MARKEL CORP

Ticker: MKL CUSIP: 570535104 Class: COMMON STOCK

CenterStar Asset Management, LLC's Holding History (CIK: 0001722053)

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

Q1 2020

Shares 225 Value ($000) $213 Avg Close $1143.50 Range $710.52 - $1347.64

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	225	$213	$1143.50	$710.52 - $1347.64