Alexander Mining plc is pleased to report that its MetaLeach Limited ("MetaLeach") subsidiary has received notification that its Mexico patent application for a Method for Extracting Zinc from Aqueous Ammoniacal Solutions has been granted. The patent, number 303330, has a standard term of twenty years from the effective date of 22 December 2009 (being the date of original filing of the PCT Application from which the Mexico patent is derived).