£150 million Fixed Rate Reset Perpetual Subordinated Contingent Convertible Securities Publication of Offering Memorandum

£150 million Fixed Rate Reset Perpetual Subordinated Contingent Convertible Securities

Publication of Offering Memorandum

The offering memorandum dated 21 November 2025 (the "Offering Memorandum") in relation to its issue of £150 million Fixed Rate Reset Perpetual Subordinated Contingent Convertible Securities at 100 per cent issue price with an initial fixed interest rate of 7.750 per cent. per annum and reset dates on 25 May 2031 (the “First Reset Date”) and each date falling five, or an integral multiple of five, years after the First Reset Date, has been submitted to the International Securities Market of the London Stock Exchange.

To view the Offering Memorandum, paste the following URL into the address bar of your browser:

A copy of the Offering Memorandum has been submitted to the National Storage Mechanism and will shortly be available for inspection at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism. This website is not provided for, nor is it directed at, U.S. persons or persons in the United States. If you are a U.S. person, or you are viewing this page from the United States, you should exit this section of the website.

Note

All enquiries should be directed to Investor Relations or Brunswick Group, contact details below.

OneSavings Bank (OSB)

OSB originates mortgages organically via specialist brokers and independent financial advisers through its specialist brands including Kent Reliance for Intermediaries, Rely and InterBay Commercial. It is differentiated through its use of highly skilled, bespoke underwriting and efficient operating model.

Charter Court Financial Services Group (CCFS)

CCFS focuses on providing Buy-to-Let and specialist residential mortgages, mortgage servicing, administration and retail savings products. It operates through its brands: Precise and Charter Savings Bank.