São Paulo, July 5, 2017 - GOL Linhas Aéreas Inteligentes S.A. ("GLAI"), (NYSE: GOL and B3: GOLL4), Brazil's #1 airline, provides its Investor Update. The information below for the quarter ended in June 2017 is preliminary and unaudited.

Overall Commentary

GOL expects an operating margin for the quarter ended in June of 1.5-2.0%, an increase of approximately 1000 b.p. over the quarter ended in June 2016 of -8.2%, excluding non-recurring expenses.

Passenger unit revenue (PRASK) for the second quarter was up 7.5-8.0% year over year, as GOL's capacity discipline and revenue management strategies continue to benefit results. For the quarter ended in June, GOL expects unit revenue (RASK) to increase 8.5-9.0%.

Non-fuel unit costs (CASK ex-fuel), excluding non-recurring expenses, are expected to be reduced approximately 4% for the second quarter 2017 versus same quarter of the prior year.

GOL reduced its total debt, including financial and operating leasing, by approximately R$100 million in the quarter, totaling more than R$4.8 billion debt reduction in the last 18 months.