Activities Update For The South Crofty Tin Project

Cornish Metals Inc. (AIM/TSX-V: CUSN) ("Cornish Metals" or the "Company"), a mineral exploration and development company focused on advancing its wholly owned and permitted South Crofty tin project in Cornwall, United Kingdom, is pleased to provide an update on the progress of activities at South Crofty.

Excavation of the new process plant area commenced in August 2025, as planned. The work is currently focused on the initial phase of the excavation, which includes the topsoil removal and the handling and disposal of organic material in compliance with environmental regulations. See image 1 below.

Demolition of the old north winder house and dismantling of the old north winder have commenced, making way for construction of the new building in the coming months that will house the new production winder that has been ordered from Qualter Hall.

Following on from the news release dated 12 August 2025, work on the mid-shaft pump station is progressing to plan with the work area secured and stabilisation of the underground chamber of the pump station complete. Removal of the old pumps, pipes and steelwork is underway in preparation for lifting to surface that will then enable the installation of new permanent pumps. See image 2 below.

Image 1: Excavation works at processing plant location.

Image 2: New Cook's Kitchen shaft pump station at approximately 360 metres below surface.

ON BEHALF OF THE BOARD OF DIRECTORS

"Don Turvey"

Don Turvey

CEO and Director

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Caution regarding forward looking statements