Folks. You have to breakdown the para and read them sentence by sentence. The "If not agreed" applies to the 3rd sentence only IMO.
* February to June 2019 to be based on the average October to December 2018 lithium carbonate pricing.
* July to September 2019 will be based on the average of May to June 2019 lithium carbonate pricing (referenced to the Argus Pricing Index).
* October to December 2019, the pricing formula will be referenced from both lithium carbonate and lithium hydroxide prices. If not agreed, the higher of US$880 per dmt or the floating price will apply.
* Price for 2020 to 2022 will be set by a formula with reference to market prices for comparable spodumene.