X0607 3 2026-06-03 0 0002091017 Sunshine Silver Mining & Refining Co SSMR 0001716691 Erfan Ali false 2209 BIG CREEK RD KELLOGG ID 83837 true Common Stock 346160 I By Ajami Associates Limited Warrants 5 2027-09-30 Common Stock 62500 I By Ajami Associates Limited The reporting person is a director of Ajami Associates Limited and may be deemed to beneficially own securities held by Ajami Associates Limited. Each warrant is exercisable for one share of common stock until the later of two years from the date of purchase or six months after the completion of the Issuer's initial public offering. Exhibit 24 - Power of Attorney. /s/ Michelle Shepston, as attorney-in-fact 2026-06-03