2012, are incorporated herein by reference to Exhibit (1)(h) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on December 16, 2021.

Exhibit (1)(h) BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES TABLE OF CONTENTS Page DESIGNATION 1 DEFINITIONS 2 TERMS 19 1. Number of Authorized Shares 19 (a) Authorized Shares 19 (b) Capitalization 19 2. Dividends 19 (a) Ranking 19 (b) Cumulative Cash Dividends 19 (c) Dividends

December 16, 2021 EX-99.1(E)

Articles of Amendment to the Articles of Incorporation dated September 14, 2006, are incorporated herein by reference to Exhibit (1)(e) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on December 16, 2021.

Exhibit (1)(e) MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES OF AMENDMENT Muni Intermediate Duration Fund, Inc., a Maryland corporation (the ?Corporation?), does hereby certify to the State Department of Assessments and Taxation of Maryland that: FIRST: The name of the corporation is Muni Intermediate Duration Fund, Inc. SECOND: The charter of the Corporation is hereby amended by deleting Article

December 16, 2021 EX-99.17

Form of Proxy Card for Common Shares of the Funds — filed herewith.

Exhibit (17) EVERY SHAREHOLDER’S VOTE IS IMPORTANT! EASY VOTING OPTIONS: VOTE ON THE INTERNET Log on to: www.

December 16, 2021 EX-99.1(B)

Articles Supplementary creating one series of Auction Market Preferred Stock, dated August 1, 2005, are incorporated herein by reference to Exhibit (1)(b) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on December 16, 2021

Exhibit (1)(b) MUNI INTERMEDIATE DURATION FUND, INC. Articles Supplementary creating one series of Auction Market Preferred Stock MUNI INTERMEDIATE DURATION FUND, INC., a Maryland corporation having its principal Maryland office in the City of Baltimore (the ?Corporation?), certifies to the State Department of Assessments and Taxation of Maryland that: FIRST: Pursuant to authority expressly vested

December 16, 2021 EX-99.1(Q)

Articles Supplementary dated November 18, 2021, are incorporated herein by reference to Exhibit (1)(q) to the Registrant’s Registration Statement on Form N-14 (File No. 333-26049) filed on December 16, 2021.

Exhibit (1)(q) BLACKROCK MUNICIPAL INCOME FUND, INC. ARTICLES SUPPLEMENTARY BlackRock Municipal Income Fund, Inc., a Maryland corporation (the ?Company?), hereby certifies to the State Department of Assessments and Taxation of the State of Maryland (the ?SDAT?) that: FIRST: Under a power contained in Title 3, Subtitle 8 of the Maryland General Corporation Law (the ?MGCL?), by resolutions duly adop

December 16, 2021 N-14 8C/A

As filed with the Securities and Exchange Commission on December 15, 2021

As filed with the Securities and Exchange Commission on December 15, 2021 Securities Act File No.

December 16, 2021 EX-99.3

Voting Trust Agreement of VMTP Holder — filed herewith.

Exhibit (3) Execution Copy VOTING TRUST AGREEMENT THIS VOTING TRUST AGREEMENT (this ?Agreement?) is made and entered into effective for all purposes and in all respects as of December 7, 2012 by and among Lord Securities Corporation, as trustee (the ?Trustee? or any successor thereto), JPMorgan Chase Bank, National Association, a national banking association, including its successors and assigns by operation of law (?JPMorgan? or the ?Purchaser?) and Institutional Shareholder Services Inc.

December 16, 2021 EX-99.12

Form of tax opinion of Willkie Farr & Gallagher LLP regarding the reorganization of BlackRock MuniHoldings Investment Quality Fund and the Registrant — filed herewith.

Exhibit (12) 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 [?], 2021 BlackRock MuniHoldings Investment Quality Fund BlackRock Municipal Income Fund, Inc.

December 16, 2021 EX-99.6(A)

Investment Management Agreement between the Registrant and BlackRock Advisors, LLC dated September 29, 2006 — filed herewith.

Exhibit 6(a) INVESTMENT MANAGEMENT AGREEMENT AGREEMENT, dated September 29, 2006, between BlackRock Muni Intermediate Duration Fund, Inc.

December 16, 2021 EX-99.1(P)

Articles of Amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares dated September 28, 2021, are incorporated herein by reference to Exhibit (1)(p) to the Registrant’s Registration Statement on Form N-14 (File No. 333-26049) filed on December 16, 2021.

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES OF AMENDMENT BlackRock Muni Intermediate Duration Fund, Inc., a Maryland corporation (the ?Corporation?), does hereby certify to the State Department of Assessments and Taxation of the State of Maryland that: FIRST: The charter of the Corporation (the ?Charter?) is hereby amended by deleting Article I in its entirety and inserting in lieu th

December 16, 2021 EX-99.14

Consent of the Independent Registered Public Accounting Firm for the Registrant and BlackRock MuniHoldings Investment Quality Fund — filed herewith.

