White Mountains renews Outrigger Re sidecar with $230M total capital for 2025

WHITE MOUNTAINS INSURANCE GROUP LTD

Outrigger Re renewed on similar terms as 2024; quota share with Ark on global property catastrophe portfolio starting Jan 1, 2025.
Total investor capital of $230M for Jan 1, 2025 renewals; White Mountains contributed $150M.
Remaining $80M from continuing third-party investors; sidecar provides collateralized reinsurance protection.
White Mountains is parent of Ark Insurance Holdings, the specialty P&C reinsurance subsidiary.

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