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Of course, you can never be 100%sure. I just say there is a high probability they will accomplish what they plan this year:

1) The company plans to build the DP plant this summer. They have a turn-key, fixed-price project including fine-tuning and staff training.
2) Subsequently, they plan to verify the processing of the resource. The DP does this in a way that is nearly identical to the factory setting. The results and customer response should be available by the end of the year. These results will IMO have a pretty significant influence on the SP.
3) The company filed a final EIA and they expect the result later this year. Since the response to the EIA notification showed no major problems, it is highly likely the company will be permitted during the H2 of 2021.

So there are at least 3 truly major milestones scheduled to be completed this year. I guess the SP will reflect their completion.