Exhibit (14) CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement No.

December 15, 2021 CORRESP

BRUSSELS CHICAGO FRANKFURT HOUSTON LONDON LOS ANGELES MILAN NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

CORRESP 1 filename1.htm 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 December 15, 2021 VIA EDGAR John Grzeskiewicz David Manion Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Registration Statements on Form N-14 of BlackRock MuniHoldings California Quality Fund, Inc. (Securities Act File No. 333-26014

December 10, 2021 COVER

BRUSSELS CHICAGO FRANKFURT HOUSTON LONDON LOS ANGELES MILAN NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 December 10, 2021 VIA EDGAR Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: Preliminary Proxy Materials for BlackRock Municipal Income Fund, Inc.

December 10, 2021 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

BR Municipal Income Fund Inc (MUI) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

November 2, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2021 (November 2, 2021) BLACKROCK MUNICIPAL INCOME FUND, INC. (Exact Name of Registrant as Specified in Charter) MARYLAND 811-21348 04-3768345 (State or Other Jurisdiction

November 2, 2021 EX-99.(99)(1)

Class III (Term expires 2022)

Exhibit 99.1 Class III (Term expires 2022) Richard E. Cavanagh Cynthia L. Egan Robert Fairbairn Stayce D. Harris Class I (Term expires 2023) Michael J. Castellano R. Glenn Hubbard W. Carl Kester* John M. Perlowski Lorenzo A. Flores Class II (Term expires 2024) Karen P. Robards Frank J. Fabozzi* Catherine A. Lynch J. Phillip Holloman * Holders of preferred shares are entitled to vote as a separate

November 2, 2021 EX-99.(3)(1)

BLACKROCK MUNICIPAL INCOME FUND, INC. AMENDED AND RESTATED Effective as of November 2, 2021 TABLE OF CONTENTS Page ARTICLE I. SHAREHOLDER MEETINGS Section 1. Chair 3 Section 2. Annual Meetings of Shareholders 3 Section 3. Special Meetings of Sharehol

Exhibit 3.1 BLACKROCK MUNICIPAL INCOME FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of November 2, 2021 TABLE OF CONTENTS Page ARTICLE I. SHAREHOLDER MEETINGS Section 1. Chair 3 Section 2. Annual Meetings of Shareholders 3 Section 3. Special Meetings of Shareholders 3 Section 4. Place of Meetings 4 Section 5. Notice of Meetings 4 Section 6. Nature of Business at Annual Meetings of Sharehold

October 28, 2021 SC 13G/A

MUI / Blackrock Muni Intermediate Drtn Fnd Inc / MACKAY SHIELDS LLC - MACKAY SHIELDS LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock Muni Intermediate Duration Fund Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 09253X102 (CUSIP Number) October 28, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule

October 8, 2021 COVER

BRUSSELS CHICAGO FRANKFURT HOUSTON LONDON LOS ANGELES MILAN NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

SEC Transmittal Letter 787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 October 8, 2021 VIA EDGAR Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Re: BlackRock Municipal Income Fund, Inc.

October 8, 2021 N-14 8C

As filed with the Securities and Exchange Commission on October 8, 2021

BR MUNI INCOME FUND, INC. As filed with the Securities and Exchange Commission on October 8, 2021 Securities Act File No. 333- Investment Company Act File No. 811-21348 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ☐ Pre-Effective Amendment No. ☐ Post-Effective Amendment No. (Check appropriate box or boxes) BLACKROCK MUN

October 8, 2021 EX-99.16

Power of Attorney is incorporated herein by reference to Exhibit (16) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Power of Attorney Exhibit (16) POWER OF ATTORNEY The undersigned, Michael J. Castellano, Richard E. Cavanagh, Cynthia L. Egan, Frank J. Fabozzi, Lorenzo A. Flores, Stayce D. Harris, J. Phillip Holloman, R. Glenn Hubbard, W. Carl Kester, Catherine A. Lynch, Karen P. Robards, Robert W. Fairbairn and John M. Perlowski, Directors of each of BlackRock Muni Intermediate Duration Fund, Inc. (“MUI”), Blac

October 8, 2021 EX-99.6(E)

Amendment No. 3 to Amended and Restated Master Advisory Fee Waiver Agreement is incorporated herein by reference to Exhibit 6(e) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (6)(e) Amendment No. 3 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 3 (this “Amendment”) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this [●] day of [●], 2021, by and among BlackRock Advisors, LLC (the “Adviser”) and each investment company listed on Schedule A attached hereto (ea

October 8, 2021 EX-99.13(B)

Form of Administration and Accounting Services Agreement is incorporated herein by reference to Exhibit (13)(b) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (13)(b) ADMINISTRATION AND FUND ACCOUNTING SERVICES AGREEMENT Between Each BlackRock Management Investment Company Listed in Schedule A And State Street Bank and Trust Company Dated as of December 31, 2018 TABLE OF CONTENTS Page 1.

