BTGI A.Z.P.S.P.E. Empreendimentos e Participações S.A. entered into a purchase and sale agreement to acquire 65% stake in CDR Pedreira - Centro de Disposição de Resíduos S.A. from Estre Ambiental, Inc. (NasdaqGM:ESTR) for approximately BRL 180 million in October 2014. The consideration is payable in three installments over the course of 2014. BTGI and Estre also entered into a sell and put option over the interest in CDR Pedreira, originally set to expire in October 2017.

BTGI A.Z.P.S.P.E. Empreendimentos e Participações S.A. completed the acquisition of 65% stake in CDR Pedreira - Centro de Disposição de Resíduos S.A. from Estre Ambiental, Inc. (NasdaqGM:ESTR) in December 2014.