The Internal Rule of Conduct, applicable to the members of the Board of
Directors, senior management and other members of the Company´s staff
who, because of the nature of their work, post or functions, may have
access to facts, decisions and information that might have a significant
influence on the price of the company´s shares, lists the duties and
obligations in respect of actions in organized markets and, especially,
in relation to the use of privileged information and transactions with
treasury stock.