10 July 2025

CML Microsystems Plc

("CML", "CML Micro" or the "Group")

Significant Long-Term GNSS Contract

Contract valued at over $30 million advances CML's position in global satellite technology market

CML Microsystems Plc, which develops mixed-signal, RF and microwave semiconductors for global communications markets, announces a 12-year design and supply agreement with a leading manufacturer of industrial Global Navigation Satellite System (GNSS) equipment. Under the terms of the contract, CML will deliver advanced design services and product supply valued at over $30 million across the duration of the partnership.

This milestone agreement reinforces CML Micro's strategic commitment to the global satellite technology market and strengthens its position as a key enabler of high-precision GNSS applications. It also showcases CML's ability to support the rigorous manufacturing processes that are critical to meeting stringent industry requirements and ensuring long-term supply chain resilience, including in-house production test capabilities in the UK and in Silicon Valley. The contract reflects customer confidence in selecting CML as a trusted partner in delivering innovative, high-performance semiconductor solutions.

Mark McCabe, Group Chief Operating Officer of CML Microsystems, commented:

"This long-term agreement is a strong endorsement of CML Micro's capability to deliver cutting-edge, application-specific semiconductors tailored to the demanding requirements of the GNSS sector. The combination of advanced RF design expertise, robust product lifecycle support, and supply chain reliability was central to securing this multi-year commitment. It reinforces our strategic focus on enabling next-generation positioning technologies through sustained innovation and commercial execution."

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About CML Microsystems PLC

CML develops mixed-signal, RF and microwave semiconductors for global communications markets. The Group utilises a combination of outsourced manufacturing and in-house testing with trading operations in the UK, Asia and USA. CML targets sub-segments within Communication markets with strong growth profiles and high barriers to entry. It has secured a diverse, blue chip customer base, including some of the world's leading commercial and industrial product manufacturers.

Growth in its end markets is being driven by factors such as the appetite for data to be transmitted faster and more securely, the upgrading of telecoms infrastructure around the world and the growing prevalence of private commercial wireless networks for voice and/or data communications linked to the industrial internet of things (IIoT).

The Group is cash-generative, has no debt and is dividend paying.