November 25, 2020
20-31 - Cornerstone Announces Increased Financing to up to $7.7 Million

November 24, 2020
20-30 - Cornerstone Announces up to $6.9 Million Financing

October 16, 2020
20-29 - Cornerstone Corrects False & Misleading Statements by SolGold

October 15, 2020
20-28 - Cornerstone Successful in Defence Against SolGold's Hostile Bid

September 30, 2020
20-27 - Pre-Feasibility Study Update - Alpala Project, Cascabel Concession, Ecuador

September 17, 2020
20-26 - Exploration Program Planned at Bella Maria Gold-Copper project (Ecuador)

September 11, 2020
20-25 - Clarification to Technical Disclosure and Intention to Amend Technical Report

September 11, 2020
20-24 - Drilling underway at Espiritu gold-silver target at Bramaderos Gold Project (Ecuador)

September 8, 2020
20-23 - Cornerstone to be exclusive sponsor of Kitco's coverage of Denver Gold Forum

August 27, 2020
20-22 - Cornerstone Update on the Miocene gold-copper Project, Chile

August 25, 2020
20-21 - Cornerstone announces results of August 25th shareholders' meeting

August 19, 2020
20-20 - Drilling to begin in September at Espiritu target at Bramaderos Gold Project (Ecuador)

July 22, 2020
20-19 - Cornerstone Intends to Requisition SolGold General Meeting to be held in late October 2020 to Replace Entire SolGold Board

July 15, 2020
20-18 - Cornerstone to Requisition SolGold General Meeting to Replace Entire SolGold Board

July 14, 2020
20-17 - Cornerstone Board Formally Rejects Hostile Bid by SolGold for the Second Time

July 13, 2020
20-16 - 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

June 30, 2020
Cornerstone Recommends Shareholders Take No Action in Response to Hostile Takeover Bid by SolGold

June 26, 2020
20-14 - Cornerstone Provides Update on Annual Meeting

May 22, 2020
20-13 - Technical Report filed for Alpala Mineral Resource Estimate # 3

May 11, 2020
20-12 - Field work to resume at Bramaderos Au Cu Project, Ecuador

April 29, 2020
20-11 - Further Metallurgical Test Work Continues to Add Improvements and Modeled Revenue Increases at Alpala

April 8, 2020
20-10 - Bramaderos Au Cu Project, Ecuador -- High-grade surface samples at Espiritu epithermal gold-silver target

April 7, 2020
20-09 - Alpala Mineral Resource Estimate # 3 delivers significant tonnage conversion to Measured Category

March 26, 2020
20-08 - Bramaderos Au Cu Project, Ecuador -- Exploration breakthrough leads to identification of numerous higher grade gold-copper porphyry targets

March 25, 2020
20-07 - Temporary suspension of activities at Cascabel and other Cornerstone Projects due to Coronavirus Precautions

March 11, 2020
20-06 - Cascabel (Alpala Deposit) Update

February 27, 2020
20-05 - High potential Porphyry Cu-Au-Mo Targets Discovered at Espejo and Rio Magdalena Projects within the ENAMI EP strategic exploration alliance in NW Ecuador

February 25, 2020
20-04 - Bramaderos Au Cu Project, Ecuador - Latest assays combined with new 3D magnetics point to clusters of higher-grade zones

January 22, 2020
20-03 - Ten priority epithermal gold targets identified for follow-up at Bramaderos - Rock chip samples of up to 11g/t gold highlight the prospectivity

January 21, 2020
20-02 - Bramaderos Main assays extend strike length of mineralization to 650m

January 7, 2020
20-01 - Bramaderos Farm-in Terms Amended

December 16, 2019
19-38 - Cornerstone Closes Debt Settlement

December 9, 2019
19-37 - Cornerstone to Settle Outstanding Indebtedness

December 3, 2019
19-36 - Bramaderos Update - Latest Limon assays indicate drilling is closing in on centre of gold-copper porphyry

November 22, 2019
19-35 - Update on Investment for Accounting Purposes in Cascabel

