Sierra Metals Inc. is pleased to announce that it has entered into an Open Market Sale Agreement with Jefferies LLC, H.C. Wainwright & Co., LLC, Scotia Capital (USA) Inc. and Noble Capital Markets, Inc., pursuant to which the Company may, at its discretion and from time to time during the term of the Sales Agreement, sell, through the Agents, acting as agent and/or principal, such number of common shares of the Company as would result in aggregate gross proceeds to the Company of up to US$55 million. Sales of Common Shares through the Agents, acting as agent, will be made through “at the market” issuances on the NYSE American at the market price prevailing at the time of each sale, and, as a result, sale prices may vary. No Common Shares will be offered or sold in Canada.