MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

GRIFFIN ASSET MANAGEMENT, INC.'s Holding History (CIK: 0000883803)

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

Q4 2025

Shares 450 Value ($000) $967 Avg Close $2025.92 Range $1812.24 - $2207.59

Q4 2019

Shares 178 Value ($000) $203 Avg Close $1138.97 Range $1100.00 - $1216.47

Q3 2019

Shares 178 Value ($000) $210 Avg Close $1136.16 Range $1065.01 - $1204.45

Q2 2019

Shares 278 Value ($000) $303 Avg Close $1047.93 Range $970.42 - $1099.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	450	$967	$2025.92	$1812.24 - $2207.59
Q4 2019	178	$203	$1138.97	$1100.00 - $1216.47
Q3 2019	178	$210	$1136.16	$1065.01 - $1204.45
Q2 2019	278	$303	$1047.93	$970.42 - $1099.00