MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

Sterling Investment Advisors, Ltd.'s Holding History (CIK: 0001701132)

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

Q3 2018

Shares 4 Value ($000) $5 Avg Close $1176.81 Range $1078.02 - $1228.32

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	4	$5	$1176.81	$1078.02 - $1228.32