Energean PLC

Declaration of Voting Results & Voting Rights Announcements • Jan 28, 2019

Energean Oil and Gas plc ("Energean" or the "Company")

Total Voting Rights

London, 28 January 2019 - Energean Oil and Gas plc (LSE: ENOG, TASE: אנאג (, the London Premium Listed FTSE 250 and Tel Aviv Listed TA-90 E&P company with operations offshore Israel, Greece and the Adriatic, wishes to announce, in conformity with DTR 5.6.1, the following:

• (a) The Company's capital consists of 153,326,901 ordinary shares of 1p each with voting rights.
• (b) The Company does not hold any shares in Treasury.
• (c) Accordingly, the total number of voting rights in the Company is 153,326,901 and this figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Disclosure Guidance and Transparency Rules of the FCA.

The increase in the Company's share capital from 153,152,763 ordinary shares to 153,326,901 ordinary shares arises from the recent issuance of 174,138 ordinary shares in the Company to Capital Energy Investments Limited and HIL Hydrocarbon Investments Limited, as described in the Director/PDMR announcement made on Monday, 21 January 2019.

Enquiries

Energean Tel: 07917 608645 Kate Sloan, Head of IR

Camarco (Financial PR) Tel: 020 3757 4980 Billy Clegg, Georgia Edmonds, Owen Roberts