NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

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

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

Q2 2014

Shares 140,000 Value ($000) $8,989 Avg Close $45.46 Range $42.93 - $48.59

Q1 2014

Shares 140,000 Value ($000) $9,178 Avg Close $45.55 Range $42.73 - $49.47

Q4 2013

Shares 140,000 Value ($000) $8,665 Avg Close $41.82 Range $38.19 - $45.43

Q3 2013

Shares 140,000 Value ($000) $7,613 Avg Close $41.67 Range $39.30 - $44.95

Q2 2013

Shares 140,000 Value ($000) $8,106 Avg Close $40.35 Range $37.41 - $42.83

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	140,000	$8,989	$45.46	$42.93 - $48.59
Q1 2014	140,000	$9,178	$45.55	$42.73 - $49.47
Q4 2013	140,000	$8,665	$41.82	$38.19 - $45.43
Q3 2013	140,000	$7,613	$41.67	$39.30 - $44.95
Q2 2013	140,000	$8,106	$40.35	$37.41 - $42.83