Vancouver, B.C. – May 28, 2018 – Pan American Silver Corp. (NASDAQ: PAAS; TSX: PAAS) (“Pan American Silver”, or the “Company”) today announces that it has initiated steps to reduce certain activities at its Dolores mine in Mexico following recent security incidents along the access roads being used to transport personnel and materials to and from the Dolores mine. The Company is working with state and federal authorities to provide safe access to the mine. The mine site remains secure. Ore stacking to the leach pads and the processing plant are currently operating at normal rates.