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Timeline

2016 2017 2018 2019 2020 2021

Citadel JV Regional review & discovery Drilling ASX evaluation & Resource evaluation &
Resource
Resource
target generation
(Mtambo targets) AEM Survey EL Granted Heritage Survey Winu Camp build Ngapakarra discovery First Announcement studies drilling annaunced studies drilling

Summary Maiden

• Mid 2016; RTX commenced independent review of the northern Paterson orogen primarily
focussed on copper

• Geological interpretation & review of public data led to the selection of numerous target
areas, including the Mtambo targets. A limited number of smallish tenements were applied
for

• Two main target models were 17 Mile Hill style Cu-Au and Telfer style Au-Cu
• RTX tenement was granted and a late 2017 season drill programme drilled two RC holes in
December 2017 producing the Winu OGWI

• After camp, core farm and airstrip construction an intense campaign of diamond and RC
drilling commenced resulting in a “maiden resource” announcement in July 2020