v3.26.1
Basis for preparation, consolidation and accounting policies (Tables)
12 Months Ended
Dec. 31, 2025
Basis for preparation, consolidation and accounting policies  
Schedule of depreciation rates on mining units

As of December 31, 2025, the Group maintains the following depreciation rates in its respective mining units:

Mining units

  ​ ​ ​

Rates

 

Tambomayo

 

26.50

%

Uchucchacua

10.49

%

El Brocal

 

5.08

%

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 based on the estimated useful life of the asset (LOM). 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 3 and 10

Other equipment

Between 3 and 10

Computer equipment

 

Between 1 and 4

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 10

Machinery and equipment

 

Between 1 and 10