Ororo Field Update

1 May 2018

Sirius Petroleum Plc

("Sirius" or "the Company")

Ororo Field - Update

Sirius Petroleum (AIM: SRSP), the Nigeria focused oil and gas development and production company, wishes to advise it is awaiting clarification from COSL, the Company's international rig partner on timing for completion of mobilisation of the rig. On receiving this clarification, the Company expects to be able to provide an update on timing for the spudding of the Ororo-2 well in the near term.

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ("MAR"). Upon the publication of this announcement via Regulatory Information Service ("RIS"), this inside information is now considered to be in the public domain.

Ends

Enquiries:

Sirius Petroleum +44 20 3740 7640

Bobo Kuti, Chief Executive

Mark Henderson, Chief Financial Officer

Cantor Fitzgerald Europe +44 20 7894 7000

David Porter/Nick Tulloch

Gable Communications +44 20 7193 7463

John Bick [email protected]