Gas Natural SDG SA (CATS:GAS); Companhia Distribuidora de Gás do Rio de Janeiro - CEG (BOVESPA:CEGR3); Companhia de Gas de Sao Paulo (BOVESPA:CGAS5); CEG Rio SA; Gas Brasiliano Distribuidora S/A; and Gas Natural Sao Paulo Sul, S.A.; are interested in Companhia de Gas do Amazonas. The draft tender for the privatisation of Companhia de Gas do Amazonas valued at BRL 804 million should be published in October 2013. The Brazilian government intends to sell 51% of its common shares and 17% of preferred shares at BM&F Bovespa.

Consortium BCS/GA (composed of BTG Pactual, Saad Advogados and Concremat Engenharia) was hired to provide legal, technical and financial support to the privatisation. The auction should take place in December 2013 and the privatisation process should be concluded by early 2014.