IQE : FY 2022 Unaudited Preliminary Results Presentation

Disclaimer

This presentation has been prepared by IQE plc solely for information purposes and should not be considered to be an offer or solicitation to buy, sell or subscribe for any securities, financial instruments or any rights attaching to such securities or financial instruments.

This presentation may contain forward-looking statements. Forward-looking statements can be identified as anything other than statements of historical fact contained in this presentation and by their nature are subject to uncertainty and risks. These statements are based on current expectations, estimates and projections about the factors that may affect our future performance, including global economic conditions, and the economic conditions of the regions and industries that are major markets for IQE plc.

These expectations, estimates and projections are generally identifiable by statements containing words such as "believes," "estimates," "targets," "plans," "outlook," "on track," "may," "will," "could," "should" or similar expressions.

IQE plc faces risks and uncertainties, many of which are beyond our control, that could cause our actual results to differ materially from any forward-looking information disclosed in this presentation and which could affect our ability to achieve any or all of our stated targets or anticipated transactions.

Important factors that could cause such differences include, but are not limited to:

• business risks relating to macroeconomic and geopolitical matters;
• unanticipated costs, such as those associated with compliance activities;
• market acceptance of new products and services;
• changes in governmental regulations and currency exchange rates; and
• general market conditions.

Although IQE plc believes that the expectations, estimates and projections constituting any forward- looking statement in this presentation are based upon reasonable assumptions, it can give no assurance that those expectations will be achieved.

As forward-looking statements are statements regarding our intent, belief or current expectations, they are not guarantees of future performance. Actual performance and results may differ materially from those described in this presentation. Readers are cautioned not to place undue reliance on these forward- looking statements.

The information contained in this presentation is provided as at the date of presentation and is subject to change without notice. Whilst the presentation has been prepared in good faith, no representation or warranty, express or implied, is give by IQE plc or its representatives as to the accuracy or completeness off the information or opinions in the presentation. IQE plc and its representatives shall have no liability whatsoever, whether under contract, tort, trust or otherwise, to you or any other person resulting from the use of, or reliance on, any information in this presentation. Any dispute, action or other proceeding relating to this presentation shall be adjudicated within the exclusive jurisdiction of the courts of England. All material in this presentation shall be governed by the laws of England and Wales.

Refreshed

strategy

announced in Nov-

22

• Market-ledand aligned to customer demand
• Maintain Connect and Sense markets
• Diversify into Power and Display markets

• Closure of Singapore site
• Closure of Pennsylvania site on track by 2024

Solid trading

performance in FY

2022

• Delivered a resilient performance despite a challenging macro environment
• Improved margin delivered