Financial Highlights
As of December 31, 2009

Book Value per Share

$15.03

Change in Book Value per Share,
Including Dividends

30.6%

OneBeacon’s Shareholders’ Equity

$1.4 billion

Total Assets

$7.5 billion

Total Liabilities

$6.1 billion

Comprehensive Net Income Attributable
to OneBeacon’s Shareholders

$360.8 million

Net Written Premium

$1.9 billion

Combined Ratio

94.4%

Total Return on Invested Assets

9.9%