MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

PROSPECTOR PARTNERS LLC's Holding History (CIK: 0001080380)

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

Q3 2023

Shares 6,852 Value ($000) $10,090 Avg Close $1463.82 Range $1345.00 - $1560.00

Q2 2023

Shares 6,852 Value ($000) $9,478 Avg Close $1340.97 Range $1272.43 - $1400.00

Q1 2023

Shares 6,802 Value ($000) $8,689 Avg Close $1328.48 Range $1186.56 - $1458.56

Q4 2022

Shares 6,626 Value ($000) $8,730 Avg Close $1237.05 Range $1085.09 - $1356.37

Q3 2022

Shares 5,773 Value ($000) $6,259 Avg Close $1220.12 Range $1064.09 - $1335.10

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	6,852	$10,090	$1463.82	$1345.00 - $1560.00
Q2 2023	6,852	$9,478	$1340.97	$1272.43 - $1400.00
Q1 2023	6,802	$8,689	$1328.48	$1186.56 - $1458.56
Q4 2022	6,626	$8,730	$1237.05	$1085.09 - $1356.37
Q3 2022	5,773	$6,259	$1220.12	$1064.09 - $1335.10