Prior to publication, the information contained within this announcement was deemed by the Group to constitute inside information for the purposes of regulation 11 of the Market Abuse (Amendment) (EU exit) Regulations 2019/310. With the publication of this announcement, this information is now considered to be in the public domain.

3 April 2023

EnSilica plc

("EnSilica", the "Company" or the "Group")

EnSilica secures $2.4m contract with an existing customer

EnSilica, a leading mixed signal chip maker, is pleased to announce that it has secured a contract with an existing European based customer for approximately $2.4 million ('the Contract'). This most recent award with a longstanding EnSilica customer follows a period of strong new business momentum over the last four months, with contracts announced and others secured by the Company since 30 November 2022 totalling approximately $13.5 million and underpinning current market expectations.

The Contract, the third secured by EnSilica with this customer, is to develop a TSMC 12nm FinFET ASIC using multiple high-speed Ethernet network interfaces. The Contract revenue spans the current and next financial year of the Company (ending 31 May).

Ian Lankshear, Chief Executive Officer of EnSilica plc, commented:

"We are delighted to have been awarded this further contract with a valued EnSilica customer; strengthening our ongoing association with them and demonstrating their continuing confidence in our design and delivery capabilities."

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Definitions:

·    FinFET (FIN Field Effect Transistor) - A three dimensional transistor architecture that uses a raised channel (the "fin") from source to drain. FinFETs replaced CMOS for technology nodes smaller than 20 nm.

·    TSMC - Taiwan Semiconductor Manufacturing Company

About EnSilica

EnSilica is a leading fabless design house focused on custom ASIC design and supply for OEMs and system houses, as well as IC design services for companies with their own design teams. The company has world-class expertise in supplying custom RF, mmWave, mixed signal and digital ICs to its international customers in the automotive, industrial, healthcare and communications markets. The company also offers a broad portfolio of core IP covering cryptography, radar and communications systems. EnSilica has a track record in delivering high quality solutions to demanding industry standards. The company is headquartered near Oxford, UK and has  design centres across the UK and in Bangalore, India and Porto Alegre, Brazil.