Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2015

White Mountains accounts for its financial instruments at fair value with the exception of the OBH Senior Notes and the SIG Senior Notes, which are recorded as debt at face value less unamortized original issue discount, and the SIG Preference Shares, which are recorded as non-controlling interest at face value.

The following table summarizes the fair value and carrying value of financial instruments as of June 30, 2015 and December 31, 2014:



	June 30, 2015				December 31, 2014
Millions	Fair Value		Carrying Value		Fair Value		Carrying Value
2012 OBH Senior Notes	$	280.4	$	274.7	$	286.0	$	274.7
SIG Senior Notes	437.8		399.7		437.8		399.7
SIG Preference Shares	261.8		250.0		260.0		250.0
Tranzact Bank Facility	70.2		70.6		68.7		68.7

The fair value estimate for the 2012 OBH Senior Notes has been determined using quoted market prices. The 2012 OBH Senior Notes are considered a Level 2 measurement based upon the volume and frequency of observable transactions. The fair value estimates for the SIG Senior Notes and the SIG Preference Shares have been determined based on indicative broker quotes and are considered to be Level 3 measurements. The fair value estimate for the Tranzact Bank Facility has been determined based on a discounted cash flows approach and is considered to be a Level 3 measurement.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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