Sierra Metals Begins Trading on the OTCQX Best Market Under Symbol SMTSF

Sierra Metals Inc. (TSX: SMT | OTCQX: SMTSF) ("Sierra Metals" or "the Company") is pleased to announce that it begins trading today on the OTCQX Market in the United States under the symbol “SMTSF.”

Ernesto Balarezo, CEO of Sierra Metals, commented, “Qualifying for the OTCQX Market is a milestone in our efforts to increase visibility and accessibility for our current and prospective U.S. and international shareholders. Sierra is well positioned for growth at its mines in Peru and Mexico and we intend to support our OTCQX listing with a robust investor relation program.”

Sierra Metals continues to trade on the Toronto Stock Exchange under the symbol “SMT”.

Dentons US LLP acted as the Company’s OTCQX sponsor.

U.S. investors can find current financial disclosure and Real-Time Level 2 quotes for the Company on www.otcmarkets.com.

Upgrading to the OTCQX Market is an important step for Sierra Metals and other companies seeking to provide transparent trading for their U.S. investors. For companies listed on a qualified international exchange, streamlined market standards enable them to utilize their home market reporting to make their information available in the U.S. To qualify for OTCQX, companies must meet high financial standards, follow best practice corporate governance and demonstrate compliance with applicable securities laws.

About OTC Markets Group Inc.
OTC Markets Group Inc. (OTCQX: OTCM) operates regulated markets for trading 12,000 U.S. and international securities. The OTC’s data-driven disclosure standards form the foundation of three public markets: OTCQX Best Market, OTCQB Venture Market and Pink Open Market. The OTC Link Alternative Trading Systems (ATSs) provide critical market infrastructure that broker-dealers rely on to facilitate trading. The OTC Markets innovative model offers companies more efficient access to the U.S. financial markets. OTC Link ATS, OTC Link ECN and OTC Link NQB are each an SEC regulated ATS, operated by OTC Link LLC, a FINRA and SEC registered broker-dealer, member SIPC. To learn more visit www.otcmarkets.com.

About Sierra Metals
Sierra Metals is a Canadian mining company focused on copper production with additional base and precious metals by-product credits at its Yauricocha Mine in Peru and Bolivar Mine in Mexico. The Company is intent on safely increasing production volume and growing mineral resources. Sierra Metals has recently had several new key discoveries and still has many more exciting brownfield exploration opportunities in Peru and Mexico that are within close proximity to the existing mines. Additionally, the Company has large land packages at each of its mines with several prospective regional targets providing longer-term exploration upside and mineral resource growth potential.