SCHEDULE III-SUPPLEMENTARY INSURANCE INFORMATION

12 Months Ended

Dec. 31, 2019

SCHEDULE III-SUPPLEMENTARY INSURANCE INFORMATION

SCHEDULE III-SUPPLEMENTARY INSURANCE INFORMATION

RLI CORP. AND SUBSIDIARIES

SCHEDULE III—SUPPLEMENTARY INSURANCE INFORMATION

As of and for the years ended December 31, 2019, 2018 and 2017

									Incurred losses
	Deferred policy		Unpaid losses		Unearned		Net		and settlement
	acquisition		and settlement		premiums,		premiums		expenses
(in thousands)	costs		expenses, gross		gross		earned		current year
Year ended December 31, 2019
Casualty segment	$	47,805	$	1,435,619	$	354,118	$	558,458	$	392,653
Property segment		17,057		100,000		116,624		164,022		78,075
Surety segment		20,182		38,733		69,471		116,631		17,972
RLI Insurance Group	$	85,044	$	1,574,352	$	540,213	$	839,111	$	488,700
Year ended December 31, 2018
Casualty segment	$	50,040	$	1,283,204	$	330,836	$	523,472	$	363,015
Property segment		14,090		134,822		93,032		149,261		94,635
Surety segment		20,804		43,322		72,637		118,633		20,493
RLI Insurance Group	$	84,934	$	1,461,348	$	496,505	$	791,366	$	478,143
Year ended December 31, 2017
Casualty segment	$	44,358	$	1,127,787	$	296,751	$	478,603	$	323,141
Property segment		13,029		107,304		84,010		138,346		97,161
Surety segment		20,329		36,412		70,688		120,988		20,150
RLI Insurance Group	$	77,716	$	1,271,503	$	451,449	$	737,937	$	440,452

NOTE 1: Investment income is not allocated to the segments, therefore, net investment income has not been provided.

See the accompanying report of independent registered public accounting firm on page 101 of this report.

RLI CORP. AND SUBSIDIARIES

SCHEDULE III—SUPPLEMENTARY INSURANCE INFORMATION

(continued)

As of and for the years ended December 31, 2019, 2018 and 2017

	Incurred
	losses and
	settlement		Policy		Other		Net
	expenses		acquisition		operating		premiums
(in thousands)	prior year		costs		expenses		written
Year ended December 31, 2019
Casualty segment	$	(62,497)	$	166,499	$	41,202	$	564,979
Property segment		(4,461)		55,986		16,279		181,974
Surety segment		(8,326)		66,212		11,949		113,384
RLI Insurance Group	$	(75,284)	$	288,697	$	69,430	$	860,337
Year ended December 31, 2018
Casualty segment	$	(33,252)	$	151,007	$	31,562	$	547,177
Property segment		(10,813)		51,830		12,725		155,601
Surety segment		(5,885)		64,901		9,516		120,397
RLI Insurance Group	$	(49,950)	$	267,738	$	53,803	$	823,175
Year ended December 31, 2017
Casualty segment	$	(17,462)	$	136,135	$	32,885	$	494,649
Property segment		(12,134)		51,070		14,108		137,031
Surety segment		(9,272)		65,310		10,001		118,174
RLI Insurance Group	$	(38,868)	$	252,515	$	56,994	$	749,854

See the accompanying report of independent registered public accounting firm on page 101 of this report.