-------------------------------------------------------------------------------- FORM 6-K/A U.S. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 dated May 24, 2005 Commission File Number 1-14878 GERDAU S.A. (Exact Name as Specified in its Charter) N/A ---------------------------------- (Translation of Registrant's Name) Av. Farrapos 1811 Porto Alegre, Rio Grande do Sul - Brazil CEP 90220-005 (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F X Form 40-F ------ Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____ Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____ Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes No X ------ If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable. -------------------------------------------------------------------------------- SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused the Report to be signed on its behalf by the undersigned, thereunto duly authorized. Date: May 24, 2005 GERDAU S.A. By:/s/ Osvaldo Burgos Schirmer ---------------------------------------- Name: Osvaldo Burgos Schirmer Title: Chief Financial Officer The balance sheet at December 31, 2004 and statement of income for the year then ended currently being filed in this 6-K/A have been modified with respect to the unaudited balance sheet and statement of income filed on Form 6-K dated February 3, 2005 because after re-consideration of the application of Interpretation 46 of the Financial Accounting Standards Board it has been concluded that the interest in Dona Francisca Energetica S.A. should not be consolidated but accounted for following the equity method. Net income and shareholders equity have not been modified and the effects resulting from the deconsolidation of Dona Francisca Energetica S.A. as well as the effects of other reclassifications in the main captions of the financial statements are presented below: EFFECT OF NON AS ORIGINALLY CONSOLIDATING DFESA OTHER AS CURRENTLY PRESENTED RECLASSIFICATIONS PRESENTED Current assets 3,435,425 (43,937) (68,461) 3,323,027 Non-current assets 3,622,440 (93,218) - 3,529,222 Current liabilities 1,791,834 (11,068) (68,461) 1,712,305 Non-current liabilities 2,083,970 (108,582) - 1,975,388 Minority interest 659,476 (17,505) - 641,971 Shareholders equity 2,522,585 - - 2,522,585 Net sales 6,966,770 (14,621) - 6,952,149 Operating income 1,639,179 (10,929) - 1,628,250 Net income 1,158,358 - - 1,158,358 EXHIBIT INDEX Exhibit Description of Exhibit ------- ---------------------- 99.1 Consolidated financial statements as of December 31, 2004 and 2003 and for each of the three years in the period ended December 31, 2004 and report of independent registered public accounting firm