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Cost of sales of goods and services, without considering depreciation and amortization (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of continuing involvement in derecognised financial assets [line items]

Schedule of detailed information of cost of sale of goods and services

(a)

The cost of sales of goods is made up as follows:


		2022		2021		2020
		US$(000)		US$(000)		US$(000)

Beginning balance of finished goods and products in process, net of depreciation and amortization		30,031		31,797		31,938

Cost of production
Services provided by third parties		185,028		224,979		143,652
Consumption of materials and supplies		94,929		107,908		70,942
Direct labor		67,704		75,099		62,885
Short-term and low-value leases		29,329		31,309		16,289
Electricity and water		21,510		17,657		36,504
Maintenance and repair		21,099		25,681		22,235
Insurance		16,118		16,091		12,036
Transport		13,528		17,449		12,234
Other		6,404		17,263		11,916
Provision (reversal) for impairment of finished goods and product in progress, note 8(c)		(1,071)		(5,471)		5,054
Total cost of production		454,578		527,965		393,747
Final balance of finished goods and products in process		(33,624)		(30,031)		(31,797)
Write – off of products in process		10,957		—		—
Final balance of finished goods and products in process, net of depreciation and amortization		(22,667)		(30,031)		(31,797)
Cost of sales of goods, without considering depreciation and amortization		461,942		529,731		393,888

(b)

The cost of services is made up as follows:


		2022		2021		2020
		US$(000)		US$(000)		US$(000)

Services provided by third parties		1,681		594		189
Electricity and water		1,204		556		668
Insurances		134		46		81
Maintenance and repair		46		31		55
Consumption of materials and supplies		31		11		20
Transport		14		9		87
Short-term and low-value lease		3		—		6
Direct labor		—		—		371
Other minor cost of services		50		22		77
		3,163		1,269		1,554

Sociedad Minera Cerro Verde S.A.A.

Disclosure of continuing involvement in derecognised financial assets [line items]

Schedule of detailed information about cost of sales

This item is made up as follows:


		For the year ended		For the year ended		For the year ended
		December 31, 2022		December 31, 2021		December 31, 2020
		US$(000)		US$(000)		US$(000)

Materials and supplies		915,323		698,246		581,658
Depreciation and amortization (see note 7 and 2(i))		492,042		471,759		451,001
Labor (a)		343,575		425,524		288,104
Third-party services		246,247		220,920		164,590
Energy		243,549		194,982		200,794
Cost related to COVID-19 pandemic (b)		43,672		89,050		95,702
Variable lease payments, low-value and short-term leases		13,369		5,806		7,399
Depreciation for right-of-use assets (see Note 7 and 10(a))		12,708		12,459		11,320
OEFA and OSINERGMIN contributions (c)		9,308		10,334		5,889
WIP stockpile write-offs (see Note 5)		7,668		—		—
Management fees		2,540		2,352		2,000
Change in work in process inventory		(1,358)		(16,609)		(49,575)
Change in finished goods inventory		(10,368)		(6,129)		10,391
Other costs		49,492		46,394		39,982
		2,367,767		2,155,088		1,809,255