Amex Vendor Alert #2008-05

Market Data Fact Sheet - PowerShares Preferred Portfolio (PGX) that is anticipated to begin trading on January 31, 2008

The Amex will begin publishing new index values on January 30, 2008 to support the new PowerShares Preferred Portfolio (PGX) that is anticipated to begin trading on January 31, 2008. Please refer to the attached Fact Sheet for more information.

• PowerShares Preferred Portfolio (PGX)

  Symbol	ETF Cusip	Expense Ratio
  PGX	73936T565	0.50%

**PGX was originally set to launch on November 15, 2007.***