Identification and business activity (Tables)

12 Months Ended

Dec. 31, 2025

Identification and business activity

Schedule of significant investments in subsidiaries


		Country of
		incorporation		Ownership as of December 31,
		and business		2025				2024
				Direct		Indirect		Direct		Indirect
				%		%		%		%
Mining activities:
Compañía Minera Condesa S.A.		Peru		100.00		—		100.00		—
Compañía Minera Colquirrumi S.A.		Peru		100.00		—		100.00		—
Sociedad Minera El Brocal S.A.A (i)		Peru		3.19		58.24		3.19		58.24
Inversiones Colquijirca S.A. (i)		Peru		89.76		10.24		89.76		10.24
Minera La Zanja S.R.L.		Peru		100.00		—		100.00		—
El Molle Verde S.A.C.		Peru		99.98		0.02		99.98		0.02
Apu Coropuna S.R.L.		Peru		70.00		—		70.00		—
Cerro Hablador S.A.C.		Peru		99.00		1.00		99.00		1.00
Minera Azola S.A.C.		Peru		99.00		1.00		99.00		1.00

Energy generation and transmission services:
Consorcio Energético de Huancavelica S.A.		Peru		100.00		—		100.00		—
Empresa de Generación Huanza S.A.		Peru		—		100.00		—		100.00

Industrial activities:
Procesadora Industrial Río Seco S.A.C.		Peru		100.00		—		100.00		—

Others:
Buenaventura Trading S.A.S. (ii)		Uruguay		100.00		—		—		—

(i)

As of December 31, 2025, and 2024, the participation of the Group in the voting rights of El Brocal is 61.43%. Inversiones Colquijirca S.A. (hereinafter “Colquijirca”), a subsidiary of the Company holds an investment over the capital stock of the subsidiary El Brocal through the Company holds an indirect share in El Brocal of 58.24% as December 31, 2025 and 2024.

(ii)

Corresponds to a subsidiary domiciled in Uruguay, which was incorporated and started operations in 2025, and is engaged in the purchase and sales of minerals.