6 November 2025

Filtronic plc

("Filtronic" or "the Company")

€7m multi-year contract for satellite constellation programme

Proven filter and diplexer heritage supports LEO constellation expansion

Filtronic plc (AIM: FTC), the designer and manufacturer of advanced RF solutions for the space, aerospace and defence, and telecoms infrastructure markets, is pleased to announce that it has secured a contract with a leading European aerospace manufacturer, to supply RF assemblies for integration into a major Low Earth Orbit ("LEO") satellite constellation programme.

The contract, valued in excess of €7 million, represents a significant commitment to be delivered over the next three years.

These complex assemblies, produced in house by Filtronic, are engineered to withstand the demanding conditions of the space environment at LEO, delivering high-reliability performance across a wide range of communication applications.

The contract demonstrates Filtronic's technical expertise and position at the forefront of RF and mmWave innovation and deepens the Company's engagement with a relatively new customer, marking further business with another major LEO constellation.

Nat Edington, Chief Executive Officer, said: "This contract highlights our increasing diversification across customers within the space markets and reflects the trust placed in Filtronic's capability to deliver at scale for the most demanding space applications. As demand for satellite connectivity continues to grow, this is another milestone in Filtronic's mission to support the growing satellite market for Non-Terrestrial Networks, Mobile Satellite Services, and Direct-to-Device connectivity."

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About Filtronic:

Filtronic is at the leading edge of advanced microelectronics globally, specialising in the design and manufacture of mission-critical communication networks. Operating from two global manufacturing sites and three engineering centres of excellence, the company delivers solutions that span the full RF spectrum. An extensive patent portfolio highlights Filtronic's ongoing drive for innovation and technological leadership.

With a track record of over 45 years', Filtronic's technology is trusted across high-performance sectors including space, aerospace, defence, telecoms infrastructure and critical communications. The company develops core IP building blocks and transforms them into highly customised solutions for high-growth target markets. Filtronic's expertise enables seamless data transmission, delivering greater bandwidth, lower latency and enhanced connectivity.

Filtronic has successfully coupled this engineering expertise with investment in state-of-the-art production equipment that enables the rapid transition of a turn-key solution from product development to full scale, high quality manufacturing, at volume. The strategic markets of LEO space, aerospace and defence are the focus of current product development programmes, where Filtronic can add significant value, realise long term sustainable margins and deliver shareholder value.

Headquartered in Sedgefield, UK, Filtronic is listed on the AIM market of the London Stock Exchange.