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WHITE MOUNTAINS INSURANCE GROUP LTD

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

WTM$2,256.20+0.7%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Valuation of qualifying accounts

SCHEDULE V

VALUATION AND QUALIFYING ACCOUNTS

Column A · Column B · Column C · Column D · Column E
Additions (subtractions)
MillionsBalance at beginning ofperiodCharged to costsand expensesCharged to otheraccountsDeductions described (1)Balance at end ofperiod
Years ended:
Ark/WM Outrigger
Reinsurance recoverables:
Allowance for uncollectible balances$10.2$1.4$—$—$11.6
Reinsurance recoverables:
Allowance for uncollectible balances7.72.5——10.2
Reinsurance recoverables:
Allowance for uncollectible balances7.8(.2)—.17.7

(1)Represents net collections (charge-offs) of balances receivable and foreign currency translation.

FS - 7

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.