Retail Banking Performance Update

Argentina (Constant EUR mn) Q1'21 Q2'21 Q3'21 Q4'21 Q1'22 Q2'22 Q3'22 Change Q4'22 Q4'22/Q3'22 Change 2021 2022 2022/2021 Net interest income 116 147 164 229 196 311 524 748 +42.9% 655 1,778 +171.5% Net fee income 42 55 68 94 79 104 158 202 +27.7% 259 542 +109.6% Gains (losses) on financial transactions and other (9) (14) (8) (29) (37) (83) (169) (197) +16.2% (60) (487) Total revenue 149 188 223 293 237 331 512 753 +47.1% 853 1,833 +114.8% Operating expenses (97) (112) (125) (160) (141) (189) (289) (369) +27.7% (495) (987) +99.4% Net operating income Net loan-loss provisions (8) 21 52 75 98 133 96 143 223 384 +72.2% 358 846 +136.1% (21) (24) (33) (25) (24) (31) (51) +63.2% (86) (132) +53.0% Other gains (losses) and provisions (20) (20) (18) (27) (25) (48) (70) (128) +84.3% (84) (270) +223.0% Underlying profit before tax 24 34 56 74 46 70 122 205 +67.6% 188 443 +135.6% Underlying consolidated profit 26 39 44 59 39 62 78 146 +87.3% 167 325 +94.4% Underlying attributable profit 25 38 44 59 39 62 62 78 146 +87.1% 166 324 +95.1% Santander 55

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