Nyrstar NV reported production results for the first quarter of 2013. For the quarter, the company reported total zinc in concentrate of 70,000 tones compared to 82,000 tones for the previous quarter. Own mine zinc in concentrate was 68,000 tones compared to 74,000 tones for the previous quarter. The company reported 10,000 troy ounces of gold production compared to 26,500 troy ounces for the precious quarter. The company reported 1,094,000 troy ounces of silver production compared to 1,385,000 troy ounces of silver production for the previous quarter. Copper in concentrate was 2,800 tones compared to 3,300 tones for the previous quarter. Zinc metal production was 263,000 tones in first quarter 2013. Total ore milled was 1,709,000 tones compared to 1,917,000 tones for the previous quarter.

The company maintained full year 2013 zinc metal guidance of 1.0 million tones to 1.1 million tones.