PowerShares DB Base Metals Fund (the Fund) is a separate series of PowerShares DB Multi-Sector Commodity Trust (the Trust), a Delaware statutory trust organized in seven separate series, and its subsidiary, DB Base Metals Master Fund (the Master Fund), a separate series of DB Multi-Sector Commodity Master Trust (the Master Trust), a Delaware statutory trust organized in seven separate series, which were formed on August 3, 2006. The Master Fund invests with a view to tracking the changes, whether positive or negative, in the level of the Deutsche Bank Liquid Commodity Index-Optimum Yield Industrial Metals Excess Return (the Index) plus the excess, if any, of the Master Fund�s income from its holdings of United States Treasury Obligations and other credit quality short-term fixed income securities over the expenses of the Fund. DB Commodity Services LLC (DBCS) funded both the Fund and the Master Fund.