Arena Pharmaceuticals, Inc. (ARNA)

[The Other Guy]

I found this in the 10-Q:

In addition, we are eligible to receive up to an aggregate of $1.19 billion in one-time purchase price adjustments and other payments based on Eisai’s annual net sales of BELVIQ in all of the territories under our agreement on an aggregate basis, with the first and last amounts payable with annual net sales of $250.0 million and $2.5 billion, respectively. Of these payments, Eisai will pay us a total of $330.0 million for annual net sales of up to $1.0 billion.

At what pricepoints do the payments (and how much for each) are the tiered payments scheduled? I see $250 Million is the first tier, but what amount gets paid?