Sierra Metals Inc. appointed José Fernández-Baca to Chief Financial Officer, he had been previously serving on an interim basis. Mr. Fernández-Baca was appointed Interim CFO on January 16, 2023, after joining the Company
in 2020. His career spans more than four decades at local and international levels of leading multinational companies spanning the mining, textile and consumer goods sectors, where he has held positions including General Manager, CFO, and Finance Manager. Mr. Fernández-Baca's mining experience includes ten years in financial leadership and as a board member of Anglo American in Peru, and most recently three years as Finance Manager and Director at Sociedad Minera Corona SA, the Peru-based subsidiary of Sierra Metals. Mr. Fernández-Baca holds a degree in Economics from the Universidad del Pacifico, Lima-Peru, and an MBA from Northern Illinois University. In addition, he has advanced executive program certifications from Northwestern, INCAE, Cambridge, and the Universidad de Piura.