October 8, 2021 EX-99.6(F)

Amendment No. 4 to Amended and Restated Master Advisory Fee Waiver Agreement is incorporated herein by reference to Exhibit 6(f) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (6)(f) Amendment No. 4 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 4 (this “Amendment”) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this 24th day of March, 2021, by and among BlackRock Advisors, LLC (the “Adviser”) and each investment company listed on Schedule A attached hereto

October 8, 2021 EX-99.6(B)

Form of Amended and Restated Master Advisory Fee Waiver Agreement is incorporated herein by reference to Exhibit 6(b) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Form of Amended and Restated Master Advisory Fee Waiver Agreement Exhibit (6)(b) Amended and Restated Master Advisory Fee Waiver Agreement This AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT (this “Agreement”) is made as of December 1, 2019, by and among BlackRock Advisors, LLC (the “Adviser”) and each investment company listed on Schedule A attached hereto (each, a “Fund”).

October 8, 2021 EX-99.13(A)

Form of Amended and Restated Transfer Agency and Service Agreement is incorporated herein by reference to Exhibit (13)(a) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (13)(a) Amended and Restated Transfer Agency and Service Agreement Among Each of the BlackRock Closed-End Investment Companies Listed Herein on Appendix A and Computershare Trust Company, N.

October 8, 2021 EX-99.9

Form of Master Custodian Agreement is incorporated herein by reference to Exhibit (9) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (9) MASTER CUSTODIAN AGREEMENT Between Each BlackRock Entity Listed in Appendix A And State Street Bank and Trust Company Dated as of December 31, 2018 TABLE OF CONTENTS Page 1.

October 8, 2021 EX-99.6(D)

Amendment No. 2 to Amended and Restated Master Advisory Fee Waiver Agreement is incorporated herein by reference to Exhibit 6(d) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (6)(d) Amendment No. 2 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 2 (this “Amendment”) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this 18th day of September, 2020, by and among BlackRock Advisors, LLC (the “Adviser”) and each investment company listed on Schedule A attached her

October 8, 2021 EX-99.13(C)

Form of Seventh Amended and Restated Securities Lending Agreement — filed herewith.

Exhibit (13)(c) SEVENTH AMENDED AND RESTATED SECURITIES LENDING AGENCY AGREEMENT This Seventh Amended and Restated Agreement, dated as of January 1, 2021, between each investment company, severally and not jointly, identified on Schedule A, as such schedule may be amended from time to time (each a “Client”), acting on behalf of itself or the funds listed on Schedule A hereto and any future series of a Client (each, a “Fund”), by and through BlackRock Advisors, LLC (“BlackRock”), not in its individual capacity but as agent and investment advisor, and BlackRock Investment Management, LLC (the “Lending Agent”), a Delaware limited liability company.

October 8, 2021 EX-99.6(C)

Amendment No. 1 to Amended and Restated Master Advisory Fee Waiver Agreement is incorporated herein by reference to Exhibit 6(c) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Amendment No. 1 to Amended and Restated Master Advisory Fee Waiver Agreement Exhibit (6)(c) Amendment No. 1 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 1 (this “Amendment’’) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this 24th day of January, 2020, by and among BlackRock Advisors, LLC (

October 8, 2021 EX-99.8

Form of BlackRock Fixed-Income Complex Third Amended and Restated Deferred Compensation Plan is incorporated herein by reference to Exhibit (8) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Form of BR Fixed Income Complex 3rd Amended & Restated Deferred Compenstion Plan Exhibit (8) THE BLACKROCK FUND COMPLEX THIRD AMENDED AND RESTATED DEFERRED COMPENSATION PLAN (Effective as of January 1, 2019) The purpose of the BlackRock Fund Complex Third Amended and Restated Deferred Compensation Plan (the “Plan”) is to provide eligible trustees of Participating Funds the opportunity to defer the receipt of all or a portion of the amounts payable to them as compensation for services rendered as members of the Board of the respective funds.

October 8, 2021 EX-99.6(G)

Amendment No. 5 to Amended and Restated Master Advisory Fee Waiver Agreement is incorporated herein by reference to Exhibit 6(g) to the Registrant’s Registration Statement on Form N-14 (File No. 333-260149) filed on October 8, 2021.

