Basis for preparation, consolidation and accounting policies (Tables)

12 Months Ended

Dec. 31, 2024

Basis for preparation, consolidation and accounting policies

Schedule of useful lives of assets

Depreciation of assets in mining units with short useful lives or used for administrative purposes is calculated using the straight-line method of accounting. The useful lives are the following:


		Years

Buildings, construction and other		Between 2 and 40
Machinery and equipment		Between 2 and 30
Transportation units		5
Furniture and fixtures		Between 4 and 10
Other equipment		Between 3 and 10
Computer equipment		Between 3 and 4

Schedule of depreciation rates on mining units

As of December 31, 2024, the Group maintains the following depreciation rates in its respective mining units:


Mining units		Rates
Tambomayo		52.22	%
Uchucchacua		7.79	%
El Brocal		8.37	%

Sociedad Minera Cerro Verde S.A.A.

Basis for preparation, consolidation and accounting policies

Schedule of useful lives of assets


		Years

Buildings and other constructions		Between 5 and 35
Machinery and equipment		Between 2 and 30
Transportation units		Between 5 and 7
Furniture and fixtures		Between 7 and 10
Other equipment		Between 3 and 25

Schedule of estimated useful lives of right of use assets


		Years

Land		30
Buildings and other constructions		Between 1 and 14
Machinery and equipment		Between 1 and 14