PETRORIO 2Q20 EARNINGS RELEASE AND CONFERENCE CALL SCHEDULE

Rio de Janeiro, July 23, 2020 – Petro Rio S.A. [B3: PRIO3] announces 2Q20 Earnings Release Conference Call schedule:

2Q20 EARNINGS RELEASE

August 03, 2020 (after market hours)

All information will be available on our website (ri.petroriosa.com.br/en/)

CONFERENCE CALL WILL BE HELD IN PORTUGUESE WITH SIMULTANEOUS TRANSLATION TO ENGLISH

August 04, 2020

Time: 03:00 p.m. (Brasília Time) / 02:00 p.m. (NY Time)

Dial-in (Brazil): (11) 3181 8565 / (11) 4210 1803

Dial-in (USA and other locations): +1 (844) 204 8942 / +1 (412) 717 9627

Password: PetroRio

To access the Webcast Platform:

Click here (Portuguese)

Click here (English)

We request the participants to log into the platform 10 minutes prior to the beginning, either by phone or internet, to ensure they are online when the event starts.