Notice of cyber security incident

WH Smith PLC

2 March 2023

Notice of cyber security incident

WH Smith PLC has been the target of a cyber security incident which has resulted in illegal access to some company data, including current and former employee data. Upon becoming aware of the incident, we immediately launched an investigation, engaged specialist support services and implemented our incident response plans, which included notifying the relevant authorities.

WH Smith takes the issue of cyber security extremely seriously and investigations into the incident are ongoing. We are notifying all affected colleagues and have put measures in place to support them.

There has been no impact on the trading activities of the Group. Our website, customer accounts and underlying customer databases are on separate systems that are unaffected by this incident.

The strong trading performance of the business, detailed in our trading update on 18 January 2023, has continued across the Group. The Group will report its results for the half year to 28 February 2023 on 20 April 2023.

Enquiries:

WH Smith Investors

Mark Boyle 07879 897687

Brunswick

Tim Danaher 020 7404 5959