Exhibit (6)(g) Amendment No. 5 to Amended and Restated Master Advisory Fee Waiver Agreement This AMENDMENT NO. 5 (this “Amendment”) to the Amended and Restated Master Advisory Fee Waiver Agreement dated December 1, 2019 (the “Agreement”) is made as of this [●] day of [●], 2021, by and among BlackRock Advisors, LLC (the “Adviser”) and each investment company listed on Schedule A attached hereto (ea

September 28, 2021 425

BlackRock Announces Board Approval of Municipal Closed-End Fund Reorganization

Filed by BlackRock Muni Intermediate Duration Fund, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniHoldings Investment Quality Fund Investment Company Act File No.: 811-08349 Date: September 27, 2021 Contact: 1-800-882-0052 BlackRock Announces Board Approval of Municipal Cl

September 28, 2021 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) July 31, 2021 BlackRock Muni Intermediate Duration Fund, Inc.

July 20, 2021 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

June 8, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

March 31, 2021 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) January 31, 2021 BlackRock Muni Intermediate Duration Fund, Inc.

February 11, 2021 SC 13G/A

SCHEDULE 13G SIGNATURE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) BLACKROCK MUNI INTER DR FD I (Name of Issuer) COM (Title of Class of Securities) 09253X102 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sche

January 7, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BlackRock Muni Intermediate Duration Fund Inc. (Name of Issuer) Common Stock (Title of Class of Securiti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BlackRock Muni Intermediate Duration Fund Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 09253X102 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule

September 28, 2020 NPORT-EX

Schedule of Investments

BlackRock Muni Intermediate Duration Fund Schedule of Investments (unaudited) July 31, 2020 BlackRock Muni Intermediate Duration Fund, Inc.

August 11, 2020 SC 13G

MUI / BlackRock Muni Intermediate Duration Fund, Inc. / MACKAY SHIELDS LLC - MACKAY SHIELDS LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 BlackRock Muni Intermediate Duration Fund Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 09253X102 (CUSIP Number) July 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

June 9, 2020 DEF 14A

- NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 27, 2020 NPORT-EX

Schedule of Investments

BlackRock Muni Intermediate Duration Fund Schedule of Investments (unaudited) January 31, 2020 BlackRock Muni Intermediate Duration Fund, Inc.

February 4, 2020 SC 13G

MUI / BlackRock Muni Intermediate Duration Fund, Inc. / WELLS FARGO & COMPANY/MN Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) BLACKROCK MUNI INTER DR FD I (Name of Issuer) COM (Title of Class of Securities) 09253X102 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

September 26, 2019 NPORT-EX

MUI / BlackRock Muni Intermediate Duration Fund, Inc. NPORT-EX - -

BlackRock Muni Intermediate Duration Fund Schedule of Investments (unaudited) July 31, 2019 BlackRock Muni Intermediate Duration Fund, Inc.

June 11, 2019 DEF 14A

MHE / BlackRock Massachusetts Tax-Exempt Trust DEF 14A - - NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 28, 2019 N-Q

MUI / BlackRock Muni Intermediate Duration Fund, Inc. BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

March 28, 2019 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

February 15, 2019 SC 13G

MUI / BlackRock Muni Intermediate Duration Fund, Inc. / EATON VANCE MANAGEMENT - MUNI Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13 Under the Securities Exchange Act of 1934 (Amendment No. )* (Name of Issuer) Blackrock Muni Intermediate Duration Fund, Inc. Common Stock (Title of Class of Securities) 09253X102 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule

September 21, 2018 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

EX-99.CERT 2 d589399dex99cert.htm CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Inte

September 21, 2018 N-Q

MUI / BlackRock Muni Intermediate Duration Fund, Inc. BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

June 6, 2018 DEF 14A

MHE / BlackRock Massachusetts Tax-Exempt Trust NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 23, 2018 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

March 23, 2018 N-Q

Blackrock Muni Intermediate Duration Fund, Inc. - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

February 16, 2018 EX-24

POWER OF ATTORNEY

POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Aaron Wasserman, Eugene Drozdetski, Jessica Herlihy, Gladys Chang, Kiersten Zaza, Charles Park and Tricia Meyer of BlackRock, Inc.

September 27, 2017 N-Q

Blackrock Muni Intermediate Duration Fund, Inc. - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

September 27, 2017 EX-99.CERT

EX-99. CERT

EX-99.CERT 2 d431983dex99cert.htm CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Inte

June 7, 2017 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

March 23, 2017 EX-99.CERT

EX-99. CERT

EX-99.CERT 2 d443942dex99cert.htm CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Inte

March 23, 2017 N-Q

Blackrock Muni Intermediate Duration Fund, Inc. - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

September 26, 2016 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

September 26, 2016 N-Q

BlackRock Muni Intermediate Duration Fund BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. (Quarterly Schedule of Portfolio Holdings)

N-Q 1 d202907dnq.htm BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE

June 9, 2016 DEF 14A

BlackRock Muni Intermediate Duration Fund BLACKROCK PROXY

BLACKROCK PROXY Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 1, 2016 EX-24

POWER OF ATTORNEY

Unassociated Document POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Eugene Drozdetski, Laura Ingle, Gladys Chang, Charles Park, Tricia Meyer and Howard Surloff of BlackRock, Inc.

