Fresnillo announced CFO Mario Arreguín will retire after 37 years with the group. Rodrigo Sandoval, formerly CFO of Grupo Gigante and Grupo México’s mining division, becomes CFO Designate on September 21 and formally assumes the role November 1. Arreguín will remain a senior adviser through January 2027 to support the transition.

Goldgroup Mining increased its non-brokered private placement from US$75 million to US$125 million following strong investor demand. Proceeds will support working capital, advancement of its four precious-metals assets—including Don David, Cerro Prieto and San Francisco in Mexico—and potential acquisitions and strategic investments. Closing is expected September 30, subject to regulatory approvals.

Apollo Silver reaffirmed its commitment to help Ejido Benito Juárez address water challenges affecting agriculture, livestock and livelihoods. The company proposes independent technical studies of the aquifer, springs and wells, followed by a jointly defined water program. Community consultations will continue while the resolution reinstating exploration at Cinco de Mayo takes effect.

Heliostar Metals will be added to VanEck’s GDXJ Junior Gold Miners ETF following its September 2026 quarterly rebalance. The inclusion reflects Heliostar’s growth into a multi-asset Mexican gold producer and is expected to increase its institutional exposure, market visibility and trading liquidity.

Mining Americas replaced McGovern Hurley LLP with Ernst & Young LLP as its auditor, effective September 10, 2026. The former auditor’s reports for the previous two financial years contained no reservations, and the company reported no disagreements or other reportable events associated with the change.

Goldgroup highlighted the Don David complex in Oaxaca, comprising the producing Arista and Alta Gracia underground mines, established processing infrastructure and a 55,119-hectare land package. A 34,250-metre 2026 drilling program targets resource expansion and new discoveries, while operational improvements aim to increase productivity, capacity and recoveries.

Apollo Silver reported that the local ejido will vote on lifting the longstanding mining moratorium affecting the Cinco de Mayo project in Chihuahua. A favourable decision would enable negotiations for surface access and potentially restart exploration, although additional agreements and regulatory approvals would still be required.

Sierra Madre commissioned two 1,500-kW diesel generators at its producing La Guitarra silver-gold complex in Mexico. The fully functional system is intended to prevent losses from grid interruptions, which caused 278 hours—more than 11 days—of production downtime between January and August 2026, while supporting operating-cost reductions.