ECOR3 Ecorodovias Infraestrutura E Logistica SA

INDICES PROCEDURES DUE TO THE PRIMARY AND SECONDARY PUBLIC OFFERING OF ECORODOVIAS INFRAESTRUTURA E LOGISTICA S.A. (ECOR)

We hereby inform you that, due to the Primary and Secondary Offering of ECORODOVIAS
(ECOR3), according to item 7 of the Special Practices of the Concepts and Practices Manual
for B3 Indices, as of July 06, 2021 opening, new theoretical quantities will be applied in
the B3 indices, with the corresponding adjustments in the respective reducers.

Index: IBXX, IGCT, IGNM, IBRA, ISEE, ITAG, SMLL, IBOV
Theoretical Quantity: 330,237,914

Index: IGCX
Theoretical Quantity: 660,475,828

Index: ICO2
Theoretical Quantity: 1,633,902,629