Serinus Energy PLC — Share Issue/Capital Change 2021

May 10, 2021

Current Report No. 17/2021Date: 2021-05-10Issuer'strading name: SERINUS ENERGY plc

Title:Share Subscription

Legal basis: other regulations

Content:In view of the requirement of Article 62.8 of the Actof 29 July 2005 on Public Offering [...], considering that the shares ofSERINUS ENERGY plc ("Company" or "Serinus") are listed on AIM in the UK,the Management of the Company announces that it has publishedinformation outside the Republic of Poland that Rhonda Yaniw, Head ofCorporate Administration for Serinus, has subscribed for 100 newordinary shares in the Company at a price of 3p per share. This willensure that the forthcoming AGM, to which access is restricted due tothe COVID-19 pandemic, will be quorate. Application has been made to theLondon Stock Exchange for admission of the shares to trading on AIM,which is expected to occur on Thursday 13 May 2021.

The attachment to this current report contains text of the originalpress release in English, which has been filed by the Company in the UKand will also be available on Company's website: www.serinusenergy.com