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| Index Weights |
| As Of: 15-Mar-2010 |
| Aluminium | 17-Nov-2010 / NOV0 | 4.81 |
| Brent Crude | 15-Sep-2010 / OCT0 | 12.26 |
| Copper - Grade A | 16-Mar-2011 / MAR1 | 4.8 |
| Corn | 14-Dec-2010 / DEC0 | 5.24 |
| Gold | 27-Oct-2010 / OCT0 | 8.29 |
| Heating Oil | 28-May-2010 / JUN0 | 12.26 |
| Light Crude | 22-Jun-2010 / JUL0 | 12.43 |
| Natural Gas | 27-Aug-2010 / SEP0 | 4.85 |
| RBOB Gasoline | 29-Oct-2010 / NOV0 | 12.58 |
| Silver | 28-Dec-2010 / DEC0 | 2.02 |
| Soybeans | 12-Nov-2010 / NOV0 | 5.44 |
| Sugar #11 | 30-Jun-2010 / JUL0 | 5.45 |
| Wheat | 14-Jul-2010 / JUL0 | 5.07 |
| Zinc | 19-May-2010 / MAY0 | 4.5 |
Change to Follow the Optimum Yield™ version of the Deutsche Bank Liquid
Commodity IndexTM - Excess Return
On June 1, 2006, the PowerShares DB Commodity Index Tracking Fund ("DBC") began
to seek to track the performance of the Optimum Yield™ ("OY") version of the
Deutsche Bank Liquid Commodity IndexTM - Excess Return ("DBLCI-ER").
The OY version of the DBLCI-ER provides a rules-based formula for replacing an
expiring futures contract with a new futures contract having an expiration date
that generates the highest "implied roll yield."
Please go to https://index.db.com
– Traded Index Products – Commodities – DBLCI for a thorough description of the
Optimum YieldTM contract selection formula.
A patent application concerning the Optimum YieldTM process is
pending at the United States Patent and Trademark Office.
As of June 12, 2006, DBLCIX, the ticker symbol for the intra-day indicative
level of the DBLCI, displays data for the OY version of the DBLCI-ER rather
than the non-OY version of the DBLCI-ER. The historical DBLCI-ER data was
normalized to have a level of 488.6960 on June 8, 2006, the closing level of
the OY version of the DBLCI-ER as of that date.
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| Fund Weights |
| As Of: 15-Mar-2010 |
| Aluminium | 17-Nov-2010 / NOV0 | 4.81 |
| Brent Crude | 15-Sep-2010 / OCT0 | 12.26 |
| Copper - Grade A | 16-Mar-2011 / MAR1 | 4.8 |
| Corn | 14-Dec-2010 / DEC0 | 2.63 |
| Corn | 14-Mar-2011 / MAR1 | 1.7 |
| Gold | 27-Oct-2010 / OCT0 | 8.29 |
| Heating Oil | 28-May-2010 / JUN0 | 12.26 |
| Light Crude | 22-Jun-2010 / JUL0 | 12.43 |
| Milling Wheat | 10-May-2010 / MAY0 | 0.54 |
| Natural Gas | 27-Aug-2010 / SEP0 | 4.85 |
| RBOB Gasoline | 30-Nov-2010 / DEC0 | 0.88 |
| RBOB Gasoline | 29-Oct-2010 / NOV0 | 11.7 |
| SOYBEAN OIL | 14-Dec-2010 / DEC0 | 0.88 |
| Silver | 28-Dec-2010 / DEC0 | 2.02 |
| Soybean Meal | 14-Dec-2010 / DEC0 | 0.93 |
| Soybeans | 14-Jan-2011 / JAN1 | 1.6 |
| Soybeans | 12-Nov-2010 / NOV0 | 2.94 |
| Sugar #11 | 30-Jun-2010 / JUL0 | 5.45 |
| Wheat | 14-Dec-2010 / DEC0 | 0.54 |
| Wheat | 14-Jul-2010 / JUL0 | 1.67 |
| Wheat-Mineapolis Wht | 14-Dec-2010 / DEC0 | 0.56 |
| Wheat-Mineapolis Wht | 22-Jul-2010 / JUL0 | 1.76 |
| Zinc | 19-May-2010 / MAY0 | 4.5 |
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