21 September 2022

Invinity Energy Systems plc

("Invinity" or the "Company")

Blocklisting Applications

Invinity Energy Systems plc (AIM: IES) (AQSE: IES) (OTCQX: IESVF), a leading global manufacturer of utility-grade energy storage, confirms that further to the block listing of securities to be admitted to trading on AIM announced today, application will also be made for any New Ordinary Shares issued pursuant to the exercise of Short-Term Warrants and Long-Term Warrants and options under the Invinity Energy Systems Employee Share Option Plan 2018 as set out in today's announcement to be admitted to trading on the Aquis Stock Exchange.

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 33 MWh of systems deployed to date across more than 50 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 on the AIM Market of the London Stock Exchange and on the Aquis Stock Exchange (AQSE). The Company also trades in the USA on OTCQX Best Market under the symbol "IESVF".

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