Amex Gold Mining Retains CMAC-Thyssen Mining Group for Underground Development of Perron Bulk Sample Program

Amex Exploration Inc. (AMX) has selected CMAC‑Thyssen Mining Group as the underground mining contractor for the 40,000‑tonne bulk sample program at the Perron Gold Project in Quebec. The scope of work encompasses all underground development and mining activities, including ramp construction, services, ground support, drilling, blasting, loading, and hauling.

Mobilization is expected to begin in late July 2026, with portal blasting already scheduled for mid‑July. The appointment follows a competitive tender and marks a transition from preparation to physical underground work. No financial details of the contract were disclosed.

Amex Exploration Inc. (AMX) announced the naming of CMAC as the portal contractor and the finalization of the contract, a move that follows through on the July 6, 2026, update. That earlier statement indicated a portal contractor had been selected, portal construction would begin the week of July 6, and the mining contractor would mobilize around late July.

The selection of CMAC confirms the execution details without altering the timeline or program scope. There is no new technology, cost revelation, or accelerated schedule that would materially change the project’s value or risk profile. The announcement serves as an expected execution milestone within the well-telegraphed bulk sample program, reinforcing that the project is advancing as planned without shifting reserves, funding, or commercial arrangements.

Amex Exploration Inc. (AMX) is an advanced-stage gold development company focused on its 100%-owned Perron Gold Project in the Abitibi greenstone belt of Quebec, located approximately 110 km north of Rouyn-Noranda. The project hosts high-grade gold and VMS mineralization and benefits from excellent infrastructure, including year-round road access, proximity to an airport, and a location just 6.5 km from the town of Normétal. The company holds a district-scale land package of 570.94 km² after consolidating adjacent Ontario projects, including Perron West, Abbotsford, and Hepburn.

Mineral resources effective May 2025 stand at Measured & Indicated 1.615 moz @ 6.14 g/t Au and Inferred 0.698 moz @ 4.31 g/t Au. A Phase 1 Feasibility Study filed in May 2026 outlined a five-year, 1,100 tpd underground toll-milling operation producing 147,000 oz/yr at AISC US$910/oz, with a post-tax NPV5 of C$1.13 B and an IRR of 114.6%. Initial CAPEX is C$193.9 M, gross of C$68.1 M in pre-production revenue. The company is now executing a 40,000-tonne bulk sample to validate mining methods and resource estimates, targeting first production in 2028.