São Martinho, Cosan and Santa Cruz Announce the Acquisition of Usina Santa Luiza São Paulo, April 12, 2007 – São Martinho S.A. (Bovespa: SMTO3), COSAN S.A. Indústria e Comércio (Bovespa: CSAN3) and Santa Cruz S.A. Açúcar e Álcool announce today the acquisition of Usina Santa Luiza S/A. The acquisition was carried out through Etanol Participações S/A, a holding company formed by: Usina São Martinho S/A (a wholly-owned subsidiary of São Martinho S/A), COSAN S.A. Indústria e Comércio, and Santa Cruz S/A Açúcar e Álcool, with respective interests of 41.67%, 33.33% and 25.00%, whose management model will be implemented on a joint basis, with representatives of each shareholder on the Board of Directors and the Executive Board. The value of the acquisition, totaling R$ 179.3 million, was paid in cash, with São Martinho being responsible for R$ 74.7 million, COSAN for R$ 59.8 million and Santa Cruz for R$ 44.8 million. In addition, Etanol Participações S/A will assume R$ 40.4 million in net financial debt. Usina Santa Luiza is located in the municipality of Motuca, in the state of São Paulo. It has an annual sugarcane crushing capacity of 1.8 million tonnes, explores 19,000 hectares of cane plantations on leased land and acquires 200,000 tonnes of cane per year from suppliers. Currently, these areas have a mechanization ratio of 60%, but can reach 100%. It is also worth noting that Usina Santa Luiza is located close to the São Martinho, Bonfim (that belongs to COSAN) and Santa Cruz mills, generating significant operational synergies for the purchasing consortium. At the same time, the same companies in the same proportions acquired Agropecuária Aquidaban, which produces 1.5 million tonnes of sugar cane per year, for R$ 59.8 million. Contact – Investor Relations São Martinho S.A. João Carvalho do Val, CFO and Investor Relations Officer Denise Araújo Francisco, Financial Manager and Investor Relations Officer Felipe Vicchiato, Investor Relations Coordinator Phone: +5511 2105-4100 Email: [email protected] IR Website: www.saomartinho.ind.br/ri COSAN S.A. Indústria e Comércio Paulo Diniz, CFO and Investor Relations Officer Guilherme Prado, Investor Relations Manager Phone: +5511 3897-9797 Email: [email protected] IR Website: www.cosan.com.br/ri Santa Cruz S.A. Açúcar e Álcool Maurício Ometto, Officer Gustavo Henrique Rodrigues, Financial and Management Manager Phone: +5516 3393-9002 E-mail: [email protected] Website: www.usinasantacruz.com.br Page 1 About São Martinho São Martinho S.A. is one of the largest producers of sugar and ethanol in Brazil. The Company’s current crushing capacity is of 10.3 million tonnes/year and by concluding the first phase of the construction of Boa Vista Mill, its third unit; the Company will increase its capacity by 3 million tonnes/year until 2010/11.The Company currently conducts its sugar and ethanol operations through its two mills, Iracema and São Martinho, and has recently acquired a 42% stake in Santa Luiza Mill. For further information, please visit www.saomartinho.ind.br About COSAN COSAN is one of the largest producers of sugar and ethanol in the world. With a crushing capacity of around 40 million tonnes of sugar cane, the Company holds approximately 10% of the local market . For further information, please visit www.cosan.com.br About Santa Cruz Santa Cruz S.A. Açúcar e Álcool has a 60-year track record in the sugar and ethanol market, and is currently among the 20 largest such producers in Brazil. It has an annual sugarcane processing capacity of 3.5 million tonnes. Recently, Santa Cruz acquired 25% of Usina Santa Luiza. For further information, please visit www.usinasantacruz.com.br Page 2