0001209191-11-043323.txt : 20110810 0001209191-11-043323.hdr.sgml : 20110810 20110810111127 ACCESSION NUMBER: 0001209191-11-043323 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110731 FILED AS OF DATE: 20110810 DATE AS OF CHANGE: 20110810 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNIYIELD FUND INC CENTRAL INDEX KEY: 0000879361 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 223136942 STATE OF INCORPORATION: NJ FISCAL YEAR END: 1231 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: MUNIYIELD FUND INC DATE OF NAME CHANGE: 19920717 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: UBS AG CENTRAL INDEX KEY: 0001114446 STANDARD INDUSTRIAL CLASSIFICATION: NATIONAL COMMERCIAL BANKS [6021] FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 811-06414 FILM NUMBER: 111023132 BUSINESS ADDRESS: STREET 1: BAHNHOFSTRASSE 45 STREET 2: P O BOX CH 8098 CITY: ZURICH STATE: V8 ZIP: - BUSINESS PHONE: 41-1-234-4100 MAIL ADDRESS: STREET 1: BAHNHOFSTRASSE 45 STREET 2: P O BOX CH 8098 CITY: ZURICH STATE: V8 ZIP: - 3 1 c21207_3x0.xml MAIN DOCUMENT DESCRIPTION X0204 3 2011-07-31 0 0000879361 BLACKROCK MUNIYIELD FUND INC MYD 0001114446 UBS AG BAHNHOFSTRASSE 45 PO BOX CH-8021 ZURICH V8 SWITZERLAND 0 0 1 0 Auction Preferred Stock 134 I By subsidiary - see footnote This Statement is filed jointly by UBS AG for the benefit and on behalf of UBS Securities LLC and UBS Financial Services Inc., two-wholly owned subsidiaries of UBS AG to which UBS AG has delegated portions of its performance obligations with respect to the Auction Rate Securities Rights issued by UBS AG to certain clients and pursuant to which the securities reported herein have been purchased from such clients. Pursuant to the Global Relief Letter referred to below, this filing reports holdings of the Series of Auction Preferred Stock identified in Item 1 of this Table I on an aggregated basis. (Cusip No 09253W203 09253W302 09253W401 09253W500 09253W609 09253W708 09253W807) The Shares reported herein represent UBS AG's combined holdings in multiple series of auction preferred securities of the issuer, which are treated herein as one class of securities in accordance with the Auction Rate Securities -- Global Exemptive Relief letter ("Global Relief Letter") issued by the staff of the Securities and Exchange Commission (SEC) on September 22, 2008. UBS AG undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, complete information regarding the number of securities identified in Table I purchased and sold at each different price and date for the period between the date on which beneficial ownership exceeded ten percent and January 31, 2009, as required by the Global Relief Letter. /s/ Anthony DeFilippis 2011-08-10 /s/ Paul Sitarz 2011-08-10