| 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. |