The PowerShares DB Agriculture Double Long Exchange Traded Note (Symbol: DAG), PowerShares DB Agriculture Long Exchange Traded Note (Symbol: AGF), PowerShares DB Agriculture Short Exchange Traded Note (Symbol: ADZ) and PowerShares DB Agriculture Double Short Exchange Traded Note (Symbol: AGA) (collectively, the "PowerShares DB Agriculture ETNs") are the first exchange-traded products that provide investors with a cost-effective and convenient way to take a short or leveraged view on the performance of the agriculture sector.