Schedule VI - Supplementary Information Concerning Property-Casualty Insurance Operations

12 Months Ended

Dec. 31, 2011

Supplemental Information for Property, Casualty Insurance Underwriters [Abstract]

Schedule VI - Supplementary Information Concerning Property-Casualty Insurance Operations

Schedule VI

W. R. Berkley Corporation and Subsidiaries

Supplementary Information Concerning Property-Casualty Insurance Operations

Years Ended December 31, 2011, 2010 and 2009

(Amounts in thousands)

	2011			2010			2009
Deferred policy acquisition costs	$	448,795		$	405,942		$	391,360
Reserves for losses and loss expenses	9,337,134			9,016,549			9,071,671
Unearned premium	2,189,575			1,953,721			1,928,428
Premiums earned	4,160,867			3,835,582			3,805,849
Net investment income	526,351			530,525			379,008
Losses and loss expenses incurred:
Current year	2,791,860			2,509,933			2,518,849
Prior years	(181,282		)	(253,248		)	(234,008		)
Loss reserve discount accretion	47,787			53,182			51,866
Amortization of deferred policy acquisition costs	1,034,400			917,217			903,154
Paid losses and loss expenses	2,486,998			2,453,077			2,333,631
Net premiums written	4,357,368			3,850,926			3,730,095

See accompanying Report of Independent Registered Public Accounting Firm.