Cosan S.A. (BOVESPA:CSAN3) launched a voluntary tender offer to acquire 10.4% stake in Companhia de Gás de São Paulo - COMGÁS (BOVESPA:CGAS5) from Norges Bank, Utilico Emerging Markets Trust PLC (LSE:UEM), fund of ICM Investment Management Limited and others for BRL 1.1 billion on January 18, 2019. Under the terms, Cosan will acquire remaining 13.7 million class-A preferred shares at the price of BRL 82 per shares. In a related transaction Cosan signed a private agreement to acquire 7.5% stake in Companhia de Gás de São Paulo from Alaska Investimentos LTDA. on January 18, 2019. Transaction is subject to minimum tender of 66% of total preferred shares to be tendered. As of January 18, 2019, Cosan's board of directors approved the transaction. Expiry date is set as March 8, 2019. Banco BTG Pactual S.A. (BOVESPA:BPAC3) acted as financial advisor and Citigroup Global Markets Assessoria Ltda. acted as appraiser for Cosan.

Cosan S.A. (BOVESPA:CSAN3) completed the acquisition of 7.3% stake in Companhia de Gás de São Paulo - COMGÁS (BOVESPA:CGAS5) from Norges Bank, Utilico Emerging Markets Trust PLC (LSE:UEM), fund of ICM Investment Management Limited and others for approximately BRL 790 million on March 8, 2019. Cosan isuues BRL 1.7 billion in debentures to fund the transaction.