Schedule III-Supplementary Insurance Information

12 Months Ended

Dec. 31, 2022

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, 2022, 2021 and 2020

									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, 2022
Casualty segment	$	66,285	$	1,929,091	$	466,178	$	711,832	$	468,661
Property segment		36,767		293,737		237,369		307,886		145,672
Surety segment		24,807		92,809		81,538		124,718		22,622
RLI Insurance Group	$	127,859	$	2,315,637	$	785,085	$	1,144,436	$	636,955
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

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 91 of this report.

RLI CORP. AND SUBSIDIARIES

SCHEDULE III—SUPPLEMENTARY INSURANCE INFORMATION

(continued)

As of and for the years ended December 31, 2022, 2021 and 2020

	Incurred
	losses and
	settlement		Policy		Other		Net
	expenses		acquisition		operating		premiums
(in thousands)	prior year		costs		expenses		written
Year ended December 31, 2022
Casualty segment	$	(87,225)	$	204,397	$	52,210	$	744,607
Property segment		(24,927)		95,203		19,416		364,644
Surety segment		(10,427)		70,032		10,586		132,285
RLI Insurance Group	$	(122,579)	$	369,632	$	82,212	$	1,241,536
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

See the accompanying reports of independent registered public accounting firms starting on page 91 of this report.