Cerro Grande Mining Corporation announced the passing away of its director Mr. William Hill in Rockwood, Ontario on August 15, 2022 who loyally and devotedly served the Company as such for over 15 years. Effective August 26, 2022, the Company appointed Mr. Matthew S. Thomson as a director of the Company. Mr. Thomson is the son of the late David R. S. Thomson, a former director and founder of the Company, and is an insider of the Company by virtue of his ownership level in the Company's common shares, as previously reported.

Mr. Thomson resides in Santiago, Chile. He is very knowledgeable of the Company's Pimentón property through his involvement with Minera Tamidak Limitada which, as previously reported, has entered into a lease agreement with the Company enabling Minera Tamidak Limitada to carry out certain exploration and extraction activities for mineral substances limited to the existing tailings pond at the Company's Pimentón Project. Mr. Thomson intends to serve as a director until the next annual general meeting of the Company to be held in March 2023.