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WHITE MOUNTAINS INSURANCE GROUP LTD

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

WTM$2,280.00+1.1%Stored close · as of Nov 10, 2026

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

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Consolidated Statements of Cash Flows, and

CONSOLIDATED STATEMENTS OF CASH FLOWS

Nine Months Ended September 30,
Millions20262025
Cash flows from operations:
Net income (loss)$175.3$388.1
Adjustments to reconcile net income to net cash provided from (used for) operations:
Net realized and unrealized investment (gains) losses(92.0)(249.6)
Net realized and unrealized investment (gains) losses from investment in MediaAlpha60.4(1.6)
Net gain on sale of the Bamboo Group(2.4)—
Change in fair value of contingent consideration — Ark71.774.2
Interest income from BAM Surplus Notes, net of interest payments received of $2.7 and $2.4(17.9)(20.1)
Change in fair value of BAM Surplus Notes16.1—
Deferred income tax expense (benefit)18.35.2
Amortization of restricted share awards14.913.6
Amortization (accretion) and depreciation25.72.6
Other operating items:
Net change in reinsurance recoverables(240.0)(335.8)
Net change in insurance premiums, commissions and fees receivable(382.4)(396.5)
Net change in deferred acquisition costs(58.8)(122.6)
Net change in loss and loss adjustment expense reserves266.4363.7
Net change in unearned insurance premiums415.9560.3
Net change in reinsurance payable206.1255.2
Net change in premiums and commissions payable6.618.8
Net change in accrued incentive compensation — Other Operations(44.7)(4.0)
Net change in short-term investments — Kudu(99.0)3.4
Contributions to Kudu’s Participation Contracts(40.0)(119.3)
Proceeds from Kudu’s Participation Contracts sold71.6—
Net other operating activities(40.2)61.0
Net cash provided from (used for) operations331.6496.6
Cash flows from investing activities:
Net change in short-term investments885.8(64.4)
Sales of fixed maturity investments661.0301.7
Maturities, calls and paydowns of fixed maturity investments400.5309.4
Sales of common equity securities109.6251.0
Distributions and redemptions of other long-term investments45.4109.8
Net release of cash (pre-funding) of investment purchases(170.0)—
Proceeds from the sale of Bamboo Group6.0—
Purchases of consolidated subsidiaries, net of cash acquired of $7.4 and $1.9(179.3)(342.2)
Purchases of fixed maturity investments(1,429.1)(759.6)
Purchases of common equity securities(155.0)—
Purchases of other long-term investments(377.6)(278.1)
Payments of principal received on the BAM Surplus Notes5.35.6
Net other investing activities4.714.9
Net cash provided from (used for) investing activities(192.7)(451.9)
Cash flows from financing activities:
Draw down of debt and revolving lines of credit260.9212.4
Repayment of debt and revolving lines of credit(169.8)(5.6)
Cash dividends paid to common shareholders(2.4)(2.6)
Repurchases and retirements of common shares(216.8)(9.9)
Contributions from other noncontrolling interests8.01.2
Distributions to other noncontrolling interests(39.1)(60.1)
Net other financing activities2.127.7
Net cash provided from (used for) financing activities(157.1)163.1
Net change in cash during the period(18.2)207.8
Cash balance at beginning of period (includes restricted cash balances of $1.2 and $14.1, unrestricted cash held for sale of $0.7 and $16.0 and restricted cash held for sale of $0.0 and $59.5)185.6266.4
Cash balance at end of period (includes restricted cash balances of $32.4 and $8.4, unrestricted cash held for sale of $0.4 and $36.6 and restricted cash held for sale of $0.0 and $100.2)$167.4$474.2
Supplemental cash flows information:
Interest paid$(51.4)$(49.2)
Net income tax payments$(28.2)$(21.3)
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