Rio Cristal Announces Company Name Change to Armor Minerals Inc.

May 11th, 2015

Vancouver, Canada - (May 11, 2015) Rio Cristal Resources Corporation (TSXV:RCZ) ("Rio Cristal" or the "Company") announces that the Company has changed its name to Armor Minerals Inc. effective immediately and will be trading under the new symbol "A" effective Tuesday May 12, 2015.

The change of name reflects the Company's new management and its intention to focus on mineral exploration and development.

For further information, please contact the Company via email: info[@]

About Armor Minerals Inc.

Armor Minerals Inc. is a Canadian company listed on the TSXV under the symbol A.

Neither 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.