White Mountains Announces Final Results of Its Tender Offer

Core Viewpoint - White Mountains Insurance Group, Ltd. has completed a "modified Dutch auction" tender offer, purchasing shares at a final price of $2,050.00 per share, totaling approximately $131.3 million for 64,064 shares, which represents about 2.5% of its outstanding shares as of November 19, 2025 [1][2]. Group 1 - The tender offer expired on December 19, 2025, at midnight New York City time [1]. - The company will have approximately 2,479,677 common shares outstanding after the payment for the accepted shares [2]. - Payment for the shares purchased will be made promptly following the tender offer [2]. Group 2 - Shareholders seeking additional information can contact D.F. King & Co., the information agent for the tender offer [3]. - The dealer managers for the tender offer were BofA Securities, Inc. and Barclays Capital Inc. [3]. - White Mountains is listed on the New York Stock Exchange under the symbol "WTM" and on the Bermuda Stock Exchange under "WTM-BH" [3].