0001193125-18-178608.txt : 20180530 0001193125-18-178608.hdr.sgml : 20180530 20180530164155 ACCESSION NUMBER: 0001193125-18-178608 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180530 DATE AS OF CHANGE: 20180530 EFFECTIVENESS DATE: 20180530 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNICIPAL BOND FUND, INC. CENTRAL INDEX KEY: 0000225635 IRS NUMBER: 132896246 STATE OF INCORPORATION: NJ FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-57354 FILM NUMBER: 18868670 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 800-441-7762 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 FORMER COMPANY: FORMER CONFORMED NAME: MERRILL LYNCH MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: ONE LIBERTY MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19780622 0000225635 S000002334 BlackRock National Municipal Fund C000006118 Investor A C000006120 Investor C1 C000006121 Institutional C000038033 Investor C C000100249 Service Shares C000100250 Class K 497 1 d556261d497.htm BR MUNICIPAL BOND FUND, INC.- SAI BR Municipal Bond Fund, Inc.- SAI

BLACKROCK MUNICIPAL BOND FUND, INC.

BlackRock National Municipal Fund

(the “Fund”)

Supplement dated May 30, 2018 to the

Statement of Additional Information dated October 27, 2017, as supplemented to date

Effective May 31, 2018, the seventh paragraph in the section of the Statement of Additional Information entitled “Management and Advisory Arrangements” is deleted in its entirety and replaced with the following:

BlackRock has contractually agreed to waive the management fee with respect to any portion of each Fund’s assets estimated to be attributable to investments in other equity and fixed-income mutual funds and exchange-traded funds managed by BlackRock or its affiliates that have a contractual management fee, through October 31, 2018 for the Short-Term Fund and through October 31, 2019 for the High Yield Fund and the National Fund. The contractual agreement may be terminated upon 90 days’ notice by a majority of the Independent Directors or by a vote of a majority of the outstanding voting securities of a Fund.

Footnote 2 in the section of the Statement of Additional Information entitled “Management and Advisory Arrangements” is deleted in its entirety and replaced with the following:

 

2  Effective May 31, 2018, the Manager has contractually agreed to waive and/or reimburse fees or expenses in order to limit Total Annual Fund Operating Expenses (excluding Dividend Expense, Interest Expense, Acquired Fund Fees and Expenses and certain other Fund expenses (as defined in the Fund’s Prospectuses)) as a percentage of average daily net assets to 0.68% for Investor A Shares, 1.43% for Investor C Shares, 0.43% for Institutional Shares, 1.23% for Investor C1 Shares, 0.68% for Service Shares and 0.38% for Class K Shares through October 31, 2019. The contractual agreement may be terminated upon 90 days’ notice by a majority of the Independent Directors or by a vote of a majority of the outstanding voting securities of the Fund. Prior to May 31, 2018, the Manager contractually agreed to waive and/or reimburse fees or expenses in order to limit Total Annual Fund Operating Expenses (excluding Dividend Expense, Interest Expense, Acquired Fund Fees and Expenses and certain other Fund expenses) as a percentage of average daily net assets to 0.69% for Investor A Shares, 1.44% for Investor C Shares, 0.44% for Institutional Shares, 1.24% for Investor C1 Shares, 0.69% for Service Shares and 0.39% for Class K Shares.

Shareholders should retain this Supplement for future reference.

SAI-MBFN-0518SUP