Other operating expenses

12 Months Ended

Dec. 31, 2021

Minera Yanacocha SRL and subsidiary [Member]

Disclosure Other operational expenses [Line Items]

20. Operating expenses, net

This caption is made up as follows:


	2021	2020	2019
	US$(000)	US$(000)	US$(000)

Cost of sales from the sale of fixed assets	—	30	2,092
Exploration and advanced projects	23,619	19,279	33,669
Severance program	5,769	4,454	2,210
Social responsibility commitments	—	6,730	250
Write-off of fixed assets	613	460	1,204
Tax fine	234	11	2,019
Revenue from sale of fixed assets	(1,009)	(40)	(8,088)
Others, net	7,065	3,398	2,631

	36,291	34,322	35,987

Sociedad Minera Cerro Verde S.A.A. [Member]

Disclosure Other operational expenses [Line Items]

Other operating expenses

17. Other operating expenses

This item is made up as follows:


	For the year ended	For the year ended	For the year ended
	December 31, 2021	December 31, 2020	December 31, 2019
	US$(000)	US$(000)	US$(000)

Optimization and prefeasibility/feasibility studies (a)	5,929	8,429	14,919
Tax contingencies	1,903	704	6,119
Other expenses	678	1,425	2,895
Royalty non-income tax (b)	—	10,780	—
Excess of salary limit in workers profit sharing (c)	—	17,146	—
Fines and penalties (d)	—	—	14,183

	8,510	38,484	38,116

(a)

Primarily represents charges related to projects for the optimization of the Company’s operating processes.

(b)

Represents current year mining royalties calculated based on revenues according to applicable tax rules (see Note 13(d)).

(c)

Corresponds to the excess of salary limit in workers profit sharing to be transferred to the Regional Government and the National Fund for Employment’s Promotion and Training (FONDOEMPLEO), and it’s related to adjustments of previous years income tax assessments (recognized in 2020 primarily as a result of the international arbitration proceeding initiated by the Company (See Note 13(d)).

(d)

For the year ended December 31, 2019, primarily represents land right penalties with INGEMMET (US$6.8 million), SUNAT penalties related to 2012 income tax audit (US$4.7 million) and OSINERGMIN fine (US$2.7 million), which in September 2020, was declared closed and archived in favor of the Company.