Acquisition of own Share

On Setember 1st 2005, in keeping with the best Corporate Governance practice, Itaúsa - Investimentos Itaú S.A. voluntarily disclosed its Operating Rules for the Trading of Own shares as Treasury Stock.

Item 2.1.3 of the Rules established the obligation to make monthly disclosure of the volumes of own shares traded by Itaúsa, and minimum, average and maximum prices.

Check below all the monthly tradings effected by Itaúsas Treasury with its own shares:

Commom Shares

Preferred Shares