| August 03, 2010 |
10-17 - Cornerstone announces management changes |
| July 29, 2010 |
10-16 - Cornerstone and Thundermin intersect 2.3% Cu over 18.0 m, including 4.2% Cu over 5.5 m, in deepest intersection to date at Little Deer |
| July 13, 2010 |
10-15 - Cornerstone and Thundermin extend option on the Little Deer copper deposit, Newfoundland |
| June 28, 2010 |
10-14 - Cornerstone Private Placement Completed |
| June 22, 2010 |
10-13 - Cornerstone provides exploration update on the El Strato gold property in Newfoundland |
| June 15, 2010 |
10-12 - Cornerstone arranges $1.2M Private Placement |
| June 11, 2010 |
10-11 - Cornerstone announces appointment to the Board of Directors |
| May 19, 2010 |
10-10 - Cornerstone options New Brunswick REE property |
| May 17, 2010 |
10-09 - Cornerstone reports significant progress on Ecuador permits |
| May 04, 2010 |
10-08 - Cornerstone options sediment-hosted stratiform copper projects in Newfoundland |
| April 29, 2010 |
10-07 - Cornerstone and Thundermin intersect 4.6% Cu over 5.9 metres, including 14.5% copper over 1.5 metres, within 19.6 metres of 2.1% copper in deep hole at Little Deer |
| April 13, 2010 |
10-06 - Cornerstone and Thundermin continue to intersect copper mineralization at Little Deer |
| March 30, 2010 |
10-05 - Cornerstone announces Phase II of Macará Strategic Alliance in Ecuador |
| March 18, 2010 |
10-04 - Cornerstone updates its exploration approval process in Ecuador |
| February 16, 2010 |
10-03 - Cornerstone options Labrador rare metals and REE properties |
| February 03, 2010 |
10-02 - Cornerstone and Thundermin announce a $1.5 million drilling program on the Little Deer copper property, Newfoundland |
| January 26, 2010 |
10-01 - Cornerstone completes Private Placement with Intrepid Mines |
| December 02, 2009 |
09-27 - Cornerstone Private Placement for $1,000,000 Completed |
| November 17, 2009 |
09-26 - Cornerstone engages Investor Relations consultant |
| November 12, 2009 |
09-25 - Cornerstone arranges $1 million Flow Through Financing |
| November 05, 2009 |
09-24 - Ecuador Mining Regulations signed into law |
| October 29, 2009 |
09-23 - Cornerstone and Intrepid Mines sign letter of intent for the Shyri gold-silver property, Ecuador |
| October 16, 2009 |
09-22 - Government of Ecuador confirms date of approval of Mining Regulations and authorization to resume exploration activities |
| October 14, 2009 |
09-21 - Cornerstone acquires new Lithium and Rare Metals properties |
| September 29, 2009 |
09-20 - Cornerstone acquires new Rare Metals and REE properties |
| September 15, 2009 |
09-19 - Cornerstone and Thundermin to resume drilling on Little Deer copper deposit |
| August 27, 2009 |
09-18 - Cornerstone and Thundermin intersect additional copper and zinc mineralization at Little Deer |
| August 21, 2009 |
09-17 - Cornerstone and Thundermin file Technical Report on Little Deer Mineral Resources |
| August 12, 2009 |
09-16 - Cornerstone completes sale of La Plata interest |
| July 16, 2009 |
09-15 - Cornerstone and Thundermin extend option on the Little Deer copper deposit, Newfoundland |
| July 07, 2009 |
09-14 - Cornerstone and Thundermin Announce NI 43-101 Mineral Resources for the Little Deer Copper Deposit, Newfoundland |
| June 16, 2009 |
09-13 - Cornerstone and Thundermin intersect 3.8% Cu over 9.1 metres on the Little Deer Deposit |
| June 04, 2009 |
09-12 - Cornerstone to resume work on Macará project, Ecuador |
| May 26, 2009 |
09-11 - Cornerstone update on recommencement of work in Ecuador |
| May 12, 2009 |
09-10 - Cornerstone and Thundermin continue to intersect high grade copper mineralization at Little Deer |
| May 08, 2009 |
09-09 - Cornerstone Revises Grants of Options |
| April 28, 2009 |
09-08 - Cornerstone signs letter of intent on sale of La Plata interest |
| April 16, 2009 |
09-07 - Cornerstone announces appointment to the Board of Directors |
| March 31, 2009 |
09-06 - Cornerstone provides update on the Burin gold-copper property, Newfoundland |
| March 05, 2009 |
09-05 - Coastport withdraws from the Shyri Project |
| March 03, 2009 |
09-04 - Cornerstone updates mining law in Ecuador |
| February 25, 2009 |
09-03 - Cornerstone and Thundermin provide update on the Little Deer copper property, Newfoundland |
| January 26, 2009 |
09-02 - Cornerstone provides update on Chaleur uranium property, New Brunswick |
| January 13, 2009 |
09-01 - New Mining Law Approved in Ecuador |
| November 26, 2008 |