March 24, 2016 N-Q

Blackrock Muni Intermediate Duration Fund BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

March 24, 2016 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

March 2, 2016 EX-24

POWER OF ATTORNEY

Unassociated Document POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Eugene Drozdetski, Laura Ingle, Gladys Chang, Charles Park, Tricia Meyer and Howard Surloff of BlackRock, Inc.

September 22, 2015 N-Q

BlackRock Muni Intermediate Duration Fund BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

September 22, 2015 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

June 26, 2015 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 muni777b.htm REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To Shareholders and Board of Directors of BlackRock MuniAssets Fund, Inc., BlackRock MuniEnhanced Fund, Inc., BlackRock MuniHoldings Fund, Inc., BlackRock MuniHoldings Fund II, Inc., BlackRock MuniHoldings Quality Fund, Inc., BlackRock Muni Intermediate Duration Fund, Inc., and BlackRock MuniVest Fund II, In

June 12, 2015 DEF 14A

BlackRock Muni New York Intermediate Duration Fund BLACKROCK PROXY NON-CLASSIFIED

BLACKROCK PROXY NON-CLASSIFIED Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 25, 2015 N-Q

BlackRock Muni Intermediate Duration Fund BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

March 25, 2015 EX-99.CERT

CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF

EX-99.CERT 2 d867672dex99cert.htm CERTIFICATION PURSUANT TO SECTION 302 EX-99.CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Inter

January 16, 2015 CORRESP

MYD / BlackRock Muniyield Fund, Inc. CORRESP - -

Skadden, Arps, Slate, Meagher & Flom llp 500 BOYLSTON STREET BOSTON, MASSACHUSETTS 02116 TEL: (617) 573-4800 FAX: (617) 573-4822 www.

December 24, 2014 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): iShares Short-Term National AMT-Free Muni Bond ETF (NAT0-5) iShares National AMT-Free Muni Bond ETF(ISHMUNI) BlackRock Municipal Income Trust (BFK) BlackRock Municipal Income Trust II (BLE) BlackRock High Yield Municipal Fund (BR-HYMUNI) BlackRock Strategic Municipal Opportunities Fund of BlackRock Series Trust (BR-SMO-HY)

December 24, 2014 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Short-Term Municipal Fund (BR-STMUNI) iShares National AMT-Free Muni Bond ETF (ISHMUNI) iShares Short-Term National AMT-Free Muni Bond ETF (NAT0-5) iShares New York AMT-Free Muni Bond ETF (ISHNY) BlackRock Strategic Municipal Opportunities Fund of BlackRock Series Trust (BR-SMO-IG) BlackRock New York Municipal In

September 25, 2014 N-Q

Blackrock Muni Intermediate Duration Fund, Inc. - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

September 25, 2014 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

June 27, 2014 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To Shareholders and Board of Directors of BlackRock MuniAssets Fund, Inc.

June 27, 2014 EX-99.77O RULE 10F-3

Series 2014 Participating Funds

- Series 2014 Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Muni New York Intermediate Duration Fund, Inc. (MNE) BlackRock Muni Intermediate Duration Fund, Inc. (MUI) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Commencement: 03-06-2014 Security Type: BND/MUNI Issuer THE CITY OF NEW YORK-GENERAL OBLIGATION BONDS, FISCAL 2014 SERIES

June 13, 2014 DEF 14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

BLACKROCK PROXY NON-CLASSIFIED BOARD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 13, 2014 DEFA14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

Blackrock Proxy Non-Classified Board UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 25, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. 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: 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and addres

March 25, 2014 EX-99.CERT

EX-99. CERT

EX-99.CERT 2 d671340dex99cert.htm CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Inte

December 24, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal Income Investment Quality Trust (BAF) BlackRock Municipal Income Investment Trust (BBF) BlackRock Municipal Bond Investment Trust (BIE) BlackRock MuniHoldings Investment Quality Fund (MFL) BlackRock MuniYield Investment Quality Fund (MFT) BlackRock MuniHoldings Quality Fund II, Inc. (MUE) BlackRock Muni

December 24, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Short-Term Municipal Fund (BR-STMUNI) BlackRock Intermediate Municipal Fund of BlackRock Municipal Series Trust (BR-INTMUNI) BlackRock Muni Intermediate Duration Fund, Inc. (MUI) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Commencement: 10/04/2013 Security Type: BND/MUNI Issuer City of

December 24, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal Target Term Trust (BTT2) BlackRock Muni Intermediate Duration Fund, Inc. (MUI) BlackRock New Jersey Municipal Bond Fund of BlackRock Multi-State Municipal (BR-NJMUNI) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock MuniEnhanced Fund, Inc. (MEN) BlackRock MuniHoldings New Jersey Quality Fund, I