November 20, 2019
19-34 - Cornerstone Files Amended Technical Report for Cascabel (Alpala Deposit) Preliminary Economic Assessment

October 29, 2019
19-33 - Drilling continues at the Limon and Bramaderos Main gold-copper porphyry prospects

October 28, 2019
19-32 - Cascabel Copper Gold and Silver Recovery Improvements Drive Modeled Revenue Increases

October 15, 2019
19-30 - Bramaderos Drilling Update - Drilling at Limon target suggests major porphyry source nearby

August 28, 2019
19-29 - Sunstone earns 51% ownership in the Bramaderos gold-copper project in Ecuador

August 27, 2019
19-28 - Updated exploration model indicates discovery potential at Bramaderos

August 26, 2019
19-27 - Drilling at Bramaderos Main returns strong results of 55.8m at 0.74g/t gold and 0.15% copper in outcropping porphyry gold-copper system

August 20, 2019
19-26 - Bramaderos Main drilling results define areas of higher-grade gold and copper within large porphyry system - Further drilling will aim to extend these higher-grade zones

August 6, 2019
19-25 - Cornerstone Grants Stock Options

August 6, 2019
19-24 - Bramaderos Exploration Update -- Farm-in Partner Sunstone to ramp up exploration with 2 rigs drilling at West Zone gold prospect and Limon gold-copper porphyry prospect

July 19, 2019
19-23 - Cascabel Exploration Update - Pre-Feasibility Work Program & Alpala Drilling Campaign

July 18, 2019
19-22 - Bramaderos Exploration Update -- Strong assays received for upper portion of drill hole BMDD001 from the Bramaderos Main gold-copper prospect

July 11, 2019
19-21 - CORNERSTONE ANNOUNCES EFFECTIVE DATE FOR SHARE CONSOLIDATION

July 2, 2019
19-20 - Bramaderos Exploration Update -- Assays from Limon drill hole 2 indicate proximity to the core of a porphyry system - Bramaderos Main drill hole 1 completed at 670m and hole 2 in progress

June 28, 2019
19-19 - Cornerstone Files Technical Report for Cascabel Preliminary Economic Assessment

June 27, 2019
19-18 - Cornerstone Announces Results of June 25th Shareholders' Meeting

June 20, 2019
19-17 - Cornerstone Reports on Decision of Ecuador Constitutional Court

June 6, 2019
19-16 - Cornerstone Reports on Hearing of Anti-Mining Referendum Oral Arguments at Constitutional Court

May 30, 2019
19-15 - Cornerstone Comments on Share Price Activity

May 30, 2019
19-14 - Bramaderos Exploration Update -- Drilling intersects extensive mineralized porphyry system at Limon Target

May 29, 2019
19-13 - CORNERSTONE PROPOSES SHARE CONSOLIDATION

May 20, 2019
19-12 - CORNERSTONE ANNOUNCES EXTREMELY POSITIVE PEA RESULTS FOR CASCABEL PROJECT

April 22, 2019
19-11 - Cornerstone and Newcrest sign definitive Option and Farm-in Agreement for the Caña Brava gold-copper Project in Ecuador

April 18, 2019
19-10 - Bramaderos Exploration Update -- Drilling at Limon target underway

April 10, 2019
19-09 - Cascabel Exploration Update -- Alpala 2019 Drilling Campaign and Update on Investment in ENSA

April 8, 2019
19-08 - Cornerstone announces issuance of Bramaderos environmental license - drilling to commence shortly

March 14, 2019
19-07 - Cornerstone announces approval of Bramaderos EIA -- Drill Rig to be mobilized to site immediately

March 8, 2019
19-06 - Cornerstone Board Rejects Hostile Bid Proposal by SolGold

February 19, 2019
19-05 - Cornerstone and Newcrest sign Option and Farm-in Heads of Agreement for the Caña Brava gold-copper Project in Ecuador

