TROILUS PROVIDES UPDATE ON BASIC AND DETAILED ENGINEERING PROGRESS WITH BBA Main process flowsheet finalized; engineering execution on track to support 2026 construction decision
TROILUS PROVIDES UPDATE ON BASIC AND DETAILED ENGINEERING PROGRESS WITH BBA
Main process flowsheet finalized; engineering execution on track to support 2026
construction decision
June 10, 2025, Montreal, Quebec – Troilus Gold Corp. (TSX: TLG; OTCQX: CHXMF; FSE: CM5R)
(“Troilus” or the “Company”) is pleased to provide an update on the progress of basic and detailed
engineering at its copper-gold Troilus Project (the “Project”), led by engineering partner BBA Inc.
(“BBA”) based in Montreal, Quebec. Since being awarded the mandate earlier this year (see January
28, 2025 press release), a dedicated team of approximately 45 full-time engineers and specialists has
been advancing key workstreams on schedule as the project moves forward on the path to
construction readiness.
Highlights of engineering progress to date include:
Process Flowsheet Finalized
▪ A comprehensive review of the May 2024 Feasibility Study was completed earlier this year.
▪ Key trade-off studies were conducted, resulting in design improvements to support
scalability, operational robustness, and energy efficiency , with minimal impact to CAPEX.
▪ The optimized main process flowsheet was finalized on schedule, supporting the broader
detailed engineering timeline.
12-week Initiation Program Complete
▪ EPCM contract awarded, and engineering team fully mobilized
▪ Contracting matrix completed and procurement strategy launched, with multiple RFPs issued
▪ Finalization of EPCM and owner’s team organizational structures
Justin Reid, CEO of Troilus, commented “We’ve made excellent progress in recent months thanks to
the strong collaboration between BBA and our internal project team. Finalizing the flowsheet on
schedule marks a major milestone and speaks to the precision and discipline guiding our development
approach. BBA’s deep familiarity with the site and its track record on world-class projects like
Canadian Malartic and Detour Lake, continues to add significant value. We look forward to sharing
further technical developments as we advance toward construction readiness .”
About BBA Inc.
BBA Inc. is a leading Canadian engineering firm with over 45 years of experience in the energy,
mining, and natural resources sectors. Known for its strong technical expertise and practical
approach, BBA has contributed to major projects like Canadian Malartic and Detour Lake. The firm
brings a deep understanding of complex sites and has a long history with the Troilus project, having
previously supported flotation circuit optimization under Inmet Mining. With 20+ offices across
Canada, the United States, and Chile, BBA supports clients globally with integrated solutions from
early studies to execution.
About Troilus Gold Corp.
Troilus Gold Corp. is a Canadian development -stage mining company focused on the systematic
advancement of the former gold and copper Troilus Mine towards production. Troilus is located in the
tier-one mining jurisdiction of Quebec, Canada, where it holds a large land position of 435 km² in the
Frôtet-Evans Greenstone Belt. A Feasibility Study completed in May 2024 supports a large-scale 22-year,
50ktpd open-pit mining operation, positioning it as a cornerstone project in North America.
For more information:
Caroline Arsenault
VP Corporate Communications
+1 (647) 276-0050
Cautionary Note Regarding Forward-Looking Statements and Information
This press release contains “forward -looking statements” within the meaning of applicable Canadian
securities legislation. Forward-looking statements include, but are not limited to, statements regarding,
the impact of the BBA mandate on the Company and the likelihood that the mandate will progress on the
timeline and budget projected . Generally, forward -looking statements can be identified by the use of
forward-looking terminology such as “plans”, “expects” or “does not expect”, “is expected”, “budget”,
“scheduled”, “estimates”, “forecasts”, “intends”, “continue”, “anticipates” or “does not anticipate”, or
“believes”, or variations of such words and phrases or statements that certain actions, events or results
“may”, “could”, “would”, “will”, “might” or “will be taken”, “occur” or “be achieved”. Forward-looking
statements are made based upon certain assumptions and other important facts that, if untrue, could
cause the actual results, performances or achievements of Troilus to be materially different from fu ture
results, performances or achievements expressed or implied by such statements. Such statements and
information are based on numerous assumptions regarding present and future business strategies and
the environment in which Troilus will operate in the future. Certain important factors that could cause
actual results, performances or achievements to differ materially from those in the forward -looking
statements include, amongst others, currency fluctuations, the global economic climate, dilution, share
price volatility and competition. Forward -looking statements are subject to known and unknown risks,
uncertainties and other important factors that may cause the actual results, level of activity,
performance or achievements of Troilus to be materially different from those expressed or implied by
such forward-looking statements, including but not limited to: there being no assurance Troilus will meet
all conditions for further draw downs under the Loan; uncertainties with respect to additional warrants
being exercised; there being no assurance that the exploration program or programs of the Company will
result in expanded mineral resources; risks and uncertainties inherent to mineral resource and reserve
estimates; the high degree of uncertainties inherent to feasibility studies and other mining and economic
studies which are based to a significant extent on various assumptions; variations in gold prices and
other metals, exchange rate fluctuations; variations in cost of supplies and labour; receipt of necessary
approvals; availability of financing for project development; uncertainties and risks with respect to
developing mining projects; general business, economic, competitive, political and social uncertainties;
future gold and other metal prices; accidents, labour disputes and shortages; environmental and other
risks of the mining industry, including without limitation, risks and uncertainties discussed in the
Company’s latest Annual Information Form, its technical reports and other continuous disclosure
documents of the Company available under the Company’s profile at www.sedarplus.ca. Although
Troilus has attempted to identify important factors that could cause actual results to differ materially
from those contained in forward-looking statements, there may be other factors that cause results not to
be as anticipated, estimated or intended. There can be no assurance that such statements will prove to
be accurate, as actual results and future events could differ materially from those anticipated in such
statements. Accordingly, readers should not place undue reliance on forward-looking statements. Troilus
does not undertake to update any forward -looking statements, except in accordance with applicable
securities laws.