CDF Central de Funcionamento Tecnologia e Participações S.A. signed a purchase and sale agreement to acquire the stake in Tectotal Tecnologia Sem Complicações S.A. from IdeiasNet S.A. (BOVESPA:IDNT3) for BRL 5.2 million on December 23, 2016. The transaction was approved by the Administrative Council for Economic Defense ("CADE") on January 6, 2017. CDF Central de Funcionamento Tecnologia e Participações S.A. completed the acquisition of stake in Tectotal Tecnologia Sem Complicações S.A. from IdeiasNet S.A. (BOVESPA:IDNT3) on February 1, 2017.