May 3, 2011 Securities Exchange Commission 450 Fifth Street, NW Washington, DC 20549 Attn. Document Control RE American Depositary Shares evidenced by the American Depositary Receipts each representing one Common Share of Cementos Lima S.A. (Form F6 File No. 03386746) Ladies and Gentlemen Pursuant to Rule 424(b)(3) under the Securities Act of 1933, as amended, on behalf of BNY Mellon, as Depositary for securities against which American Depositary Receipts are to be issued, we attach a copy of the new prospectus (Prospectus) reflecting the change in ratio and par value for Cementos Lima S.A. As required by Rule 424(e), the upper right hand corner of the Prospectus cover page has a reference to Rule 424(b)(3) and to the file number of the registration statement to which the Prospectus relates. Pursuant to Section III B of the General Instructions to the Form F6 Registration Statement, the Prospectus consists of the ADR certificate with revised ratio and par value for Cementos Lima S.A. The Prospectus has been revised to reflect the new ratio (110) and new par value (NS 1.00). Please contact me with any questions or comments at 212 8154831. Perry Palma Gil BNY Mellon ADR Division Encl. CC Paul Dudek, Esq. (Office of International Corporate Finance) 101 Barclay Street, New York NY 10286