Mr. Ernesto Balarezo reports

SIERRA METALS SUBSIDIARY IN PERU, SOCIEDAD MINERA CORONA REPORTS Q2 2023 FINANCIAL RESULTS

Sierra Metals Inc.'s subsidiary, Sociedad Minera Corona SA, has filed at the Lima Stock Exchange (BVL) its unaudited financial statements and the management discussion and analysis for the second quarter of 2023.

The company holds an 81.8-per-cent interest in Corona. The unaudited financial statements and MD&A can be viewed on the Superintendencia del Mercado de Valores website.

To search for the company's financial statements, enter the following parameters in the empty fields.

Empresa:  Sociedad Minera Corona SA

Periodo:  2023 and trimestre II

Sierra Metals will be releasing its Q2 2023 consolidated financial results premarket on Monday, Aug. 14, 2023, with management hosting a conference call and webcast on the same day at 11 a.m. EDT.

About Sierra Metals Inc.

Sierra Metals is a diversified Canadian mining company with green metal exposure, including copper production and base metal production with precious metal byproduct credits, focused on the production and development of its Yauricocha mine in Peru and the Bolivar and Cusi mines in Mexico. The company is focused on increasing production volume and growing mineral resources. The company has large land packages at all three mines with several prospective regional targets providing longer-term exploration upside and mineral resource growth potential.