| Harfang and SOQUEM Make High-Grade Gold Discoveries at Menarik West, Québec 
 globenewswire.com
 
 October 29, 2025 08:00 ET                                 | Source:                                Harfang Exploration Inc.
 
 MONTREAL, Oct.  29, 2025  (GLOBE NEWSWIRE) -- Harfang Exploration Inc. (TSX-V: HAR) (“Harfang”) and SOQUEM Inc. (“SOQUEM” and together the “Companies”)  announce multiple high-grade gold discoveries from their joint summer  2025 exploration program at Harfang’s wholly-owned Menarik West Property  (the “Property”), located in Eeyou Istchee James Bay, Québec (see Figure 1).
 
 HIGHLIGHTS
 
 
 Discovery of six (6) gold showings, two (2) gold and silver showings, and one (1) copper showing.Top three grab samples returned 55 g/t Au, 35 g/t Au, 5 g/t Au; in total eight (8) grab samples returned over 2 g/t Au.Additional  gold-bearing and altered monzonites found within and outside the known  Pierre Zone that will likely serve as a driver for future exploration.Gold discoveries on recently staked claims in the southwestern part of the Property.
 
 Rick Breger, President and CEO of Harfang, commented, “Harfang  continues to punch above its weight. This is the second exploration  program that has led to a gold discovery in the last six months. Here in  Quebec, our partner, SOQUEM, deserves abundant praise. Their deep  expertise in exploration and Quebec geology has been invaluable. This  summer marked a major step forward for Menarik West—we advanced into  previously unexplored ground and made high-grade gold discoveries both  within and beyond the Pierre Zone.”
 
 “One  of the most exciting developments is the presence of more altered  monzonites outside the known Pierre monzonite. Our early interpretation  is that these monzonites could host the core value of the deposit, with  the veins and stockwork acting as high-grade sweeteners. With two  bonanza-grade gold veins, widespread altered monzonites, and the  discoveries on recently staked ground, both Harfang and SOQUEM are  already seeing the benefits of continued exploration investment.”
 
 Summer Program Overview
 
 On July 29, 2025, Harfang and SOQUEM signed a definitive option and joint venture agreement (the “Agreement”),  giving SOQUEM the option to earn a 50% interest in the Property by  funding $3,000,000 of exploration expenses and paying Harfang $200,000  in cash, over a three-year period.
 
 In August  2025, the Companies completed a 20-day exploration program at Menarik  West. The program, funded entirely by SOQUEM, was designed to evaluate  multiple underexplored structural corridors and intrusive contacts  outside of the main Pierre showing. To date, most of the exploration  efforts have been concentrated on the Pierre intrusive center (the “Pierre Zone”), which continues to remain the key target at Menarik West.
 
 The  summer exploration program identified multiple new showings (see Table 1  & Figure 2), both intrusion-hosted and vein-type, confirming that  the gold-bearing system at Menarik West extends well beyond the known  Pierre Zone. This is highlighted by the identification of additional  intrusion-hosted mineralization north and northeast of the Pierre Zone,  pointing to complementary gold targets (see Figure 3).
 
 Table 1. Select assay results from the summer 2025 program at Menarik West (grab samples).
 
 
 
  
 Coordinates  are presented in NAD83 UTM Zone 18. The reader is cautioned that grab  samples are selective by nature, and do not necessarily reflect the  overall grade of underlying mineralization.
 
 Intrusion-Hosted Mineralization
 
 The  Adrian discovery returned 3.67 g/t Au from a porphyritic monzonite  altered by chlorite, sericite, hematite, and disseminated pyrite, and  cut by quartz-carbonate stockwork. The alteration and mineralization  styles are analogous to those of the Pierre Zone where Harfang  intersected 1.15 g/t Au over 47 m in hole LMN-23-017 (see press release  dated May 11, 2023). Located approximately 300 metres northwest of  LMN-23-017, the Adrian discovery reinforces the potential for a larger,  continuous intrusion-related gold system along the eastern contact of  the Pierre Zone (see Figure 3).
 
 Additional  sampling of a series of intermediate stocks and dikes, both within and  outside the Pierre Zone, yielded the presence of gold associated with  disseminated sulphides and alteration facies in chlorite ± hematite,  sericite, and quartz. These mineralized zones are consistent with  induced polarization (“IP”) chargeability axes. Pierre  and the newly identified gold-enriched intrusions share similar magmatic  signatures (sanukitoid-type), which are analogous to the intrusive  rocks at major gold deposits including Canadian Malartic and the  Kirkland Lake gold camp, both located in the heart of the Abitibi Gold  Belt.
 
 High-Grade Vein-Type Discoveries
 
 The  Merlin and Jorge discoveries, both located in the central area of the  Property, represent the vein-type gold discoveries with the highest  grades from the summer exploration program.
 
 At  Merlin, a grab sample returned 55.40 g/t Au and 106 g/t Ag from a  quartz-carbonate vein with approximately 10% disseminated pyrite, and  hosted in a chlorite- and ankerite-altered monzonite at the northern  margin of the Pierre Zone. The Merlin discovery is spatially coincident  with an IP chargeability axis.
 
 At Jorge, a grab  sample returned 34.60 g/t Au from a quartz-carbonate vein hosted in a  gabbro dyke along an east-west trending shear zone. Visible gold was  observed (see Figure 4).
 
