Retail Banking Performance Update

Argentina (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 203 234 267 361 300 432 616 431 -30.0% 1,065 1,778 +67.0% Net fee income 74 87 110 149 121 143 182 97 -46.7% 420 542 +28.9% Gains (losses) on financial transactions and other (16) (22) (13) (47) (57) (117) (205) (108) -47.6% (98) (487) +399.2% Total revenue 261 300 364 463 364 458 592 420 -29.1% 1,388 1,833 +32.1% Operating expenses (171) (179) (204) (252) (217) (260) (333) (178) -46.5% (805) (987) +22.6% Net operating income 91 121 160 211 147 198 259 242 -6.7% 583 846 +45.2% Net loan-loss provisions (14) (35) (40) (52) (39) (33) (34) (26) -23.5% (140) (132) -5.9% Other gains (losses) and provisions (34) (31) (29) (42) (38) (67) (81) (84) +4.1% (136) (270) +98.7% Underlying profit before tax 42 55 91 117 71 97 144 132 -8.8% 306 443 +44.9% Underlying consolidated profit Underlying attributable profit 44 45 62 72 93 60 86 88 91 +3.1% 272 325 +19.5% 44 62 72 22 22 92 59 86 88 91 +3.0% 270 324 +20.0% Santander 54 54

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