GOLL4 Gol Linhas Aereas Inteligentes S.A.

In reference to the 052-2021-PRE Circular Letter, we hereby inform you that, due to Smiles
Fidelidade S.A. (SMLS3) ordinary shares incorporation by Gol Linhas Aereas Inteligentes
S.A. (GOLL4), according to item 5 of the Special Practices of the Concepts and Practices
Manual for B3 Indices, B3 will adopt the adjustment procedures described below for June 7,
2021 opening.

SMLS3 - EXCLUSION
Index: IBRA, ICON, IDIV, IGCT, IGCX, IGNM, ITAG, SMLL

GOLL4 - New Quantities
Index: IBOV, IBRA, IBXL, IBXX, IGCT, ITAG, IVBX, SMLL
Theoretical Quantity: 178,123,292

Index: ICO2
Theoretical Quantity: 69,968,355

Index: IGCX
Theoretical Quantity: 267,184,398