SANTANDER UK PLC

Interest Rate Update/Notice • Aug 11, 2025

National Storage Mechanism | Additional information

FRN Variable Rate Fix

Santander UK PLC

Issue of EUR 500,000,000.00

Floating Rate Covered Bonds due May 2027

Series 87 Tranche 1 MTN

ISSUE NAME.

Our Ref. MR0843

ISIN Code. XS2823117556

TOTAL INTEREST AMT.

CURRENCY CODE. EUR

DAY BASIS. Actual/360 (A004)

NUM OF DAYS. 92

INTEREST RATE. 2.199 PCT

VALUE DATE. 12/11/2025

INTEREST PERIOD. 12/08/2025 TO 12/11/2025

EUR 2,809,833.33

POOL FACTOR. N/A

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