The Dow Jones-UBS Cotton Subindex Total ReturnSM is a sub-index of the Dow Jones-UBS Commodity Index Total ReturnSM and is intended to reflect the returns that are potentially available through an unleveraged investment in the futures contracts on physical commodities comprising the index as well as the rate of interest that could be earned on cash collateral invested in specified Treasury Bills. The Dow Jones-UBS Cotton Subindex Total ReturnSM is a single-commodity sub-index currently consisting of one futures contract on the commodity of cotton, which is included in the Dow Jones-UBS Commodity Index Total ReturnSM.