Bonterra Resources, Inc. · TSXV:BTR
Bonterra Resources — Investor Presentation (September 2026)
32 slides from Bonterra Resources's investor presentation, Sep 1, 2026
Slide 1: Corporate Presentation Q3 2026
Corporate Presentation Q3 2026 Strategic Assets in Québec’s Next Gold Camp: Exceptional Value, High Potential TSX-V BTR OTCQX BONXF FSE 9BR2 BTRGOLD.COM 1
Slide 2: Forward Looking Statements
Forward Looking Statements In this presentation, forward-looking information pertains to, among other things: the proposed use of proceeds of Notes on Technical Information the Credit Facility and the potential issuance of Shares in satisfaction of interest and/or the Commitment Fee, the goals for 2
Slide 3: Corporate Snapshot
Corporate Snapshot Share Structure Top Shareholders Issued & Outstanding Shares 382.9M 2% TOP INSTITUTIONS & HNW 13% Options 11.8M (Weighted average exercise price of C$0.52) R. Vora Warrants 65.8M (Weighted average exercise price of C$0.30) 56% RSUs 0.6M 29% Fully Diluted Shares 461.1M KEY STRATEGI
Slide 4: Prolific Gold Producing Region
Prolific Gold Producing Region Canada is home to several prolific gold districts, yet none can rival the Abitibi Greenstone belt. The Golden Triangle, BC 1 The Red Lake District, ON 1 The Abitibi Greenstone Belt, QC-ON 1 > 5.5M ozs* > 30M ozs* > 200M ozs* Total gold content on > 300M ozs the belt, i
Slide 5: Young and Emerging Camp
Young and Emerging Camp Unlike the Val-d’Or Camp, which has been explored for over a century, the Urban-Barry Camp has only seen sustained exploration efforts since the early 2000s. • Northeast portion of the Abitibi Greenstone Belt remains 1960’s 1950’s underexplored. >50M ozs >10M ozs • The Urban-
Slide 6: Location & Infrastructure
Location & Infrastructure Bachelor Mill Complex Desmaraisville Property • 250 km from Val-d'Or, the site is Bachelor Mill Complex 25,700 ha 800 tpd (permitted) connected to all key infrastructure and benefits from hydroelectric power. • The only operational mill with tailings management area capaci
Slide 7: Validation by a Major Gold Miner
Validation by a Major Gold Miner • In August 2024, Gold Fields agreed to pay C$2.16B to acquire Osisko Mining and consolidate the 50-50 JV Windfall (Windfall Mining Group) the two formed in 2023. • To date, more than C$25M of the C$30M earn-in commitment under the Phoenix JV has been spent. Gladiato
Slide 8: JV with Gold Fields
JV with Gold Fields Phoenix JV JV Interest (%) Gold Fields has the ability to earn 70% Upfront Payment (Received) C$5M Exploration Expenditures (Ongoing) C$30M (over three years starting November 2023) Operator Gold Fields Meters Drilled Under the JV (as of May 2026) ~88,143 m Access to one of the b
Slide 9: Multiple Targets Being Tested
Multiple Targets Being Tested Gold Fields are undertaking a comprehensive regional exploration program on the Phoenix JV. • ~79,800 m drilled to date, with ~97% of assays received from ~14,500 m drilled in 2025. • 36,946 m drilled at Moss target, which is located only 5 km southwest from the Windfal
Slide 10: High-Grade Discovery at Moss
High-Grade Discovery at Moss Promising targets have already been identified, including Moss, where Lynx-type mineralization has been discovered. Moss Target Lynx Zone 800m thickness 200m thickness 150N F-51 Lynx Mineralization Discovered at Moss Lynx Mineralization at Windfall • Grey quartz-pyrite v
Slide 11: Three Main Zones at Moss
Three Main Zones at Moss Longitudinal view of the Moss target showcasing top results (looking North). CORPORATE PRESENTATION BTRGOLD.COM 11
Slide 12: Deep Drilling at Barry
Deep Drilling at Barry Longitudinal and section views of the deep drilling targets at the Barry deposit. • Gold Fields has launched an ~8,000 m drill program at Barry focused on deep drilling to test down-plunge mineralization at depth and along the eastern extension, supported by historical high-gr
Slide 13: Drilling at 100% Owned Properties
Drilling at 100% Owned Properties Bonterra has launched a regional exploration program at the Desmaraisville Property. • ~5,000 m drill program in 2024 led to the discovery of four new mineralized zones within 5 km of the Bachelor Mill. • 90% of historical diamond drilling was concentrated at the Ba
Slide 14: Hewfran Zone Extension at Bachelor Mine
Hewfran Zone Extension at Bachelor Mine Hewfran Zone extension unlocks near- BRDS-25-076 BRDS-25-092 mine exploration growth and highlights 2.78 g/t Au over 4.7 m 1.32 g/t Au over 17.0m including 14.2 g/t Au over 0.7m including 3.88 g/t over 4.0m restart potential. • Located at 100%-owned Desmaraisv
Slide 15: Existing Infrastructure & Mill
Existing Infrastructure & Mill The Bachelor Mill Complex had over C$100M spent and is a key strategic asset for Bonterra and Bachelor Mill Complex future mining operations in the camp. • 350,000 ozs of historical gold production from Bachelor mine. Bachelor Mill Complex Barry Open Pit & Camp Gladiat
Slide 16: Cheap Ounces in a Safe Jurisdiction
Cheap Ounces in a Safe Jurisdiction Bonterra has never been cheaper to its peers. Comparable Peers EV / Resource (US$/oz AuEq) $259 Bonterra $199 EV/oz $122 $21* $26 $29 $46 $47 $48 $63 $73 $16 (US$/oz AuEq) $10 $10 *Adjusted for net JV interest (30%) at Phoenix JV. Source: Company Filings, April 20
