- White Mountains Insurance Group, Ltd. (WTM) has signed a definitive agreement to sell a controlling interest in **Bamboo**, a data-enabled insurance distribution platform, to funds advised by **CVC Capital Partners**.  **[776867_0001628280-25-044062_wtmexhibit991.htm:0]** 
- The transaction values Bamboo at **$1.75 billion**.  **[776867_0001628280-25-044062_wtmexhibit991.htm:0]** 
- White Mountains expects the transaction to result in a gain of approximately **$310** to its book value per share and net cash proceeds of approximately **$840 million**.  **[776867_0001628280-25-044062_wtmexhibit991.htm:0]** 
- White Mountains will retain an approximately **15%** fully-diluted equity stake in Bamboo post-closing, valued at **$250 million** based on the transaction.  **[776867_0001628280-25-044062_wtmexhibit991.htm:0]** 
- The transaction is expected to close by the **end of the fourth quarter of 2025**.  **[776867_0001628280-25-044062_wtmexhibit991.htm:0]**

White Mountains to Sell Controlling Interest in Bamboo to CVC

- White Mountains Insurance Group, Ltd. (WTM) has signed a definitive agreement to sell a controlling interest in Bamboo, a data-enabled insurance distribution platform, to funds advised by CVC Capital Partners.  **[776867_20251003NE89865:0]** 
- The transaction values Bamboo at **$1.75 billion**.  **[776867_20251003NE89865:0]** 
- White Mountains expects the sale to result in a gain of approximately **$310** to its book value per share and net cash proceeds of approximately **$840 million**.  **[776867_20251003NE89865:0]** 
- White Mountains will retain an approximately **15%** fully-diluted equity stake in Bamboo, valued at **$250 million**.  **[776867_20251003NE89865:0]** 
- The transaction is expected to close by the **end of the fourth quarter of 2025**.  **[776867_20251003NE89865:0]**

White Mountains to Sell Controlling Interest in Bamboo

- White Mountains Insurance Group, Ltd. **closed the acquisition of 50% of AQ Phoenix Parent, L.P (\u201cDistinguished Programs\u201d)** on **September 2, 2025**.  **[776867_0000776867-25-000016_wtm-20250902.htm:1]** 
- The acquisition was completed for **$224 million in cash**.  **[776867_0000776867-25-000016_wtm-20250902.htm:1]** 
- As a result of the acquisition, White Mountains now holds a **51% controlling interest in Distinguished Programs**, inclusive of its existing approximately 1% interest.  **[776867_0000776867-25-000016_wtm-20250902.htm:1]**

WHITE MOUNTAINS INSURANCE GROUP (WTM)