could be that of the mined product tonnage, some percentage is...

could be that of the mined product tonnage, some percentage is maybe screened off (likely higher silica bearing fines/dust) for upgrade, so less tonnes for export (if so, this is expected/normal), as well as stockpiling for future bauxite blending or security.

It was just a simple a production update release, fair enough, but what I like to see is reconciliation and include, bauxite grade/quality, price paid/received and indicative price yet to be received ahead latest sales plus operating cost so we can get some idea of margins and understanding this simple start up business - only need 4 key numbers, Metro must have them confidently calculated by now. if they don't provide in timely manner (I had expected by now) then they obviously don't want to disclose and can only assume below expectation, not saying they are just that is impossible to know but I don't like relying on hope and trust for too long. If not transparent and properly disclose 4 simple key operation numbers in Quarterly I will move my investment elsewhere.