Troilus Mining Corp. reports developments tied to its Troilus copper-gold project in north-central Québec, Canada. Recurring updates cover exploration drilling across the project land package, near-mine resource growth, engineering progress, construction-readiness planning, permitting and project financing activities.
Company news also includes commercial arrangements for copper-gold concentrate, lender and export-credit agency engagement, technical validation work, and finance or governance changes that support the transition from project definition toward mine development.
Troilus (OTCQX: CHXMF) completed Basic Engineering and is advancing Detailed Engineering for its copper-gold Troilus Project in north-central Québec. The company formalized an integrated EPCM with BBA and EBC, engaged Sedgman for independent plant review, and is executing geotechnical and metallurgical validation programs. Site readiness actions include J Pit dewatering completion and camp expansion from 80 to ~200 personnel to support construction staging.
The update emphasizes execution readiness while a formal construction decision remains pending.
Troilus (OTCQX: CHXMF) signed a Memorandum of Understanding with Boliden for long-term copper-gold concentrate offtake from the Troilus Project in north-central Québec. The MoU formalizes prior indicative terms and complements an existing MoA with Aurubis, supporting the company’s concentrate marketing and financing strategy.
The Company cites a senior project debt facility of up to US$1 billion in development and reiterated expected production of ~135.4 million lbs copper equivalent or 75,000 WMT of concentrate (Feasibility Study basis).
Troilus Mining Corp (OTCQX: CHXMF) appointed Marty Rendall as Chief Financial Officer, effective March 1, 2026, while Susanna Milne will become Vice President, Finance. The move is described as strengthening financial leadership as the company advances toward construction readiness.
Rendall brings nearly 30 years of mining finance experience, including CFO roles at Electra Battery Materials and Victoria Gold, where he helped complete more than C$1 billion of financings.
Troilus (OTCQX: CHXMF) summarized its 2025 exploration at the Troilus copper-gold Project (435 km2) and released initial assay and geophysics results that indicate near-mine resource upside and new targets across the property. The program drilled 13,320 metres (11,880 m inside the Phase 1 reserve pit area), completed 2,144 line-km VTEM and 27.85 line-km IP surveys, and collected 2,887 soil samples. Key assays include 2.44 g/t AuEq over 56 m, 78.38 g/t AuEq over 2 m, and extensions returning 1.46 g/t AuEq over 13 m. A new Bear Lake trend was discovered outside the May 2024 pit shell and remains open. 3D geophysical modelling is underway to prioritize 2026 drilling.
Troilus Mining (OTCQX: CHXMF) reviewed 2025 progress and outlined 2026 priorities as it advances the Troilus copper-gold project toward construction readiness. Key 2025 achievements include a ~432% rise in share price, completion of basic engineering and transition to detailed engineering, submission of the ESIA to federal and provincial authorities with federal approval targeted in H2 2026, ~13,300 metres of drilling to upgrade resources, and a CDN$172.5M bought-deal equity financing. Troilus secured a mandated senior debt syndicate increased to up to US$1.0B and negotiated preliminary offtake terms with Aurubis and Boliden. 2026 will focus on detailed engineering, permitting, financing finalization, early site works, and organizational readiness.
Troilus Mining Corp (OTCQX: CHXMF; TSX: TLG) completed its name change from Troilus Gold Corp to Troilus Mining Corp (French: Corporation minière Troilus) following shareholder approval on December 4, 2025. Subject to filings, common shares are expected to trade under the new name on the Toronto Stock Exchange at the start of trading on December 10, 2025, while the ticker TLG will remain unchanged. The new CUSIP for common shares is 89688V103 and warrants expiring October 18, 2026 will have CUSIP 89688V111. Over 55% of issued shares were represented at the Annual and Special Meeting and all management-nominated directors were elected with reported vote percentages. Deloitte LLP was approved as auditor for the ensuing year.
Troilus Gold Corp (TSX: TLG; OTCQX: CHXMF; FSE: CM5R) changed its auditor from McGovern Hurley LLP to Deloitte LLP effective October 21, 2025. The appointment was approved by the Board of Directors.
The Former Auditor issued no reservations for any period it audited and the company reports no reportable events under NI 51-102 between the company and the Former Auditor. The company filed a Notice of Change of Auditor and required letters from both auditors on SEDAR+.
The company expressed appreciation to McGovern Hurley for their services.
Troilus (OTCQX: CHXMF) reports basic engineering for the Troilus copper-gold Project has surpassed 85% completion as of Oct 15, 2025, led by BBA.
Key engineering deliverables — capital cost estimates, vendor evaluations, and execution plans — are well advanced, with all RFQs issued and firm bids received for key items. Review of 3D models is over 30% complete. The company is targeting completion of basic engineering before year-end and a construction decision in 2026, progressing toward construction readiness and commissioning sequencing.
Troilus (OTCQX: CHXMF) was shortlisted for the QMEA Excellence in Sustainable Development award and has also submitted a candidacy for Entrepreneur of the Year.
The awards are part of the Québec Mineral Exploration Association’s 2025 Recognition Gala on October 29, 2025, held during the Xplor convention at Le Westin Montréal from October 27–30, 2025. Selections are made by a committee reporting to the QMEA Board, based on companies’ work, projects, and initiatives over the year.
Troilus emphasized its focus on environmental stewardship, community engagement, and responsible advancement of the Troilus Project as one of Canada’s largest future gold-copper producers.
Troilus Gold Corp. (OTCQX: CHXMF) has signed a Memorandum of Agreement (MoA) with Aurubis AG, a leading global copper smelter, for long-term copper-gold concentrate offtake from its Troilus Project in Québec, Canada. The agreement was executed during Canada's Critical Minerals Mission to Germany, attended by high-ranking government officials from both countries.
The MoA establishes commercial terms for a significant portion of Troilus' concentrate delivery to Aurubis and aligns with the company's broader debt financing package of up to US$700 million announced in March 2025. Ocean Partners USA Inc. is serving as Troilus' independent advisor for the concentrate offtake strategy, while Auramet International Inc. continues to assist with debt package structuring.