Filtronic: Exercise of Options, Director Dealing and TVR

Filtronic plc

("Filtronic" or the "Company")

23 October 2026

Exercise of Options, Director Dealing and Total Voting Rights

Filtronic plc (AIM: FTC), the designer and manufacturer of advanced RF solutions for the space, aerospace, defence and telecoms infrastructure markets, announces that Nat Edington, Chief Executive Officer, has exercised options over 4,333,333 Ordinary Shares of 0.1 pence each ("Ordinary Shares") under the Company's ESOP scheme (the "Options").

In order to satisfy the exercise price, associated tax liabilities and costs arising from the exercise only, he has sold 2,100,000 Ordinary Shares.

The Company has submitted an application for the 4,333,333 new Ordinary Shares to be admitted to trading on AIM ("Admission"). It is expected that Admission will become effective and dealings in the new Ordinary Shares will commence on 27 October 2026. The new Ordinary Shares will rank pari passu with the existing Ordinary Shares.

Following the transactions, Nat Edington's beneficial holding in the Company increases to 2,347,067 Ordinary Shares, representing approximately 1.05% of the Company's issued share capital.

Total Voting Rights

Following Admission, the Company's issued share capital will comprise 224,276,056 Ordinary Shares of 0.1 pence each, all of which carry voting rights. The Company does not hold any Ordinary Shares in treasury.

Therefore, the total number of voting rights in the Company will be 224,276,056. Shareholders may use this figure as the denominator for the calculations by which they determine whether they are required to notify their interest in, or a change to their interest in, Filtronic plc under the FCA's Disclosure Guidance and Transparency Rules.

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About Filtronic:

Filtronic is a leading designer and manufacturer of advanced high-frequency solutions that enable the next generation of space, defence and telecommunications networks. Combining proprietary technology, deep engineering expertise and advanced manufacturing capabilities, the company develops mission-critical products that deliver exceptional performance in the world's most demanding operating environments.

 Founded in 1977, Filtronic has been at the forefront of RF innovation, developing core intellectual property and transforming it into highly engineered solutions that power advanced communications, connectivity and sensing applications. Its technologies support critical satellite infrastructure, defence platforms and high-capacity communications networks, helping customers solve increasingly complex engineering challenges.

Trusted by many of the world's leading space, defence and telecommunications organisations, Filtronic works from concept development through to full-scale manufacturing, combining specialist engineering capability with precision production to deliver high-performance products at volume. The company's vertically integrated model, investment in next-generation technologies and long-standing customer relationships position it as a strategic partner in markets benefiting from long-term structural growth.

With manufacturing operations and engineering centres of excellence in the UK and a global customer base, Filtronic is helping shape the future of secure, resilient and high-capacity communications on Earth and in space.

Headquartered in Sedgefield, UK, Filtronic is listed on AIM, the London Stock Exchange's market for growth companies (AIM: FTC).