Andrew Chan , Si Yi Chen , Michael Czugaj , Renae Lawrence , Tach Duc Thanh Nguyen , Matthew Norman , Scott Rush , Martin Stephens and Myuran Sukumaran , all aged between 18 and 28 at the time of their arrests . Andrew Chan , Si Yi Chen , Michael Czugaj , Renae Lawrence , Tach Duc Thanh Nguyen , Matthew Norman , Scott Rush , Martin Stephens and Myuran Sukumaran , all aged between 18 and 28 at the time of their arrests , faced the death penalty or life in prison if convicted .