27 June 2024

Invinity Energy Systems plc

("Invinity" or the "Company")

Notice of Capital Markets Event

Following the release of its 2023 Financial Results this morning, Invinity Energy Systems plc (AIM: IES) (AQSE: IES) (OTCQX: IESVF), a leading global manufacturer of utility-grade energy storage, is pleased to announce that it will hold a Capital Markets Event on Tuesday, 23 July 2024 at the Company's manufacturing facilities in Scotland.

The event will mark the official opening of Invinity's new 26,000 sq. ft assembly facility in Motherwell and include a tour of the Company's Bathgate facility. Presentations will be given on Invinity's technology, manufacturing processes and R&D focus areas as well as a demonstration of Invinity's vanadium flow batteries in operation.

The Company invites institutional investors, analysts and retail shareholders to attend. Please note that due to Health & Safety requirements, attendee numbers are limited and registration is essential to confirm attendance on the day. Please register your interest by emailing [email protected]. Further information on timing and logistics will be sent out to those who register in due course.

Please note that presentations, as well as other content discussed on the day, will be made available on the Company's website shortly after the event for those who cannot attend.

Stay up to date with news from Invinity. Join the distribution list for the Company's monthly investor newsletter here.

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 75 MWh of systems already deployed or contracted for delivery to 82 sites across 18 countries, Invinity is active in all major global energy storage markets and has operations in the UK, Canada, the U.S., 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 [email protected].

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