Posting of Circular and Notice of General Meeting

Invinity Energy Systems PLC

23 October 2026

 

23 October 2026

Invinity Energy Systems plc

("Invinity" or the "Company")

Posting of Circular and Notice of General Meeting

Further to the announcement on 22 October 2026, Invinity Energy Systems plc (AIM: IES), a global leader in vanadium flow battery technology, announces that a Circular seeking shareholder approval for the Fundraising and containing the Notice of General Meeting, has now been published on the Shareholder Documents section of the Company's investor portal https://invinity.com/investors/shareholder-documents/.

A letter or email, depending on individual preference, is being sent to registered Shareholders to notify them of the publication of the Circular with hard copies being posted shortly to those who opted to receive printed communications.

The General Meeting has been convened for 11.30 a.m. (UK time) on Wednesday 11 November 2026.

Proxy Voting is now available and instructions can be found in the Circular starting on page 18 via the link above.

Unless otherwise defined, capitalised terms used in this announcement, including in the timetable of events set out below, shall have the meanings given to them in the Circular.

EXPECTED TIMETABLE OF PRINCIPAL EVENTS

Publication and posting of this Circular	23 October 2026
Latest time and date for receipt of Proxy Instructions	11.30 a.m. on 9 November 2026
General Meeting	11.30 a.m. on 11 November 2026
Announcement of result of General Meeting	11 November 2026
Admission and dealings in the Fundraising Shares expected to commence on AIM	8.00 a.m. on 12 November 2026
Where applicable, expected date for CREST accounts to be credited in respect of Fundraising Shares in uncertificated form	12 November 2026
Where applicable, expected date for dispatch of definitive share certificates for Fundraising Shares in certificated form	within 14 days of Admission

Notes:

1. Each of the times and dates above is subject to change at the absolute discretion of the Company and the Joint Bookrunners. Any such change will be notified by an announcement on a Regulatory Information Service.
2. All of the above times refer to London time unless otherwise stated.
3. Certain of the events listed in the above timetable following the General Meeting are conditional upon the passing of the Resolutions at the General Meeting.
4. If you wish to request a hard copy Form of Proxy from the registrars or have questions on how to complete the Form of Proxy, please contact MUFG Corporate Markets via email at [e-mail] or on 0371 664 0300 if calling from the United Kingdom, or [phone] if calling from outside the United Kingdom.  Calls are charged at the standard geographical rate and will vary by provider.  Calls outside the United Kingdom will be charged at the applicable international rate.  Lines are open between 09.00 – 17.30, Monday to Friday excluding public holidays in England and Wales.

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

Enquiries:

Invinity Energy Systems plc	[phone]
Jonathan Marren, Chief Executive Officer Joe Worthington, Senior Director, Corporate Affairs
Canaccord Genuity (Nominated Adviser and Joint Broker)	[phone]
Henry Fitzgerald-O'Connor / Harry Pardoe / Charlie Hammond
Panmure Liberum (Joint Broker)	[phone]
Scott Mathieson / Amrit Mahbubani / Inaya Rafique
VSA Capital (Joint Broker)	[phone]
Andrew Monk / Andrew Raca

Notes to Editors

Invinity Energy Systems plc (AIM: IES) is a world-leading manufacturer of vanadium flow batteries for energy storage. Built in our factories in the UK and Canada, the Company's proven, commercialised, flexible energy storage technology has been deployed at scale and dispatched gigawatt-hours of electricity for customers across the world.

Invinity's safe, scalable and durable battery technology is a trusted and safer alternative to lithium-ion batteries. Endurium VFBs are engineered for heavy-duty, high throughput applications, they don't wear out, cannot catch fire and are designed to be operated for 30 years or more. Our products address the challenges of our global energy system, unlocking the power of renewable generation by delivering energy storage without limits.

To find out more, visit invinity.com, sign up to our monthly Investor Newsletter here or contact Investor Relations on via [phone] or [e-mail].

 

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