LONDON–(BUSINESS WIRE)– Santander UK PLC Issue of GBP 1,500,000,000 Floating Rate Covered Bonds due March 2031 Series No 96 Tranche Number 1 MTN ISSUE NAME. Our Ref. MW2213 ISIN Code. XS3328622942 TOTAL INTEREST AMT. CURRENCY CODE. GBP DAY BASIS. ACTUAL/365 FIXED (A005) NUM OF DAYS. 94 INTEREST RATE. 4.2282 PCT VALUE DATE. 14/09/2026 INTEREST PERIOD. 12/06/2026 TO 14/09/2026 GBP 16,333,594.52 POOL FACTOR. N/A