11 February 2026

Gelion plc
("Gelion", the "Company" or the "Group")

Commercialisation Update

Progress with TDK and QinetiQ, Additional ARENA Funding

Notice of Half Year Results and Investor Presentation

Gelion (AIM: GELN), the advanced battery materials company, provides shareholders with an update on the technological progress and strategic partnerships outlined in the Company's investor presentation in November 2025.

Gelion is seeking to replace the strategic minerals in current Lithium-ion battery cathodes with Gelion's Nano-Encapsulated Sulfur (NES™) that are low cost and can be dropped into existing global manufacturing lines. Gelion's NES™ is made from sulfur which is abundantly available, free from supply chain constraints.

Highlights

·      Gelion's NES™ Cathode Active Material (CAM) samples have been supplied to TDK Corporation ("TDK") in Japan.

·      Initial pouch cells incorporating Gelion's NES™ CAM have been successfully manufactured by TDK with early test results meeting the Company's expectations.

·      Gelion also provided its GEN3 CAM to QinetiQ which has produced initial pouch cells.  Gelion is now equipping Gelion Europe to provide NES™ CAM to QinetiQ so that QinetiQ can produce NES™ CAM Pouch cells.

·      Active discussions are progressing with multiple global partners across a range of applications and geographies.

·      Additional funding from ARENA to accelerate CAM commercialisation and scale-up.

Commercialisation partnerships

Further to the strategic objectives outlined in November 2025, Gelion confirms that samples of its proprietary sulfur CAM formulations have been delivered to both TDK in Japan and to QinetiQ in the UK. This is an important step in executing the Company's partnership-led commercialisation strategy and demonstrates the Company's ability to produce material at volumes consistent with pouch cell demonstration requirements.

Early pouch cell manufacturing

Initial pouch cells incorporating Gelion's sulfur NES™ CAM have been successfully manufactured by TDK as part of the ongoing collaboration. Preliminary test results have met Gelion's performance expectations at this stage of development, validating the technology in a pouch cell format. Joint development activities are continuing, with further results to be announced in due course.

Development of new partnerships

Gelion continues to engage with a number of new potential global commercialisation partners. These discussions span multiple applications and regions and are aligned with the Company's strategy to establish a diversified portfolio of partnerships with tier-one manufacturers and technology leaders.

Additional ARENA Funding

The Australian Government, through the Australian Renewable Energy Agency (ARENA), has increased its support for Gelion with a variation to its funding agreement, originally announced in December 2024. The amendment expands the project scope to accelerate the commercialisation of Gelion's sulfur CAM at its Advanced Commercial Prototyping Centre (ACPC), increasing the total project budget from c.£4.8 million to c.£5.3 million.

The additional funding is directed toward accelerating the scale-up of Gelion's sulfur CAM fabrication capability. This reflects the commercial traction achieved to date and will support expanding testing and integration activities with existing and prospective partners. The expanded capacity will enable the delivery of larger sample volumes, facilitating more extensive validation and feedback.

This funding increase positions the project to progress the commercialisation pathway more rapidly than originally planned, with an increased focus on global supply chain development, process robustness and product qualification, thereby enhancing the overall value and impact of the ACPC programme.

Half year results and investor presentation:

Gelion expects to publish its unaudited half year results for the six months ended 31 December 2025 on Monday, 2 March 2026. A retail investor presentation will follow on the same day at 9.30am GMT via the Investor Meet Company platform, hosted by John Wood, CEO and Amit Gupta, CFO. The presentation is open to all existing and prospective shareholders.

Registration: https://www.investormeetcompany.com/gelion-plc/register-investor

Questions may be submitted in advance through the Investor Meet Company dashboard up to 8.30am GMT on the day of the presentation, or at any time during the live event. Investors who already follow Gelion on the platform will be automatically invited.

John Wood, CEO of Gelion, said: "I am delighted to report that we are executing effectively against the roadmap presented to shareholders in November. The delivery of CAM samples to our partners TDK and QinetiQ, together with the successful manufacture of initial pouch cells by TDK, represents tangible progress toward the commercialisation of our technology. We remain focused on converting our strong pipeline of discussions into formal partnerships and delivering long-term value for shareholders."

For more information, please visit Next-Generation Sulfur Battery Technologies | Gelion or contact:

Market Abuse Regulation

This announcement contains inside information for the purposes of Article 7 of EU Regulation No. 596/2014, which forms part of United Kingdom domestic law by virtue of the European Union (Withdrawal) Act 2018, as amended.

About Gelion

Gelion plc is a global energy‑storage innovator developing next‑generation battery technologies that aim to accelerate the clean energy transition by delivering sustainable, high‑performance, cost‑effective solutions. Central to its strategy is proprietary sulfur‑based cathode active material (CAM) technology, which uses nanoconfinement to control sulfur behaviour in lithium‑sulfur and room‑temperature sodium‑sulfur battery architectures Nano-Encapsulated Sulfur (NES™), addressing historical performance limitations and enabling compatibility with standard lithium‑ion and sodium‑ion manufacturing infrastructure. The NES™ material is being developed with the goal of having "drop in" capability in place of alternate cathode materials to support scalable production in existing gigafactories and targets critical benchmarks for energy density and power performance, with applications across electric mobility, e‑aviation, grid and stationary storage. Gelion works with Tier One industrial partners to commercialise its technology and deliver integrated energy storage systems that support global decarbonisation goals.

-ends-