Schedule III-Supplementary Insurance Information

12 Months Ended

Dec. 31, 2024

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, 2024, 2023 and 2022

									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, 2024
Casualty segment	$	88,616	$	2,212,648	$	564,772	$	852,837	$	577,368
Property segment		48,302		337,787		328,842		531,384		231,949
Surety segment		29,296		143,035		90,526		142,185		25,245
RLI Insurance Group	$	166,214	$	2,693,470	$	984,140	$	1,526,406	$	834,562
Year ended December 31, 2023
Casualty segment	$	73,334	$	2,043,556	$	491,479	$	758,346	$	496,530
Property segment		46,366		301,907		314,945		401,530		193,258
Surety segment		26,866		100,562		85,902		134,430		23,172
RLI Insurance Group	$	146,566	$	2,446,025	$	892,326	$	1,294,306	$	712,960
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

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 90 of this report.

RLI CORP. AND SUBSIDIARIES

SCHEDULE III—SUPPLEMENTARY INSURANCE INFORMATION

(continued)

As of and for the years ended December 31, 2024, 2023 and 2022

	Incurred
	losses and
	settlement		Policy		Other		Net
	expenses		acquisition		operating		premiums
(in thousands)	prior year		costs		expenses		written
Year ended December 31, 2024
Casualty segment	$	(52,878)	$	245,519	$	65,040	$	915,625
Property segment		(33,143)		131,171		33,871		542,997
Surety segment		(9,288)		87,350		13,549		146,899
RLI Insurance Group	$	(95,309)	$	464,040	$	112,460	$	1,605,521
Year ended December 31, 2023
Casualty segment	$	(78,498)	$	221,589	$	59,246	$	788,982
Property segment		(21,196)		116,344		26,808		500,057
Surety segment		(8,853)		80,392		12,329		138,708
RLI Insurance Group	$	(108,547)	$	418,325	$	98,383	$	1,427,747
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

See the accompanying reports of independent registered public accounting firms starting on page 90 of this report.