Invinity Energy Sys - First ENDURIUM Shipment

13 December 2024

Invinity Energy Systems plc

("Invinity" or the "Company")

First ENDURIUM^TM Shipment

1.2 MWh system now in transit to Gamesa Electric facility in Spain

Further to the ENDURIUM launch announcement of 3 December, Invinity Energy Systems plc (AIM: IES) (AQSE: IES) (OTCQX: IESVF), a leading global manufacturer of utility-grade energy storage, is pleased to confirm that its first ENDURIUM vanadium flow batteries have now been shipped.

Above (L-R): Adam Howard, CFO, Matt Harper, President and CCO and Jonathan Marren, CEO in front of the first ENDURIUM batteries to ship from Invinity's Vancouver, Canada facility

Four ENDURIUM modules with a total capacity of 1.2 MWh are now in transit from Invinity's facility in Vancouver, Canada to Gamesa Electric's La Plana Hybrid Plant, a hybrid wind, solar and battery storage demonstration facility, near Zaragoza, Spain. The V-iOn project, announced on 27 September 2024, will see the ENDURIUM batteries installed and extensively validated by Gamesa Electric for use in solar and wind coupled energy storage projects.

Learn more about the V-iOn project on Invinity's website here.

Jonathan Marren, Chief Executive Officer at Invinity said:

"I'm delighted to follow a successful product launch with the news that our first ENDURIUM batteries have shipped and are now on their way to our development partner, Gamesa Electric. I look forward to this shipment being the first of many as the need for long duration energy storage continues to grow globally."

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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 75 MWh of systems already deployed or contracted for delivery across 82 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 quoted in the UK on AIM and AQSE and trades in the USA on OTCQX.

To find out more, visit invinity.com, sign up to our monthly Investor Newsletter here or contact Investor Relations on via +44 (0)20 4551 0361 or ir@invinity.com.