SEGMENT REPORTING

The Company’s reportable segments are defined as follows: (1) Property, which is comprised of catastrophe and other property reinsurance and insurance written on behalf of the Company’s operating subsidiaries and certain joint ventures managed by the Company’s ventures unit, and (2) Casualty and Specialty, which is comprised of casualty and specialty reinsurance and insurance written on behalf of the Company’s operating subsidiaries and certain joint ventures managed by the Company’s ventures unit. In addition to its reportable segments, the Company has an Other category, which primarily includes its strategic investments, investments unit, corporate expenses, capital servicing costs, noncontrolling interests and the remnants of its former Bermuda-based insurance operations.

The Company’s Property segment is managed by the Chief Underwriting Officer - Property and the Casualty and Specialty segment is managed by the Chief Underwriting Officer - Casualty and Specialty, each of whom operate under the direction of the Company’s Group Chief Underwriting Officer, who in turn reports to the Company’s President and Chief Executive Officer.

The Company does not manage its assets by segment; accordingly, net investment income and total assets are not allocated to the segments.

A summary of the significant components of the Company’s revenues and expenses by segment is as follows:




Three months ended June 30, 2018	Property			Casualty and Specialty			Other			Total
Gross premiums written	$	552,627		$	424,716		$	—		$	977,343
Net premiums written	$	297,832		$	306,677		$	—		$	604,509
Net premiums earned	$	204,138		$	225,247		$	—		$	429,385
Net claims and claim expenses incurred	(74,269		)	134,524			(88		)	60,167
Acquisition expenses	40,850			64,201			1			105,052
Operational expenses	23,810			13,552			181			37,543
Underwriting income (loss)	$	213,747		$	12,970		$	(94	)	226,623
Net investment income							71,356			71,356
Net foreign exchange losses							(10,687		)	(10,687		)
Equity in earnings of other ventures							5,826			5,826
Other income							1,225			1,225
Net realized and unrealized losses on investments							(17,901		)	(17,901		)
Corporate expenses							(8,301		)	(8,301		)
Interest expense							(11,768		)	(11,768		)
Income before taxes										256,373
Income tax expense							(4,506		)	(4,506		)
Net income attributable to redeemable noncontrolling interests							(54,483		)	(54,483		)
Dividends on preference shares							(5,596		)	(5,596		)
Net income available to RenaissanceRe common shareholders										$	191,788

Net claims and claim expenses incurred – current accident year	$	68,876		$	147,520		$	—		$	216,396
Net claims and claim expenses incurred – prior accident years	(143,145		)	(12,996		)	(88		)	(156,229		)
Net claims and claim expenses incurred – total	$	(74,269	)	$	134,524		$	(88	)	$	60,167

Net claims and claim expense ratio – current accident year	33.7		%	65.5		%				50.4		%
Net claims and claim expense ratio – prior accident years	(70.1		)%	(5.8		)%				(36.4		)%
Net claims and claim expense ratio – calendar year	(36.4		)%	59.7		%				14.0		%
Underwriting expense ratio	31.7		%	34.5		%				33.2		%
Combined ratio	(4.7		)%	94.2		%				47.2		%



Six months ended June 30, 2018	Property			Casualty and Specialty			Other			Total
Gross premiums written	$	1,259,595		$	877,400		$	—		$	2,136,995
Net premiums written	$	651,909		$	615,644		$	—		$	1,267,553
Net premiums earned	$	429,187		$	440,480		$	—		$	869,667
Net claims and claim expenses incurred	(43,662		)	275,602			(70		)	231,870
Acquisition expenses	81,571			121,191			1			202,763
Operational expenses	50,356			28,145			314			78,815
Underwriting income (loss)	$	340,922		$	15,542		$	(245	)	356,219
Net investment income							127,832			127,832
Net foreign exchange losses							(6,930		)	(6,930		)
Equity in earnings of other ventures							6,683			6,683
Other loss							(17		)	(17		)
Net realized and unrealized losses on investments							(100,045		)	(100,045		)
Corporate expenses							(15,034		)	(15,034		)
Interest expense							(23,535		)	(23,535		)
Income before taxes										345,173
Income tax expense							(1,099		)	(1,099		)
Net income attributable to redeemable noncontrolling interests							(84,382		)	(84,382		)
Dividends on preference shares							(11,191		)	(11,191		)
Net income available to RenaissanceRe common shareholders										$	248,501

