Schedule III - Supplementary Insurance Information

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]

Supplementary Insurance Information

Sirius International Insurance Group, Ltd.

Schedule III

Supplementary Insurance Information

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

(Millions)	As at and for the year ended December 31, 2019
	Deferred Acquisition Costs		Loss and Loss Adjustment Expense Reserves		Unearned Insurance and Reinsurance Premiums		Net Earned Insurance and Reinsurance Premiums		Loss and Loss Adjustment Expenses		Insurance and Reinsurance Acquisition Expenses			Other Underwriting Expenses		Net Written Insurance and Reinsurance Premiums
Global Reinsurance	$	85.9	$	1,536.5	$	419.0	$	966.5	$	850.9	$	199.7		$	84.5	$	987.9
Global A&H	57.2		225.1		244.6		443.3		278.7		125.8			23.7		458.1
U.S. Specialty	5.1		30.7		44.4		29.6		24.1		6.4			10.6		54.1
Runoff & Other	—		539.2		—		2.2		2.8		2.9			5.9		2.5
Corporate Elimination	—		—		—		—		13.8		(46.1		)	13.5		—
Total	$	148.2	$	2,331.5	$	708.0	$	1,441.6	$	1,170.3	$	288.7		$	138.2	$	1,502.6

(Millions)	As at and for the year ended December 31, 2018
	Deferred Acquisition Costs		Loss and Loss Adjustment Expense Reserves		Unearned Insurance and Reinsurance Premiums		Net Earned Insurance and Reinsurance Premiums		Loss and Loss Adjustment Expenses		Insurance and Reinsurance Acquisition Expenses			Other Underwriting Expenses		Net Written Insurance and Reinsurance Premiums
Global Reinsurance	$	86.7	$	1,231.2	$	409.7	$	870.5	$	675.2	$	185.3		$	87.7	$	934.6
Global A&H	54.0		197.9		224.8		357.6		194.9		109.7			27.4		379.8
U.S. Specialty	0.9		2.8		12.7		5.0		2.3		1.3			8.7		13.1
Runoff & Other	—		584.8		—		29.2		14.6		2.8			6.3		29.6
Corporate Elimination	—		—		—		—		13.0		(43.7		)	16.1		—
Total	$	141.6	$	2,016.7	$	647.2	$	1,262.3	$	900.0	$	255.4		$	146.2	$	1,357.1

(Millions)	As at and for the year ended December 31, 2017
	Deferred Acquisition Costs		Loss and Loss Adjustment Expense Reserves		Unearned Insurance and Reinsurance Premiums		Net Earned Insurance and Reinsurance Premiums		Loss and Loss Adjustment Expenses		Insurance and Reinsurance Acquisition Expenses			Other Underwriting Expenses		Net Written Insurance and Reinsurance Premiums
Global Reinsurance	$	71.7	$	1,064.1	$	310.7	$	727.6	$	617.3	$	154.0		$	79.8	$	749.2
Global A&H	49.1		206.2		195.8		306.8		179.8		89.6			23.4		341.5
U.S. Specialty	—		—		—		—		—		—			—		—
Runoff & Other	0.1		628.2		0.3		0.9		14.1		(3.5		)	2.9		(0.5		)
Corporate Elimination	—		—		—		—		—		(42.9		)	—		—
Total	$	120.9	$	1,898.5	$	506.8	$	1,035.3	$	811.2	$	197.2		$	106.1	$	1,090.2