All amounts are expressed in US$ unless otherwise indicated. Results are unaudited and could change based on final audited financial results. This news release contains forward-looking information about expected future events and financial and operating performance of Pan American. Readers should refer to the risks and assumptions set out in the "Cautionary Note Regarding Forward-Looking Statements and Information" at the end of this news release.

All amounts are expressed in US$ unless otherwise indicated. Results are unaudited and could change based on final audited financial results. This news release contains forward-looking information about expected future events and financial and operating performance of Pan American. Readers should refer to the risks and assumptions set out in the "Cautionary Note Regarding Forward-Looking Statements and Information" at the end of this news release.

Pan American Silver Corp. (NASDAQ: PAAS) (TSX: PAAS) ("Pan American", or the "Company") today announces an initial mineral resource estimate for the large polymetallic deposit discovered in 2018 at the Company's La Colorada mine in Zacatecas, Mexico. The inferred mineral resource totals 72.5 million tonnes, averaging 44 grams per tonne of silver, 0.17% copper, 2.02% lead and 4.40% zinc, assuming a cut off value of US$60 per tonne after accounting for transportation, smelting and refining costs. The deposit remains open in nearly all directions for resource expansions.