February 8, 2019
19-04 - Cornerstone Responds to Second SolGold Announcement

January 31, 2019
19-03 - Cornerstone Responds to SolGold Announcement

January 11, 2019
19-02 - Cornerstone Adopts Shareholder Rights Plan

January 3, 2019
19-01 - Cornerstone files Technical Report for Updated Alpala Mineral Resource Estimate

December 31, 2018
18-34 - Cornerstone announces new CFO

December 13, 2018
18-33 - Cornerstone Closes Debt Settlement

December 11, 2018
18-32 - Cornerstone to Settle Outstanding Indebtedness

December 10, 2018
18-31 - Cornerstone and Newcrest sign Option and Farm-in Agreement for the Miocene gold-copper Project in Chile

November 20, 2018
18-30 - Alpala Mineral Resource Estimate Update - Indicated Resource of 2.1 Bt @ 0.6% CuEq (8.4 Mt Cu, 19.4 Moz Au) including 400 Mt @1.49% CuEq (3.6 Mt Cu, 11.9 Moz Au)

November 13, 2018
18-29 - Cascabel Exploration Update -- Alpala Deposit Growing in Size and Quality

October 5, 2018
18-28 - Cascabel Exploration Update -- Alpala Mineral Resource update expected in December 2018

September 13, 2018
18-27 - Cornerstone Announces Signing of Contracts for the Completion of the Airborne Geophysical Survey Started Last Year on the ENAMI-Cornerstone JV Properties in North West Ecuador, and Option Grants

September 5, 2018
18-26 - Cornerstone Decides not to Proceed with Plan of Arrangement

August 20, 2018
18-25 - Cascabel Exploration Update - Over 100km of Additional Drilling Since Maiden Mineral Resource Estimate to Provide Stronger Resource Base at Alpala

August 13, 2018
18-24 - Cascabel Exploration Update - Exceptional Recent Drilling Results at Alpala Reveal a Larger, More Cohesive High Grade Core

August 1, 2018
18-23 - Cornerstone provides update on Plan of Arrangement

July 16, 2018
18-22 - New Ecuadorian Government policy announced that could pave way for drilling to begin earlier at Bramaderos project in Ecuador

July 13, 2018
18-21 - Cascabel Exploration Update - Drilling results promise further growth at Alpala - Aguiñaga Hole 6 intersects strong mineralization 30m below surface

June 27, 2018
18-20 - Cascabel Exploration Update - Alpala Deposit Growing with Extensions to Higher Grade Core Zones as Drilling Progresses Beyond 120,000m Target

June 6, 2018
18-19 - Cascabel Exploration Update - Continued Growth at Alpala and Aguiñaga

May 29, 2018
18-18 - Limon target enhanced trench results extended to 97.6m at 0.71 g/t gold and 0.23 % copper, at Bramaderos project in Ecuador

May 9, 2018
18-17 - Longitudinal trench at Bramaderos Main prospect in Ecuador delivers 615m at 0.52g/t gold and 0.11% copper

April 30, 2018
18-16 - Cornerstone announces 36m at 0.9g/t gold and 0.4% copper from initial trenching at Limon Prospect, Bramaderos Gold-Copper Project in Ecuador

April 17, 2018
18-15 - Cascabel Exploration Update - Further High-Grade Extensions at Alpala Cu-Au Porphyry Deposit - Aguinaga Drilling Reveals Potential for Second Porphyry Deposit at Cascabel

March 26, 2018
18-14 - Cascabel Exploration Update - Exciting Mineralization Intersected at Aguinaga - Alpala Deposit Extends Closer to Surface - Alpala Northwest Growing

March 5, 2018
18-13 - Large Drilling Targets Identified by Magnetics at the Bramaderos Gold-Copper Project in Ecuador

March 2, 2018
18-12 - Cornerstone Announces Completion of $8.2 Million Financing

February 20, 2018
18-11 - New heli-magnetics and soil sampling identify additional exploration targets at Bramaderos project in Ecuador

February 20, 2018
18-10 - Cascabel Exploration Update - Alpala NW Hole 37 Indicates Major System Extensions Northwest and North to Trivinio

