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Sep 15, 2020 01:42PM Clarification to Technical Disclosure and Intention to Amend Technical Report
Sep 11, 2020 08:00AM Drilling underway at Espiritu gold-silver target at Bramaderos Gold Project (Ecuador)
Sep 8, 2020 08:00AM Cornerstone to be exclusive sponsor of Kitco’s coverage of Denver Gold Forum
Aug 27, 2020 08:00AM Cornerstone Update on the Miocene gold-copper Project, Chile
Aug 25, 2020 05:15PM Cornerstone announces results of August 25ᵗʰ shareholders’ meeting
Aug 19, 2020 08:00AM Drilling to begin in September at Espiritu target at Bramaderos Gold Project (Ecuador)
Jul 22, 2020 07:00AM Cornerstone Intends to Requisition SolGold General Meeting to be held in late October 2020 to Replace Entire SolGold Board
Jul 15, 2020 07:00AM Cornerstone to Requisition SolGold General Meeting to Replace Entire SolGold Board
Jul 14, 2020 07:16PM Cornerstone Board Formally Rejects Hostile Bid by SolGold for the Second Time
Jul 13, 2020 08:00AM Espiritu trench at Bramaderos Au-Cu Project (Ecuador) exposes gold-silver polymetallic veins intersecting 4m at 415g/t silver, 0.9g/t gold, 6.9% zinc and 6.0% lead
Jun 30, 2020 04:30PM Cornerstone Recommends Shareholders Take No Action in Response to Hostile Takeover Bid by SolGold
Jun 26, 2020 06:01PM Cornerstone Provides Update on Annual Meeting
May 22, 2020 01:52PM Technical Report filed for Alpala Mineral Resource Estimate # 3
May 11, 2020 11:38AM Field work to resume at Bramaderos Au Cu Project, Ecuador
Apr 29, 2020 08:00AM Further Metallurgical Test Work Continues to Add Improvements and Modeled Revenue Increases at Alpala 
Apr 8, 2020 08:00AM Bramaderos Au Cu Project, Ecuador – High-grade surface samples at Espiritu epithermal gold-silver target
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