IQE PLC

Declaration of Voting Results & Voting Rights Announcements • Jun 1, 2021

National Storage Mechanism | Additional information

IQE plc

Total Voting Rights

Cardiff, UK

1 June 2021

(“IQE” or the “Company”)

Total Voting Rights

As at 31 May 2021, the Company’s issued share capital consisted of 801,299,933 ordinary shares of 1 pence each (“Ordinary Shares”). All of these Ordinary Shares carry voting rights of one vote per Ordinary Share. The Company holds no Ordinary Shares in treasury.

The total number of voting rights in the Company is therefore 801,299,933.

The above figures may be used by shareholders 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

Amy Barlow

Peel Hunt LLP (Nomad and Joint Broker)

+44 (0) 20 7418 8900

Edward Knight

Paul Gillam

Nick Prowting        

Citigroup Global Markets Limited (Joint Broker)

+44 (0) 20 7986 4000

Christopher Wren

Peter Catterall        

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:

• handset devices
• global telecoms infrastructure
• connected devices
• 3D sensing

As a scaled global epitaxy wafer manufacturer, IQE is uniquely positioned in this market which has high barriers to entry. IQE supplies the whole market and is agnostic to the winners and losers 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 c. 650 employees across nine manufacturing locations in the UK, US, Taiwan and Singapore, and is listed on the AIM Stock Exchange in London.