Ann: Strategy Briefing Day, page-70

why does POSCO need access to the GXY SDV tenements?

Investment in the establishment of demo plant has been decided recently as environmental accreditation has progressed smoothly, including environmental impact assessment. Construction of demo plant will begin in August this year,and operation will be started next year.We will decide on investment building commercial plant with an annual capacity of 25,000 tons in 1H 2021.
POSCO 2019 2Q Earnings Release - Q&A Script
2019-07-23

In Argentina, an environmental permit has been extended for a further two years at Sal de Vida, which is the standard period of permission. For clarity, this is the main permit for the operational phase and we have permission to start operations under this permit. Of course, there is a range of other more functional permits that are required, but there are no permitting holdbacks to that project at the moment.
Galaxy Resources 2019 Q3 Earnings Call
2019-10-24

To realize it to profits, the demo plant is currently being built and tested, and investment for commercialization should be decided in early 2021. Construction of commercial plant will start 1H 2020, and it will take 1.5 to 2 years until completed.
POSCO 2019 3Q Earnings Release - Q&A Script
2019-10-24

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Who has the permit to start operations?

POSCO would not achieve what it has stated it will if it continues to operate the way it has, by making deals with company that cannot do what they say they are going to do.

POSCO is currently discussing LOIs for long-term sales with multiple customers, and some of them have been signed up, as the company is able to supply 65,000 tons of lithium annually in the next few years.

PosLX was initially designed for working with Brine sources, not hard rock. POSCO went to Bolivia, Chile, Northern Argentina (LAC) then there was another project they got into and pulled out of just a week or so prior to the Northern Tenements Sale.

The extraction process will require large amounts of energy and steam. They have plenty of steam available at General Guemes and Galaxy has already told us of plans to have solar and batteries.

Below I share two two documents that might be of interest. One of which I understand is an internal POSCO newsletter that provides a bit more of a detailed explanation of the PosLX process, and the other is a document that probably most have seen.

I hope what I have shared helps.