Mr. Ernesto Balarezo reports

SIERRA METALS BEGINS TRADING ON THE OTCQX BEST MARKET UNDER SYMBOL SMTSF

Sierra Metals Inc. has begun trading on the OTCQX Market in the United States under the symbol SMTSF.

Ernesto Balarezo, chief executive officer 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 U.S. 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 the OTC Markets website.

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 Sierra Metals

Sierra Metals is a Canadian mining company focused on copper production with additional base and precious metals byproduct 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.

We seek Safe Harbor.