Net claims and claim expenses incurred – current accident year	$	127,045		$	292,389		$	—		$	419,434
Net claims and claim expenses incurred – prior accident years	(170,707		)	(16,787		)	(70		)	(187,564		)
Net claims and claim expenses incurred – total	$	(43,662	)	$	275,602		$	(70	)	$	231,870

Net claims and claim expense ratio – current accident year	29.6		%	66.4		%				48.2		%
Net claims and claim expense ratio – prior accident years	(39.8		)%	(3.8		)%				(21.5		)%
Net claims and claim expense ratio – calendar year	(10.2		)%	62.6		%				26.7		%
Underwriting expense ratio	30.8		%	33.9		%				32.3		%
Combined ratio	20.6		%	96.5		%				59.0		%




Three months ended June 30, 2017	Property			Casualty and Specialty			Other			Total
Gross premiums written	$	499,347		$	328,068		$	—		$	827,415
Net premiums written	$	336,464		$	219,281		$	—		$	555,745
Net premiums earned	$	192,198		$	190,065		$	2		$	382,265
Net claims and claim expenses incurred	33,017			109,797			(227		)	142,587
Acquisition expenses	28,500			59,752			(1		)	88,251
Operational expenses	24,053			17,712			1			41,766
Underwriting income	$	106,628		$	2,804		$	229		109,661
Net investment income							54,163			54,163
Net foreign exchange gains							3,109			3,109
Equity in earnings of other ventures							5,543			5,543
Other income							2,392			2,392
Net realized and unrealized gains on investments							58,113			58,113
Corporate expenses							(4,636		)	(4,636		)
Interest expense							(10,091		)	(10,091		)
Income before taxes and noncontrolling interests										218,254
Income tax expense							(3,904		)	(3,904		)
Net income attributable to noncontrolling interests							(37,612		)	(37,612		)
Dividends on preference shares							(5,596		)	(5,596		)
Net income available to RenaissanceRe common shareholders										$	171,142

Net claims and claim expenses incurred – current accident year	$	56,889		$	130,802		$	—		$	187,691
Net claims and claim expenses incurred – prior accident years	(23,872		)	(21,005		)	(227		)	(45,104		)
Net claims and claim expenses incurred – total	$	33,017		$	109,797		$	(227	)	$	142,587

Net claims and claim expense ratio – current accident year	29.6		%	68.8		%				49.1		%
Net claims and claim expense ratio – prior accident years	(12.4		)%	(11.0		)%				(11.8		)%
Net claims and claim expense ratio – calendar year	17.2		%	57.8		%				37.3		%
Underwriting expense ratio	27.3		%	40.7		%				34.0		%
Combined ratio	44.5		%	98.5		%				71.3		%




Six months ended June 30, 2017	Property			Casualty and Specialty			Other			Total
Gross premiums written	$	1,019,876		$	729,629		$	—		$	1,749,505
Net premiums written	$	626,335		$	473,546		$	—		$	1,099,881
Net premiums earned	$	379,186		$	369,124		$	—		$	748,310
Net claims and claim expenses incurred	71,855			264,368			(555		)	335,668
Acquisition expenses	57,603			113,931			(1		)	171,533
Operational expenses	51,718			37,319			12			89,049
Underwriting income (loss)	$	198,010		$	(46,494	)	$	544		152,060
Net investment income							108,488			108,488
Net foreign exchange gains							11,274			11,274
Equity in losses of other ventures							4,036			4,036
Other income							4,057			4,057
Net realized and unrealized gains on investments							101,486			101,486
Corporate expenses							(9,922		)	(9,922		)
Interest expense							(20,617		)	(20,617		)
Income before taxes and noncontrolling interests										350,862
Income tax expense							(4,238		)	(4,238		)
Net income attributable to noncontrolling interests							(71,939		)	(71,939		)
Dividends on preference shares							(11,191		)	(11,191		)
Net income available to RenaissanceRe common shareholders										$	263,494

Net claims and claim expenses incurred – current accident year	$	96,655		$	255,111		$	—		$	351,766
Net claims and claim expenses incurred – prior accident years	(24,800		)	9,257			(555		)	(16,098		)
Net claims and claim expenses incurred – total	$	71,855		$	264,368		$	(555	)	$	335,668

Net claims and claim expense ratio – current accident year	25.5		%	69.1		%				47.0		%
Net claims and claim expense ratio – prior accident years	(6.6		)%	2.5		%				(2.1		)%
Net claims and claim expense ratio – calendar year	18.9		%	71.6		%				44.9		%
Underwriting expense ratio	28.9		%	41.0		%				34.8		%
Combined ratio	47.8		%	112.6		%				79.7		%