MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

NWK Group, Inc.'s Holding History (CIK: 0001803054)

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

Q1 2021

Shares 10 Value ($000) $11 Avg Close $1078.65 Range $942.44 - $1169.50

Q4 2020

Shares 10 Value ($000) $10 Avg Close $996.82 Range $913.04 - $1073.43

Q3 2020

Shares 10 Value ($000) $10 Avg Close $1015.77 Range $881.00 - $1124.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	10	$11	$1078.65	$942.44 - $1169.50
Q4 2020	10	$10	$996.82	$913.04 - $1073.43
Q3 2020	10	$10	$1015.77	$881.00 - $1124.00