ORE RESERVES

Certification on MPSA  March 20 2020
Estimated Reserves – April 2019

Mineral Resources as of December 2017
Technical Report on Exploration Results, Mineral Resources of
Santo Tomas II, Padcal, Benguet — Part I – May 10, 2013

Technical Report on Exploration Results, Mineral Resources of
Santo Tomas II, Padcal, Benguet — Part II – May 10, 2013

Remaining Ore Reserve Estimation and Feasibility Study on Padcal Operations – April 30, 2013