Ann: June 2021 Quarterly Activities Report, page-56

Ah he was talking about those belated March adjustments being $5m to $7m, but they actually received more.
And the price per tonne overall came in a bit higher than US$535 too?

FWIW, harking again back to that April update ;
Al Harvey from JPMorgan asked Ken to clarify the quantum of customers that had been updated with new prices, and if any were still sticking with old agreements:
Answer was : [ref]

“…Al Harvey
Right. And maybe just back to the provisionally priced contracts.
What sort of proportion of sales are on these contracts?
And are all the contracts being renewed to these new terms? Or is there some that still have a bit longer to run?
And maybe just a bit of extra detail there.

Ken Brinsden
I extended the contracts now on that model. Also – so by far, the majority.
And let’s hope it becomes 100% over time, but more work to be done with some customers.”