EX-23 6 wtm10-k2025exhibit23.htm EX-23
Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-220469 and 333-83206) of White Mountains Insurance Group, Ltd. of our report dated February 27, 2026 relating to the financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
Atlanta, Georgia
February 27, 2026