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ASX Announcement 31 July 2026 catalyst METALS LTD Catalyst Metals ' flagship asset is the 40km long Plutonic Gold Belt in Central Western Australia . This belt currently produces ~ 100koz pa at a target AISC of A $ 2,800 / oz from three mines at Plutonic Plutonic East and K2 . - June 2026 Quarterly Report Quarterly Highlights • Record quarterly Plutonic gold production of 31,886oz at an AISC of A $ 2,666 / oz produced Main • A $ 54m cash build for the quarter after corporate costs , capital and exploration • Annual gold production and costs in - line with guidance : Catalyst is currently bringing three new mines into production Trident UG , Cinnamon & Old Highway . Each will be processed through the existing , underutilised and centrally located 2Mtpa processing plant . Exploration is CIL targeting down dip extensions of each of these deposits . With the development and exploration of these five deposits , Catalyst aims to increase Reserves and production from 1.5Moz to + 2Moz and ± 100koz to + 200koz annually . In so doing , Catalyst is aiming for Plutonic to have a 10 year mine life - a unique and rare proposition for an underground Western a Australian gold mine . Catalyst also controls processing plant and + 75km of strike length immediately north of the historic + 22Moz Bendigo goldfield . Here , Catalyst has delineated a high - grade , greenfield resource at 26 g / t Au . Further discoveries along strike are expected . Capital Structure Shares o / s : 261m Options : 0.5m Rights : 12.2m Cash & Bullion : A $ 331m Debt : Nil Reserve and Resource¹ MRE : 4.5Moz at 3.3g / t Au ORE : 1.5Moz at 2.6g / t Au Corporate Details ASX : CYL E : investors @ catalystmetals .com.au W catalystmetals.com.au • Gold production of 103,761oz ( guidance 100,000 - 110,000oz ) • AISC of A $ 2,738 / oz sold ( guidance A $ 2,750 - A $ 2,950 / oz ) • Trident underground Resource increased to 1.1Moz at 5.4g / t Au , including indicated Resources of 633koz at 6.3g / t Au , with Reserve update expected in September 2026 • Trident decline progressing well after completion of open pit in May 2026 • Trident a key future ore source with average production of 60-80koz per annum • Ore sourced from four mines across the Plutonic Belt - Plutonic Main , Plutonic East , Trident open pit and K2 underground Growth & Exploration • Trident open pit completed and underground portal established , with development of decline underway ; the fourth mine developed by Catalyst on the Belt in 24 months • • • K2 development completed during the quarter with first stoping ore processed Drilling at Cinnamon increased the strike length of the higher - grade underground zone to + 700m , returning results including 38m at 10.5g / t Au and 17m at 21.5g / t Au and supporting Cinnamon as a sixth ore source for the Belt A longer than usual mill shutdown as a result of the installation of new secondary and tertiary crusher at the Plutonic processing plant To demonstrate Catalyst's low - cost processing optionality , a study was completed into refurbishment of the second processing plant at Plutonic . This would allow an increase in processing capacity to between 2.5Mtpa and 3.0Mtpa for A $ 50 to A $ 75m Financial and Corporate • Operating cashflow was A $ 85m² ( including gold bullion increase of A $ 10m ) . Of this , A $ 9m was re - invested in growth projects ( Trident , K2 & OHW development ) , A $ 4m in non- discretionary capital ( processing plant , power ) and A $ 13m in exploration ( refer figure 2 ) • Realised gold price for the year was A $ 6,325 / oz ; for the quarter A $ 6,492 / oz Cash and bullion at quarter end was A $ 331m , an increase of A $ 54m on the prior quarter • Catalyst is debt free – undrawn debt facility of A $ 100m provides liquidity of A $ 431m FY27 Guidance • - In late September 2026 , Catalyst will provide FY27 production and AISC guidance . This will include an update to the 10 - year guidance released in September 2025 • Since September 2025 , Catalyst has seen changes including to permitting timelines and Reserves / Resources , geological changes , operational delays and has a better understanding of its processing capability which will be incorporated into the FY27 guidance Note 1 : MRE includes Indicated Resources of 32.9Mt at 3.3g / t for3.4Moz and Inferred Resources of 9Mt at 2.7g / t for 0.8Moz . ORE includes probable Reserves of 18.1Mt at 2.6g / t for 1.5Moz . Note 2 : Refer to ASX announcement 14 October 2025 " Annual Report to shareholders " . Note 2 : Operating cashflow is after sustaining capital , corporate costs and working capital movements 1