Buffalo Potash Files Annual Information Form and New Technical Report SASKATOON, Saskatchewan, Ma y 22, 2026 – Buffalo Potash Corporation (TSXV: BUFF) (OTCQB: BLPTF) (the "Company" or "Buffalo") announces that is has filed its Annual Information Form (“ AIF”) for

Buffalo Potash Files Annual Information Form and New

Technical Report

SASKATOON, Saskatchewan, Ma y 22, 2026 – Buffalo Potash Corporation (TSXV: BUFF) (OTCQB:

BLPTF) (the "Company" or "Buffalo") announces that is has filed its Annual Information Form (“ AIF”) for

the year ended December 31, 2025 , as well as a revised version of its technical report in respect of the

Disley Property entitled “NI 43 -101 Preliminary Economic Assessment (PEA) Technical Report on the

Disley Potash Project, Saskatchewan, Canada” prepared by Dr. Ryan Langdon, Ph.D, CGeol, Christopher

Jacobs, C.Eng., MIMMM and Richard Thompson, C.Eng., MIChemE of Micon Inter national Co Limited,

Jack Nagy, P.Eng of Nagy Process Consulting In c., Jared Galenzoski, P.Geo, FIMMM of Fides Strategic

Resource Management Ltd., Dr. Douglas F. Hambley, P.Eng., RM-SME of DFH Geoscience & Engineering,

LLC and Greg Vogelsang, P.Eng., P.Geo. of Earthview Environmental Engineering Ltd . (the “ New

Technical Report”) to supersede the Company’s technical report filed on April 27, 2026.The AIF and New

Technical Report have been filed on SEDAR+ and are available under the Company’s profile at

www.sedarplus.ca.

The Company has filed the New Technical Report to correct a typographical error in two tables in which

certain figures were stated in the incorrect quantum – expressed as thousands rather than the millions

indicated by the unit label. The error was limited to those tables and had no effect on any unde rlying

calculations, economic results, mineral resource estimates, production parameters, or conclusions of the

PEA. All other content of the New Technical Report remains unchanged. The Company notes that the

correct figures, expressed in millions of US dollars, were accurately reported in its news release dated April

27, 2026 announcing the results of the PEA.

About Buffalo Potash

Buffalo Potash is an emerging Saskatchewan -based potash developer pursuing a modular approach to

selective solution mining through its patented Horizontal Line-Drive (HLD) technology. Buffalo is advancing

the Disley Project – located next to several of the most prominent currently producing potash solution mines

in the world – with the objective of establishing capital -efficient, lower-impact potash production in one of

the world’s leading potash jurisdictions.

Contact

Steve Halabura | Chief Executive Officer & Director

Email: [email protected] | Phone: 1-306-220-7715

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policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.