6 unchanged sentences
We are also exposed to price risk for alumina which is one of the largest components of our cost of goods sold.
−Removed: Much of the alumina we purchase is priced based on a published alumina index.
+Added: Certain of the alumina we purchase is priced based on a published alumina index.
As a result, our cost structure is exposed to market fluctuations and price volatility.
42 unchanged sentences
Fair Values and Sensitivity Analysis
−Removed: The following tables present the fair value of our derivative asset and liabilities as of June 30, 2020 and the effect on the fair value of a hypothetical ten percent (10%) adverse change in the market prices in effect at June 30, 2020.
+Added: The following tables present the fair value of our derivative asset and liabilities as of September 30, 2020 and the effect on the fair value of a hypothetical ten percent (10%) adverse change in the market prices in effect at September 30, 2020.
Our risk management activities do not include any trading or speculative transactions.
1 unchanged sentence
Commodity contracts (1)
−Removed: $ 34.6 $ 14.5
Foreign exchange contracts (2)
2 unchanged sentences
Commodity contracts (1)
−Removed: $ 15.3 $ 23.9
Foreign exchange contracts (2)
Total $ 5.7 $ 22.8
−Removed: (1) Commodity contracts reflect our outstanding LME forward financial sales contracts, MWP forward financial sales contracts, Hawesville L4 power price swaps, fixed for floating swaps, NYMEX Henry Hub natural gas price swaps, MISO Indiana Hub power price swaps, and Nord Pool power price swaps.
+Added: (1) Commodity contracts reflect our outstanding LME forward financial sales contracts, MWP forward financial sales contracts, Hawesville L4 power price swaps, fixed for floating swaps, and Nord Pool power price swaps.
(2) Foreign exchange contracts reflect our outstanding FX swaps.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.