**Exhibit12**

**ONEBEACON INSURANCE GROUP, LTD.**

**Computationof Ratio of Earnings to Fixed Charges**

**($in millions except ratios)**
| ** **                                                                                                                         | ** ** | **Year Ended** | ** ** |
|------------------------------------------------------------------------------------------------------------------------------------|------------|---------------------|------------|
| ** **                                                                                                                         | ** ** | **2002**            | ** ** | **2003** | ** ** | **2004** | ** ** | **2005** | ** ** | **2006** | ** ** |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Consolidated pretax (loss)  income from continuing operations before equity in earnings of affiliates and  discontinued operations |       | $                   | (36.2      | ) | $ | 234.4 |   | $ | 160.1 |   | $ | 186.3 |   | $ | 245.5 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Distributed income of  equity investees                                                                                            |       | —              |       | 3.7 |   | — |   | — |   | 70.0 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Interest expense on  debt                                                                                                          |       | 69.3                |       | 46.6 |   | 45.0 |   | 44.1 |   | 45.5 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Interest portion of  rental expense                                                                                                |       | 6.3                 |       | 12.4 |   | 11.4 |   | 11.6 |   | 11.3 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Earnings                                                                                                                           |       | $                   | 39.4       |   | $ | 297.1 |   | $ | 216.5 |   | $ | 242.0 |   | $ | 372.3 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Interest expense on  debt                                                                                                          |       | 69.3                |       | 46.6 |   | 45.0 |   | 44.1 |   | 45.5 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Interest portion of  rental expense                                                                                                |       | 6.3                 |       | 12.4 |   | 11.4 |   | 11.6 |   | 11.3 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| Fixed charges                                                                                                                      |       | $                   | 75.6       |   | $ | 59.0 |   | $ | 56.4 |   | $ | 55.7 |   | $ | 56.8 |   |
|                                                                                                                               |       |                |       |   |   |   |   |   |   |   |   |
| **Ratio of earnings to fixed charges**                                                                                             | ** ** | **0.5**             | ** ** | **5.0** | ** ** | **3.8** | ** ** | **4.3** | ** ** | **6.6** | ** ** |

 

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