Ms. Michelle DeCecco reports

MONUMENTAL MINERALS ANNOUNCES NAME CHANGE TO MONUMENTAL ENERGY CORP.

Monumental Minerals Corp. will change its name from Monumental Minerals to Monumental Energy Corp. The name change will become effective on Tuesday, Nov. 21, 2023, and, at the opening of the market on Nov. 21, 2023, the company's common shares will trade on the TSX Venture Exchange under the new name. In connection with the name change, the company's trading symbol will be changed to MNRG.

The Cusip number assigned to the company's common shares under its new name will be 61534D108. There is no consolidation of the company's share capital in connection with the name change and, as a result, certificates representing common shares of the company will not be affected by the name change and shareholders will not be required to exchange their shares or take any other action. Shareholders holding share certificates of the company can request a replacement certificate; however, new certificates are not required and will not be automatically issued.

About Monumental Minerals Corp.

Monumental Minerals is a mineral exploration company focused on the acquisition, exploration and development of mineral resource properties in the critical and electric metals sector. The company's flagship asset is the Jemi heavy rare earth element project located in Coahuila, Mexico, near the Texas, United States, border which the company has an option to acquire 100 per cent of the 3,650-hectare project. The company has an option to acquire a 75-per-cent interest and title to the Laguna cesium-lithium brine project located in Chile and a 50.01-per-cent interest in the Salar De Turi lithium project in Chile.

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