Slide 17: M&A Landscape
M&A Landscape M&A activity has picked up in the Abitibi with the acquisitions of Probe and Northern Superior (~100 km away from Desmaraisville Property) in 2025. Bonterra Probe Gold Northern Superior O3 Mining2 Osisko Mining3 Integra Gold Richmont Resources1 Announced 2025 2025 2024 2024 2017 2017 K
Slide 18: Strategic Land Package with Multi-Million Ounce Resource
Strategic Land Package with Multi-Million Ounce Resource in One of Canada’s Most Exciting Gold Camps Prolific Jurisdiction Active Exploration Validation by Major Proven Team Funded Exploration Quebec is a mining- ~88,143 m drilled to date Gold Fields, the world’s Proven success in C$30M in explorati
Slide 19: Appendix
Appendix 19
Slide 20: Case Study: Contango's Successful 30% JV with Kinross
Case Study: Contango’s Successful 30% JV with Kinross Contango Ore (Contango) holds a 30% non-operating interest in Name Manh Choh JV Phoenix JV its flagship Manh Choh gold mine in Alaska, operated by 70% owner Kinross Gold (Kinross). Operating Partner • The JV was formed in September 2020 when Kinr
Slide 21: Management & Directors
Management & Directors Senior Leadership Bonterra’s team has extensive experience across exploration, permitting, development, operations, project financing and capital markets. Read bios online. Cesar Gonzalez Pier-Elise Hebert Tremblay Interim CEO & Executive Chairman Chief Financial Officer Board
Slide 22: Embracing Sustainability for a Better Tomorrow
Embracing Sustainability for a Better Tomorrow Our Approach to ESG Guided by our mission and core values, we are committed to creating lasting Economic Environmental Social socio-economic benefits for all We are committed to investing in We are committed to protecting We are committed to being a sta
Slide 23: Drilling Matters
Drilling Matters Windfall Barry & Gladiator Year Ounces Meters Ounces Meters Osisko Mining (now Gold Fields) has proven that the more you drill the more you find in the Urban-Barry Camp. 2007 0 0 147,900 26,380 2010 0 0 781,450 53,606 • Over 559,218 m has been drilled at both Barry and Gladiator to
Slide 24: Abitibi Deposits Reveal Deep Expansion Potential
Abitibi Deposits Reveal Deep Expansion Potential Analogs of other gold deposits in the Abitibi Greenstone Belt demonstrate high potential for deep expansion at both Gladiator and Barry. Gladiator Barry Windfall1 Red Lake Mines1 La Ronde Complex1 Macassa Mine1 Hist. Production: None Hist. Productio
Slide 25: Deposit Overview: Barry
Deposit Overview: Barry Drilling has identified mineralization at depth, particularly to the southeast. Gold Fields is testing the depth extension at Barry. MRE Summary*: M&I 417K ozs Au @ 1.67 g/t Au (OP) Inferred 9K ozs Au @ 2.32 g/t Au (OP) M&I 457K ozs Au @ 3.47 g/t Au (UG) Inferred 962K ozs Au
Slide 26: Deposit Overview: Gladiator
Deposit Overview: Gladiator High potential for deep expansion. Gold Fields drilled ~5,600 m at North-East/Titan target in 2025. MRE Summary*: M&I 527K ozs Au @ 5.23 g/t Au Inferred 1,062K ozs Au @ 5.78 g/t Au * See our press release dated February 23, 2026, titled “Bonterra Reports Significant Miner
Slide 27: Deposit Overview: Bachelor-Moroy
Deposit Overview: Bachelor-Moroy 2026 MREs: 42% increase in M&I and 28% increase in Inferred. All Mineral Resources are located within 900 m of the Bachelor Mill Complex. Strategic opportunity to advance the restart of mining operations by leveraging already permitted infrastructure. Selective drill
Slide 28: Gladiator vs Windfall Drilling Comparison
Gladiator vs Windfall Drilling Comparison Drilling at Gladiator is only a Bonterra Resources 1 Gold Fields 2 fraction of what has been carried out at Windfall. Gladiator Windfall Resource as of February 2026 August 2022 Number of holes drilled* 553 4,834 Drilling* meters 256,794 1,852,861 M&I Resour
Slide 29: MREs Summary
MREs Summary Tonnage Grade Contained Metal Category (000 t) (g/t Au) (000 ozs Au) Open Pit Barry and Gladiator NI 43-101 MREs as of Measured 5,309 1.60 274 February 2026 1 (Notes on subsequent slides). Indicated 2,485 1.80 144 Measured + Indicated 7,794 1.67 417 Combined contained gold ounces increa
Slide 30: Barry and Gladiator: 2026 MREs Notes
Barry and Gladiator: 2026 MREs Notes Model Parameters 1. CIM (2014) definitions were followed for Mineral Resources. 2. Mineral Resources are presented undiluted and in situ and are considered to have reasonable prospects for eventual economic extraction. The Mineral Resources near surface are const
Slide 31: Bachelor and Moroy: 2026 MREs Notes
Bachelor and Moroy: 2026 MREs Notes Model Parameters 1. CIM (2014) definitions were followed for Mineral Resources. 2. Mineral Resources are presented undiluted and in situ and are considered to have reasonable prospects for eventual economic extraction. The underground Mineral Resources are constra
Slide 32: Bonterra Resources Inc.
Corporate Presentation Bonterra Resources Inc. info@btrgold.com +1 (819) 825-8678 282872 Sullivan Road, Suite No. 2 Val-d’Or, QC J9P 0B9 Canada TSX-V BTR OTCQX BONXF FSE 9BR2 BTRGOLD.COM 32
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