File: Attachment Adex Press Release - No Material Change March 2 2026.pdf

ADEX MINING REPORTS NO MATERIAL CHANGE

Toronto, Ontario March 3, 2026 Adex Mining Inc. ("Adex" or the "Company") (TSX-V: ADE) confirms today, in response to an inquiry from the Canadian Investment Regulatory Organization, that management is unaware of any material change in the Company's operations that would account for the recent increase in market activity. The Company has no material information to report at this time.

ABOUT ADEX

Adex Mining Inc. is a Canadian junior mining company with an experienced management team. The Company has maintained stewardship over the Mount Pleasant Mine Property while evaluating strategic alternatives and ensuring regulatory compliance. The Mount Pleasant Mine Property is a multi-metal project that is host to promising tungsten-molybdenum and tin-indium- zinc mineralization. The common shares of Adex trade on the TSX Venture Exchange under the stock symbol "ADE".

FOR FURTHER INFORMATION, PLEASE CONTACT:

Linda Lam Kwan Chief Executive Officer Adex Mining Inc. 1-647-243-8452 Email: investorrelations@adexmining.com Website: www.adexmining.com

No securities commission or regulatory authority has approved or disapproved the contents of this press release. 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.

FORWARD-LOOKING STATEMENTS

Certain statements in this press release may constitute "forward-looking" statements which involve known and unknown risks, uncertainties and other factors which may cause actual results, performance or achievements of Adex, its subsidiary or the industry in which they operate to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. When used in this press release, the words "estimate", "believe", "anticipate", "intend", "expect", "plan", "may", "should", "will", the negative thereof or other variations thereon or comparable terminology are intended to identify forward-looking statements. Such statements reflect the current expectations of the management of Adex with respect to future events based on currently available information and are subject to risks and uncertainties that could cause actual results, performance or achievements to differ materially from those expressed or implied by those forward-looking 2

statements. These risks and uncertainties are detailed from time to time, including, without limitation, under the heading "Risk Factors", in reports filed by Adex with the Alberta, British Columbia, Ontario, New Brunswick and Nova Scotia Securities Commissions which are available at www.sedarplus.ca and to which readers of this press release are referred for additional information concerning Adex, its prospects and the risks and uncertainties relating to Adex and its prospects. New risk factors may arise from time to time and it is not possible for management to predict all of those risk factors or the extent to which any factor or combination of factors may cause actual results, performance and achievements of Adex to be materially different from those contained in forward-looking statements. Although the forward-looking statements contained in this press release are based upon what management believes to be reasonable assumptions, Adex cannot assure investors that actual results will be consistent with these forward-looking statements. Given these risks and uncertainties, investors should not place undue reliance on forward-looking statements as a prediction of actual results. The forward- looking information contained in this press release is current only as of the date of the press release. Adex does not undertake or assume any obligation to release publicly any revisions to these forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events, except as required by law.

File: '\\swfile\EmailIn\20260303 055136 Attachment Adex Press Release - No Material Change (March 2026).docx'

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ADEX MINING REPORTS NO MATERIAL CHANGE

Toronto, Ontario - March 3, 2026 - Adex Mining Inc. ("Adex" or the "Company") (TSX-V: ADE) confirms today, in response to an inquiry from the Canadian Investment Regulatory Organization, that management is unaware of any material change in the Company's operations that would account for the recent increase in market activity. The Company has no material information to report at this time.

ABOUT ADEX

Adex Mining Inc. is a Canadian junior mining company with an experienced management team. The Company has maintained stewardship over the Mount Pleasant Mine Property while evaluating strategic alternatives and ensuring regulatory compliance. The Mount Pleasant Mine Property is a multi-metal project that is host to promising tungsten-molybdenum and tin-indium-zinc mineralization. The common shares of Adex trade on the TSX Venture Exchange under the stock symbol "ADE".

FOR FURTHER INFORMATION, PLEASE CONTACT:

Linda Lam Kwan

Chief Executive Officer

Adex Mining Inc.

1-647-243-8452

Email: investorrelations@adexmining.com

Website: www.adexmining.com

No securities commission or regulatory authority has approved or disapproved the contents of this press release. 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.

FORWARD-LOOKING STATEMENTS

Certain statements in this press release may constitute "forward-looking" statements which involve known and unknown risks, uncertainties and other factors which may cause actual results, performance or achievements of Adex, its subsidiary or the industry in which they operate to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. When used in this press release, the words "estimate", "believe", "anticipate", "intend", "expect", "plan", "may", "should", "will", the negative thereof or other variations thereon or comparable terminology are intended to identify forward-looking statements. Such statements reflect the current expectations of the management of Adex with respect to future events based on currently available information and are subject to risks and uncertainties that could cause actual results, performance or achievements to differ materially from those expressed or implied by those forward-looking statements. These risks and uncertainties are detailed from time to time, including, without limitation, under the heading "Risk Factors", in reports filed by Adex with the Alberta, British Columbia, Ontario, New Brunswick and Nova Scotia Securities Commissions which are available at www.sedarplus.ca and to which readers of this press release are referred for additional information concerning Adex, its prospects and the risks and uncertainties relating to Adex and its prospects. New risk factors may arise from time to time and it is not possible for management to predict all of those risk factors or the extent to which any factor or combination of factors may cause actual results, performance and achievements of Adex to be materially different from those contained in forward-looking statements. Although the forward-looking statements contained in this press release are based upon what management believes to be reasonable assumptions, Adex cannot assure investors that actual results will be consistent with these forward-looking statements. Given these risks and uncertainties, investors should not place undue reliance on forward-looking statements as a prediction of actual results. The forward-looking information contained in this press release is current only as of the date of the press release. Adex does not undertake or assume any obligation to release publicly any revisions to these forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events, except as required by law.