MARKEL CORP

CUSIP: 57053510 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2014
Shares 15,295 Value ($000) $10,444 Avg Close — Range —
Q3 2014
Shares 15,295 Value ($000) $9,730 Avg Close — Range —
Q2 2014
Shares 1,486 Value ($000) $974 Avg Close — Range —
Q1 2014
Shares 4,786 Value ($000) $2,853 Avg Close — Range —
Q4 2013
Shares 47,993 Value ($000) $27,853 Avg Close — Range —
Q3 2013
Shares 3,162 Value ($000) $1,637 Avg Close — Range —
Q2 2013
Shares 3,347 Value ($000) $1,764 Avg Close — Range —