NEWS

PETRORIO ACHIEVES 1,500 DAYS WITHOUT ACCIDENTS AT POLVO A

Rio de Janeiro, July 18, 2016 - Petro Rio S.A. ("Company" or "PetroRio") (BM&FBOVESPA: PRIO3, TSX-V: PRJ), announces with great pride that, as at July 14th 2016, it has completed 1,500 days without work related accidents on the Polvo A fixed platform resulting in employees requiring to take time off.

This important milestone demonstrates the Company‘s total commitment to the safety of its activities, its employees, contractors and partners and the respect to the environment.

PetroRio has been operating in the Polvo Field since January 2014 and, through internationally recognized standards, meets legal and regulatory determinations, mitigating the potential impacts of its activities.