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* denotes a Personal Law Corporation

TUPPER JONSSON & YEADON

BARRISTERS & SOLICITORS

An Association of Lawyers and law corporations

CARL R. JONSSON* LEE S. TUPPER* 1710 - 1177 West hastings street

GLENN R. YEADON* Vancouver, b.c., canada

JEFFREY T. K. FRASER* V6E 2L3

Tel: (604) 683-9262 Local 118

Direct Line: (604) 640-6355

Fax: (604) 681-0139

Email yeadon@securitieslaw.bc.ca

REPLY ATTENTION OF: GLENN R. YEADON

OUR FILE: 46510

October 8, 2025 BY EMAIL

Canada Stockwatch

Vancouver, B.C.

By Email: to news@stockwatch.com

Market News Publishing, Inc.

Vancouver, B.C.

By Email: to news@baystreet.com

Dear Sirs:

RE: BONANZA MINING CORPORATION

We are the solicitors for the above-mentioned company, and are enclosing a copy of its News Release of even date, which we would ask that you disseminate pursuant to the TSX Venture Exchange's requirements, as well as for distribution in the normal fashion. (Please note that we will be handling the SEDAR+ filing of this News Release.)

Yours very truly,

TUPPER JONSSON & YEADON

"Glenn R. Yeadon"

Glenn R. Yeadon

GRY/ss

Enclosure

c: Bonanza Mining Corporation - via email to delucrezia@shaw.ca

Attention: Alfredo De Lucrezia

Chris Graf (by email) to cgraf@spectrummining.com

Drew Burgess (by email) to asburg100@gmail.com

TSX Venture Exchange - via SEDAR+

British Columbia Securities Commission - via SEDAR+

Alberta Securities Commission - via SEDAR+

File: '\\swfile\EmailIn\20251008 105459 Attachment bonanza OCT 8 blank 2025 nr v2.docx'

-2-

Bonanza Mining Corporation

Suite 1710 - 1177 West Hastings Street

Vancouver, B.C.

V6E 2L3

Trading Symbol: TSX-V: BNZ Telephone: 604-619-0225 Email: asburg100@gmail.

Bonanza Mining Corporation Provides Corporate Update

October 8, 2025 - Vancouver, British Columbia: Bonanza Mining Corporation ("Bonanza" or the "Company") (TSX-V: BNZ) announces that Dayton Marks has resigned as a Director. The Company wishes to thank Mr. Marks for his services to the Company over the past number of years, and wishes him well in his future endeavours.

The individuals comprising the Company's current Board of Directors are as follows:

Alfredo De Lucrezia, of North Vancouver, B.C.

Andrew Burgess, of Calgary, Alberta

Charles Greig, of Penticton, B.C.

Christopher Graf, of Wardner, B.C.

John Pallot, of New Westminster, B.C.

For further information, please contact:

Bonanza Mining Corporation

Suite 1710 - 1177 West Hastings Street

Vancouver, B.C. V6E 2L3

Attention: Alfredo De Lucrezia, President and Director

Tel: 604-619-0225

Email: delucrezia@shaw.ca

or

Drew Burgess, CEO and Director

Tel: 403-383-8254

Email: asburg100@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 news release.