27 April 2021

TOMCO ENERGY PLC

("TomCo" or the "Company")

Greenfield Update

TomCo Energy plc (AIM: TOM), the US operating oil development group focused on using innovative technology to unlock unconventional hydrocarbon resources, is pleased to provide a further update in respect of the work being undertaken by Greenfield Energy LLC ("Greenfield"), the Company's 50/50 joint venture with Valkor LLC ("Valkor"), with respect to Petroteq Energy Inc's ("Petroteq") existing oil sands plant at Asphalt Ridge, Utah (the "POSP").

As announced on 1 April 2021, Greenfield identified certain additional enhancements that were required to be made to the POSP to allow for a more efficient and optimised operation.  Greenfield is pleased to report that this additional equipment has now been successfully installed and tested, and the POSP is again operational.

Further updates will be issued as operations progress.

Enquiries:

TomCo Energy plc

Malcolm Groat (Chairman) / John Potter (CEO)                      +44 (0)20 3823 3635

Strand Hanson Limited (Nominated Adviser)

James Harris / Matthew Chandler                                             +44 (0)20 7409 3494

Novum Securities Limited (Broker)

Charlie Brook-Partridge/Jon Belliss                                           +44 (0)20 7399 9402

IFC Advisory Limited (Financial PR)

Tim Metcalfe / Graham Herring                                                 +44 (0)20 3934 6630

For further information, please visit www.tomcoenergy.com.

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulation (EU) No. 596/2014 as it forms part of United Kingdom domestic law by virtue of the European Union (Withdrawal) Act 2018.