 New Prospective Ground
 
 In March 2025, Harfang acquired an additional 26 exclusive exploration rights (“EERs”)  by map designation on the southwestern part of the property. As part of  the summer exploration program, the Companies conducted a first-pass  prospecting campaign on these EERs, which led to the discoveries of  Missi and Vincent, returning 4.17 g/t Au and 2.05 g/t Au, respectively.  Both discoveries are associated with quartz veining in NE-trending shear  zones, which further connect eastward with prospective structural  corridors.
 
 Follow-up work on the 2022  discoveries in the eastern part of the Property, along major NE-trending  faults, led to the recognition of three additional zones of interest:  Gil (4.92 g/t Au and 55.8 g/t Ag), Cox (2.15 g/t Au), and Oswald East  (0.76% Cu, 0.33 g/t Au, 41.2 g/t Ag). These showings consist of  laminated quartz-carbonate veins associated with gabbro and iron  formation within a three-kilometre-long NE-trending structural corridor  that extends beyond previously tested zones.
 
 About Menarik West
 
 The Menarik West Property consists of 332 EERs, covering 171 km2.  The Property is accessible via the Billy-Diamond Highway that cuts  across the Property, at kilometre 500 from the town of Matagami. The  closest town is Radisson, located approximately 50 km to the north.  Three major powerlines pass through the Property.
 
 Menarik  West has been intermittently explored since the early 2000s with  drilling primarily focused on the Pierre Zone. As a result, much of the  property remains underexplored. Historic and recent drilling, including  Harfang’s 2023 program, demonstrated the presence of low-grade  mineralized envelopes, highlighted by the Pierre Zone which returned  0.89 g/t Au over 68.25 metres (drill hole 1404-03) and 1.15 g/t Au over  47 metres (drill hole LMN-23-017). Mineralization consists of brecciated  and highly altered monzonite with zones of sericitization,  silicification, and pyrite along with quartz-carbonate veins and  stockwork.
 
 Sampling Protocols and Quality Control
 
 Each  rock sample collected in the field was identified, securely bagged and  transported to ActLabs laboratories (Val-d’Or, Québec), a certified  commercial laboratory, to be analyzed for gold and a suite of other  chemical elements. These samples were prepared using the RX1 method and  analyzed by ICP-OES & ICP-MS (UT-6M) for 49 elements, and by fire  assay on 30-gram fractions with atomic absorption finish for gold,  following a 4-acid (near-total) digestion. Overrange assays for gold  (>10 g/t Au) were reanalyzed by fire assay on 30-gram fractions with a  gravimetric finish. A strict QA/QC procedure was implemented, with one  certified reference material (CRM) and one blank sample inserted into  the sample stream for every batch of 50 samples.
 
 Qualified Person
 
 Ludovic  Bigot, P.Geo., VP Exploration of Harfang, prepared and approved the  technical information contained in this news release. Mr. Bigot is a  qualified person within the meaning of National Instrument 43-101 on  standards of disclosure for mineral projects.
 
 About Harfang Exploration Inc.
 
 Harfang  Exploration Inc. is a mineral exploration company focused on  discovering ore deposits in Québec and Ontario. The Company is run by a  team of enthusiastic and dedicated industry professionals with varied  experience and a proven track record. The Company holds a portfolio of  prospective projects and is dedicated to best practices by engaging with  all stakeholders and prioritizing environmental responsibility.
 
 About SOQUEM
 
 SOQUEM,  a subsidiary of Investissement Québec, is dedicated to promoting the  exploration, discovery and development of mining properties in Québec.  SOQUEM also contributes to maintaining strong local economies. A proud  partner and ambassador for the development of Québec’s mineral wealth,  SOQUEM relies on innovation, research, and strategic minerals to be  well-positioned for the future.
 
 For further information, please contact:
 
 Rick Breger, P.Geo., MBA
 President, CEO, and Director
 E:  rbreger@harfangexploration.com
 T: 514.940.0670
 
 Cautionary Statement Regarding Forward-Looking Information
 
 The  information in this news release includes certain information and  statements about management’s view of future events, expectations, plans  and prospects that constitute forward-looking statements. These  statements are based upon assumptions that are subject to significant  risks and uncertainties. Because of these risks and uncertainties and as  a result of a variety of factors, the actual results, expectations,  achievements or performance may differ materially from those anticipated  and indicated by these forward-looking statements. Any number of  factors could cause actual results to differ materially from these  forward-looking statements as well as future results. Although Harfang  believes that the expectations reflected in forward-looking statements  are reasonable, it can give no assurances that the expectations of any  forward-looking statements will prove to be correct. Except as required  by law, Harfang disclaims any intention and assumes no obligation to  update or revise any forward-looking statements to reflect actual  results, whether as a result of new information, future events, changes  in assumptions, changes in factors affecting such forward-looking  statements or otherwise.
 
 Neither the TSX Venture  Exchange nor its Regulation Services Provider (as that term is defined  in the policies of the TSX Venture Exchange) accepts responsibility for  the adequacy or accuracy of this release.
 
 Figure 1. Location map of Harfang’s projects in Eeyou Istchee James Bay, Québec, highlighting Menarik West.
 
 
 
  
 Figure 2. Select assay results from the summer 2025 exploration program at Menarik West
 
 
 
  
 Figure 3. Mineralization types and grades, with total magnetic intensity in the background at Menarik West.
 
 
 
  
 Figure 4. Select showings and geological map from the summer 2025 exploration program at Menarik West.
 
 
 
  
 
 Figures accompanying this announcement are available at
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