CORE LABORATORIES N V

CUSIP: N22717107 Class: COM

MARKEL GROUP INC.'s Holding History (CIK: 0001096343)

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

Q2 2017
Shares 110,000 Value ($000) $11,140 Avg Close — Range —
Q1 2017
Shares 110,000 Value ($000) $12,707 Avg Close — Range —
Q4 2016
Shares 110,000 Value ($000) $13,204 Avg Close — Range —
Q3 2016
Shares 110,000 Value ($000) $12,356 Avg Close — Range —
Q2 2016
Shares 110,000 Value ($000) $13,628 Avg Close — Range —
Q1 2016
Shares 110,000 Value ($000) $12,365 Avg Close — Range —
Q4 2015
Shares 109,000 Value ($000) $11,853 Avg Close — Range —
Q3 2015
Shares 109,000 Value ($000) $10,878 Avg Close — Range —
Q2 2015
Shares 109,000 Value ($000) $12,430 Avg Close — Range —
Q1 2015
Shares 102,000 Value ($000) $10,658 Avg Close — Range —
Q4 2014
Shares 25,000 Value ($000) $3,008 Avg Close — Range —
Q3 2014
Shares 10,000 Value ($000) $1,463 Avg Close — Range —
Q2 2014
Shares 10,000 Value ($000) $1,671 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $1,984 Avg Close — Range —
Q4 2013
Shares 10,000 Value ($000) $1,909 Avg Close — Range —
Q3 2013
Shares 10,000 Value ($000) $1,692 Avg Close — Range —
Q2 2013
Shares 6,000 Value ($000) $910 Avg Close — Range —