MINERAL RESOURCES AND COAL RESERVE UPDATE - IP and IPE

Mineral Resources and Coal Reserve Update for Isaac Plains Mine and Isaac Plains East Mine

21st August 2020
Highlights
  • Mining depletion, and additional exploration activities and further assessment over the last 2 years has resulted in a change to the Mineral Resource estimates for:
         Isaac Plains mine with a 46 million tonne (Mt) total
         Coal Resource estimated from prospective open-cut
         and underground mining operations. Importantly,
         25 Mt are Measured Resources,16 Mt are Indicated
         Resources and 5 Mt remain as Inferred Resources
         Isaac Plains East mine with a 22 million tonne (Mt)
         total Coal Resource estimated from prospective
         open-cut and underground mining operations.
         The categorisation under the JORC Code is 10 Mt
         are Measured Resources, 8 Mt are Indicated
         Resources and 4 Mt remain as Inferred Resources
  • The Recoverable Coal (ROM) Reserve estimates for both Isaac Plains and Isaac Plains East open cut mines has been updated and now combine to total 11.3Mt, of which 9.3Mt is classified as Proved Reserves and 2.0 Mt is classified as Probable Reserves
  • The Recoverable Coal (ROM) Reserves for the Isaac Plains Underground Project remain as 12.9Mt, classified as Probable under the JORC Code
  • Marketable Coal Reserves at Isaac Plains and Isaac Plains East open cut mines now totals 8.5 Mt (8.0Mt is coking coal and 0.5Mt is thermal coal) and 9.4 Mt of Marketable Reserves are defined for the underground project (8.3 Mt coking coal and 1.1 Mt thermal coal)

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