Royalty, stream and working interests

6 Months Ended

Jun. 30, 2022

Royalty, stream and working interests

Note 7 - Royalty, stream and working interests

(a)	Royalties, streams and working interests

Royalty, stream and working interests, net of accumulated depletion and impairment charges and reversals, comprised the following:


					Impairment
			Accumulated		(charges)
As at June 30, 2022	Cost		depletion⁽¹⁾		reversals		Carrying value
Mining royalties	$	1,580.5	$	(702.1)	$	—	$	878.4
Streams		4,511.9		(1,979.4)		—		2,532.5
Energy		1,964.2		(740.2)		—		1,224.0
Advanced		363.5		(56.7)		—		306.8
Exploration		69.3		(12.8)		—		56.5
	$	8,489.4	$	(3,491.2)	$	—	$	4,998.2

Accumulated depletion includes previously recognized impairment charges and reversals.


					Impairments
			Accumulated		(charges)
As at December 31, 2021	Cost		depletion⁽¹⁾		reversals		Carrying value
Mining royalties	$	1,590.2	$	(687.2)	$	—	$	903.0
Streams		4,511.9		(1,888.9)		—		2,623.0
Energy		1,972.6		(789.8)		75.5		1,258.3
Advanced		365.9		(49.6)		(7.5)		308.8
Exploration		67.1		(10.9)		—		56.2
	$	8,507.7	$	(3,426.4)	$	68.0	$	5,149.3

Accumulated depletion includes previously recognized impairment charges and reversals.

Changes in royalty, stream and working interests for the periods ended June 30, 2022 and December 31, 2021 were as follows:


	Mining
	royalties		Streams		Energy		Advanced		Exploration		Total
Balance at January 1, 2021	$	406.9	$	2,653.6	$	1,214.6	$	294.0	$	63.0	$	4,632.1
Additions		540.0		165.6		24.7		22.7		—		753.0
Transfers		6.3		—		—		—		(6.3)		—
Impairment (charges) and reversals		—		—		75.5		(7.5)		—		68.0
Depletion		(42.7)		(196.2)		(57.9)		(0.6)		—		(297.4)
Impact of foreign exchange		(7.5)		—		1.4		0.2		(0.5)		(6.4)
Balance at December 31, 2021	$	903.0	$	2,623.0	$	1,258.3	$	308.8	$	56.2	$	5,149.3

Additions	$	6.3	$	—	$	3.6	$	—	$	1.1	$	11.0
Depletion		(20.2)		(90.5)		(32.3)		(0.2)		—		(143.2)
Impact of foreign exchange		(10.7)		—		(5.6)		(1.8)		(0.8)		(18.9)
Balance at June 30, 2022	$	878.4	$	2,532.5	$	1,224.0	$	306.8	$	56.5	$	4,998.2

Of the total net book value as at June 30, 2022, $4,119.6 million (December 31, 2021 - $4,107.5 million) is depletable and $878.6 million (December 31, 2021 - $1,041.8 million) is non-depletable.