File: '\\swfile\EmailIn\20260901 150625 Attachment 2026-09-01 Sennen - News Release - Director Change.docx'

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SENNEN POTASH CORPORATION

400 - 837 West Hastings Street

Vancouver, BC, V6C 3N6

SENNEN POTASH CORPORATION ANNOUNCES APPOINTMENT OF MCCORD TO THE BOARD

VANCOUVER, B.C., September 1, 2026 - Sennen Potash Corporation (NEX: SN.H) (the "Company" or "Sennen") announces the appointment of Cassidy McCord to the board of directors, following the resignation of Usama Chaudhry a as director and CFO. Mr. Torres will act as interim CFO replacing Chaudhry.

Ms. McCord is a business executive with experience spanning health care, medicinal cannabis, operations, marketing and corporate development. Since launching her consulting practice in 2018, she has worked with more than 50 organizations, from early stage start-ups to publicly traded companies with valuations exceeding $100-million.

The Company thanks Mr. Chaudhry for their efforts and wishes him well in his future endeavors.

On behalf of the Board of Directors,

SENNEN POTASH CORPORATION

Ryan Torres

CEO and Director

Email: sennenpotash@gmail.com

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.

This news release contains forward-looking information relating to the Company's growth and corporate strategy, and other statements that are not historical facts. Forward-looking information relates to management's future outlook and anticipated events or results, and may include statements or information regarding general market conditions; industry conditions; government regulation; unanticipated operating events of performance; the availability of capital on acceptable terms; stock market volatility the Company's ability to regain its classification as a Tier 1 or Tier 2 issuer on the TSX Venture Exchange; the Company's ability to source business opportunities; and the future plans or prospects of the Company. Although management of the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended.

Readers are cautioned not to place undue reliance on these forward-looking statements, which should not be construed as exhaustive and speak only as of the date of this press release. The Company disclaims any intention or obligation, except to the extent required by law, to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.