IQE plc

Total Voting Rights

Cardiff, UK

1 April 2026

("IQE" or the "Company")

Total Voting Rights

As at 31 March 2026, the Company's issued share capital consisted of 979,142,070 ordinary shares of 1 pence each ("Ordinary Shares"). The Company holds 4,115 Ordinary Shares in treasury. Therefore, the total number Ordinary Shares with voting rights in the Company is 979,137,955.

Shareholders may use this figure (979,137,955) as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

Contacts:

IQE plc

+44 (0) 29 2083 9400

Mark Cubitt

Jutta Meier

Amy Barlow

Peel Hunt (Nomad and Joint Broker)

+44 (0) 20 7418 8900

Ben Cryer

Kate Bannatyne

Adam Telling

Deutsche Numis (Joint Broker)

+44 (0) 20 7260 1000

Hugo Rubinstein

Iqra Amin

Headland Consultancy (Financial PR)
+ 44 (0) 20 38054822

Andy Rivett-Carnac: +44 (0) 7968 997 365

Chloe Francklin: +44 (0)78 3497 4624

ABOUT IQE

http://iqep.com

IQE is the leading global supplier of advanced compound semiconductor wafers and materials solutions that enable a diverse range of applications across:

·    Smart Connected Devices

·    Communications Infrastructure

·    Automotive and Industrial

·    Aerospace and Security

As a scaled global epitaxy wafer manufacturer, IQE is uniquely positioned in this market which has high barriers to entry. IQE supplies the global market and is enabling customers to innovate at chip and OEM level. By leveraging the Group's intellectual property portfolio including know-how and patents, it produces epitaxy wafers of superior quality, yield and unit economics.

IQE is headquartered in Cardiff UK, with employees across manufacturing locations in the UK, US and Taiwan, and is listed on the AIM Stock Exchange in London.