7 August 2026

SANTANDER UK PLC

HALF YEAR FINANCIAL REPORT FOR THE SIX MONTHS ENDED 30 JUNE 2026

Santander UK plc (the 'Company') announces that its half year Financial Report for the six months ended 30 June 2026 will be submitted in unedited full text to the National Storage Mechanism and will shortly be available for inspection at  https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

The Company's half year Financial Report may also be accessed via the Santander UK website here.

This announcement is made in accordance with DTR 6.3.5R(1A).

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Additional information about Santander UK and Banco Santander

Santander UK is a financial services provider in the UK that offers a wide range of personal and commercial financial products and services. The bank serves its customers via a nationwide branch network, telephone, mobile and online banking. Santander UK is subject to the full supervision of the FCA and the PRA in the UK. Santander UK plc customers' eligible deposits are protected by the FSCS in the UK.

Banco Santander (SAN SM, STD US, BNC.LN) is a leading commercial bank, founded in 1857 and headquartered in Spain and one of the largest banks in the world by market capitalisation. The group's activities are consolidated into five global businesses: Retail & Commercial Banking, Digital Consumer Bank, Corporate & Investment Banking (CIB), Wealth Management & Insurance and Payments (PagoNxt and Cards). This operating model allows the bank to better leverage its unique combination of global scale and local leadership. Banco Santander aims to be the best open financial services platform providing services to individuals, SMEs, corporates, financial institutions and governments. The bank's purpose is to help people and businesses prosper in a simple, personal and fair way.

Banco Santander has a listing of its ordinary shares on the London Stock Exchange and Santander UK plc has preference shares listed on the London Stock Exchange.