Current Report No. 19/2023Date: 2023-08-17Issuer'strading name: SERINUS ENERGY plcTitle:Holding in CompanyLegalbasis: Other regulationsContent:In view of therequirement of Article 62.8 of the Act of 29 July 2005 on PublicOffering [...], considering that the shares of SERINUS ENERGY plc("Company") are listed on AIM in the UK, the Management of the Companyannounces that it has provided outside the Republic of Polandinformation that on 16 August 2023 it received a notification of Mr.Richard Sneller, given under the AIM regulations, of change in the shareof the total vote in the Company. The reporting threshold, related todisposal of the voting rights, was crossed/reached on 14 August 2023 asindicated in the notification.As per information arising fromthe notification, before the change Mr. Richard Sneller was entitled toexercise voting rights representing 11.3% of the total vote in theCompany (also see WSE current report No. 43/2020). Currently he holds12,100,000 of shares, representing 10.9% of the total vote in theCompany.The attachment to this current report contains the textof the original notification in English, which has been filed by theCompany in the UK and will also be available on the Company's website:www.serinusenergy.com