Catalyst Metals Limited (ASX:CYL) hit a landmark milestone on 29 September 2026 with the announcement of a 2 million ounce Ore Reserve at its Plutonic Gold Belt in Western Australia — a target the company set when it consolidated the belt three years ago. The milestone unlocks a production plan of approximately 200,000 ounces per year for approximately 10 years, underpinning what management believes is a rare long-life, consistent gold production asset in today's market.

About the Company

Catalyst Metals Limited (ASX:CYL) is a Western Australian gold producer focused on the Plutonic Gold Belt in the Murchison region, one of Western Australia's historically important gold provinces. Since consolidating the Plutonic Belt three years ago, Catalyst has invested in operational turnarounds, infrastructure rehabilitation, satellite mine development and exploration to transform what it considered a mismanaged legacy asset into a modern, long-life gold operation. The company's central processing Facility is a 2 million tonne per annum (Mtpa) Carbon-in-Leach (CIL) plant which provides the processing backbone for multiple satellite ore sources.

Recent Development

On 29 September 2026, Catalyst Metals announced that it has delivered a 2 million ounce Ore Reserve across the Plutonic Gold Belt — the foundational milestone required to support approximately 200,000 ounces of annual gold production for approximately 10 years. Three new mines — Trident Underground, Cinnamon and Old Highway — are currently being brought into production and will feed the existing, underutilised 2Mtpa CIL processing plant. Over the three years of Catalyst's ownership, the company has grown the Reserve base by 1.8 million ounces at a total cost of approximately A$226 million, equating to A$125 per ounce of Reserve growth — a highly competitive cost of discovery. Notably, over half of the Reserve growth is attributable to higher-grade ore sources: Trident, Old Highway, Cinnamon and Keillor. The company acknowledged that since its September 2025 general 10-year guidance update, there have been changes to permitting timelines, operational delays and updates to processing capability, and that the September 2025 guidance should be read as a general long-term vision rather than precise guidance. Catalyst will make a decision in December 2026 on whether to adjust exploration activities and expenditure at the Plutonic Belt, while noting the potential for further low-cost Reserve additions from Trident, Cinnamon and Old Highway.

Sector Context

The global gold Mining industry is facing a reserve depletion challenge, with few large-scale, long-life new gold mines being brought into production. Catalyst's 2 million ounce Reserve supporting a decade-plus production profile — at a competitive cost of reserve growth — is therefore a materially differentiated asset at a time when major gold producers and investors are seeking exactly this kind of asset security. The Plutonic Belt's centralised CIL processing infrastructure, which is currently underutilised, represents a capital-efficient model for growing throughput as new satellite ore sources are commissioned.

Risks and Uncertainty

Permitting timelines for the new satellite mines (Trident UG, Cinnamon, Old Highway) represent a key near-term risk, as acknowledged by management. Operational execution at the CIL plant — including throughput reliability and processing recovery rates — will determine whether the production plan translates to forecast ounce outputs. The Reserve base is sensitive to gold price assumptions, and any sustained decline in the gold price could reduce the economically mineable portion of the Reserve. Underground mining at Trident carries the typical geotechnical and ground control risks associated with hard-rock underground operations in the Murchison.

Catalysts Investors Can Watch

The December 2026 exploration strategy decision is an important signal — if Catalyst commits to ongoing aggressive exploration, it may further grow the Reserve beyond 2 million ounces, supporting a longer or higher-rate production profile. First ore from Trident Underground, Cinnamon and Old Highway will be watched as proof-of-concept for the multi-mine feed strategy. Quarterly production results will confirm whether actual ounce outputs are tracking toward the approximately 200,000 oz annual target. Any updated 10-year production guidance incorporating the finalised Reserve base will provide the market with improved clarity on the Earnings profile.