File: '\\swfile\EmailIn\20260205 123020 Attachment 2026 02 05 - GYA - NR - Nelson CFO Appointment - Final.docx'

LEGAL*51227792.1

Suite 250, 750 West Pender Street

Vancouver, British Columbia

V6C 2T7

GOLDSTRIKE APPOINTS NELSON LAMB AS CHIEF FINANCIAL OFFICER

February 05, 2026 - Vancouver, Canada - Guyana Goldstrike Inc. (the "Company" or "Goldstrike") (TSXV: GYA) is pleased to announce that Nelson Lamb has been appointed Chief Financial Officer of the Company. Mr. Lamb succeeds Peter Berdusco who served as Interim Chief Financial Officer.

Mr. Lamb is the President and Chief Executive Officer of Redhaven Consulting Inc., a boutique advisory firm providing fractional CFO services and financial reporting support to public and growth-oriented companies. He has served as a founder, Chief Financial Officer, and director of multiple TSX Venture Exchange and Canadian Securities Exchange listed mining companies.

As a founder and senior executive, Mr. Lamb has played a key role in numerous successful public equity financings, go-public transactions, and public offerings, supporting companies through critical growth and capital-markets milestones. He holds a Bachelor of Commerce degree from the University of Victoria and earned his CPA designation while articling at PricewaterhouseCoopers.

Contact Us

For further information, interested parties are encouraged to visit the Company's Sedar + profile, or contact the Company by email at operations@evolvemgmt.net, or by phone at 1.877.844.4661.

On behalf of the Board of Directors of

GUYANA GOLDSTRIKE INC.

Peter Berdusco

President/CEO

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 may contain certain "Forward-Looking Statements" within the meaning of the United States Private Securities Litigation Reform Act of 1995 and applicable Canadian securities laws. When used in this news release, the words "anticipate", "believe", "estimate", "expect", "target, "plan", "forecast", "may", "schedule" and other similar words or expressions identify forward-looking statements or information. These forward-looking statements or information may relate to the intended development of the Project, and other factors or information. Such statements represent the Company's current views with respect to future events and are necessarily based upon a number of assumptions and estimates that, while considered reasonable by the Company, are inherently subject to significant business, economic, competitive, political and social risks, contingencies and uncertainties. Many factors, both known and unknown, could cause results, performance, or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements. The Company does not intend, and does not assume any obligation, to update these forward-looking statements or information to reflect changes in assumptions or changes in circumstances or any other events affections such statements and information other than as required by applicable laws, rules and regulations.