Five of the ten concessions comprising the property (La Libertad, Nuevo San Anton, El Cipres, Ave De Gracia, and Dolores) are subject to 3% Net Smelter Return (NSR) royalties and a sixth concession (San Anton) is subject to two NSR royalties totaling 4%. 

The remaining 4 tenements (San Luis Rey, San Anton KM, San Anton KM Dos, and San Anton KM Tres) are not subject to royalties.