December 24, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Muni Intermediate Duration Fund, Inc. (MUI) BlackRock National Municipal Fund of Blackrock Municipal Bond Fund, Inc. (BR-NATL) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock MuniYield Quality Fund, Inc. (MQY) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Commencement: 10/04/20

September 24, 2013 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

September 24, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BlackRock Muni Intermediate Duration Fund, Inc. 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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address

June 26, 2013 EX-99.77Q1 OTHR EXHB

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES Table of Contents

BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES Table of Contents Page DESIGNATION[INSERT PAGE NUMBER] DEFINITIONS[INSERT PAGE NUMBER] TERMS[INSERT PAGE NUMBER] 1. Number of Authorized Shares [INSERT PAGE NUMBER] (a) Authorized Shares [INSERT PAGE NUMBER] (b) Capitalization [INSERT

June 26, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Muni Intermediate Duration Fund, Inc. (MUI) BlackRock MuniHoldings Fund, Inc. (MHD) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock Strategic Municipal Trust (BSD) BlackRock MuniYield Quality Fund III, Inc. (MYI) BlackRock MuniHoldings Investment Quality Fund (MFL) BlackRock Municipal Income Investment

June 26, 2013 EX-99.77I NEW SECUR

BlackRock Muni Intermediate Duration Fund, Inc. (the “Registrant”)

BlackRock Muni Intermediate Duration Fund, Inc. (the “Registrant”) 77(I) Terms of new or amended securities The Registrant issued Series W-7 Variable Rate Muni Term Preferred Shares in a private placement on December 7, 2012. The Registrant’s Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares (the “Articles Supplementary”) contains

June 26, 2013 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniAssets Fund, Inc.

June 26, 2013 EX-99.77Q1 OTHR EXHB

BlackRock Muni Intermediate Duration Fund, Inc. (the “Registrant”)

BlackRock Muni Intermediate Duration Fund, Inc. (the “Registrant”) 77Q1(d): Copies of all constituent instruments defining the rights of the holders of any new class of securities and of any amendments to constituent instruments referred to in answer to sub-item 77I. A copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variab

June 26, 2013 EX-99.77Q1 OTHR EXHB

BlackRock Muni Intermediate Duration Fund, Inc.(the “Registrant”)

EX-99.77Q1 OTHR EXHB 5 mui77q1a.htm BlackRock Muni Intermediate Duration Fund, Inc.(the “Registrant”) 77Q1(a): Copies of material amendments to Registrant’s charter or by-laws Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR, a copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares.

June 13, 2013 DEF 14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

BLACKROCK PROXY NON-CLASSIFIED BOARD Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 26, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC.

BlackRock Muni Intermediate Duration Fund, Inc. 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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address

March 26, 2013 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. B

January 29, 2013 CORRESP

-

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 January 29, 2013 Via EDGAR Laura Hatch Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, D.

January 9, 2013 SC 13G

MUI / BlackRock Muni Intermediate Duration Fund, Inc. / Jpmorgan Chase Bank, N.a. - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* BlackRock Muni Intermediate Duration Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253X888 (CUSIP Number) December 7, 2012 (Date of Event Which Requires Filing of this Statement) Check the app

December 26, 2012 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Muni Intermediate Duration Fund, Inc. (MUI) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Commencement: 04-12-2012 Security Type: BND/MUNI Issuer Maryland Health and Higher Educational Facilities Authority Revenue Bonds The Johns Hopkins Health System Obligated Group. Issue Series 2012B

December 26, 2012 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal Bond Trust (BBK) BlackRock Investment Quality Municipal Trust (BKN) BlackRock Municipal Income Quality Trust (BYM) BlackRock MuniEnhanced Fund, Inc. (MEN) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock MuniYield Quality Fund, Inc. (MQY) BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Bl

December 7, 2012 CORRESP

-

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 December 7, 2012 Via EDGAR Laura Hatch Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, D.

September 25, 2012 EX-99.CERT

EX-99. CERT

EX-99.CERT 2 i00393ex99-cert.htm EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. Based

September 25, 2012 N-Q

Quarterly Schedule of Portfolio Holdings -

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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief

June 26, 2012 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock Muni Intermediate Duration Fund, Inc.

