HIGHLIGHTS:

Construction at Robex’s Kiniero Gold Project, Guinea, remains on schedule and budget - first gold pour on track for Q4 CY25.
Project remains LTI free (lost time injury).
Phase 1 grade control drilling at Mansounia commenced on 18 March 2025 with 24,287m drilled as of 30 April.
SMP (Structural, Mechanical & Piping) Contract for process plant construction awarded and mobilisation commenced.
First four power station engines and generators completed and successfully tested for shipping in early June. Four remaining power station engines are scheduled for testing mid-June.
Mechanical and electrical equipment, piping and electrical materials on track for delivery within the working schedule.
ROM pad backfilling nearing completion.
Reclaim chamber suspended slab scheduled for late May as final major concrete pour. Process plant concrete 93% complete.
Structural steel and platework fabrication at 74% and 83% respectively progressed, with seven shipments of structural steel and two shipments of platework in transit to Kiniero; Field tank structures 56% progressed.
Preparation of Phase 1A of tailing storage facility (TSF) base is nearing completion with 450,000m2 of 800,000m2 liner placed. Construction of the main embankment has commenced and progressing well.
Fuel supply contract was awarded, and construction of the fuel storage facility has commenced.
Mill installation contract awarded with onsite works to commence in early June.
Contracts for mining and drill and blast being finalised, with mobilisation commenced. Full mobilisation in Q3 CY2025.
MoU signed with Vivo Energy to design Kiniero solar farm.

QUEBEC CITY, May 14, 2025 (GLOBE NEWSWIRE) -- West African gold producer and developer Robex Resources Inc (“Robex” or the “Company”) (TSX-V: RBX) is pleased to provide a May 2025 project construction update for its Kiniero Gold Project in Guinea, West Africa. Robex is on track to deliver first gold at Kiniero in Q4 CY25. Robex expects to produce 155,000oz gold at Kiniero in 2026.

Figure 1: View of Kiniero’s milling and CIL infrastructure, looking west (9 May 2025)

Figure 2: Aerial view of the Kiniero site showing process plant and infrastructure (9 May 2025)

Figure 3: Tailings storage facility showing the extent of lining and main embankment construction (9 May 2025).

Robex’s Managing Director and Chief Executive Officer Matthew Wilcox said: “Our progress at Kiniero continues on budget and schedule, with some aspects of construction very near to completion, such as process plant construction, which is nearly done, and structural steel and platework fabrication also advanced. It continues to be very busy on site, but our teams are maintaining rigorous safety protocols, and we remain LTI free, which is pleasing. Contracts for mining as well as drill and blast services are being finalised with teams from our selected contractors mobilising to site to ensure this work commences on schedule. Grade control drilling at Mansounia has progressed well since commencing in March.

Having progressed our Initial Public Offer to raise $120 million before costs and list on the ASX in June in parallel with our busy construction schedule, I am grateful to both our construction and corporate teams for their hard work and dedication. We look forward to finalising remaining details over the next few months to ensure we achieve our goal of first gold in Q4.”

CONSTRUCTION ACTIVITIES

Construction continues to track well against the schedule with concrete for the process plant nearing completion. First shipment of structural steel arrived on site, with progressive deliveries scheduled to arrive every two weeks.

The SMP contract has commenced mobilisation and site establishment and will commence structural steel erection of the first process plant steelwork in early June. The milling installation contract has been awarded with key mill deliveries arriving to site and work for the mill installation will commence in early June. The tailings dam construction is progressing well, with more than 50% of the phase 1A lining completed.

Figure 4: Primary crusher ROM wall and chamber (9 May 2025)

Figure 5: View of reclaim chamber (9 May 2025)

Figure 6: Power Station Generator base reinforcement and formwork ready for concrete pour (9 May 2025)

Figure 7: Fuel Storage Facility Ring beams poured (9 May 2025)

Figure 8: SAG Mill shells delivered to site (1 May 2025)

NEXT STEPS

Finalise the fully executed contract for mining and drill and blast.
Award the ore haulage contract.
Tender the laboratory and power station operation and maintenance contracts.
Commence mill installation works on site.
Commence process plant SMP installation works.
Procure critical, operating and maintenance spares.

Robex Resources Inc.

Matthew Wilcox, Managing Director and Chief Executive Officer
Alain William, Chief Financial Officer

+1 581 741-7421

Email: investor@robexgold.com
www.robexgold.com

Not an offer of securities

This news release does not constitute an offer to sell, or a solicitation of an offer to buy, securities in the United States or any other jurisdiction. Any securities described in this news release have not been, and will not be, registered under the US Securities Act of 1933 and may not be offered or sold in the United States except in transactions exempt from, or not subject to, registration under the US Securities Act and applicable US state securities laws.

FORWARD-LOOKING INFORMATION AND FORWARD-LOOKING STATEMENTS

Certain information set forth in this news release contains “forward‐looking statements” and “forward‐looking information” within the meaning of applicable Canadian securities legislation (referred to herein as “forward‐looking statements”). Forward-looking statements are included to provide information about the Company’s management’s (“Management’s”) current expectations and plans that allow investors and others to have a better understanding of the Company’s business plans and financial performance and condition.

Statements made in this news release that describe the Company’s or Management’s estimates, expectations, forecasts, objectives, predictions, projections of the future or strategies may be “forward-looking statements”, and can be identified by the use of the conditional or forward-looking terminology such as “aim”, “anticipate”, “assume”, “believe”, “can”, “contemplate”, “continue”, “could”, “estimate”, “expect”, “forecast”, “future”, “guidance”, “guide”, “indication”, “intend”, “intention”, “likely”, “may”, “might”, “objective”, “opportunity”, “outlook”, “plan”, “potential”, “should”, “strategy”, “target”, “will” or “would” or the negative thereof or other variations thereon. Forward-looking statements also include any other statements that do not refer to historical facts. This news release includes certain “forward-looking statements” under applicable Canadian securities legislation, including, without limitation, statements regarding the terms of the Offer. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements.

Forward-looking statements reflect the beliefs, opinions and projections on the date the statements are made and are based upon a number of assumptions and estimates that, while considered reasonable by the Company, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors, both known and unknown, could cause actual results, performance or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements and the parties have made assumptions and estimates based on or related to many of these factors. Such factors include, without limitation: risks that the Offer and the ASX listing may not be completed, risks related to share price and market conditions, the inherent risks involved in the mining, exploration and development of mineral properties, the uncertainties involved in interpreting drilling results and other geological data, fluctuating metal prices, the possibility of project delays or cost overruns or unanticipated excessive operating costs and expenses, uncertainties related to the necessity of financing, uncertainties relating to regulatory procedure and timing for permitting submissions and reviews, the availability of and costs of financing needed in the future as well as those factors disclosed in the annual information form of the Company and other filings made by the Company with the Canadian securities regulatory authorities (which may be viewed at www.sedarplus.ca).

Although the Company believes its expectations are based upon reasonable assumptions and has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking information, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. These factors are not intended to represent a complete and exhaustive list of the factors that could affect the Company; however, they should be considered carefully. There can be no assurance that forward-looking information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information.

The Company undertakes no obligation to update forward-looking information if circumstances or Management’s estimates, assumptions or opinions should change, except as required by applicable law. The reader is cautioned not to place undue reliance on forward-looking information.

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