Compañía de Minas Buenaventura S.A.A. at its board meeting held on April 29, 2026, approved to appoint Mr. Roque Eduardo Benavides Ganoza as Chairman of the Board of Directors. Additionally, the Board unanimously resolved to appoint Mr. Shehzad Bharmal as Lead Director. Related Party Type: BOARD OF DIRECTORS.

Type of Change: CHANGE. BOARD OF DIRECTORS: BENAVIDES GANOZA, ROQUE EDUARDO. Position: DIRECTOR.

Start Date: March 30, 2026. Independent Director: NO. End Date: April 29, 2026. Related Party Type: BOARD OF DIRECTORS.

Type of Change: CHANGE. BOARD OF DIRECTORS: BENAVIDES GANOZA, ROQUE EDUARDO. Position: CHAIRMAN OF THE BOARD OF DIRECTORS.

Start Date: April 29, 2026. Independent Director: NO. Related Party Type: BOARD OF DIRECTORS. Type of Change: CHANGE.

BOARD OF DIRECTORS: BHARMAL, SHEHZAD. Position: DIRECTOR. Start Date: March 30, 2026.

Independent Director: YES. End Date: April 29, 2026. Related Party Type: BOARD OF DIRECTORS.

Type of Change: CHANGE. BOARD OF DIRECTORS: BHARMAL, SHEHZAD. Position: Lead Director.

Start Date: April 29, 2026. Independent Director: YES.