File: Attachment 2025-11-20 RT Minerals - News Release Announcing Board Change.pdf

Suite 1100 1199 Hastings St. , Vancouver, British Columbia , V6E 3T5, Canada w w w. r t m c o r p . c o m

RT MINERALS CORP. ANNOUNCES CHANGES TO THE BOARD

NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES

Vancouver, B.C. November 21, 2025 RT Minerals Corp. (TSXV: RTM) (OTC Pink: RTMFF) (the "Company" or "RTM") The Company would like to announce the appointment of Luke Madden to the board of directors following the resignation of Jia Qian.

Luke Madden brings a broad professional background spanning business, law, and asset management to the organization. Prior to his appointment, he held management roles with Mayan Construction and CRV Operations, where he oversaw a range of commercial and residential development and investment projects. He studied Business and Law at University College Dublin, gaining a strong foundation in commercial strategy, corporate governance, and regulatory compliance. Mr. Madden applies a rigorous, analytical approach to his leadership positions and is committed to advancing the company's objectives through disciplined management and informed decision-making.

The Company would like to thank Mr. Qian for his time on the board of directors and wish him well in his future endeavours.

For more information on the Company please visit the company's website at www.rtmcorp.com.

On behalf of the Board and for further information contact:

Alson Niu RT Minerals Corp. info@rtmcorp.com

Neither the TSX Venture Exchange nor its Regulation Service Provider (as the term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy of accuracy of this news release. Forward-Looking Statements: This news release contains certain forward-looking statements, which relate to future events or future performance and reflect management's current expectations and assumptions. Such forward-looking statements reflect management's current beliefs and are based on assumptions made by and information currently available to the Company. Readers are cautioned that these forward- looking statements are neither promises nor guarantees, and are subject to risks and uncertainties that may cause future results to differ materially from those expected including, but not limited to, market conditions, availability of financing, actual results of the Company's exploration and other activities, environmental risks, future metal prices, operating risks, accidents, labor issues, delays in obtaining governmental approvals and permits, and other risks in the mining industry. All the forward-looking statements made in this news release are qualified by these cautionary statements and those in our continuous disclosure filings available on SEDAR at www.sedar.com. These forward-looking statements are Suite 1100 1199 Hastings St. , Vancouver, British Columbia , V6E 3T5, Canada w w w. r t m c o r p . c o m

made as of the date hereof and the Company does not assume any obligation to update or revise them to reflect new events or circumstances save as required by applicable law.