Blackstone Minerals also confirms the Pre-Feasibility Study...

Blackstone Minerals also confirms the Pre-Feasibility Study (“PFS”) for the development of
a Downstream Refinery in Northern Vietnam (“Ta Khoa Refinery Project”, “TKR” or the
“Project”), will be released on 26July 2021.

The anticipated TKR PFS is in its final review stages and the Company islooking forward to
presenting its outcomes as part of its inaugural Blackstone Nickel Day. The Blackstone
Nickel Day is an opportunity for the wider investment community to be updated on the
Company’s progress across the different workstreams of the business:

2:30pm –3:00pm (WST) -Session 1

Scott Williamson, Managing Director, and Dr Stuart Owen, Head of Exploration,provide a
company update, including exploration progress and downstreambusiness
developments.

3:00pm –4:00pm -Session 2

Blackstone Mineral’s technical team gives an update on the Downstream PFS and project
delivery for the company’s flagship Ta Khoa Nickel-Copper-PGE Project in Vietnam.

4:00pm –4:30pm -Session 3

Nickel and Market Outlook -Blackstone Mineral’s Corporate DevelopmentTeamgives an
update on demand and supply trends driving the Company's strategy.

A link to register for the Blackstone Nickel Day Webinar is provided below.
https://webinars.theassay.com/blackstone-minerals-nickel-day-webinar