Financial Performance Update H1'23

Customer focused proposition We have a well-established UK market position c.14 million 000 active UK customers M AA My Home Manager 445 branches Across the UK L Top 5 retail mortgage provider¹ Top 5 largest commercial lender¹ Santander Up Edge + Launched Santander 'Edge' and Santander 'Edge Up' current account and savings brand Finding your edge. It Starts Here Only current account on the market to offer cashback on both debit card spending and direct debits 941 Manage my mortgege What would you like to do today? Overpayments Explore our deals Move home Borrow more 注 Change term or repayment method Get a settlement figure Launched My Home Manager 'release 2', bringing services together to help customers get more from their home Customers can: see their estimated home value and equity, view their Energy Performance Certificates, access a green knowledge hub and access cost estimates and quotes from local tradespeople for maintenance and repair Santander (1) Santander UK industry analysis of latest available bank and building society reports. Mortgage provider: UK mortgage stock, Retail Banking divisions. Commercial lender: UK commercial lending stock, Corporate and/or Commercial Banking divisions (excludes investment banking). 9

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