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SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION
 12 Months Ended
Dec. 31, 2015
Supplementary Insurance Information [Abstract]  
SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION
WHITE MOUNTAINS INSURANCE GROUP, LTD.
SUPPLEMENTARY INSURANCE INFORMATION(4) 
(Millions)

Column A
 
Column B
 
Column C
 
Column D
 
Column E
 
Column F
 
Column G
 
Column H
 
Column I
 
Column J
 
Column K
Segment






Millions
 
Deferred
acquisition
costs
 
Future policy
benefits, losses, claims
and loss
expenses
 
Unearned
premiums
 
Other policy
claims and
benefits
payable
 
Premiums
earned
 
Net
investment
income (1)
 
Benefits,
claims,
losses, and
settlement
expenses
 
Amortization
of deferred
policy
acquisition
costs
 
Other
operating
expenses
 
Premiums
written
Years ended:
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

December 31, 2015
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

OneBeacon(2)
 
$
100.7

 
$
1,389.8

 
$
560.3

 
$
—

 
$
1,176.2

 
$
45.9

 
$
700.7

 
$
213.8

 
$
218.2

 
$
1,136.6

HG Global/BAM
 
6.9

 
—

 
50.2

 
—

 
3.3

 
6.1

 
—

 
2.9

 
.4

 
25.9

Other operations(3)
 
—

 
6.0

 
2.1

 
—

 
8.7

 
.2

 
8.2

 
3.4

 
—

 
10.1

December 31, 2014
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

OneBeacon(2)
 
$
103.2

 
$
1,342.2

 
$
588.3

 
$
—

 
$
1,177.1

 
$
43.4

 
$
815.1

 
$
203.3

 
$
179.2

 
$
1,216.9

HG Global/BAM
 
4.0

 
—

 
27.6

 
—

 
1.8

 
7.1

 
—

 
2.1

 
.4

 
16.2

Other operations
 
—

 
7.8

 
0.8

 
—

 
6.1

 
.2

 
8.9

 
0.8

 
—

 
5.9

December 31, 2013
 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

 
 

OneBeacon(2)
 
$
103.7

 
$
1,054.3

 
$
544.9

 
$
—

 
$
1,120.4

 
$
43.0

 
$
622.1

 
$
208.9

 
$
204.8

 
$
1,088.6

Other operations
 
—

 
—

 
—

 
—

 
—

 
.1

 
—

 
—

 
—

 
—

(1) 
The amounts shown exclude net investment income relating to non-insurance operations of $8.6, $8.8 and $11.0 for the twelve months ended December 31, 2015, 2014 and 2013, respectively.
(2) 
The amounts shown excludes balances reclassified to held for sale in the consolidated balance sheets related to the Runoff Transaction as of December 31, 2013 and 2012 and to AutoOne as of December 31, 2011. See Note 22 - “Discontinued Operations”.
(3) 
The Other operations amounts shown relate to SSIE. SSIE’s results are attributed to non-controlling interests.
(4) Schedule excludes activity related to Sirius Group for all periods presented. See Note 22 - “Discontinued Operations”.


























Schedules of the Registrant should be read in conjunction with the Consolidated Financial Statements and Notes.