144 0001830153 XXXXXXXX LIVE 0001308648 FIRST MAJESTIC SILVER CORP 001-34984 925 WEST GEORGIA STREET SUITE 1800 VANCOUVER A1 V6C 3L2 604-688-3033 Electrum Silver US LLC Recent Affiliate Common Citigroup Global Markets Inc

388 Greenwich St. 4th Floor Trading New York NY 10013

5115706 32177790.74 484254435 04/11/2025 NYSE Common 01/16/2025 Shares of AG received in AG's acquisition of Gatos Silver. Gatos Silver shares acquired in private placements. Gatos Silver, Inc. N 45631412 11/11/2020 Cash N Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 02/04/2025 8000000 47360000.00 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL24 New York NY 10020

Common 03/11/2025 3000000 17700000.00 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 03/20/2025 2500000 17640250.00 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 03/25/2025 360658 2549960.26 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 03/26/2025 14938 104570.48 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 03/27/2025 285200 2001077.28 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 03/28/2025 245083 1721315.94 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 04/09/2025 1184110 7032784.52 Electrum Silver US LLC

C/O TEG, 600 Fifth Avenue, FL 24 New York NY 10020

Common 04/10/2025 2110011 12678423.10 04/11/2025 Citigroup Global Markets Inc as agent and attorney-in-fact for Michael Williams