Sierra Metals

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April 17, 2018 at 11:30 AM (CEST)|Park Hyatt, Zürich

Igor Gonzales

President & CEO

Igor Gonzales
President and Chief Executive Officer

Mr. Gonzales is from Cusco, Peru and has more than 30 years of experience in the mining industry. He was with Barrick Gold Corporation from 1998 to 2013, most recently as Executive Vice President and Chief Operating Officer. Between 1980 and 1996, Mr. Gonzales served in various roles with Southern Peru Cooper Corporation. Mr. Gonzales has a Bachelor of Science degree in Chemical Engineering from the University of San Antonio Abad in Cusco, Peru, and was a Fullbright Scholar at the New Mexico Institute of Mining and Technology, where he earned a Master Science degree in Extractive Metallurgy.


Certain statements in this presentation constitute forward-looking information within the meaning of Canadian and United States securities legislation. Forward-looking information relates to future events or the anticipated performance of Sierra and reflect management's expectations or beliefs regarding such future events and anticipated performance based on an assumed set of economic conditions and courses of action. In certain cases, statements that contain forward-looking information can be identified by the use of words such as "plans", "expects", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates", "believes" or variations of such words and phrases or statements that certain actions, events or results "may", "could", "would", "might", or "will be taken", "occur" or "be achieved" or the negative of these words or comparable terminology. By its very nature forward-looking information involves known and unknown risks, uncertainties and other factors that may cause actual performance of Sierra to be materially different from any anticipated performance expressed or implied by such forward-looking information. These include estimates of future production levels; expectations regarding mine production costs; expected trends in mineral
prices; changes in general economic conditions and financial markets; changes in prices for silver and other metals; technological and operational hazards in Sierra's mining and mine development activities; risks inherent in mineral exploration; uncertainties inherent in the estimation of mineral reserves, mineral resources, and metal recoveries; the timing and availability of financing; governmental and other approvals; political unrest or instability in countries where Sierra is active; labor relations and other risk factors disclosed in Sierra's
Annual Information Form, which is available on SEDAR at and which is incorporated by reference into the prospectus forming part of the Company’s registration statement on Form F-10, filed with the SEC and available at
Although Sierra has attempted to identify important factors that could cause actual performance to differ materially from that described in forward-looking information, there may be other factors that cause its performance not to be as anticipated. Sierra neither intends nor assumes any obligation to update these statements containing forward-looking information to reflect changes in assumptions or circumstances other than as required by applicable law. There can be no assurance that forward-looking information will prove to be accurate as actual results and future events could differ materially from those currently anticipated. Accordingly, readers should not place undue reliance on forward-looking information.
This presentation uses the terms "measured resources", "indicated resources" and "inferred resources" as such terms are recognized under National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101") adopted by the Canadian Securities Administrators. Readers are cautioned not to assume that any part or all of the mineral deposits in these categories will ever be converted into reserves. In addition, "inferred resources" have a great amount of uncertainty as to their existence and economic and legal feasibility. It cannot be assumed that all or any part of an inferred mineral resource will ever be upgraded to a higher category. Under Canadian securities rules, estimates of inferred mineral resources may not form the basis of feasibility or pre-feasibility studies, or economic studies, except for a "preliminary assessment" as defined under NI 43-101. Investors are cautioned not to assume that part or all of an inferred resource exists, or is economically or legally mineable.
Gordon Babcock B.Sc., P.Eng., is the qualified person as defined in NI 43-101 and Chief Operating Officer for Sierra Metals supervised the preparation of the operational scientific and technical information for Sierra Metals included in this presentation.
Americo Zuzunaga, MAusIMM CP (Mining Engineer) and Vice President of Corporate Planning is a Qualified Person and chartered professional qualifying as a Competent Person under the Joint Ore Reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves.
Augusto Chung, FAusIMM CP (Metallurgist) and Consultant to Sierra Metals is a Qualified Person and chartered professional qualifying as a Competent Person on metallurgical processes.
Cautionary Note to U.S. Investors: While the terms “measured resources”, “indicated resources”, and “inferred resources” are defined in and required to be disclosed by NI 43-101 these terms are not defined under SEC Industry Guide 7 and are normally not permitted to be used in reports and registration statements filed with the SEC. Investors are cautioned not to assume that all or any part of a mineral deposit in these categories will ever be converted into reserves. Accordingly, information concerning mineral deposits contained in or referred to in this presentation may not be comparable to similar information made public by U.S. companies subject to the reporting and disclosure requirements under the United States federal securities laws and the rules and regulations thereunder. Use of Non-IFRS Financial Measures: This presentation contains “Non-IFRS” financial measures including all in-sustaining costs, EBITDA, Free Cash Flow and Net Debt. Sierra uses these Non-IFRS performance measures and ratios in managing its business. Sierra believes that these measures assist investors in understanding the company’s performance. NonIFRS financial measures should be viewed in addition to, and not as an alternative for, the reported operating results or cash flow from operations or any other measures prepared in accordance with IFRS. In addition, the presentation of these measures may not be comparable to similarly situated titled measures that other companies use. Please see Reconciliation of IFRS to Non-IFRS Financial Measures in the Appendix to this presentation for a reconciliation to the most comparable IFRS financial measure.
Additional Information: Sierra Metals Inc. has filed a base prospectus and a prospectus supplement with the CSC and a registration statement (including a prospectus and prospectus supplement) with the SEC for an “at the market” offering of its Common Shares (“ATM offering”). Investors considering a purchase of shares in the ATM offering should read the prospectus, prospectus supplement and documents incorporated into the registration statement and other documents that Sierra Metals has filed with the SEC and CSC for more
information concerning the ATM offering and the issuer. These documents are available without charge from the SEC’s EDGAR database at and on SEDAR at


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