Schedule IV - Reinsurance

12 Months Ended

Dec. 31, 2014

Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract]

Schedule IV - Reinsurance

Schedule IV

W. R. Berkley Corporation and Subsidiaries

Reinsurance

Years ended December 31, 2014, 2013 and 2012

	Premiums Written
(In thousands, other than percentages)	Direct Amount		Ceded to Other Companies		Assumed from Other Companies		Net Amount		Percentage of Amount Assumed to Net
Year ended December 31, 2014:
Insurance-Domestic	$	5,214,849	$	866,092	$	168,830	$	4,517,587	3.7	%
Insurance-International	927,799		156,195		56,472		828,076		6.8	%
Reinsurance-Global	42,594		43,604		652,294		651,284		100.2	%
Total	$	6,185,242	$	1,065,891	$	877,596	$	5,996,947	14.6	%
Year ended December 31, 2013:
Insurance-Domestic	$	4,699,348	$	809,368	$	104,407	$	3,994,387	2.6	%
Insurance-International	887,027		142,591		11,749		756,185		1.6	%
Reinsurance-Global	39,797		58,959		768,763		749,601		102.6	%
Total	$	5,626,172	$	1,010,918	$	884,919	$	5,500,173	16.1	%
Year ended December 31, 2012:
Insurance-Domestic	$	4,133,960	$	691,284	$	127,207	$	3,569,883	3.6	%
Insurance-International	798,750		137,598		3,307		664,459		0.5	%
Reinsurance-Global	31,359		52,458		685,296		664,197		103.2	%
Total	$	4,964,069	$	881,340	$	815,810	$	4,898,539	16.7	%

See accompanying Report of Independent Registered Public Accounting Firm.