February 16, 2018
18-09 - Cornerstone files technical report on the Maiden Mineral Resource Estimate for the Alpala Deposit, Ecuador

February 14, 2018
18-08 - Cascabel Exploration Update - Aguinaga Drilling to Commence in March

February 1, 2018
18-07 - More Strong Trenching Results from Outcropping Porphyry Gold-Copper System at Bramaderos Main Target, Ecuador

January 29, 2018
18-06 - Cornerstone Announces Increased Financing to $8.2 Million

January 26, 2018
18-05 - Cascabel Exploration Update - Cascabel Drilling Effort Focusing on Alpala High Grade Expansion

January 17, 2018
18-04 - Cornerstone Obtains Final Order for Spinoff of Cornerstone Exploration Inc.

January 11, 2018
18-03 - Cornerstone Announces $5.2 Million Financing

January 11, 2018
18-02 - Completion of detailed helimagnetic survey marks start of aggressive 2018 exploration program at Bramaderos gold-copper project in Ecuador

January 3, 2018
18-01 - Alpala (Cascabel) Maiden Mineral Resource Estimate - 1.08 Bt @ 0.68% CuEq of 430Mt Indicated @ 0.8% CuEq (2.3 Mt Cu, 6.0Moz Au) and 650Mt Inferred @ 0.6% CuEq (2.9 Mt Cu, 6.3 Moz Au)

December 22, 2017
17-49 - Cascabel Exploration Update - Assay results show continued growth along the Alpala trend. Cascabel drilling fleet expands to 12 diamond drill rigs - Maiden Mineral Resource Estimate nearing completion

December 19, 2017
17-48 - Cornerstone announces results of Trenching over Outcropping Porphyry Gold-Copper System at Bramaderos Main Target, southern Ecuador -- Results include 51.1m at 0.81g/t Gold and 0.18% Copper (1.11 g/t AuEq)

December 14, 2017
17-47 - Cornerstone Securityholders Approve Spinoff of Cornerstone Exploration Inc.

December 14, 2017
17-46 - Bramaderos Project Update - Drilling Target Definition and Permitting

December 5, 2017
17-45 - Cornerstone announces multiple large porphyry gold-copper drilling targets defined by soil sampling at Bramaderos Project, southern Ecuador

December 4, 2017
17-44 - Cornerstone Announces Start of Airborne Geophysical Survey on the ENAMI-Cornerstone JV Properties in North West Ecuador

November 27, 2017
17-43 - Cascabel Exploration Update - Alpala Maiden Mineral Resource Estimate on track for completion late December

November 24, 2017
17-42 - Cascabel Exploration Update - Cascabel drilling fleet grows; Alpala Central still open in multiple directions; Alpala Northwest expansion continues; Alpala East showing promise

November 16, 2017
17-41 - Cornerstone Files Circular for Spin-Off

November 8, 2017
17-40 - Cornerstone samples 28m @ 3.9g/t gold, including 15.6m @ 6.1g/t gold at West Zone target, Bramaderos Project, southern Ecuador

November 1, 2017
17-39 - Cascabel Exploration Update - Intersections from Hole 26-D1 and Hole 28 extend high grade mineralization outside of previous boundary of the deposits

October 24, 2017
17-38 - Cornerstone Provides Market Update

October 18, 2017
17-37 - Soil sampling at Limon porphyry gold-copper target defines two large anomalies, Bramaderos Project, Ecuador

October 17, 2017
17-36 - Cornerstone announces Bramaderos property (Ecuador) West Zone trench assays of 8.9m at 6.1g/t gold

October 11, 2017
17-35 - Cornerstone Update on Circular for Spin-Off

October 6, 2017
17-34 - Cascabel Exploration Update - Alpala copper-gold deposit continues to grow with assay results from Holes 23R-D1 and 24-D1R. Rigs 6 and 7 arrive at Cascabel.

