WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

ROBOTTI ROBERT's Holding History (CIK: 0001105838)

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

Q1 2018

Shares 500 Value ($000) $411 Avg Close $825.48 Range $786.23 - $858.09

Q4 2017

Shares 325 Value ($000) $277 Avg Close $874.10 Range $841.33 - $903.26

Q3 2017

Shares 325 Value ($000) $279 Avg Close $859.82 Range $838.65 - $888.00

Q2 2017

Shares 325 Value ($000) $282 Avg Close $867.55 Range $845.41 - $900.05

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	500	$411	$825.48	$786.23 - $858.09
Q4 2017	325	$277	$874.10	$841.33 - $903.26
Q3 2017	325	$279	$859.82	$838.65 - $888.00
Q2 2017	325	$282	$867.55	$845.41 - $900.05