Sonoro Gold Provides Corporate UPDATE

VANCOUVER, Canada, September 30, 2025 – Sonoro Gold Corp. (TSXV: SGO | OTCQB: SMOFF | FRA: 23SP) (“Sonoro” or the “Company”) is pleased to provide a Corporate Update on the Company’s two mineral projects located in Sonora, Mexico.

Cerro Caliche Gold Project

Sonoro intends to commission an updated Preliminary Economic Assessment (“PEA”) on its flagship Cerro Caliche Gold project currently in the permitting phase for a proposed open pit, heap leach mining operation. The project’s current PEA was filed in August 2023 and contemplates an initial 9-year mining operation at 12,000 metric tonnes per day (“mtpd”) with economic parameters based on a gold price of US $1,800 per ounce. The updated PEA will reflect an increased gold price as well as higher capital cost and operating cost estimates. The updated PEA will also include a revised mine plan to align with recent updates to the project’s Environmental Impact Statement, or Manifestacion de Impacto Ambiental (“MIA”). As stated in Sonoro’s July 9, 2025 News Release, the recent revisions to the MIA optimize the project’s footprint while ensuring the project also meets Read Full PDF