The securities register of “Erdene Resource Development Corporation,” listed on the Mongolian Stock Exchange, has been updated to reflect an increase of 75,001 shares additionally listed on the Toronto Stock Exchange of Canada, bringing the company’s total number of shares to 65,526,376.

Pursuant to Order No. 504 of the Chairman of the Financial Regulatory Commission dated July 23, 2026, and Order No. A/370 of the Acting Chief Executive Officer of the Mongolian Stock Exchange JSC dated August 17, 2026, the securities register of “Erdene Resource Development Corporation,” listed on the Mongolian Stock Exchange, has been updated accordingly.

The company’s 65,451,375 common shares have been increased by 75,001 shares additionally listed on the Toronto Stock Exchange of Canada, bringing the total number of common shares registered with the Mongolian Stock Exchange to 65,526,376.

MONGOLIAN STOCK EXCHANGE