MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q4 2025

Shares 2,596 Value ($000) $5,577 Avg Close $2025.92 Range $1812.24 - $2207.59

Q3 2025

Shares 2,862 Value ($000) $5,471 Avg Close $1960.42 Range $1889.91 - $2075.92

Q2 2025

Shares 3,168 Value ($000) $6,327 Avg Close $1875.20 Range $1621.89 - $2004.24

Q1 2025

Shares 3,191 Value ($000) $5,965 Avg Close $1839.75 Range $1641.51 - $2063.68

Q4 2024

Shares 3,962 Value ($000) $6,839 Avg Close $1659.34 Range $1521.25 - $1809.11

Q3 2024

Shares 2,856 Value ($000) $4,479 Avg Close $1565.15 Range $1491.03 - $1660.74

Q2 2024

Shares 2,739 Value ($000) $4,316 Avg Close $1552.86 Range $1417.65 - $1670.24

Q1 2024

Shares 2,570 Value ($000) $3,910 Avg Close $1466.28 Range $1342.66 - $1534.62

Q4 2023

Shares 2,537 Value ($000) $3,602 Avg Close $1418.73 Range $1295.65 - $1528.08

Q3 2023

Shares 2,238 Value ($000) $3,295 Avg Close $1463.82 Range $1345.00 - $1560.00

Q2 2023

Shares 2,128 Value ($000) $2,943 Avg Close $1340.97 Range $1272.43 - $1400.00

Q1 2023

Shares 2,339 Value ($000) $3 Avg Close $1328.48 Range $1186.56 - $1458.56

Q4 2022

Shares 2,218 Value ($000) $3 Avg Close $1237.05 Range $1085.09 - $1356.37

Q3 2022

Shares 1,954 Value ($000) $2,119 Avg Close $1220.12 Range $1064.09 - $1335.10

Q2 2019

Shares 1,084 Value ($000) $1,181 Avg Close $1047.93 Range $970.42 - $1099.00

Q1 2019

Shares 582 Value ($000) $580 Avg Close $1015.52 Range $950.16 - $1081.00

Q4 2018

Shares 517 Value ($000) $537 Avg Close $1093.58 Range $954.39 - $1203.43

Q3 2018

Shares 635 Value ($000) $755 Avg Close $1176.81 Range $1078.02 - $1228.32

Q2 2018

Shares 634 Value ($000) $687 Avg Close $1129.38 Range $1083.92 - $1180.00

Q1 2018

Shares 542 Value ($000) $634 Avg Close $1125.56 Range $1049.95 - $1194.98

Q4 2017

Shares 623 Value ($000) $710 Avg Close $1093.18 Range $1054.20 - $1157.30

Q3 2017

Shares 953 Value ($000) $1,017 Avg Close $1034.02 Range $963.79 - $1086.68

Q2 2017

Shares 623 Value ($000) $608 Avg Close $970.65 Range $936.95 - $996.38

Q1 2017

Shares 657 Value ($000) $641 Avg Close $945.13 Range $887.40 - $992.00

Q4 2016

Shares 661 Value ($000) $598 Avg Close $891.63 Range $811.05 - $931.94

Q2 2015

Shares 707 Value ($000) $566 Avg Close $777.66 Range $736.96 - $821.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,596	$5,577	$2025.92	$1812.24 - $2207.59
Q3 2025	2,862	$5,471	$1960.42	$1889.91 - $2075.92
Q2 2025	3,168	$6,327	$1875.20	$1621.89 - $2004.24
Q1 2025	3,191	$5,965	$1839.75	$1641.51 - $2063.68
Q4 2024	3,962	$6,839	$1659.34	$1521.25 - $1809.11
Q3 2024	2,856	$4,479	$1565.15	$1491.03 - $1660.74
Q2 2024	2,739	$4,316	$1552.86	$1417.65 - $1670.24
Q1 2024	2,570	$3,910	$1466.28	$1342.66 - $1534.62
Q4 2023	2,537	$3,602	$1418.73	$1295.65 - $1528.08
Q3 2023	2,238	$3,295	$1463.82	$1345.00 - $1560.00
Q2 2023	2,128	$2,943	$1340.97	$1272.43 - $1400.00
Q1 2023	2,339	$3	$1328.48	$1186.56 - $1458.56
Q4 2022	2,218	$3	$1237.05	$1085.09 - $1356.37
Q3 2022	1,954	$2,119	$1220.12	$1064.09 - $1335.10
Q2 2019	1,084	$1,181	$1047.93	$970.42 - $1099.00
Q1 2019	582	$580	$1015.52	$950.16 - $1081.00
Q4 2018	517	$537	$1093.58	$954.39 - $1203.43
Q3 2018	635	$755	$1176.81	$1078.02 - $1228.32
Q2 2018	634	$687	$1129.38	$1083.92 - $1180.00
Q1 2018	542	$634	$1125.56	$1049.95 - $1194.98
Q4 2017	623	$710	$1093.18	$1054.20 - $1157.30
Q3 2017	953	$1,017	$1034.02	$963.79 - $1086.68
Q2 2017	623	$608	$970.65	$936.95 - $996.38
Q1 2017	657	$641	$945.13	$887.40 - $992.00
Q4 2016	661	$598	$891.63	$811.05 - $931.94
Q2 2015	707	$566	$777.66	$736.96 - $821.00