WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

CAPITAL COUNSEL LLC/NY's Holding History (CIK: 0001114928)

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

Q4 2015

Shares 5,691 Value ($000) $4,136 Avg Close $765.83 Range $721.00 - $808.00

Q3 2015

Shares 5,691 Value ($000) $4,253 Avg Close $719.51 Range $645.00 - $778.19

Q2 2015

Shares 5,691 Value ($000) $3,727 Avg Close $663.32 Range $635.00 - $704.50

Q1 2015

Shares 5,691 Value ($000) $3,896 Avg Close $659.70 Range $618.00 - $696.48

Q4 2014

Shares 5,691 Value ($000) $3,586 Avg Close $635.98 Range $610.00 - $682.87

Q3 2014

Shares 5,691 Value ($000) $3,586 Avg Close $624.10 Range $599.35 - $645.00

Q2 2014

Shares 5,700 Value ($000) $3,468 Avg Close $595.51 Range $583.51 - $608.63

Q1 2014

Shares 6,000 Value ($000) $3,599 Avg Close $583.55 Range $557.26 - $603.88

Q4 2013

Shares 6,200 Value ($000) $3,739 Avg Close $589.37 Range $566.30 - $606.94

Q3 2013

Shares 6,200 Value ($000) $3,519 Avg Close $580.72 Range $555.51 - $615.88

Q2 2013

Shares 6,200 Value ($000) $3,565 Avg Close $583.58 Range $561.79 - $615.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	5,691	$4,136	$765.83	$721.00 - $808.00
Q3 2015	5,691	$4,253	$719.51	$645.00 - $778.19
Q2 2015	5,691	$3,727	$663.32	$635.00 - $704.50
Q1 2015	5,691	$3,896	$659.70	$618.00 - $696.48
Q4 2014	5,691	$3,586	$635.98	$610.00 - $682.87
Q3 2014	5,691	$3,586	$624.10	$599.35 - $645.00
Q2 2014	5,700	$3,468	$595.51	$583.51 - $608.63
Q1 2014	6,000	$3,599	$583.55	$557.26 - $603.88
Q4 2013	6,200	$3,739	$589.37	$566.30 - $606.94
Q3 2013	6,200	$3,519	$580.72	$555.51 - $615.88
Q2 2013	6,200	$3,565	$583.58	$561.79 - $615.00