MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Madison Avenue Partners, LP's Holding History (CIK: 0001801265)

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

Q4 2025

Shares 87,889 Value ($000) $188,931 Avg Close $2025.92 Range $1812.24 - $2207.59

Q3 2025

Shares 84,310 Value ($000) $161,147 Avg Close $1960.42 Range $1889.91 - $2075.92

Q2 2025

Shares 84,310 Value ($000) $168,397 Avg Close $1875.20 Range $1621.89 - $2004.24

Q1 2025

Shares 91,357 Value ($000) $170,802 Avg Close $1839.75 Range $1641.51 - $2063.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	87,889	$188,931	$2025.92	$1812.24 - $2207.59
Q3 2025	84,310	$161,147	$1960.42	$1889.91 - $2075.92
Q2 2025	84,310	$168,397	$1875.20	$1621.89 - $2004.24
Q1 2025	91,357	$170,802	$1839.75	$1641.51 - $2063.68