| Earned premiums | 277.9M |
| Net investment income | 11.8M |
| Net realized and unrealized investment gains (losses) | 15.5M |
| Net other expenses | |
| Total revenues | 307M |
| Loss and LAE | 162.8M |
| Policy acquisition expenses | 55.1M |
| Other underwriting expenses | 49.4M |
| General and administrative expenses | -3.5M |
| Interest expense on debt | 3.3M |
| Total expenses | 274.1M |
| Pre-tax income | 32.9M |
| Income tax (expense) benefit | -4.6M |
| Net income including noncontrolling interests | 28.3M |
| Less: Net income attributable to noncontrolling interests | 0 |
| Net income attributable to OneBeacon's common shareholders | |
| Change in other comprehensive income and loss items | |
| Comprehensive income attributable to OneBeacon's common shareholders | 28.6M |
| Net income attributable to OneBeacon's common shareholders (in dollars per share) | 0.3 |
| Dividends declared and paid per OneBeacon's common share (in dollars per share) | 0.21 |