Invinity Energy Regulatory News (IES)

23 February 2023

Invinity Energy Systems plc

("Invinity" or the "Company")

Placing Update

Further to the announcement regarding the Placing, Subscription and Open Offer released yesterday evening, Invinity is pleased to confirm that the Placing is now oversubscribed and in response to demand, the Directors are expecting to increase the size of the offering. The Company will provide a full update on the result of the Placing shortly.

Capitalised terms used in this announcement have the meanings given to them in the announcement released by the Company at 5pm (UK time) on 22 February 2023.

Enquiries:

Notes to Editors

Invinity Energy Systems plc (AIM: IES) (AQSE: IES) (OTCQX: IESVF) manufactures vanadium flow batteries for large-scale, high-throughput energy storage requirements of business, industry and electrical networks.

Invinity's factory-built flow batteries run continually with no degradation for over 25 years, making them suitable for the most demanding applications in renewable energy production. Energy storage systems based on Invinity's batteries are safe, reliable, and economical, and range in size from less than 250 kilowatt-hours to tens of megawatt-hours.

Invinity was created in April 2020 through the merger of two flow battery industry leaders: redT energy plc and Avalon Battery Corporation. With over 65 MWh of systems already deployed or contracted for delivery across over 70 sites in 15 countries, Invinity is active in all major global energy storage markets and has operations in the UK, Canada, USA, China and Australia. Invinity Energy Systems plc is listed in the UK on AIM and AQSE and trades in the USA on OTCQX.

To find out more, visit invinity.com or call Investor Relations on +44 (0)204 551 0361.