Basic Fund Data
Fund Provider:	Barclays Global Investors
Asset Class:	Fixed Income
Fund Category:	U.S. Municipal Bond
Ticker:	MUB
Expense Ratio:	0.25%
Fund Category Expense Ratio Average:	0.24%
Options:	No
Fund Inception Date:	09-10-2007
Fund Structure:	Open-Ended
Fund Weighting Restrictions:	Diversified Fund Rules
Fund Tracking Method:	Sampling
Dividend Payment Frequency:
Basic Index Data
Index Name:	S&P National Municipal Bond Index
Index Provider:	Standard & Poor's
No of Index Holdings:	Above 1,500
Explanation of Index Strategy
Security Selection Category:	Passive
Security Selection Method:	Bond Sector
Security Selection Frequency:	Ongoing
Index Weighting Category:	Capitalization
Index Weighting Method:	Market Weighted (bonds)
Index Weighting Frequency:	Monthly

Market Price Return
1-Year:	12.58%
3-Year annualized:
5-Year annualized:
10-Year annualized:
Annual Performance History
2009:	9.33
2008:	-0.98
2007:
2006:
2005:
2004:
2003:
2002:
2001:
2000:
Data as of 10/31/09

Fundamentals
Assets MM:	$1514.2
P/E Ratio:
P/B Ratio:
Median Market Cap:
12-month yield:	3.7%
Data as of 10/31/09

Risk / 3-Year Average
Alpha:	0.53
Beta:	0.11
Standard Deviation:	2.22
Sharpe Ratio:
Data as of 10/31/09

Index Snapshot:

The iShares S&P National Municipal Bond Fund (Ticker: MUB) seeks investment results that correspond generally to the performance, before fees and expenses, of the S&P National Municipal Bond Index and is comprised of municipal bonds from U.S. State, City, or local governments. Munis from Puerto Rico, Guam, and U.S. Virgin Island territories are also included. Bonds must have minimum rating of BBB- by Standard & Poor's, Baa3 by Moody's, or BBB- by Fitch. Each bond is denominated in U.S. Dollars and must have no less than $50 million in outstanding par amount. This index is market value weighted and holdings are updated on the last business day of each month.