BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

Banco Santander, S.A.'s Holding History (CIK: 0000891478)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,835 Value ($000) $1,964 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 4,846 Value ($000) $5,650 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 6,807 Value ($000) $7,142 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 9,135 Value ($000) $8,646 Avg Close $961.85 Range $885.02 - $1062.44

Q4 2024

Shares 8,719 Value ($000) $8,938 Avg Close $991.05 Range $896.06 - $1060.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,835	$1,964	$1089.41	$985.78 - $1214.03
Q3 2025	4,846	$5,650	$1108.77	$1023.93 - $1177.77
Q2 2025	6,807	$7,142	$933.09	$762.34 - $1044.14
Q1 2025	9,135	$8,646	$961.85	$885.02 - $1062.44
Q4 2024	8,719	$8,938	$991.05	$896.06 - $1060.71