iShares
 

Total Returns as of 12/31/2011
  Total Returns (%) After Tax Returns (%) Market Price
Returns (%)
MUB
Index
MUB Pre- Liquidation
MUB Post- Liquidation
MUB
YTD 10.85 11.22 -- -- 12.95
1 Month 2.07 2.04 -- -- 2.54
3 Months 2.07 2.10 -- -- 2.64
6 Months 5.97 6.13 -- -- 6.70
1 Year 10.85 11.22 10.84 8.32 12.95
3 Years 7.51 8.48 7.50 6.97 6.69
5 Years -- -- -- -- --
10 Years -- -- -- -- --
Since Inception 5.31 5.43 5.30 5.06 5.50
Returns are average annualized total returns, except those for periods of less than one year, which are cumulative.
Annual Returns
  Total Returns (%) Market Price
Returns (%)
MUB
Index
MUB
2011 10.85 11.22 12.95
2010 1.40 2.31 0.21
2009 10.58 12.20 7.30
2008 -0.94 -2.83 1.06
Fees & Expenses
Expense Type
 Amount
Management Fees 0.25%
+
 Acquired Fees & Expenses ‡ 0.00%
=
 Total Annual Fund Operating Expenses 0.25%
The performance quoted represents past performance and does not guarantee future results. Investment return and principal value of an investment will fluctuate so that an investor's shares, when sold, may be worth more or less than the original cost. Current performance may be lower or higher than the performance quoted.

‡ “Acquired Fund Fees and Expenses” reflect the Fund's pro rata share of the indirect fees and expenses incurred by investing in one or more acquired funds, such as mutual funds, business development companies, or other pooled investment vehicles. Acquired Fund Fees and Expenses are reflected in the prices of the acquired funds and thus included in the total returns of the Fund.

Shares of iShares Funds are bought and sold at market price (not NAV) and are not individually redeemed from the Fund. Brokerage commissions will reduce returns.

Index returns are for illustrative purposes only and do not represent actual iShares performance. Index performance returns do not reflect any management fees, transaction costs or expenses. Indexes are unmanaged and one cannot invest directly in an index. Past performance does not guarantee future results.

Total returns for the periods since inception are calculated from the inception date of the fund. "Average annual total returns" represent the average annual change in value of an investment over the period indicated. "Cumulative total returns" represent the total change in value of an investment over the periods indicated.

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor's tax situation and may differ from those shown. The after-tax returns shown are not relevant to investors who hold their fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.

Market returns are based upon the midpoint of the bid/ask spread at 4:00 p.m. eastern time (when NAV is normally determined for most iShares Funds), and do not represent the returns you would receive if you traded shares at other times.

Certain sectors and markets perform exceptionally well based on current market conditions and iShares funds can benefit from that performance. Achieving such exceptional returns involves the risk of volatility and investors should not expect that such results will be repeated.

© 2000-2012

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