MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Winch Advisory Services, LLC's Holding History (CIK: 0001585822)

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

Q1 2018

Shares 39 Value ($000) $46 Avg Close $1125.56 Range $1049.95 - $1194.98

Q4 2017

Shares 39 Value ($000) $44 Avg Close $1093.18 Range $1054.20 - $1157.30

Q3 2017

Shares 39 Value ($000) $42 Avg Close $1034.02 Range $963.79 - $1086.68

Q2 2017

Shares 41 Value ($000) $40 Avg Close $970.65 Range $936.95 - $996.38

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	39	$46	$1125.56	$1049.95 - $1194.98
Q4 2017	39	$44	$1093.18	$1054.20 - $1157.30
Q3 2017	39	$42	$1034.02	$963.79 - $1086.68
Q2 2017	41	$40	$970.65	$936.95 - $996.38