Sierra Metals Inc. reported consolidated production results for the fourth quarter and full year ended December 31, 2017. For the quarter, the company reported total ore processed was 498,199 mt against 517,705 mt a year ago. Silver production was 496,000 ounces against 789,000 ounces a year ago. Copper production was 7,471,000 pounds against 6,153,000 pounds a year ago. Lead production was 5,736,000 pounds against 9,990,000 pounds a year ago. Zinc production was 19,545,000 pounds against 17,039,000 pounds a year ago. Gold production was 1,591 ounces against 1,867 ounces a year ago. Copper equivalent production was 21,856,000 pounds against 24,969,000 pounds a year ago. Silver equivalent production was 4,078,000 ounces against 3,533,000 ounces a year ago. Zinc equivalent production was 47,287,000 pounds against 51,229,000 pounds a year ago.

For the year, the company reported total ore processed was 1,998,738 mt against 2,034,465 mt a year ago. Silver production was 2,317,000 ounces against 2,979,000 ounces a year ago. Copper production was 26,775,000 pounds against 23,390,000 pounds a year ago. Lead production was 29,704,000 pounds against 40,551,000 pounds a year ago. Zinc production was 76,088,000 pounds against 56,610,000 pounds a year ago. Gold production was 6,197 ounces against 8,604 ounces a year ago. Copper equivalent production was 90,354,000 pounds against 91,398,000 pounds a year ago. Silver equivalent production was 14,865,000 ounces against 11,798,000 ounces a year ago. Zinc equivalent production was 193,152,000 pounds against 211,583,000 pounds a year ago.

The company anticipates that 2018 silver equivalent production will range between 13.9 and 16.2 million ounces, copper equivalent production will range between 89.2 and 104.0 million pounds, and zinc equivalent production will range between 183.8 and 214.5 million pounds. Silver production will range between 2.4 million ounces and 2.8 million ounces, copper production will range between 32.7 million pounds and 38.1 million pounds, and zinc production will range between 62.9 million pounds and 73.4 million pounds. Gold production will range between 6,700 ounces and 7,800 ounces.

In 2018, the company plans to invest a total of $49 million on capital expenditures, including $13.1 million for sustaining capital requirements and $35.7 million for expansion, growth projects and exploration expenses. These capital expenditures will allow Sierra Metals to continue to significantly grow mineral resources and increase production, which will provide increased cash flow and lower cash costs. This program will be funded by operating cash flow.