 Sierra Metals Inc. NYSE:SMTS Q1 2022 Earnings Conference Call May 12, 2022 11:00 AM ET Company Participants Luis Marchese Chief Executive Officer Ed Guimaraes Chief Financial Officer Christina Papadopoulos Manager of Investor Relations Conference Call Participants Mark Reichman Noble Capital Partners Heiko Ihle H.C Wainwright Co. Leon Cooperman Imax Family Office Operator Hello everyone and a warm welcome to the Sierra Metals First Quarter 2022 financial results call. My name is Bethany and I will be your Operator today. 