Retail Banking Performance Update

United Kingdom (EUR mn) Change Change Q1'21 Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 Q3'22 Q4'22 Q4'22/Q3'22 2021 2022 2022/2021 Net interest income 989 1,088 1,156 1,151 1,192 1,227 1,277 1,297 +1.6% 4,383 4,992 +13.9% Net fee income 120 117 114 82 92 110 93 95 +1.9% 434 390 -10.1% Gains (losses) on financial transactions and other (10) (6) 21 (7) 7 6 28 (4) (2) 36 Total revenue 1,099 1,199 1,291 1,226 1,291 1,342 1,397 1,388 -0.7% 4,815 5,418 +12.5% Operating expenses (652) (648) (638) (655) (672) (677) (660) (677) +2.7% (2,592) (2,685) +3.6% Net operating income 447 551 653 571 620 666 738 710 -3.7% 2,223 2,733 +22.9% Net loan-loss provisions (18) 86 (1) 178 (51) (74) (109) (82) -25.3% 245 (316) Other gains (losses) and provisions (31) (63) (39) (187) (66) (99) (88) (264) +198.7% (319) (517) +62.0% Underlying profit before tax 398 575 613 563 503 492 540 365 -32.5% 2,149 1,900 -11.6% Underlying consolidated profit 286 391 443 417 375 361 402 257 -36.2% 1,537 1,395 -9.2% Underlying attributable profit 286 391 443 417 375 361 402 257 -36.2% 1,537 1,395 -9.2% Santander 27 27

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