Notified on 27 November 2008, with effect on 9 December 2008, this merger operation consists of the acquisition of exclusive control of Quimitécnica - Serviços Comércio e Indústria de Produtos Químicos SA ("Quimitécnica - Serviços") and its subsidiaries by the special purpose entity Orquasa - Origem Química e Ambiente SA ("Orquasa"), by means of the acquisition of 100 per cent of the shares representing its registered capital.