File: '\\swfile\EmailIn\20260507 095503 Attachment 20260507 - 07 GPS Retains Senergy.docx'

GREAT PLAINS METALS CORP.

Contact: Investor Relations May 7, 2026

Phone (604) 684-2181 (No.2026-05-07)

GPS Retains Senergy Communications Capital

Vancouver, BC, Canada - Thursday, May 7, 2026 - Great Plains Metals Corp. ("GPS" or "the Company", TSX-V: GPS, Frankfurt Exchange: 8VC) is pleased to announce that it has retained the services of Senergy Communications Capital Inc. ("Senergy") on a one-month contract with option for renewal, starting May 27, 2026, to provide marketing and investor awareness services.

Senergy is an arm's-length marketing, advertising and shareholder relations firm based in Vancouver, B.C. Senergy will design and execute campaigns that include corporate branding, social media, and advertising initiatives. Under the terms of the agreement, the Company will pay Senergy $50,000 which includes a service fee of $10,000.

Aleem Fidai, a principal of Senergy, owns 75,000 shares of the Company and holds 25,000 warrants.

Senergy Communications Capital Inc

Contact: Aleem Fidai

Address: 1122 Mainland Street #228, Vancouver, BC V6B 5L1

Email: aleem@senergy.capital

Website: www.senergy.capital

Phone: (778) 772-6740

About Great Plains Metals Corp

GPS is an emerging Australia-focused copper-gold explorer. The strategy of GPS is to focus on drill-ready projects with a rapid discovery model in highly prospective geological addresses. The Company has a portfolio that consists of Yeoval Goodrich, located in the Lachlan Fold Belt; the Everton Project in Victoria; and an IOCG project in South Australia.

GREAT PLAINS METALS CORP.

For further information, please contact:

Peeyush Varshney

Phone: (604) 684-2181

www.greatplainsmetals.com

Cautionary Note Regarding Forward-Looking Statements

This news release contains certain statements that may be deemed "forward-looking statements." Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or realities may differ materially from those in forward looking statements. Forward looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by law, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

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 press release.