08-29 - Cornerstone and Thundermin intersect 2.7% Cu over 46.6 m, including 4.7% Cu over 16.6 m on the Little Deer Property, Newfoundland |
| October 24, 2008 |
08-28 - Cornerstone updates timing of new mining law in Ecuador |
| September 30, 2008 |
08-27 - Ecuador approves new constitution, clears way for new mining law |
| July 25, 2008 |
08-26 - Cornerstone and Thundermin intersect massive sulphide mineralization assaying 2.2% Cu over 16.8 m, including 3.9% Cu over 5.9 m, on the Little Deer Joint Venture, Newfoundland |
| July 11, 2008 |
08-25 - Cornerstone announces personnel change |
| June 17, 2008 |
08-24 - Cornerstone and Thundermin report intersection of 2.2% copper over 74 metres including an interval of 6.5% Cu over 8.6 metres on the Little Deer Joint Venture, Newfoundland |
| June 11, 2008 |
08-23 - Cornerstone and Altius form alliance to explore for copper in the Labrador Trough |
| June 10, 2008 |
08-22 - Cornerstone Private Placement Completed |
| June 09, 2008 |
08-21 - Cornerstone and Thundermin intersect copper mineralization over 74 metres in a new sulphide zone on the Little Deer Joint Venture, Newfoundland |
| May 22, 2008 |
08-20 - Cornerstone adds claims in the Bay St. George evaporite basin |
| May 15, 2008 |
08-19 - Cornerstone and Thundermin Intersect 3.1% Copper over 7.2 metres on the Little Deer Joint Venture, Newfoundland |
| May 14, 2008 |
08-18 - Cornerstone arranges $3.0M Private Placement |
| May 07, 2008 |
08-17 - Cornerstone acquires new uranium property |
| April 30, 2008 |
08-16 - Cornerstone and Newmont announce force majeure in Ecuador |
| April 30, 2008 |
08-15 - Cornerstone and Coastport Announce Force Majeure in Ecuador |
| April 29, 2008 |
08-14 - Cornerstone acquires property with potash potential |
| April 25, 2008 |
08-13 - Cornerstone Participates in Industry - Canadian Government Meeting with Ecuador's President Correa |
| April 24, 2008 |
08-12 - Cornerstone announces letter of intent for Cape Ray and results of the AGM |
| April 21, 2008 |
08-11 - Cornerstone Evaluates Impact of Mining Mandate in Ecuador |
| April 09, 2008 |
08-10 - Cornerstone and Thundermin update the on-going Diamond Drilling Program at the Little Deer Copper Property, Springdale area, Newfoundland |
| April 02, 2008 |
08-09 - Colin McKenzie appointed President & CEO of Cornerstone |
| March 04, 2008 |
08-08 - Newmont Completes Private Placement in Cornerstone |
| March 03, 2008 |
08-07 - Geophysical surveys define drill targets at Cornerstone's Konrad Nickel project in Labrador. |
| March 02, 2008 |
08-06 - Cornerstone and Cash Minerals Announce 2008 Uranium Exploration Program at Aillik Property, Central Mineral Belt, Labrador |
| February 12, 2008 |
08-05 - Cornerstone and Newmont Sign Definitive Agreement on Ecuador Strategic Alliance |
| February 04, 2008 |
08-04 - John C. Crosbie resigns from Cornerstone's Board. Mr. Crosbie is the new Lieutenant Governor of Newfoundland & Labrador |
| January 28, 2008 |
08-03 - Cornerstone earns a 100% interest in Sierramin projects in Ecuador |
| January 25, 2008 |
08-02 - Terry Brace joins Cornerstone as VP Exploration; Mike Basha appointed Executive VP |
| January 24, 2008 |
08-01 - Cornerstone and Thundermin Commence 6,200 Metre Follow-Up Diamond Drilling Program on the Little Deer Copper Property, Newfoundland |
| December 11, 2007 |
07-25 - Cornerstone and Thundermin intersect 4.5% Cu over 8.75 m, including 7.5% Cu over 3.75 m, at the Little Deer copper deposit |
| November 02, 2007 |
07-24 - Cornerstone appoints Ian Slater as Director and makes changes to the Management and Boards of Cornerstone Ecuador SA and La Plata Minerales SA |
| October 31, 2007 |
07-23 - Thundermin and Cornerstone intersect 2.5% Cu over 5.5 m at the Little Deer deposit |
| October 19, 2007 |
07-22 - Cornerstone and Newmont Propose to Form a Strategic Exploration Alliance in Southern Ecuador |
| October 17, 2007 |
07-21 - Cornerstone Private Placement Completed |
| October 16, 2007 |
07-20 - Cornerstone provides update on the La Plata VMS project, Ecuador |
| September 17, 2007 |
07-18 - Cornerstone arranges $3.025M Private Placement |
| August 30, 2007 |
07-17 - Clarification of August 29, 2007 News Release |
| August 29, 2007 |
07-16 - Cornerstone partners with Phelps Dodge Corporation of Canada, Limited to explore for copper in New Brunswick |
| July 26, 2007 |
07-15 - Cornerstone announces 4.7% Zinc intercept in drilling by Mountain Lake Resources |
| July 10, 2007 |
07-14 - Cornerstone and Thundermin Commence Drill Program on the Little Deer Copper Deposit, Newfoundland |
