X0203 3 2010-04-16 0 0000070530 NATIONAL SEMICONDUCTOR CORP NSM 0001187421 MITCHELL WILLIAM STOCK ADMINISTRATION, MAIL STOP C-1640 2900 SEMICONDUCTOR DR. SANTA CLARA CA 95051 1 0 0 0 Common Stock 12000 D Shares acquired automatically under the Director Stock Plan upon initial appointment as a director. The shares vest 3 years from issuance. By: Rose Hoffman, Attorney-in-fact For: William E. Mitchell 2010-04-20