File: '\\swfile\EmailIn\20260604 150909 Attachment 260604 TBird NR.docx'

THUNDERBIRD MINERALS CORP.

620 - 1111 Melville Street

Vancouver, British Columbia

Canada, V6E 3V6

Telephone: 604 568 8807

Facsimile: 604 681 1864

www.thunderbirdminerals.ca

Thunderbird Announces Resignation of Chairman and Director

Vancouver, British Columbia, June 4, 2026 - Thunderbird Minerals Corp. (TSX-V: BIRD) (the "Company") announces that Mr. Nav Dhaliwal has resigned from his positions as Chairman and director of the Company, effective immediately.

The Board of Directors would like to thank Mr. Dhaliwal for his service to the Company and wishes him success in his future endeavors.

About Thunderbird Minerals Corp.

Thunderbird Minerals is a Canadian junior exploration company focused on high-quality precious and base metal projects in mining-friendly jurisdictions. With a strategic portfolio and a commitment to responsible exploration, Thunderbird aims to deliver shareholder value through discovery and innovation.

John Newell

President and Chief Executive Officer

For additional information, please visit Thunderbird's website at www.thunderbirdminerals.ca or contact John Newell by telephone (604) 568-8807 or by email at info@thunderbirdminerals.ca or john.newell@thunderbirdminerals.ca.

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.

File: Attachment 260604 TBird NR.pdf

THUNDERBIRD MINERALS CORP. 620 1111 Melville Street Vancouver, British Columbia Canada, V6E 3V6 Telephone: 604 568 8807 Facsimile: 604 681 1864 www.thunderbirdminerals.ca

Thunderbird Announces Resignation of Chairman and Director

Vancouver, British Columbia, June 4, 2026 Thunderbird Minerals Corp. (TSX-V: BIRD) (the "Company") announces that Mr. Nav Dhaliwal has resigned from his positions as Chairman and director of the Company, effective immediately.

The Board of Directors would like to thank Mr. Dhaliwal for his service to the Company and wishes him success in his future endeavors.

About Thunderbird Minerals Corp.

Thunderbird Minerals is a Canadian junior exploration company focused on high-quality precious and base metal projects in mining-friendly jurisdictions. With a strategic portfolio and a commitment to responsible exploration, Thunderbird aims to deliver shareholder value through discovery and innovation.

John Newell President and Chief Executive Officer

For additional information, please visit Thunderbird's website at www.thunderbirdminerals.ca or contact John Newell by telephone (604) 568-8807 or by email at info@thunderbirdminerals.ca or john.newell@thunderbirdminerals.ca.

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.