

Saskatchewan Ministry of Environment Approval Represents Final Key Regulatory Approval Required to Complete Construction and Commence Operation of the IPM Saskatoon, Saskatchewan--(Newsfile Corp. - October 16, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce that it has received its approval to construct and operate (the "Approval") the Initial Production Module ("IPM") at its Disley Project (the "Disley Project") from the Saskatchewan Ministry of Environment ("MOE"). The Approval follows the MOE's ministerial determination on September 17, 2026, that the IPM is not a "development" requiring an Environmental Impact Assessment, and represents the final key regulatory approval required for the Company to complete construction and commence operation of the IPM.

Highlights 15-10 Source Well - located on the Initial Production Module ("IPM") pad - intersected 20.5m of net sylvinite grading 39.4% sylvite (KCl); Belle Plaine Member at 15-10 - the Member hosting the IPM's first solution mining plane - intersected 5.5m of net sylvinite grading 36.9% KCl; 2-14 Disposal Well - approximately 1,600m east of the IPM - intersected 16.2m of net sylvinite grading 32.6% KCl; Both wells were drilled as operating infrastructure for the IPM and cored with 100% recovery over approximately 108m each, adding two modern assayed drillholes to the Disley Project at no incremental drilling cost; and IPM development remains on budget and on schedule: drilling of all five wells are complete, completions and equipping are underway ahead of Phase 3 (brine circulation), and first production is targeted for Q1 2027. Saskatoon, Saskatchewan--(Newsfile Corp. - October 14, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce assay results from cores taken in the 15-10 well (the "Source Well") and the 2-14 well (the "Disposal Well") at the IPM on the Company's flagship Disley property in Saskatchewan (the "Disley Project").

Highlights Completed third and final horizontal well, concluding the drilling program at the Disley Initial Production Module; All five wells are now complete, comprising two vertical wells and three horizontal wells, and the full subsurface foundation for Buffalo's HLD mining method is in place as designed; Each of the three horizontal wells made contact with approximately 95% of the target clay seam, with packer systems installed along all three wells as planned; and Completions and equipping operations will commence shortly to connect all of the wells and prepare for well clean-up. Saskatoon, Saskatchewan--(Newsfile Corp. - September 25, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce that it has completed the third and final horizontal well (the "1D15-10 Well" or the "Injector Well") at the Initial Production Module ("IPM"), located at the Company's flagship Disley property in Saskatchewan (the "Disley Project").

Saskatchewan Ministry of Environment Determines Disley Initial Production Module is Not a "Development"; No Environmental Impact Assessment Required Saskatoon, Saskatchewan--(Newsfile Corp. - September 17, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo"), is pleased to announce that it has received a ministerial determination (the "Determination") from the Saskatchewan Ministry of Environment ("MOE") confirming that its Initial Production Module at its Disley Project (the "Project") does not meet the criteria of section 2(d) of the Environmental Assessment Act and is therefore not a "development" that is required to undergo an Environmental Impact Assessment ("EIA"). Mr. Steve Halabura, P.Geo.

Highlights Completed second of three horizontal wells as part of the second phase (Horizontal Line-Drive drilling) of development at the Disley Initial Production Module; Successfully installed packers for KCl-rich brine collection along the horizontal production well; Successfully made contact with approximately 95% of the target clay seam, confirming successful placement of the well; and Spudded third and final horizontal well as part of the second phase. Saskatoon, Saskatchewan--(Newsfile Corp. - September 8, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce that it has advanced the second phase (Horizontal Line-Drive drilling) of the buildout of the Initial Production Module ("IPM"), located at the Company's flagship Disley property in Saskatchewan (the "Disley Project").

Saskatoon, Saskatchewan--(Newsfile Corp. - September 1, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce its participation as a presenting company at the ArcStone Kingswood Growth Summit 2026, taking place on Wednesday, September 16, 2026 at the Sheraton Centre Toronto Hotel in Toronto, Ontario. The ArcStone Kingswood Growth Summit brings together a select group of investors, issuers, family offices, and capital markets professionals.

Highlights Completed first of three horizontal wells as part of the second phase (Horizontal Line-Drive drilling); Successfully installed packers for KCl-rich brine collection along the horizontal production well; Successfully made contact with approximately 95% of the target clay seam, confirming successful placement of the well; and Spudded second horizontal well as part of the second phase. Saskatoon, Saskatchewan--(Newsfile Corp. - August 26, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce that it has commenced the second phase (Horizontal Line-Drive drilling) of the buildout of the Initial Production Module ("IPM") located at the Company's flagship Disley property in Saskatchewan (the "Disley Project").

Highlights Successfully completed drilling the 2-14 vertical well and cored 108m through the potash beds with 100% recovery; Cased the 2-14 vertical well and is ready to serve as a disposal well for surplus brine; Phase 1 (source and disposal wells) of five-phase IPM development plan is now complete ahead of schedule and under budget; The 15-10 core has been sampled and submitted to the Saskatchewan Research Council to complete ICP assay for potash grade; and First horizontal well was spudded August 13, 2026, commencing Phase 2 (Horizontal Line-Drive drilling). Saskatoon, Saskatchewan--(Newsfile Corp. - August 18, 2026) - Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (FSE: VU5) (the "Company" or "Buffalo") is pleased to announce the completion of the second vertical well (the "2-14 Well" or the "Disposal Well") and the spudding of the first horizontal well (the "5D15-10 Well") at the Initial Production Module ("IPM") located at the Company's flagship Disley property in Saskatchewan (the "Disley Project").
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