June 26, 2012 EX-99.77O RULE 10F-3

$103.157

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock New Jersey Municipal Bond Trust, BLJ BlackRock New Jersey Municipal Income Trust, BNJ BlackRock New Jersey Municipal Bond Fund, BR-NJMUNI BlackRock MuniYield New Jersey Quality Fund, Inc., MJI BlackRock MuniHoldings New Jersey Quality Fund, Inc., MUJ BlackRock MuniYield New Jersey Fund, Inc., MYJ The BlackRock NJ

June 26, 2012 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Muni Intermediate Duration Fund, Inc. (MUI) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Commencement: 04/12/2012 Security Type: BND/MUNI Issuer MARYLAND HEALTH AND HIGHER EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS THE JOHNS HOPKINS HEALTH SYSTEM OBLIGATED GROUP ISSUE SERIES 2012B S

June 26, 2012 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal 2020 Term Trust (BKK), BlackRock Strategic Income Opportunities Portfolio (BR-SIP), iShares S&P National Municipal Bond Fund (ISHMUNI), BlackRock Muni Intermediate Duration Fund, Inc. (MUI) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Commencement: 07/12/2011 Security Type: Mu

June 12, 2012 DEFR14A

- NON CLASSIFIED FUND NOTICE AND PROXY

NON CLASSIFIED FUND NOTICE AND PROXY Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 11, 2012 DEF 14A

- NON CLASSIFIED FUND NOTICE AND PROXY

Non Classified Fund Notice and Proxy Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 27, 2012 N-Q

Quarterly Schedule of Portfolio Holdings -

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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief

March 27, 2012 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. Based on my knowledge, this report does

December 23, 2011 EX-99.77O RULE 10F-3

Participating Funds

EX-99.77O RULE 10F-3 2 stbldgauth.htm Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal 2020 Term Trust (BKK), BlackRock Strategic Income Opportunities Portfolio (BR-SIP), iShares S&P National Municipal Bond Fund (ISHMUNI), BlackRock Muni Intermediate Duration Fund, Inc. (MUI) The Offering Key Characteristics (Complete ALL Fields) Date of Offering Comm

September 28, 2011 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. Based on my knowledge, this report does

September 28, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief

June 29, 2011 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 mintdur77b.htm REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock Muni Intermediate Duration Fund, Inc.: In planning and performing our audit of the financial statements of BlackRock Muni Intermediate Duration Fund, Inc. (the “Fund”), as of and for the year ended April 30, 2011, in accordance with the standards of t

June 29, 2011 EX-99.77Q1 OTHR EXHB

Articles Supplementary dated September 17, 2010, are incorporated herein by reference to Exhibit 77Q1(a)(i) to the Registrant’s Annual Report for Registered Investment Companies on Form N-SAR filed on June 29, 2011.

BlackRock Equity Dividend Fund BlackRock Muni Intermediate Duration Fund, Inc. (the “Registrant”) 77Q1(a): Copies of material amendments to Registrant’s charter or by-laws Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR, (i) a copy of the Registrant's Articles Supplementary filed with the State Department of Assessments and Taxation of Maryland on September 17, 2010 and (ii

June 29, 2011 EX-99.77Q1 OTHR EXHB

#

EX-99.77Q1 OTHR EXHB 6 mintdur77q1d.htm BlackRock Muni Intermediate Duration Fund, Inc. (the, “Registrant”) 77Q1(d): Copies of all constituent instruments defining the rights of the holders of any new class of securities and of any amendments to constituent instruments referred to in answer to sub-item 77I. A copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Pr

June 29, 2011 EX-99.77I NEW SECUR

BlackRock Muni Intermediate Duration Fund, Inc.

EX-99.77I NEW SECUR 3 mintdur77i.htm BlackRock Muni Intermediate Duration Fund, Inc. 77(I) Terms of new or amended securities In connection with BlackRock Muni Intermediate Duration Fund, Inc.’s (the “Fund”) issuance of Series W-7 Variable Rate Demand Preferred Shares in a private placement on March 17, 2011 (the “VRDP Offering”), the Fund filed the Articles Supplementary Establishing and Fixing t

June 29, 2011 EX-99.77Q1 OTHR EXHB

Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Demand Preferred Shares dated March 16, 2011, are incorporated herein by reference to Exhibit 77Q1(a)(ii) to the Registrant’s Annual Report for Registered Investment Companies on Form N-SAR filed on June 29, 2011.

Exhibit 77Q1(a)(ii) BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE DEMAND PREFERRED SHARES Table of Contents Page DEFINITIONS PART I 1. Number of Authorized Shares 2. Dividends (a) Ranking (b) Cumulative Cash Dividends (c) Dividends Cumulative from Date of Original Issue (d) Dividend Payment Dates and Adjus

June 16, 2011 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Def

June 16, 2011 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) || Defi

May 5, 2011 SC 13D/A

Schedule 13D

Schedule 13D CUSIP No. 09253X SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Amendment No. 1) Under the Securities Exchange Act of 1934 BlackRock Muni Intermediate Duration Fund Inc. (Name of Issuer) AUCTION RATE PREFERRED (Title of Class of Securities) 09253X (CUSIP Number) David Lavan, Esq. O?Melveny & Myers LLP 1625 Eye Street, NW Washington, DC 20006 (202) 383-5191 (Na

