Q1'22 Financial Update

Customer focused proposition We have a well-established UK market position 000 mm 14 million active UK customers AA 450 branches Across the UK Д Santander Switch to a Santander current account d get £130 shback Santander 3rd largest retail mortgage provider¹ + My Money Manager < 9:41 Your monthly report See how you did in May Feb EVERYDAY CURRENT ACCOUNT Total cash flow: £1,980.20 ... A view of your account activity: Mar Apr Money out -£1,980.20 -E922.94 N £449.75 Your ang rotal money in minut total outgoings Money in May £3,665.00 €473.20 Change from your ave £2.360.20 29 May 2020 £980.20 Government deposit 15 May 2020, Signed up over 1 million customers Provides tailored spending insights through our mobile app Helps customers to manage their finances 5th largest commercial lender¹ Teal money in mirustotal outgoings for Dec Summary by type for May OUT Salary: IN CURRENT ACCOUNT SWITCH GUARANTEE Launched in September 2021 Cashback opportunity for new and existing customers who switch their current accounts ▸ Campaign has attracted >40,000 net switches (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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