GOL Linhas Aéreas Inteligentes S.A. provided earnings and production guidance for the quarter ended in December 2017. For the quarter, the company expected EBITDA Margin 17.5% to 18.5%, EBIT Margin 13.2% to 14.2%, Ancillary Revenue 12.0% to 12.2% of total net revenues, Aircraft Rent BRL 230 million, Average fuel price per liter BRL 2.25 to BRL 2.28, Average fuel price per liter BRL 2.25 to BRL 2.28, Average exchange rateBRL 3.20 Non-recurring expenses BRL 30 to 35 million.