Schedule III-Supplementary Insurance Information

12 Months Ended

Dec. 31, 2021

Supplementary Insurance Information [Abstract]

Schedule III-Supplementary Insurance Information

RLI CORP. AND SUBSIDIARIES

SCHEDULE III—SUPPLEMENTARY INSURANCE INFORMATION

As of and for the years ended December 31, 2021, 2020 and 2019

									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, 2021
Casualty segment	$	55,760	$	1,760,469	$	438,248	$	633,639	$	420,259
Property segment		25,764		196,369		168,209		231,837		140,905
Surety segment		22,029		86,717		73,987		115,427		20,901
RLI Insurance Group	$	103,553	$	2,043,555	$	680,444	$	980,903	$	582,065
Year ended December 31, 2020
Casualty segment	$	48,255	$	1,567,544	$	385,736	$	569,521	$	397,174
Property segment		19,655		150,008		131,274		183,720		124,375
Surety segment		20,515		32,497		69,376		112,506		22,388
RLI Insurance Group	$	88,425	$	1,750,049	$	586,386	$	865,747	$	543,937
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

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

See the accompanying reports of independent registered public accounting firms starting on page 89 of this report.

RLI CORP. AND SUBSIDIARIES

SCHEDULE III—SUPPLEMENTARY INSURANCE INFORMATION

(continued)

As of and for the years ended December 31, 2021, 2020 and 2019

	Incurred
	losses and
	settlement			Policy		Other		Net
	expenses			acquisition		operating		premiums
(in thousands)	prior year			costs		expenses		written
Year ended December 31, 2021
Casualty segment	$	(108,632	)	$	179,354	$	47,139	$	674,709
Property segment		(10,981	)		72,008		18,605		262,816
Surety segment		(5,850	)		66,106		11,163		120,008
RLI Insurance Group	$	(125,463	)	$	317,468	$	76,907	$	1,057,533
Year ended December 31, 2020
Casualty segment	$	(75,075	)	$	162,058	$	40,937	$	583,244
Property segment		(13,019	)		59,926		15,620		196,603
Surety segment		(12,959	)		64,454		10,271		112,241
RLI Insurance Group	$	(101,053	)	$	286,438	$	66,828	$	892,088
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

See the accompanying reports of independent registered public accounting firms starting on page 89 of this report.