Serinus Energy Inc.-Brunei: Lukut Updip-1 Well Drilling Update

CALGARY, ALBERTA--(Marketwired - Aug 23, 2013) - Serinus Energy Inc. (SEN.TO)(SEN.TO) ("Serinus", "SEN" or the "Company"), an international upstream oil and gas exploration and production company, advises that the exploratory well on its Lukut Updip 1 prospect on Brunei Block L is drilling ahead in 6" hole at 1,880 metres measured depth ("MD") after having set 7" liner at 1,716 MD. The well encountered formation pressures significantly higher than predicted which necessitated the setting of the 7" liner earlier than planned.

Prior to setting the 7" liner, the well intersected a 2.5 metre sand at 1,723 metres MD which is believed to be hydrocarbon bearing based upon the logging while drilling gamma ray/resistivity profile and a positive oil show in drill cuttings. Further decision on evaluation of this zone will be undertaken following drilling of the current hole section, which is targeting several deeper seismically defined anomalies.

As a result of encountering hard formation in the 133/8" hole section, and the higher pressures in the 8" hole section, the well is currently some 40 days behind schedule. The Block L Production Sharing Agreement ("PSA") between the Brunei National Petroleum Company ("PetroleumBRUNEI") and the Block L Parties was signed on 28th August 2006, and expires on 27th August 2013. The Company's position is that as long as we are engaged in an active drilling program, the Phase 2 of the Exploration Period of the PSA is automatically extended. Serinus has requested a formal written extension to Phase 2 from PetroleumBRUNEI to allow for completion of the drilling program currently underway, including the drilling of Lukut Updip-1 and the drilling of the second exploration well (Luba-1) in the Phase 2 drilling program. The response from PetroleumBRUNEI to the extension request is expected imminently. Drilling operations are continuing in accordance with the terms and conditions of the PSA. In the event of a discovery, provisions within the PSA allow the Block L parties to continue with further appraisal and development provided the Block L Consortium satisfies any prior obligations as required by the Block L PSA.

Serinus has a 90% interest in the Block L with indirect wholly-owned subsidiary Kulczyk Oil Brunei Limited having a 40% interest and indirect wholly-owned subsidiary AED SEA (operator) having a 50% interest. The remaining 10% interest is owned by a private Brunei company at arm's length to Serinus.

About Serinus Energy

Serinus is an international upstream oil and gas exploration and production company with a diversified portfolio of projects in Ukraine, Brunei, Tunisia, Romania and Syria and with a risk profile ranging from exploration in Brunei, Romania and Syria to production and development in Ukraine and Tunisia. The common shares of the Company trade under trading symbol "SEN" on both the WSE and the TSX.