MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

TWIN CAPITAL MANAGEMENT INC's Holding History (CIK: 0001059187)

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

Q3 2018

Shares 236 Value ($000) $280 Avg Close $1176.81 Range $1078.02 - $1228.32

Q2 2018

Shares 255 Value ($000) $277 Avg Close $1129.38 Range $1083.92 - $1180.00

Q1 2018

Shares 480 Value ($000) $562 Avg Close $1125.56 Range $1049.95 - $1194.98

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	236	$280	$1176.81	$1078.02 - $1228.32
Q2 2018	255	$277	$1129.38	$1083.92 - $1180.00
Q1 2018	480	$562	$1125.56	$1049.95 - $1194.98