SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION

12 Months Ended

Dec. 31, 2014

Supplementary Insurance Information [Abstract]

SCHEDULE III SUPPLEMENTARY INSURANCE INFORMATION

WHITE MOUNTAINS INSURANCE GROUP, LTD.

SUPPLEMENTARY INSURANCE INFORMATION

(Millions)



Column A	Column B		Column C		Column D		Column E		Column F		Column G		Column H		Column I		Column J		Column K
Segment	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, 2014
OneBeacon⁽²⁾	$	103.2	$	1,342.2	$	588.3	$	—	$	1,177.1	$	41.7	$	815.1	$	203.3	$	179.2	$	1,216.9
Sirius Group	69.9		1,809.8		338.6		—		873.9		41.1		345.3		193.6		129.7		882.5
HG Global/BAM	4.0		—		27.6		—		1.8		7.1		—		2.1		.4		16.2
Other operations⁽³⁾	—		7.8		.8		—		6.1		.2		8.9		.8		—		5.9
December 31, 2013
OneBeacon⁽²⁾	$	103.7	$	1,054.3	$	544.9	$	—	$	1,120.4	$	41.1	$	622.1	$	208.9	$	204.8	$	1,088.6
Sirius Group	69.3		2,025.0		343.3		—		866.4		30.3		418.4		166.5		126.1		876.6
HG Global/BAM	1.7		—		13.2		—		.5		5.7		—		1.5		.4		13.6
Other operations	—		—		—		—		—		.1		—		—		—		—
December 31, 2012
OneBeacon⁽²⁾	$	123.9	$	1,000.0	$	573.8	$	—	$	1,132.0	$	53.6	$	650.0	$	249.4	$	205.2	$	1,179.2
Sirius Group	71.4		2,168.9		350.2		—		931.6		65.0		543.9		180.8		116.4		947.7
Other operations	—		—		—		—		—		.5		—		—		—		—


⁽¹⁾	The amounts shown exclude net investment income relating to non-insurance operations of $14.9, $33.7 and $32.3 for the twelve months ended December 31, 2014, 2013 and 2012, 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.

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

- Definition

The entire disclosure for required supplementary insurance information giving segment detail in support of various balance sheet and income statement captions. The balance sheet information generally is presented as of the date of each audited balance sheet filed, and the income statement information generally is presented for each period for which an audited income statement is required to be filed. Supplementary insurance information table includes segment name; deferred policy acquisition costs; future policy benefits, losses, claims and loss expenses; unearned premiums; other policy claims and benefits payable; premium revenue; net investment income; benefits, claims, losses and settlement expenses; amortization of deferred policy acquisition costs; other operating expenses; and premiums written.

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