September 6, 2017

Arizona Potash Project Milestones

2010-2011

  • Initial potash land package secured, including approximately 5,120 owned acres and over 21,000 acres under state exploration permits
  • Acquired 50 sections of potash mineral rights totaling approximately 31,000 acres
  • Secured mineral rights on 101 adjacent/contiguous private sections totaling approximately
  • 63,000 acres (in addition to the company’s 31,000 acres)
  • North Rim resource estimate/Tetra Tech Preliminary Economic Assessment completed
  • Completed phase I drilling –13 holes
  • Completed seismic program

2012

  • Completed phase II drilling program –10 holes
  • Updated North Rim resource estimate completed (NI 43-101 Resource Report)
  • Upgraded nearly 40% of the resource estimates from the “inferred” to the “measured and indicated” category
  • Tetra Tech completed Cost Feasibility Study for a 2.2 million ton per annum project

2013

  • Completed Pre-Feasibility Study
  • $825 million capital cost
  • Received Air Permit from ADEQ
  • Completed final phase III and IV infill drilling program -17 holes

2014-2016

  • Submitted Mineral Development Report to Arizona State Land Department
  • Received long term mineral leases from the Arizona State Land Department for 34 state land sections
  • Received an amended long term mineral lease from Arizona State Land Department with an additional 24 sections –58 state sections in total

2017-2018

  • Complete potash project Definitive Feasibility Study (DFS)
  • Secure Project Financing

Karlsson Group, Potash Investment, Arizona, United States