O3 Mining CEO, Jose Vizquerra announces the results of O3 Mining’s PEA on its Marban project.

• Highlights include:

• * After-tax NPV (discount rate 5%) of C$423M

• * IRR of 25.2%

• * Initial CAPEX of $256M

• * Average annual gold production of 115,000 oz

• * Life of mine of 15.2 years

• * PEA base case gold price of US$1,450/oz