What does P/D stand for?

[TABLE OMITTED] Since the redemption date and a dividend payable date are the same for each series of Auction Preferred Shares, no accumulated but unpaid dividends will be included as a component of the redemption price.

The following dates apply to today's distribution declarations: Record Date < December 26, 2008 Ex-Dividend Date < December 23, 2008 Payable Date < December 31, 2008 [TABLE OMITTED] Nuveen Investments provides high quality investment services designed to help secure the long-term goals of institutions and high net worth investors as well as the consultants and financial advisors who serve them.

[TABLE OMITTED] Since the redemption date and a dividend payable date are the same for each series of Auction Preferred Shares, no accumulated but unpaid dividends will be included as a component of the redemption price.

Dates: October 2007 Dividend: Declaration - 9/05/07 Ex-Date - 10/11/07 Record Date - 10/15/07 Payable Date - 11/01/07 November 2007 Dividend: Declaration - 9/05/07 Ex-Date - 11/13/07 Record Date - 11/15/07 Payable Date - 12/03/07 December 2007 Dividend: Declaration - 9/05/07 Ex-Date - 12/12/07 Record Date - 12/14/07 Payable Date - 12/31/07* [TABLE OMITTED] *This is a change from the originally scheduled pay date of January 2, 2008 Two BlackRock municipal trusts declared regular monthly distributions for October and November 2007.

The record date is December 21, 2006 and the payable date will be December 28, 2006.

045600 Declaration - 9/01/06 Ex-Date - 10/12/06 Record Date - 10/16/06 Payable Date - 11/01/06 November: Amount - $0.

031125 Declaration - 9/01/06 Ex-Date - 10/12/06 Record Date - 10/16/06 Payable Date - 11/01/06 November: Amount - $0.

07500 Declaration - 7/03/06 Ex-Date - 7/12/06 Record Date - 7/14/06 Payable Date - 7/31/06 August: Rate - $0.