X0101 EFFECT 33 LIVE 2008-05-06 13:00:00

S-1

0001371571 PowerShares DB US Dollar Index Trust 333-150588 0001383148 DB US DOLLAR INDEX BEARISH MASTER FUND 333-150588-05 0001383151 PowerShares DB US Dollar Index Bullish Fund 333-150588-04 0001383149 POWERSHARES DB US DOLLAR INDEX BEARISH FUND 333-150588-03 0001371531 DB US Dollar Index Master Trust 333-150588-02 0001383150 DB US DOLLAR INDEX BULLISH MASTER FUND 333-150588-01