April 20, 2011 EX-24

POWER OF ATTORNEY

EX-24 2 attachment1.htm EX-24 DOCUMENT POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Howard Surloff, Janey Ahn, Edward Baer, Douglas McCormack, Aaron Wasserman, Ben Archibald and Noah Gellner of BlackRock, Inc., and Michael Hoffman, Eric Requenez, Steve Grigoriou, Jeffrey Davidson and George Ching of Skadden, Arps, Slate, Meag

March 29, 2011 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. Based on my knowledge, this report does

March 29, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief

February 4, 2011 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2011 BlackRock Muni Intermediate Duration Fund, Inc. (Exact Name of Registrant as Specified in Charter) MARYLAND 811-21348 04-3768345 (State or Other Jurisdiction of Incor

February 4, 2011 EX-99.1

BlackRock Closed-End Funds Announce Date of 2011 Annual Meeting of Shareholders

Exhibit 99.1 Contact: 1-800-882-0052 BlackRock Closed-End Funds Announce Date of 2011 Annual Meeting of Shareholders New York, February 4, 2011— The BlackRock Closed-End Funds listed below (each a "Fund" and collectively, the "Funds") announced today that each of their 2011 annual meetings of shareholders will be held on July 28, 2011. Additional information regarding deadlines for shareholder pro

January 11, 2011 EX-99.2

POWER OF ATTORNEY Power of Attorney To Prepare and Execute Documents Pursuant to Sections 13 and 16 of the Securities and Exchange Act of 1934, as Amended (the “Exchange Act”) and Rules thereunder, by and on Behalf of MERRILL LYNCH, PIERCE, FENNER &

EX-99.2 3 dex992.htm EXHIBIT 99.2 EXHIBIT 99.2 POWER OF ATTORNEY Power of Attorney To Prepare and Execute Documents Pursuant to Sections 13 and 16 of the Securities and Exchange Act of 1934, as Amended (the “Exchange Act”) and Rules thereunder, by and on Behalf of MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED The undersigned, Merrill Lynch, Pierce, Fenner & Smith Incorporated (the “Corporatio

January 11, 2011 EX-99.1

Joint Filing Agreement

EX-99.1 2 dex991.htm EXHIBIT 99.1 EXHIBIT 99.1 Joint Filing Agreement The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsib

January 11, 2011 SC 13D

SCHEDULE 13D CUSIP No. 09253X Page 1 of 34 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock Muni Intermediate Duration Fund Inc. (Name of issuer) AUCTION RATE PREFERRED (Title

SCHEDULE 13D CUSIP No. 09253X Page 1 of 34 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock Muni Intermediate Duration Fund Inc. (Name of issuer) AUCTION RATE PREFERRED (Title of class of securities) 09253X (CUSIP number) David Lavan, Esq. O?Melveny & Myers LLP 1625 Eye Street, NW Washington, DC 20006 (202) 383-5191 (Name, a

December 29, 2010 EX-99.77Q1 OTHR EXHB

BlackRock Muni Intermediate Duration Fund, Inc.

EX-99.77Q1 OTHR EXHB 2 mintdur77q1.htm BlackRock Muni Intermediate Duration Fund, Inc. 77Q1(a): Copies of material amendments to Registrant’s by-laws Amended and Restated By-Laws of the Registrant is hereby incorporated by reference to the Registrant’s Form 8-K filed on September 21, 2010 (SEC Accession No. 0001193125-10-213676 (34 Act)).

September 28, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

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 811-21348 Name of Fund: BlackRock Muni Intermediate Duration Fund, Inc. (MUI) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief E

September 28, 2010 EX-99.CERT

EX-99. CERT

EX-99.CERT 2 i00427ex99-cert.htm EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Anne F. Ackerley, Chief Executive Officer (principal executive officer) of BlackRock Muni Intermediate Duration Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock Muni Intermediate Duration Fund, Inc.; 2. Based o

September 21, 2010 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2010 (September 17, 2010) BlackRock Muni Intermediate Duration Fund, Inc. (Exact name of registrant as specified in its charter) MARYLAND 811-21348 04-3768345 (State or

September 21, 2010 EX-3.1

Amended and Restated Bylaws of the Registrant are incorporated herein by reference to Exhibit 3.1 to Registrant’s Form 8-K, filed on September 21, 2010.

AMENDED AND RESTATED BYLAWS BLACKROCK MUNI INTERMEDIATE DURATION FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of September 17, 2010 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chair 1 Section 2. Annual Meetings of Shareholders 1 Section 3. Special Meetings of Shareholders 1 Section 4. Place of Meetings 2 Section 5. Notice of Meetings 2 Section 6. Nature of Business at A

July 23, 2010 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Def

June 29, 2010 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 mintdur77b.htm REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock Muni Intermediate Duration Fund, Inc.: In planning and performing our audit of the financial statements of BlackRock Muni Intermediate Duration Fund, Inc. (the “Fund”), as of and for the year ended April 30, 2010, in accordance with the standards of t

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