September 25, 2017
17-33 - Cornerstone announces Bramaderos property trench assays of 22 m at 4.8 g/t gold

August 31, 2017
17-32 - Cascabel Exploration Update - Alpala copper-gold deposit showing rapid growth with expanding drill fleet -- Hole 26 intersects 810m1 grading 0.72% copper equivalent

August 29, 2017
17-31 - Early work at Bramaderos Cu Au Project Delivering Encouraging Results at the Three Key Target Areas

August 24, 2017
17-30 - Cornerstone Provides Update on Spin-off - Plan to Maximize Shareholder Value on Schedule

August 16, 2017
17-29 - Cornerstone Closes Balance of Previously Announced Share Exchange for Shares in SolGold plc

July 29, 2017
17-21 - Cascabel Hole 23R Assay Results Reveal Extension of High Grade Zone at Alpala Target

July 26, 2017
17-28 - Cascabel Exploration Update: Alpala Southeast growing with Hole 24-D1R - Alpala Northwest confirmed by Hole 26 - More drill rigs for Alpala expansion

July 18, 2017
17-27 - Results from Bramaderos Project Highlight Potential for Significant Gold-Copper Discoveries

July 14, 2017
17-26 - Cornerstone Enters into Lock Up Agreement

July 13, 2017
17-25 - Cornerstone To Spin Off Non-Cascabel Assets and to Re-Name as Cascabel Gold & Copper Inc.; Greg Chamandy to join Board as Chairman - Management Highly Committed to Maximizing Shareholder Value

July 12, 2017
17-24 - Cornerstone closes share exchange

July 5, 2017
17-23 - Cascabel Update

July 4, 2017
17-22 - Cornerstone to Acquire Additional Shares in SolGold plc

June 27, 2017
17-20 - Cornerstone closes share exchange

June 23, 2017
17-19 - Cascabel Hole 24 & 25 Assay Results

June 21, 2017
17-18 - Cascabel Exploration Update - Ground Magnetics Survey Results and Future Survey Plans

June 19, 2017
17-17 - Cornerstone to acquire shares of SolGold plc

June 13, 2017
17-16 - Cascabel Exploration Update - Drilling program to expand to Alpala Northwest, Aguinaga, and Tandayama-America

June 6, 2017
17-15 - Numerous Targets Identified at Bramaderos Gold-Copper project in Ecuador - Outcropping mineralization evident

May 17, 2017
17-14 - Cornerstone completes Miocene (Chile) property earn in

May 9, 2017
17-13 - Cornerstone awarded Tioloma concession in Ecuador

May 2, 2017
17-12 - Cascabel Exploration Update -- Rig 4 mobilization to site -- IP survey to begin

April 21, 2017
17-11 - Cascabel Exploration Update -- Hole 21 at Hematite Hill assay results of 844.0m @ 0.73 % copper and 0.43 g/t gold from 688.0m confirm 150m strike-extension at Alpala

April 13, 2017
17-10 - Cascabel Exploration Update

April 11, 2017
17-09 - Cascabel Exploration Update -- Hole 22 extends the Alpala Central high grade core 200m shallower

April 10, 2017
17-08 - Cornerstone and Avalon Minerals sign binding letter of intent for Bramaderos copper-gold concession in southern Ecuador

April 4, 2017
17-07 - Cascabel Exploration Update - Holes 19 to 25

March 6, 2017
17-06 - ENAMI and Cornerstone awarded new concessions near Cascabel

February 27, 2017
17-05 - Cascabel Exploration Update - Hole 21 Extends Alpala Strike by 200m to the Southeast

February 14, 2017
17-04 - Cascabel Exploration Update Hole 19 assays - 1132 metres (true width 500 m) grading 0.50% Cu and 0.33% Au from 246 metres

February 2, 2017
17-03 - Cascabel Exploration Update - Drill hole 18 partial assay results return 664m grading 0.70 % Copper, and 0.77 g/t Gold from 904m within broader mineralized halo of 1204m grading 0.46 % Cu and 0.47 g/t Au from 466m at the growing Alpala deposit.

January 5, 2017
17-02 - Cornerstone awarded Bramaderos concession

January 4, 2017
17-01 - Cascabel Exploration Update Holes 18, 19 and 20R

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