VANCOUVER, British Columbia, April 27, 2022 — MAG Silver Corp. (TSX / NYSE American: MAG) (“MAG” or “MAG Silver”) is pleased to report first quarter production of underground development and stope material from the Juanicipio Project (56% / 44% Fresnillo plc (“Fresnillo”) and MAG Silver, respectively). As reported to MAG by the project operator Fresnillo, on a 100% basis, 145,484 tonnes of mineralized material were processed during the three months ended March 31, 2022 (three months March 31, 2021: 36,395 tonnes) at an average head grade of 597 silver grams per tonne (“g/t”) or 17.4 silver ounces/ton (March 31, 2021: 458 g/t or 13.4 silver ounces/ton). Total Juanicipio production for the quarter based on provisional estimates before offtake agreement adjustments totaled 2,400,000 silver ounces and 5,837 gold ounces (March 31, 2021: 462,321 silver ounces and 697 gold ounces). MAG’s attributable 44% production interest for the quarter based on provisional estimates before offtake agreement adjustments totaled 1,056,000 silver ounces and 2,568 gold ounces (March 31, 2021: 203,421 silver ounces and 307 gold ounces). The associated lead and zinc production will be reported with MAG’s first quarter filings.