Updated Te Giac Trang FFDP approved

SOCO, an international oil and gas exploration and production company, announces that the Hoang Long Joint Operating Company has received from the Government of the Socialist Republic of Vietnam the formal approval of the updated Full Field Development Plan (“FFDP”) for the Te Giac Trang (“TGT”) Field, offshore southern Vietnam.

The FFDP was formally submitted to the relevant authorities in Q4/2016.  With this, we have approval of up to 18 additional wells, with locations and additional support to be provided at a later date, and the addition of new processing equipment to be installed on the H1-WHP. The processing equipment will be designed to handle 90,000 barrels of liquid per day with specific water handling capacity of up to 65,000 barrels of water per day.

ENQUIRIES

SOCO International plc

Antony Maris, Chief Operating Officer

Tel: 020 7747 2000

Bell Pottinger

Nick Lambert

nlambert@bellpottinger.com

Tel: 020 3772 2558

Elizabeth Snow

esnow@bellpottinger.com

Tel: 020 3772 2582

NOTES TO EDITORS

SOCO is an international oil and gas exploration and production company, headquartered in London and traded on the London Stock Exchange. The Company has field development and production interests in Vietnam and exploration and appraisal interests in the Republic of Congo (Brazzaville) and Angola.