Atalaya Mining Plc announced that Dr. José Nicolas Sierra is retiring as an Independent Non-Executive Director and the Chair of the Physical Risk Committee of Atalaya, with an effective date of 31 March 2021. Dr. Sierra was appointed as an Independent Non-Executive Director in October 2011. His extensive experience as a mining and energy leader in the business and government sectors have allowed him to contribute, as a director of Atalaya, to the transformation and accomplishments of Atalaya over 10 years.