MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

SANDERS MORRIS HARRIS LLC's Holding History (CIK: 0001053994)

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

Q1 2020

Shares 350 Value ($000) $390 Avg Close $1143.50 Range $710.52 - $1347.64

Q4 2019

Shares 300 Value ($000) $347 Avg Close $1138.97 Range $1100.00 - $1216.47

Q3 2019

Shares 300 Value ($000) $345 Avg Close $1136.16 Range $1065.01 - $1204.45

Q2 2019

Shares 300 Value ($000) $333 Avg Close $1047.93 Range $970.42 - $1099.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	350	$390	$1143.50	$710.52 - $1347.64
Q4 2019	300	$347	$1138.97	$1100.00 - $1216.47
Q3 2019	300	$345	$1136.16	$1065.01 - $1204.45
Q2 2019	300	$333	$1047.93	$970.42 - $1099.00