DEPÓSITO CENTRAL DE VALORES S.A.,
DEPÓSITO DE VALORES

Dear Participant

Depósito Central de Valores reports that, according to what was agreed in the Extraordinary Shareholders Meeting of Madeco S.A., held on April 16, 2014, the decision was taken to change the corporate name of the company to Tech Pack S.A.

The Corporation has requested to a change to the mnemonic code "MADECO" which identified its shares, replacing it by TECHPACK.

In accordance with the preceeding, as of today, Monday, June 23, 2014, Tech Pack S.A. shares will trade under the new stock code identification "TECHPACK".

If you have any questions, please contact the customer help desk ats This email address is being protected from spambots. You need JavaScript enabled to view it. or phone number (56 2) 393 90 01.

Sincerely yours,   
DEPÓSITO CENTRAL DE VALORES S.A.,
DEPÓSITO DE VALORES